22ln450u, 457u

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Printed in Korea P/NO : MFL67651304 (1303-REV00) CHASSIS : LC31A / LD31T MODEL : 22LN45** 22LN45**-Z* CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. LED TV SERVICE MANUAL North/Latin America http://aic.lgservice.com Europe/Africa http://eic.lgservice.com Asia/Oceania http://biz.lgservice.com Internal Use Only

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Page 1: 22LN450U, 457U

Printed in KoreaP/NO : MFL67651304 (1303-REV00)

CHASSIS : LC31A / LD31T

MODEL : 22LN45** 22LN45**-Z*

CAUTIONBEFORE SERVICING THE CHASSIS,READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

LED TVSERVICE MANUAL

North/Latin America http://aic.lgservice.comEurope/Africa http://eic.lgservice.comAsia/Oceania http://biz.lgservice.com

Internal Use Only

Page 2: 22LN450U, 457U

- 2 - LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.Only for training and service purposes

CONTENTS

CONTENTS .............................................................................................. 2

SAFETY PRECAUTIONS ........................................................................ 3

SERVICING PRECAUTIONS ................................................................... 4

SPECIFICATION ...................................................................................... 6

ADJUSTMENT INSTRUCTION ............................................................... 9

TROUBLE SHOOTING .......................................................................... 15

BLOCK DIAGRAM ................................................................................. 19

EXPLODED VIEW .................................................................................. 20

SCHEMATIC CIRCUIT DIAGRAM ..............................................................

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- 3 - LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.Only for training and service purposes

Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in the Schematic Diagram and Exploded View.It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer.

General Guidance

An isolation Transformer should always be used during the servicing of a receiver whose chassis is not isolated from the AC power line. Use a transformer of adequate power rating as this protects the technician from accidents resulting in personal injury from electrical shocks.

It will also protect the receiver and it's components from being damaged by accidental shorts of the circuitry that may be inadvertently introduced during the service operation.

If any fuse (or Fusible Resistor) in this TV receiver is blown, replace it with the specified.

When replacing a high wattage resistor (Oxide Metal Film Resistor, over 1 W), keep the resistor 10 mm away from PCB.

Keep wires away from high voltage or high temperature parts.

Before returning the receiver to the customer,

always perform an AC leakage current check on the exposed metallic parts of the cabinet, such as antennas, terminals, etc., to be sure the set is safe to operate without damage of electrical shock.

Leakage Current Cold Check(Antenna Cold Check)With the instrument AC plug removed from AC source, connect an electrical jumper across the two AC plug prongs. Place the AC switch in the on position, connect one lead of ohm-meter to the AC plug prongs tied together and touch other ohm-meter lead in turn to each exposed metallic parts such as antenna terminals, phone jacks, etc. If the exposed metallic part has a return path to the chassis, the measured resistance should be between 1 MΩ and 5.2 MΩ. When the exposed metal has no return path to the chassis the reading must be infinite.An other abnormality exists that must be corrected before the receiver is returned to the customer.

Leakage Current Hot Check (See below Figure) Plug the AC cord directly into the AC outlet.

Do not use a line Isolation Transformer during this check. Connect 1.5 K / 10 watt resistor in parallel with a 0.15 uF capacitor between a known good earth ground (Water Pipe, Conduit, etc.) and the exposed metallic parts.Measure the AC voltage across the resistor using AC voltmeter with 1000 ohms/volt or more sensitivity.Reverse plug the AC cord into the AC outlet and repeat AC voltage measurements for each exposed metallic part. Any voltage measured must not exceed 0.75 volt RMS which is corresponds to 0.5 mA.In case any measurement is out of the limits specified, there is possibility of shock hazard and the set must be checked and repaired before it is returned to the customer.

Leakage Current Hot Check circuit

IMPORTANT SAFETY NOTICE

SAFETY PRECAUTIONS

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- 4 - LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.Only for training and service purposes

SERVICING PRECAUTIONSCAUTION: Before servicing receivers covered by this service manual and its supplements and addenda, read and follow the SAFETY PRECAUTIONS on page 3 of this publication.NOTE: If unforeseen circumstances create conflict between the following servicing precautions and any of the safety precautions on page 3 of this publication, always follow the safety precau-tions. Remember: Safety First.

General Servicing Precautions1. Always unplug the receiver AC power cord from the AC power

source before;a. Removing or reinstalling any component, circuit board

module or any other receiver assembly.b. Disconnecting or reconnecting any receiver electrical plug

or other electrical connection.c. Connecting a test substitute in parallel with an electrolytic

capacitor in the receiver.CAUTION: A wrong part substitution or incorrect polarity installation of electrolytic capacitors may result in an explo-sion hazard.

2. Test high voltage only by measuring it with an appropriate high voltage meter or other voltage measuring device (DVM, FETVOM, etc) equipped with a suitable high voltage probe.Do not test high voltage by "drawing an arc".

3. Do not spray chemicals on or near this receiver or any of its assemblies.

4. Unless specified otherwise in this service manual, clean electrical contacts only by applying the following mixture to the contacts with a pipe cleaner, cotton-tipped stick or comparable non-abrasive applicator; 10 % (by volume) Acetone and 90 % (by volume) isopropyl alcohol (90 % - 99 % strength)CAUTION: This is a flammable mixture.Unless specified otherwise in this service manual, lubrication of contacts in not required.

5. Do not defeat any plug/socket B+ voltage interlocks with which receivers covered by this service manual might be equipped.

6. Do not apply AC power to this instrument and/or any of its electrical assemblies unless all solid-state device heat sinks are correctly installed.

7. Always connect the test receiver ground lead to the receiver chassis ground before connecting the test receiver positive lead.Always remove the test receiver ground lead last.

8. Use with this receiver only the test fixtures specified in this service manual.CAUTION: Do not connect the test fixture ground strap to any heat sink in this receiver.

Electrostatically Sensitive (ES) DevicesSome semiconductor (solid-state) devices can be damaged eas-ily by static electricity. Such components commonly are called Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistors and semiconductor “chip” components. The following techniques should be used to help reduce the incidence of component dam-age caused by static by static electricity.1. Immediately before handling any semiconductor component or

semiconductor-equipped assembly, drain off any electrostatic charge on your body by touching a known earth ground. Alter-natively, obtain and wear a commercially available discharg-ing wrist strap device, which should be removed to prevent potential shock reasons prior to applying power to the unit under test.

2. After removing an electrical assembly equipped with ES devices, place the assembly on a conductive surface such as aluminum foil, to prevent electrostatic charge buildup or expo-sure of the assembly.

3. Use only a grounded-tip soldering iron to solder or unsolder ES devices.

4. Use only an anti-static type solder removal device. Some sol-der removal devices not classified as “anti-static” can generate electrical charges sufficient to damage ES devices.

5. Do not use freon-propelled chemicals. These can generate electrical charges sufficient to damage ES devices.

6. Do not remove a replacement ES device from its protective package until immediately before you are ready to install it. (Most replacement ES devices are packaged with leads elec-trically shorted together by conductive foam, aluminum foil or comparable conductive material).

7. Immediately before removing the protective material from the leads of a replacement ES device, touch the protective mate-rial to the chassis or circuit assembly into which the device will be installed.CAUTION: Be sure no power is applied to the chassis or cir-cuit, and observe all other safety precautions.

8. Minimize bodily motions when handling unpackaged replace-ment ES devices. (Otherwise harmless motion such as the brushing together of your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity suf-ficient to damage an ES device.)

General Soldering Guidelines1. Use a grounded-tip, low-wattage soldering iron and appropri-

ate tip size and shape that will maintain tip temperature within the range or 500 °F to 600 °F.

2. Use an appropriate gauge of RMA resin-core solder composed of 60 parts tin/40 parts lead.

3. Keep the soldering iron tip clean and well tinned.4. Thoroughly clean the surfaces to be soldered. Use a mall wire-

bristle (0.5 inch, or 1.25 cm) brush with a metal handle.Do not use freon-propelled spray-on cleaners.

5. Use the following unsoldering techniquea. Allow the soldering iron tip to reach normal temperature.

(500 °F to 600 °F)b. Heat the component lead until the solder melts.c. Quickly draw the melted solder with an anti-static, suction-

type solder removal device or with solder braid.CAUTION: Work quickly to avoid overheating the circuit board printed foil.

6. Use the following soldering technique.a. Allow the soldering iron tip to reach a normal temperature

(500 °F to 600 °F)b. First, hold the soldering iron tip and solder the strand

against the component lead until the solder melts.c. Quickly move the soldering iron tip to the junction of the

component lead and the printed circuit foil, and hold it there only until the solder flows onto and around both the compo-nent lead and the foil.CAUTION: Work quickly to avoid overheating the circuit board printed foil.

d. Closely inspect the solder area and remove any excess or splashed solder with a small wire-bristle brush.

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- 5 - LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.Only for training and service purposes

IC Remove/ReplacementSome chassis circuit boards have slotted holes (oblong) through which the IC leads are inserted and then bent flat against the cir-cuit foil. When holes are the slotted type, the following technique should be used to remove and replace the IC. When working with boards using the familiar round hole, use the standard technique as outlined in paragraphs 5 and 6 above.

Removal1. Desolder and straighten each IC lead in one operation by

gently prying up on the lead with the soldering iron tip as the solder melts.

2. Draw away the melted solder with an anti-static suction-type solder removal device (or with solder braid) before removing the IC.

Replacement1. Carefully insert the replacement IC in the circuit board.2. Carefully bend each IC lead against the circuit foil pad and

solder it.3. Clean the soldered areas with a small wire-bristle brush.

(It is not necessary to reapply acrylic coating to the areas).

"Small-Signal" Discrete TransistorRemoval/Replacement1. Remove the defective transistor by clipping its leads as close

as possible to the component body.2. Bend into a "U" shape the end of each of three leads remain-

ing on the circuit board.3. Bend into a "U" shape the replacement transistor leads.4. Connect the replacement transistor leads to the corresponding

leads extending from the circuit board and crimp the "U" with long nose pliers to insure metal to metal contact then solder each connection.

Power Output, Transistor DeviceRemoval/Replacement1. Heat and remove all solder from around the transistor leads.2. Remove the heat sink mounting screw (if so equipped).3. Carefully remove the transistor from the heat sink of the circuit

board.4. Insert new transistor in the circuit board.5. Solder each transistor lead, and clip off excess lead.6. Replace heat sink.

Diode Removal/Replacement1. Remove defective diode by clipping its leads as close as pos-

sible to diode body.2. Bend the two remaining leads perpendicular y to the circuit

board.3. Observing diode polarity, wrap each lead of the new diode

around the corresponding lead on the circuit board.4. Securely crimp each connection and solder it.5. Inspect (on the circuit board copper side) the solder joints of

the two "original" leads. If they are not shiny, reheat them and if necessary, apply additional solder.

Fuse and Conventional ResistorRemoval/Replacement1. Clip each fuse or resistor lead at top of the circuit board hollow

stake.2. Securely crimp the leads of replacement component around

notch at stake top.

3. Solder the connections.CAUTION: Maintain original spacing between the replaced component and adjacent components and the circuit board to prevent excessive component temperatures.

Circuit Board Foil RepairExcessive heat applied to the copper foil of any printed circuit board will weaken the adhesive that bonds the foil to the circuit board causing the foil to separate from or "lift-off" the board. The following guidelines and procedures should be followed when-ever this condition is encountered.

At IC ConnectionsTo repair a defective copper pattern at IC connections use the following procedure to install a jumper wire on the copper pattern side of the circuit board. (Use this technique only on IC connec-tions).

1. Carefully remove the damaged copper pattern with a sharp knife. (Remove only as much copper as absolutely necessary).

2. carefully scratch away the solder resist and acrylic coating (if used) from the end of the remaining copper pattern.

3. Bend a small "U" in one end of a small gauge jumper wire and carefully crimp it around the IC pin. Solder the IC connection.

4. Route the jumper wire along the path of the out-away copper pattern and let it overlap the previously scraped end of the good copper pattern. Solder the overlapped area and clip off any excess jumper wire.

At Other ConnectionsUse the following technique to repair the defective copper pattern at connections other than IC Pins. This technique involves the installation of a jumper wire on the component side of the circuit board.

1. Remove the defective copper pattern with a sharp knife.Remove at least 1/4 inch of copper, to ensure that a hazardous condition will not exist if the jumper wire opens.

2. Trace along the copper pattern from both sides of the pattern break and locate the nearest component that is directly con-nected to the affected copper pattern.

3. Connect insulated 20-gauge jumper wire from the lead of the nearest component on one side of the pattern break to the lead of the nearest component on the other side.Carefully crimp and solder the connections.CAUTION: Be sure the insulated jumper wire is dressed so the it does not touch components or sharp edges.

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- 6 - LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.Only for training and service purposes

SPECIFICATIONNOTE : Specifications and others are subject to change without notice for improvement.

1. Application rangeThis specification is applied to the LED TV used LC31A / LD31T chassis.

2. Requirement for TestEach part is tested as below without special appointment.

1) Temperature: 25 °C ± 5 °C(77 °F ± 9 °F), CST: 40 °C ± 5 °C2) Relative Humidity: 65 % ± 10 %3) Power Voltage

: Standard input voltage (AC 100-240 V~, 50/60 Hz)* Standard Voltage of each products is marked by models.

4) Specification and performance of each parts are followed each drawing and specification by part number in accordance with BOM.

5) The receiver must be operated for about 5 minutes prior to the adjustment.

3. Test method1) Performance: LGE TV test method followed 2) Demanded other specification

- Safety : CE, IEC specification- EMC : CE, IEC

4. Model General SpecificationNo. Item Specification Remarks

1 Market EU/CIS(PAL Market-37 Countries)

DTV & Analog (Total 37 countries)DTV (MPEG2/4, DVB-T) :37 countriesUK/Italy/Germany/France/Spain/Sweden/Finland/Netherlands/Belgium/Luxemburg/ Greece/Denmark/Czech/Austria/Hungary /Swiss/Croatia/Turkey/Norway/Slovenia/Poland/Ukraine/Portu-gal/Ireland/Morocco/Latvia/Estonia/Lithania/Rumania/Bulgaria/Russia/SlovakiaBosnia/Serbia/Albania/Kazakhstan/Belarus*4 Country, Nordic option(EU model only) - Denmark , Finland, Norway, Sweden

DTV (MPEG2/4, DVB-T2): 8 countriesUK/Denmark/Sweden/Finland/Norway/Ireland/Ukraine/Kaza-khstan

DTV (MPEG2/4, DVB-C): 37 countriesUK/Italy/Germany/France/Spain/Sweden/Finland/Netherlands/Belgium/Luxemburg/ Greece/Denmark/Czech/Austria /Hun-gary/Swiss/Croatia/Turkey/Norway/Slovenia/Poland/Ukraine/Portugal/Ireland/Morocco/Latvia/Estonia/Lithania/Rumania/Bulgaria/Russia/Slovakia/Bosnia/Serbia/Albania/Kazakhstan/Belarus

DTV (MPEG2/4,DVB-S): 29 countriesItaly/Germany/France/Spain/Netherlands/ Belgium/Luxemburg/Greece/ Czech/Austria /Hungary/Swiss/Croatia/Turkey/Slov-enia/Poland/Portugal/ Morocco/Latvia/Estonia/Lithuania/Ruma-nia/Bulgaria/Russia/SlovakiaBosnia/Serbia/Albania/ Belarus

Supported satellite : 22 satellitesHISPASAT 1C/1D, ATLANTIC BIRD 2, NILESAT 101/102, ATLANTIC BIRD 3, AMOS 2/3, THOR 5/6, IRIUS 4, EUTEL-SAT-W3A, EUROBIRD 9A, EUTELSAT-W2A, HOTBIRD 6/8/9, EUTELSAT-SESAT, ASTRA 1L/H/M/KR, ASTRA 3A/3B, BADR 4/6, ASTRA 2D, EUROBIRD 3, EUTELSAT-W7, HELLASSAT 2, EXPRESS AM1, TURKSAT 2A/3A, INTERSAT10

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- 7 - LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.Only for training and service purposes

No. Item Specification Remarks

2 Broadcasting system

Analogue TV1) PAL-BG2) PAL-DK3) PAL-I/I’4) SECAM-BG5) SECAM-DK6) SECAM L/L’

Digital TV1) DVB-T/C/T2

Satellite Digital TV1) DVB-T/C/S/S2

Analogue TV : (RF) VHF: E2 to E12, UHF : E21 to E69(CATV) S1 to S20, HYPER: S21 to S47

Digital TV : VHF, UHF

Satellite TV : VHF, UHF,C-Band, Ku-Band

* DVB-T2 ( T2 model only support )* DVB-S/S2 (Satellite model only support )

3 Receiving system Analog : Upper HeterodyneDigital : COFDM, QAM

► DVB-T- Guard Interval(Bitrate_Mbit/s)B : 1/4, 1/8, 1/16, 1/32- Modulation : Code RateQPSK : 1/2, 2/3, 3/4, 5/6, 7/816-QAM : 1/2, 2/3, 3/4, 5/6, 7/864-QAM : 1/2, 2/3, 3/4, 5/6, 7/8► DVB-T2- Guard Interval(Bitrate_Mbit/s)1/4, 1/8, 1/16, 1/32, 1/128, 19/128, 19/256,- Modulation : Code RateQPSK : 1/2, 2/5, 2/3, 3/4, 5/616-QAM : 1/2, 2/5, 2/3, 3/4, 5/664-QAM : 1/2, 2/5, 2/3, 3/4, 5/6256-QAM : 1/2, 2/5, 2/3, 3/4, 5/6► DVB-C- Symbolrate : 4.0Msymbols/s to 7.2Msymbols/s- Modulation : 16QAM, 64-QAM, 128-QAM and 256-QAM► DVB-S/S2- symbolrateDVB-S2 (8PSK / QPSK) : 2 ~ 45 Msymbol/sDVB-S (QPSK) : 2 ~ 45 Msymbol/s- viterbiDVB-S mode : 1/2, 2/3, 3/4, 5/6, 7/8DVB-S2 mode : 1/2, 2/3, 3/4, 3/5, 4/5, 5/6, 8/9, 9/10

4 Scart Jack (1EA) PAL, SECAM Scart 1 Jack is Full scart and support RF-OUT(analog).5 Component Input (1EA) Y/Pb/Pr

6 CVBS Input (1EA) PAL, SECAM, NTSC 4 System(Rear) : PAL, SECAM, NTSC, PAL60CVBS Video input is used by common port with Component.

7 RGB Input RGB-PC Analog(D-SUB 15PIN)

8 HDMI Input (1EA) HDMI Rear1EA / HDMI version 1.4/ support PC Support HDCP/HDMI : MHL Support

9 Audio Input (3EA)RGB/DVI AudioComponent & CVBSSCART

L/R InputCVBS Audio input is used by common port with Component.

10 Headphone out (1EA) Antenna, AV, Component, RGB, HDMI Side 1EA11 USB (1EA) Picture, Music, Movie, SVC Software Update + Picture + Music + Movie

12 DVB

DVB-TCI : UK, Finland, Denmark, Norway, Sweden, Russia, Spain,

Ireland, Luxemburg, Belgium, NetherlandCI+ : France(Canal+), Italy(DGTVi)

DVB-CCI : Switzerland, Austria, Slovenia, Hungary, BulgariaCI+: Switzerland(UPC,Cablecom), Netherland(Ziggo),

Germany(KDG,CWB), Finland(labwise)13 Local Key (Touch)14 LAN JACK Modular Only UK model

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- 8 - LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.Only for training and service purposes

5. Timing5.1. RGB/HDMI (PC)

No.Specification

RemarkResolution H-freq(kHz) V-freq.(Hz) Pixel clock(MHz)

1. 720*400 31.468 70.080 28.321

2. 640*480 31.469 59.940 25.175

3. 640*480 37.500 75.000 31.500

4. 800*600 37.879 60.317 40.000

5. 800*600 46.875 75.000 49.500

6. 1024*768 48.363 60.004 65.000

7. 1024*768 60.023 75.029 78.750

8. 1280*720 45.000 60.000 74.250

9. 1280*800 49.702 59.810 83.500

10. 1366*768 47.717 59.79 85.5

5.2. HDMI (DTV)

No.Specification

RemarkResolution H-freq(kHz) V-freq.(Hz) Pixel clock(MHz)

1. 720*480 31.469 31.5000

59.940 60.000

27.00027.030 SDTV 480P

2. 720*576 31.250 50.000 27.864 SDTV 576P

3. 1280*720 37.500 50.000 74.250 HDTV 720P

4. 1280*720 44.96045.000

59.940 60.000

74.17074.250 HDTV 720P

5. 1920*1080 33.72033.750

59.940 60.000

74.17074.250 HDTV 1080I

6. 1920*1080 28.125 50.000 74.250 HDTV 1080I

7. 1920*1080 27.000 24.000 74.250 HDTV 1080P

8. 1920*1080 33.750 30.000 74.250 HDTV 1080P

9. 1920*1080 56.250 50.000 148.500 HDTV 1080P

10. 1920*1080 67.43067.500

59.94060.000

148.350148.500 HDTV 1080P

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- 9 - LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.Only for training and service purposes

5.3. Component

No.Specification

RemarkResolution H-freq(kHz) V-freq.(Hz) Pixel clock(MHz)

1. 720*480 15.730 59.940 13.500 SDTV, DVD 480I(525I)

2. 720*480 15.750 60.000 13.514 SDTV, DVD 480I(525I)

3. 720*576 15.625 50.000 13.500 SDTV, DVD 576I(625I) 50Hz

4. 720*480 31.470 59.940 27.000 SDTV 480P

5. 720*480 31.500 60.000 27.027 SDTV 480P

6. 720*576 31.250 50.000 27.000 SDTV 576P 50Hz

7. 1280*720 44.960 59.940 74.176 HDTV 720P

8. 1280*720 45.000 60.000 74.250 HDTV 720P

9. 1280*720 37.500 50.000 74.250 HDTV 720P 50Hz

10. 1920*1080 33.720 59.940 74.176 HDTV 1080I

11. 1920*1080 33.750 60.000 74.250 HDTV 1080I

12. 1920*1080 28.125 50.000 74.250 HDTV 1080I 50Hz,

13. 1920*1080 56.250 50.000 148.500 HDTV 1080P

14. 1920*1080 67.432 59.940 148.350 HDTV 1080P

15. 1920*1080 67.500 60.000 148.500 HDTV 1080P

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- 10 - LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.Only for training and service purposes

ADJUSTMENT INSTRUCTION1. Application Range

This document is applied to LC31A / LD31T chassis LED TV which is manufactured in TV(or Monitor) Factory or is produced on the basis of this data.

2. Designation1) The adjustment is according to the order which is

designated and which must be followed, according to the plan which can be changed only on agreeing.

2) Power adjustment : Free Voltage.3) Magnetic Field Condition: Nil.4) Input signal Unit: Product Specification Standard.5) Reserve after operation: Above 5 Minutes (Heat Run)

Temperature : at 25 °C ± 5 °C Relative humidity : 65 % ± 10 % Input voltage : 110-240 V, 50/60 Hz

6) Adjustment equipments: Color Analyzer(CA-210 or CA-110), DDC Adjustment Jig equipment, Service remote control.

7) Push The "IN STOP KEY" – For memory initialization

3. Main PCB check process* APC - After Manual-Insult, executing APC

* Boot file Download1) Execute ISP program “Mstar ISP Utility” and then click

“Config” tab.2) Set as below, and then click “Auto Detect” and check “OK”

message. If display “Error”, Check connect computer, jig, and set.

3) Click “Connect” tab. If display “Can’t”, Check connect computer, jig, and set.

4) Click “Read” tab, and then load download file(XXXX.bin) by clicking “Read”.

5) Click “Auto” tab and set as below6) Click “Run”.7) After downloading, check “OK” message.

* USB DOWNLOAD(*.epk file download)1) Make New folder named “LG_DTV” and put ISP file(*.epk)

in the folder.2) Put the USB Stick to the USB socket.3) Automatically detecting update file in USB Stick

- If your downloaded program version in USB Stick is Low, it didn’t work.

- But your downloaded version is High, USB data is automatically detecting

4) Show the message "Copying files from memory"5) Updating is starting.

6) Updating Completed, The Multi-vision will restart automatically.

7) If your TV is turned on, check your updated version and Tool option. (explain the Tool option, next stage)

* If downloading version is more high than your TV have, TV can lost all channel data. In this case, you have to channel recover. if all channel data is cleared, you didn’t have a DTV/ATV test on production line.

* After downloading, have to adjust TOOL OPTION again.1. Push "ADJ" key in service remote control.2. Select "Tool Option 1" and push "OK" key.3. Punch in the number. (Each model has their number.)4. Completed selecting Tool option.

Case1 : Software version up1. After downloading S/W by USB , TV set will reboot

automatically.2. Push “In-stop” key.3. Push “Power on” key.4. Function inspection5. After function inspection, Push “In-stop” key.

Case2 : Function check at the assembly line1. When TV set is entering on the assembly line, Push

“In-stop” key at first.2. Push “Power on” key for turning it on.

→ If you push “Power on” key, TV set will recover channel information by itself.

3. After function inspection, Push “In-stop” key.

(1) (3)

(2) OK

Please Check the Speed : Use the speed under 200KHz.

(4)

filexxx.bin

(6)

(5)

(7) ……….OK

(5)

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3.1. EDID Process3.1.1. EDID download

(1) Press "Power only" key of service remote control.(2) Press the ADJ KEY on R/C and enter EZ ADJUST(3) Enter EDID D/L mode by pushing "►" key at "11. EDID D/L".(4) EDID download is executed automatically.(5) Press EXIT key on service remote control.

<Caution>- Never connect HDMI & D-sub Cable when download EDID.- Download HDMI

* Edid data and Model option download (USB)

3.1.2. RGB EDID Data(1) All models without 29MN33D(Product ID: 22984/HEXA: 59C8)

*(week), **(year), ***(Check sum) : Adjustable Data: Screen size, : Color Characteristics

3.1.3. HDMI EDID Data(1) All models(Product ID: 22986/HEXA:59CA)

*(week), **(year), ***(Check sum) : Adjustable Data **** (physical address): (HDMI : 10), ****(Check sum): (HDMI : CE)

: Screen size, : Color Characteristics

3.2. Function Check3.2.1. Check display and sound

*Check Input and Signal items. (cf. work instructions) 1) TV2) AV (SCART/CVBS)3) COMPONENT (480i)4) RGB(PC : 1366 x 768 @ 60Hz)5) HDMI(PC : 1366 x 768 @ 60Hz)6) PC Audio In * Display and Sound check is executed by Remote control

<Caution> Not to push the INSTOP key after completion if the function inspection.

3.3. CI+ key writing process. (Device CN)3.3.1. Communication Port Connection

Connection : PCBA (USB Port) → USB to Serial Adapter (UC-232A) → RS-232C cable → PC(RS-232C port) * Caution: LD31Q/LD31A chassis support only UC-232A

driver. (only use this one)

3.3.2. CI+ Key Download(1) Set CI+ Key path Directory at Start Mac & CI+ Download

Programme.(2) Set COM 1,2,3,4 / 115200(Baudrate) (1)/(2)(3) Click port connection button(1)(4) Start CI+ Key Download, Push the button(4)(5) Check OK or NG

(6) After completing download, CI + key values are increase by one automatically. To write CI+ key next SET, click CI+ key writing button(5) directly.

(7) Check whether the key was downloaded or not at ‘In Start’ menu. (Refer to below).

NO Item CMD 1 CMD 2 Data 0Enter download

MODEDownload ‘Mode In’

A A 0 0 When transfer the ‘Mode In’, Carry the command.

EDID data and Model option

download

Download A E 00 10 Automatically download(The use of a internal Data)

EZ ADJUST0. Tool Option1

1. Tool Option2

2. Tool Option3

3. Tool Option4

4. Tool Option5

5. Tool Option6

6. Country Group

7. Area Option

8. ADC Calibration

9. White Balance

10. 10 Point WB

11. Test Pattern

12. EDID D/L ►

14. Touch Sensitivity Setting

15. Ext. Input Adjust

16. SPK Lipsync Adjust

17.SPDIF Lipsync Adjust

EDID D/L HDMI OK

RGB OK

Start Reset

Page 12: 22LN450U, 457U

- 12 - LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.Only for training and service purposes

=> Check the Download to CI+ Key value in LG set.(1) Check the method of CI+ Key value

1) Check the method on Instart menu2) Check the method of RS232C Command

a. Into the main ass’y mode(RS232: aa 00 00)

b. Check the key download for transmitted command (RS232: ci 00 10)

c. Result value- Normally status for download : OKx- Abnormally status for download : NGx

(2) Check the method of CI+ key value(RS232)1) Into the main ass’y mode(RS232: aa 00 00)

2) Check the mothed of CI+ key by command (RS232: ci 00 20)

3) Result valuei 01 OK 1d1852d21c1ed5dcx

4. Total Assembly line process4.1. Tool option & ADC Check

(1) Press "Power on" key of service remote control.(2) Connect USB Port → USB to Serial Adapter (UC-232A) →

RS-232C cable → PC(RS-232C port)(3) Check the 'Tool Option'(Refer to the BOM Comments or

Adjustment spec) (4) Check the ‘ADC’ is ok.

4.2. Model name & Serial number download4.2.1. Model name & Serial number D/L

1) Press "Power on" key of service remote control.2) Connect RS232 Signal Cable to RS-232 Jack.3) Write Model Name & Serial Number by use RS-232.4) Must check the serial number at the Diagnostics of SET UP

menu. (Refer to below.)

4.2.2. Method & notice(1) Model Name & Serial Number D/L is using of scan equipment.(2) Setting of scan equipment operated by Manufacturing

Technology Group.(3) Serial number D/L must be conformed when it is produced

in production line, because serial number D/L is mandatory by D-book 4.0.

*Manual Download (Model Name and Serial Number)If the TV set is downloaded By OTA or Service man, Sometimes model name or serial number is initialized. (Not always) There is impossible to download by bar code scan, so It need Manual download.1) Press the 'Instart' key of ADJ remote control.2) Go to the menu '6.Model Number D/L' like below photo.3) Input the Factory model name(ex 24LN4500) or Serial

number like photo.

4) Check the model name Instart menu → Factory name displayed (ex 24LN4500)

5) Check the Diagnostics (DTV country only) → Buyer model displayed (ex 24LN4500)

CMD 1 CMD 2 Data 0A A 0 0

CMD 1 CMD 2 Data 0C I 1 0

CMD 1 CMD 2 Data 0A A 0 0

CMD 1 CMD 2 Data 0C I 2 0

CI+ Key Value

Page 13: 22LN450U, 457U

- 13 - LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.Only for training and service purposes

4.3. Function Check4.3.1. Check display and sound

■ Check Input and Signal items. (cf. work instructions) 1) TV2) AV (SCART/CVBS)3) COMPONENT (480i)4) RGB(PC : 1366 x 768 @ 60Hz)5) HDMI(PC : 1366 x 768 @ 60Hz)6) PC Audio In * Display and Sound check is executed by Remote control* Caution : Not to push the INSTOP KEY after completion if

the function inspection.

4.3.2. PCMCIA CARD CheckYou must adjust DTV 29 Channel and insert PCMCIA CARD to socket.- If PCMCIA CARD works normally, video signals will appear

on screen. But it works abnormally, "No CA module" will appear on screen.

* Caution: Set up "RF mode" before launching products.

4.3.3. PIP Check(1) Press “Power on” key of service remote control.(2) Input RGB & TV(ATV or DTV) signal.(3) Set Input mode to RGB.(4) Press ‘PIP” key of ADJ remote control(5) Check TV Video & Audio signal of Sub picture.

4.3.4 HDMI MHL Function Inspection(HDMI2 Port only)(1) Insert HDMI cable for MHL function JIG connected to

HDMI2 port of the SET.(2) Check that LED of JIG is green light and check that set

screen is correctly worked.(3) If NG situation or other HDMI jack connection, LED of JIG

is red light and screen is not displayed.

4.4. White balance adjustment - Equipment

(1) Color Analyzer: CA-210 (LED Module : CH 14)(2) Adj. Computer(During auto adj., RS-232C protocol is

needed)(3) Adjust Remote control

RGB Gains are fixed data for each model.Insert RS-232C Jack which is connected with PC for White Balance or equivalent device.→ Total Assembly line should be check whether the color

coordinate(x,y) data refer to below table were meet or not.- Cool Panel

* Note : x,y coordinates are drifted about 0.007 after 30 mins heat-run. So checking color coordinate within 5-min at total assembly line, consider x,y coordinates might be up to 0.007 than x,y target of each color temperature.

* Note : Manual W/B process using adjusts Remote control.1) After enter Service Mode by pushing "ADJ" key,2) Enter "White Balance" by pushing "►" key at "White

Balance".

* When doing Adjustment, Please make circumstance as below.

Color Temperature

Cool 13,000 K X=0.276 (±0.03)Y=0.275 (±0.03)

<Test Signal>Inner pattern(204gray,80IRE)

Medium 9,300 K X=0.290 (±0.03)Y=0.298 (±0.03)

Warm 6,500 K X=0.318 (±0.03)Y=0.334 (±0.03)

Luminance(cd/m²)

Cool Min : 80 K Typ : 110 <Test Signal>Inner pattern(204gray,80IRE)

Medium Min : 80 K Typ : 110Warm Min : 70 K Typ : 110

EZ ADJUST

0. Tool Option1

1. Tool Option2

2. Tool Option3

3. Tool Option4

4. Tool Option5

5. Tool Option6

6. Country Group

7. Area Option

8. ADC Calibration

9. White Balance

10. 10 Point WB

11. Test Pattern

12 EDID D/L

13. Sub B/C

14. Touch Sensitivity Setting

15. Ext. Input Adjust

16. SPK Lipsync Adjust

17.SPDIF Lipsync Adjust

Whit Balance

Color Temp. ◄ ►

R-Gain

G-Gain

B-Gain

R-Cut

G-Cut

B-Cut

Test-Pattern

Backlight

Reset To Set

Cool

100

104

192

64

64

64

ON

100

Page 14: 22LN450U, 457U

- 14 - LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.Only for training and service purposes

4.5. DPM Operation check■ Measurement Condition: 100~240V@ 50/60Hz(1) Set Input to RGB-PC and connect D-sub cable to set -

RGB Mode. Set Input to HDMI(with Input Label set to PC) and connect HDMI cable to set - HDMI Mode

(2) Cut off H sync or V sync of signal.(3) Check DPM operation refer to the below table.

■ HDMI DPM Operating condition- Input Label: HDMI (PC&DVI Mode)

4.6. Model name & SW version & Adjust check* Press the ‘Instart’ key of ADJ remote control.

4.6.1. Model Name& SW Version Check1) Check ‘Model Name’. 2) Check ‘S/W Version’ (Refer to the IC Ver. in the BOM)

4.6.2. Adjust Check1) Check ‘Country Group’2) Check ‘Area Option’3) Check ‘Tool Option’ (Refer to the BOM Comments) 4) Check ‘Adjust ADC[Comp&RGB]’ is OK.5) Check ‘EDID[RGB&HDMI]’ is OK.* After check all, Press the 'EXIT' key of ADJ remote control to

go out SVC menu.

4.7. Outgoing condition Configuration* After all function test., press IN-STOP key by SVC Remote

control. And make Outgoing Condition.

Operating Condition Sync(H/V) Video LED(SET) Wattage(W)

Power S/W On Sleep mode - RGB, HDMI Off/Off Off Amber 1

MHL Cable HDMI & HDMI to DVI Cable DPM X O

Page 15: 22LN450U, 457U

- 15 - LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.Only for training and service purposes

TROUBLE SHOOTING1. No Power

Check C820 AllVoltage Level (19V)

Check Power connectorOK ?

Replace AdapterN N

Check IC802 outputVoltage Level (12V)

Replace IC802 &Recheck

N

Check IC809 OutputVoltage Level (3.3V_ST) Replace IC809

N

Y

Check IC810 OutputVoltage Level (2.5V) Replace IC810

N

Y

Y

Y

Y

Check IC807 OutputVoltage Level (1.5V) Replace IC807

N

Y

Check IC806 OutputVoltage Level (1.15V) Replace IC806

N

Check X201 Clock24MHz

Replace X201N

Replace IC100 Flash Memory

Y

Page 16: 22LN450U, 457U

- 16 - LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.Only for training and service purposes

2. No Picture

Module Back Light On ?

Check WLED_ENABLE highR131

Check IC101Replace Main Scaler IC

N N

Check Panel clockP601(#9,10)

Check IC101Repair Main B/D

N

Check Panel powerP601(#27,28,29,30) 12V

IC804Output 12VReplace IC804

N

Y

Replace T-conBoard or module

Check FFC Cable for damage or open conductors. Replace Cable

N

Y

Y

Y

Check LED Driver output(LED Driver B’d P1101

#1,2,3,4,9,10,11,12)

Check LED Driver IC1100 Replace LED Driver IC

N

Y

3. No Video - Digital TV

Check RF Cable

Check Tuner(TU2603)Data, CLK, SYN, VAL

Replace Tuner(TU2603)Recheck

Y

N

1. Check Tuner(TU2603 #5) Power (3.3V)2. Check IC803 Output voltage(3.3V)

Replace IC803

Y

N

Check Tuner(TU2602) I2C SignalSCL(R3735), SDA(R3736)

Check IC101

Y

N

1. Check Tuner(TU2602 #7) Power (1.8V)2. Check IC805 Output voltage(1.8V)

Replace IC805

Y

N

Page 17: 22LN450U, 457U

- 17 - LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.Only for training and service purposes

4. No Video - Component

Check input signal formatIs it supported?

Check signalR239,R237,R241C220,C218,C222

Replace R239,R237,R241C220,C218,C222

Y

N

Check JK2800Replace JK2800 or

Check Device

Y

N

Y

IC101 has problem

Y

Check Component Cable

Wave form of C220 Wave form of C218 Wave form of C222

Wave form of Comp Y Wave form of Comp Pb Wave form of Comp Pr

5. No Video - RGB

Check input signal formatIs it supported?

Check Hsync, VsyncR4024, R4025 Replace R4024, R4025

Check signal RGBR228,R230,R232C204,C206,C208

N

Check JK400Replace JK400 or Check Device

Y

N

Y

Replace R228,R230,R232C204,C206,C208

N

IC101 has problem

Y

Check RGB Cable

Wave form of R4025(Vsync) Wave form of R4024(Hsync)

Wave form of R230/C206Wave form of R228/C204 Wave form of R232/C208

Y

Y

Page 18: 22LN450U, 457U

- 18 - LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.Only for training and service purposes

6. No Video - HDMICheck input signal format

Is it supported?

Y

Check JK500,501 for proper connection or damage

Replace connector

Y

N

Y

Check HDMI Cable for damage or open connector

Check I2C Signal (JK500,501)(#15, #16) Re download EDID data

Y

N

Check HDCP Key (IC101) Replace Scaler(IC101)N

7. No Audio

Make sure you can’t hear any audio and Device support the audio signal normally.

Check Speaker and its wire connection (P700)

and the resistance

Check Signal from IC700L700,L701, L706, L709

Y

Replace IC700N

Check R4045 Voltage Level (3.3V)

Y

Replace IC807(3.3V)N

Y

Check Signal from IC101SDA/SCL

(R703/R214, R707/R213)

Y

Replace IC101N

Replace connector or SpeakerN

Page 19: 22LN450U, 457U

- 19 - LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.Only for training and service purposes

LGE2

121-

MS1

0 (M

SD80

4KK

X)

Mst

ar M

1(L1

3)

CO

MP

ON

EN

T

RS-

232C

[Opt

ion

: Onl

y ho

tel m

odel

]

RG

B

MAX

3232

CD

R

DSU

B_R

/G/B

/H/V

Audi

o IN

HP

L &

R o

ut

CO

MP

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Pb

,Pr

CO

MP

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R_I

N

USB

(Jp

eg,M

P3,

DVI

X)

AP21

91D

SG

LGIT

HAL

F l N

IM(D

VB T

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SCAR

T (F

ull)

PC

MC

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lot

FE_T

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A&SC

L

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74LV

C54

1ABu

ffer

IC50

2

FE_T

S_C

LKFE

_TS_

VAL

Err

orFE

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CFE

_TS_

DAT

A

Buf

fer_

FE_T

S_C

LKB

uffe

r_FE

_TS_

VAL

Err

orB

uffe

r_FE

_TS_

SYN

CB

uffe

r_FE

_TS_

DAT

A[0]

DD

R3

SDR

AM2G

B

DD

R3

SDR

AM(1

GB

)N

AND

Fla

sh

1GB

74LC

X244

Buf

fer

IC50

1

CI_

CLK

CI_

VIAL

Err

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CI_

DAT

A[0~

7]

CI A

DD

R[0

~7]

PC

M_D

ATA

[0~7

]

PC

M_A

[0~7

]

CI_

ADD

R[0

~14]

RE

GC

I_O

EC

I_IO

RD

CI_

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RC

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M_A

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Flas

h

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S& S

cart

RG

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TV L

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Sou

nd

F_R

BP

F-O

EP

F_C

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SPI_

CK

SPI_

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SPI_

CS

SPI_

DO

DD

R2

Dat

a[0:

15]

DD

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Addr

ess[

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DD

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15]

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: TD

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501D

(Hal

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)-A

TSC

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SS-H

501F

(Hal

f NIM

)-I

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: TD

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(Ful

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AMP

SC

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S

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MI

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Opt

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BLOCK DIAGRAM

Page 20: 22LN450U, 457U

- 20 - LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.Only for training and service purposes

A2

A31

900

200

400

540

910

120

122

801

300 51

050

251

1

501

301

800

521

LV1

EXPLODED VIEW

Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in the Schematic Diagram and EXPLODED VIEW. It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer.

IMPORTANT SAFETY NOTICE

Page 21: 22LN450U, 457U

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FORTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.

PCM_D[2]

PCM_A[1]

FE_TS_DATA[2]

PCM_A[7]

PCM_A[6]

FE_TS_DATA[0]

PCM_A[11]

FE_TS_DATA[4]

CI_TS_DATA[4]

PCM_A[4]

PCM_D[5]

PCM_A[1]

PCM_A[12]

FE_TS_DATA[3]

FE_TS_DATA[5]

PCM_A[13]

PCM_A[14]

PCM_D[6]

CI_TS_DATA[1]

PCM_A[0]

PCM_A[5]

CI_TS_DATA[0]

PCM_A[3]

PCM_D[0]

PCM_A[6]

CI_TS_DATA[2]

FE_TS_DATA[7]

PCM_A[8]

PCM_A[2]

CI_TS_DATA[7]

PCM_D[7]

PCM_A[10]

PCM_A[3]

PCM_D[3]

PCM_D[4]

PCM_A[0]

PCM_A[4]

CI_TS_DATA[5]

CI_TS_DATA[3]

FE_TS_DATA[6]

FE_TS_DATA[1]

PCM_A[9]

CI_TS_DATA[6]

PCM_A[2]

PCM_A[5]

PCM_D[1]PCM_A[7]

MHL_OCP_EN

R116

4.7K

I2C_SCL

MODEL_OPT_2

DEMOD_RESET

C1001uFOPT

ERROR_OUT

PWM0

R126

10K

+3.3V_Normal

/F_RB

PM_MODEL_OPT_1

R103 0

+3.3V_Normal

R1452.2K

MODEL_OPT_7

AUD_MASTER_CLK_0AUD_MASTER_CLK

R147 33

R154 22

R153

4.7K

R165

4.7K

R164 22

RXA2-

FE_TS_DATA[0-7]

R110 22EU

R1294.7K

OPT

IC100W25Q80BVSSIG

S_FLASH_MAIN_WINBOND

3%WP[IO2]

2DO[IO1]

4GND

1CS

5DI[IO0]

6CLK

7HOLD[IO3]

8VCC

+3.3V_ST

DSUB_DET

HP_DET

IC102H27U1G8F2CTR-BC

NAND_1G_HYNIX_9103(DEV)EAN35669103

26NC_17

27NC_18

28NC_19

29I/O0

30I/O1

31I/O2

32I/O3

33NC_20

34NC_21

35NC_22

36VSS_2

37VCC_2

38NC_23

39NC_24

40NC_25

41I/O4

42I/O5

43I/O6

44I/O7

45NC_26

46NC_27

47NC_28

48NC_29

17ALE

3NC_3

6NC_6

16CLE

15NC_10

14NC_9

13VSS_1

12VCC_1

11NC_8

10NC_7

9CE

8RE

7R/B

4NC_4

5NC_5

25NC_16

24NC_15

23NC_14

2NC_2

22NC_13

21NC_12

1NC_1

20NC_11

19WP

18WE

R1442.2K

AV_CVBS_DET

OLP

SPI_SDI

/PCM_IOWR

RXA2+

PM_RXD

PWM0

LED_AMBER

C1100.1uF16V

I2C_SCL

R1071K

PCM_A[0-14]

SPI_SCK

C1068pFOPT

R137 22

/PCM_WE

NTP_MUTE

IC101MSD804KKX

S7LR-M_NON_MS10

PCMDATA[0]/GPIO129W21

PCMDATA[1]/GPIO130AA18

PCMDATA[2]/GPIO131AB22

PCMDATA[3]/GPIO123AE20

PCMDATA[4]/GPIO122AA15

PCMDATA[5]/GPIO121AE21

PCMDATA[6]/GPIO120AB21

PCMDATA[7]/GPIO119Y15

PCMADR[0]/GPIO128W20

PCMADR[1]/GPIO127V20

PCMADR[2]/GPIO125W22

PCMADR[3]/GPIO124AB18

PCMADR[4]/GPIO102AA20

PCMADR[5]/GPIO104AA21

PCMADR[6]/GPIO105Y19

PCMADR[7]/GPIO106AB17

PCMADR[8]/GPIO111Y16

PCMADR[9]/GPIO113AB19

PCMADR[10]/GPIO117AB20

PCMADR[11]/GPIO115AA16

PCMADR[12]/GPIO107AA19

PCMADR[13]/GPIO110AC21

PCMADR[14]/GPIO109AA17

PCMREG_N/GPIO126Y20

PCMOE_N/GPIO116AB15

PCMWE_N/GPIO195AA22

PCMIORD_N/GPIO114AD22

PCMIOWR_N/GPIO112AD20

PCMCE_N/GPIO118AD21

PCMIRQA_N/GPIO108AC20

PCMCD_N/GPIO133Y18

PCMWAIT_N/GPIO103Y21

PCM_RESET/GPIO132Y22

PCM2_CE_N/GPIO134U21

PCM2_IRQA_N/GPIO135V21

PCM2_CD_N/GPIO138R20

PCM2_WAIT_N/GPIO136T20

PCM2_RESET/GPIO137U22

UART1_TX/GPIO46D4

UART1_RX/GPIO47E4

UART2_TX/GPIO68N25

UART2_RX/GPIO67N24

UART3_TX/GPIO50B8

UART3_RX/GPIO51A8

I2C_SCKM2/DDCR_CK/GPIO75P23

I2C_SDAM2/DDCR_DA/GPIO74P24

DDCA_DA/UART0_TXD2

DDCA_CK/UART0_RXD1

PWM0/GPIO69P21

PWM1/GPIO70N23

PWM2/GPIO71P22

PWM3/GPIO72R21

PWM4/GPIO73P20

PWM_PM/GPIO197F6

SAR0/GPIO34H6

SAR1/GPIO35G5

SAR2/GPIO36G4

SAR3/GPIO37J5

SAR4/GPIO38J4

VSYNC_LIKE/GPIO146R23

SPI1_CK/GPIO199R24

SPI1_DI/GPIO200R25

SPI2_CK/GPIO201T21

SPI2_DI/GPIO202T22

NF_CE1Z/GPIO141AE18

NF_WPZ/GPIO196AC17

NF_CEZ/GPIO140AD18

NF_CLE/GPIO139AC18

NF_REZ/GPIO142AC19

NF_WEZ/GPIO143AD17

NF_ALE/GPIO144AE17

NF_RBZ/GPIO145AD19

GPIO_PM[0]/GPIO6H5

PM_UART_TX/GPIO_PM[1]/GPIO7K6

GPIO_PM[2]/GPIO8K5

GPIO_PM[3]/GPIO9J6

GPIO_PM[4]/GPIO10K4

PM_UART_RX/GPIO_PM[5]/GPIO11L6

PM_SPI_SCZ1/GPIO_PM[6]/GPIO12C2

GPIO_PM[7]/GPIO13L5

GPIO_PM[8]/GPIO14M6

GPIO_PM[9]/GPIO15M5

PM_SPI_SCZ2/GPIO_PM[10]/GPIO16C1

GPIO_PM[11]/GPIO17M4

PM_SPI_SCK/GPIO1A2

PM_SPI_CZ0/GPIO_PM[12]/GPIO0D3

PM_SPI_SDI/GPIO2B2

PM_SPI_SDO/GPIO3B1

TS0CLK/GPIO90Y14

TS0VALID/GPIO88AA10

TS0SYNC/GPIO89Y12

TS0DATA_[0]/GPIO80Y13

TS0DATA_[1]/GPIO81Y11

TS0DATA_[2]/GPIO82AA12

TS0DATA_[3]/GPIO83AB12

TS0DATA_[4]/GPIO84AA14

TS0DATA_[5]/GPIO85AB14

TS0DATA_[6]/GPIO86AA13

TS0DATA_[7]/GPIO87AB11

TS1CLK/GPIO101AC15

TS1VALID/GPI99AD15

TS1SYNC/GPIO100AC16

TS1DATA_[0]/GPIO91AD16

TS1DATA_[1]/GPIO92AE15

TS1DATA_[2]/GPIO93AE14

TS1DATA_[3]/GPIO94AC13

TS1DATA_[4]/GPIO95AC14

TS1DATA_[5]/GPIO96AD12

TS1DATA_[6]/GPIO97AD13

TS1DATA_[7]/GPIO98AD14

AR10422

SPI_SDI

PF_ALE

SPI_SDO

R136 22

RXA0-

MODEL_OPT_0

R17710K

OPT

R1604.7K

PWM2

WLED_DIM_ADJ

R13933

I2C_SCL

/PCM_CE

PWM1

/MHL_OCP_DETIC101-*1LGE2121-MS (M1_L13_MS10)

S7LR-M_MS10

PCMDATA[0]/GPIO129W21

PCMDATA[1]/GPIO130AA18

PCMDATA[2]/GPIO131AB22

PCMDATA[3]/GPIO123AE20

PCMDATA[4]/GPIO122AA15

PCMDATA[5]/GPIO121AE21

PCMDATA[6]/GPIO120AB21

PCMDATA[7]/GPIO119Y15

PCMADR[0]/GPIO128W20

PCMADR[1]/GPIO127V20

PCMADR[2]/GPIO125W22

PCMADR[3]/GPIO124AB18

PCMADR[4]/GPIO102AA20

PCMADR[5]/GPIO104AA21

PCMADR[6]/GPIO105Y19

PCMADR[7]/GPIO106AB17

PCMADR[8]/GPIO111Y16

PCMADR[9]/GPIO113AB19

PCMADR[10]/GPIO117AB20

PCMADR[11]/GPIO115AA16

PCMADR[12]/GPIO107AA19

PCMADR[13]/GPIO110AC21

PCMADR[14]/GPIO109AA17

PCMREG_N/GPIO126Y20

PCMOE_N/GPIO116AB15

PCMWE_N/GPIO195AA22

PCMIORD_N/GPIO114AD22

PCMIOWR_N/GPIO112AD20

PCMCE_N/GPIO118AD21

PCMIRQA_N/GPIO108AC20

PCMCD_N/GPIO133Y18

PCMWAIT_N/GPIO103Y21

PCM_RESET/GPIO132Y22

PCM2_CE_N/GPIO134U21

PCM2_IRQA_N/GPIO135V21

PCM2_CD_N/GPIO138R20

PCM2_WAIT_N/GPIO136T20

PCM2_RESET/GPIO137U22

UART1_TX/GPIO46D4

UART1_RX/GPIO47E4

UART2_TX/GPIO68N25

UART2_RX/GPIO67N24

UART3_TX/GPIO50B8

UART3_RX/GPIO51A8

I2C_SCKM2/DDCR_CK/GPIO75P23

I2C_SDAM2/DDCR_DA/GPIO74P24

DDCA_DA/UART0_TXD2

DDCA_CK/UART0_RXD1

PWM0/GPIO69P21

PWM1/GPIO70N23

PWM2/GPIO71P22

PWM3/GPIO72R21

PWM4/GPIO73P20

PWM_PM/GPIO197F6

SAR0/GPIO34H6

SAR1/GPIO35G5

SAR2/GPIO36G4

SAR3/GPIO37J5

SAR4/GPIO38J4

VSYNC_LIKE/GPIO146R23

SPI1_CK/GPIO199R24

SPI1_DI/GPIO200R25

SPI2_CK/GPIO201T21

SPI2_DI/GPIO202T22

NF_CE1Z/GPIO141AE18

NF_WPZ/GPIO196AC17

NF_CEZ/GPIO140AD18

NF_CLE/GPIO139AC18

NF_REZ/GPIO142AC19

NF_WEZ/GPIO143AD17

NF_ALE/GPIO144AE17

NF_RBZ/GPIO145AD19

GPIO_PM[0]/GPIO6H5

PM_UART_TX/GPIO_PM[1]/GPIO7K6

GPIO_PM[2]/GPIO8K5

GPIO_PM[3]/GPIO9J6

GPIO_PM[4]/GPIO10K4

PM_UART_RX/GPIO_PM[5]/GPIO11L6

PM_SPI_SCZ1/GPIO_PM[6]/GPIO12C2

GPIO_PM[7]/GPIO13L5

GPIO_PM[8]/GPIO14M6

GPIO_PM[9]/GPIO15M5

PM_SPI_SCZ2/GPIO_PM[10]/GPIO16C1

GPIO_PM[11]/GPIO17M4

PM_SPI_SCK/GPIO1A2

PM_SPI_CZ0/GPIO_PM[12]/GPIO0D3

PM_SPI_SDI/GPIO2B2

PM_SPI_SDO/GPIO3B1

TS0CLK/GPIO90Y14

TS0VALID/GPIO88AA10

TS0SYNC/GPIO89Y12

TS0DATA_[0]/GPIO80Y13

TS0DATA_[1]/GPIO81Y11

TS0DATA_[2]/GPIO82AA12

TS0DATA_[3]/GPIO83AB12

TS0DATA_[4]/GPIO84AA14

TS0DATA_[5]/GPIO85AB14

TS0DATA_[6]/GPIO86AA13

TS0DATA_[7]/GPIO87AB11

TS1CLK/GPIO101AC15

TS1VALID/GPI99AD15

TS1SYNC/GPIO100AC16

TS1DATA_[0]/GPIO91AD16

TS1DATA_[1]/GPIO92AE15

TS1DATA_[2]/GPIO93AE14

TS1DATA_[3]/GPIO94AC13

TS1DATA_[4]/GPIO95AC14

TS1DATA_[5]/GPIO96AD12

TS1DATA_[6]/GPIO97AD13

TS1DATA_[7]/GPIO98AD14

RXA3+

R1804.7K

R179 100 OPT

CI_TS_SYNC

SCART1_MUTE

C1050.1uF

RGB_DDC_SCL

MODEL_OPT_5

AR10122

+3.3V_ST

KEY1

AUD_SCK

PM_TXD

R17510K

OPT

C113

0.1uF

50V

C112100pF50V

OPT

/FLASH_WP

CI_TS_DATA[0-7]

PM_MODEL_OPT_0

R1401K

/PCM_IORD

RGB_DDC_SDA

PCM_D[0-7]

R156 10K

/PF_WE

NAND_EN

R1081K

OPT

TUNER_RESET

POWER_ON/OFF1

+3.3V_ST

MULTI_ON

R151 33

IC102-*2NAND01GW3B2CN6E

NAND_1G_NUMONYX(DEV)

EAN60762401

26NC_17

27NC_18

28NC_19

29I/O0

30I/O1

31I/O2

32I/O3

33NC_20

34NC_21

35NC_22

36VSS_2

37VDD_2

38NC_23

39NC_24

40NC_25

41I/O4

42I/O5

43I/O6

44I/O7

45NC_26

46NC_27

47NC_28

48NC_29

17AL

3NC_3

6NC_6

16CL

15NC_10

14NC_9

13VSS_1

12VDD_1

11NC_8

10NC_7

9E

8R

7RB

4NC_4

5NC_5

25NC_16

24NC_15

23NC_14

2NC_2

22NC_13

21NC_12

1NC_1

20NC_11

19WP

18W

SPI_SDI

RXACK+

/PF_WP

AMP_SCL

R124

4.7K

R118

4.7K

/PF_CE1

CI_TS_CLK

IC102-*1K9F1G08U0D-SCB0

NAND_1G_SS

EAN61857001

26NC_17

27NC_18

28NC_19

29I/O0

30I/O1

31I/O2

32I/O3

33NC_20

34NC_21

35NC_22

36VSS_2

37VCC_2

38NC_23

39NC_24

40NC_25

41I/O4

42I/O5

43I/O6

44I/O7

45NC_26

46NC_27

47NC_28

48NC_29

17ALE

3NC_3

6NC_6

16CLE

15NC_10

14NC_9

13VSS_1

12VCC_1

11NC_8

10NC_7

9CE

8RE

7R/B

4NC_4

5NC_5

25NC_16

24NC_15

23NC_14

2NC_2

22NC_13

21NC_12

1NC_1

20NC_11

19WP

18WE

C1112.2uF

KEY_SDA

R111 22

/FLASH_WP

PCM_5V_CTL

Q100MMBT3904(NXP)

E

B

C

MODEL_OPT_6

R128

47K

OPT

R181

10K

SPI_SDO

+3.3V_ST

R131100

PCM_RST

/PF_CE0

R17410K

OPT

R1051K

OPT

/PF_OE

R112 22

C1030.1uF

R142

4.7K

OPT

FE_TS_VAL_ERR

R101 22

R117

4.7K

OPT

R102

3.3K

/PCM_CD

/F_RB

/PCM_WAIT

/PF_CE0

MODEL_OPT_1

R1384.7K

OPT

IC100-*1MX25L8006EM2I-12G

S_FLASH_MAIN_MACRONIX

3WP#

2SO/SIO1

4GND

1CS#

5SI/SIO0

6SCLK

7HOLD#

8VCC

I2C_SDA

R178 100 OPT

LED_RED

+3.3V_ST

R100 0OPT

PWM0

AMP_SDA

AR10322

R148

33

C1048pFOPT

C1010.1uF

PF_ALE

PWM2

R1061K

KEY_SCL

R1274.7K

R1411K

AR102

22

R163 22

/PCM_REG

CI_TS_VAL

KEY_SCL

LED_AMBER

R13510K

OPT

PC_AUDIO_DET

C10210uF

10V

I2C_SDA

R113 22

/PF_CE1

R152

4.7K

OPT

IC103

AT24C256C-SSHL-TNVRAM_ATMEL

EAN61133501

3A2

2A1

4GND

1A0

5SDA

6SCL

7WP

8VCC

BLU_CURRENT_CTL

R1093.9K

USB_OCD

RXA1+

R143

4.7K

OPT

RXA0+

+5V_Normal

/PF_OE

/SPI_CS

KEY2

R157 100

RXA3-

+3.3V_Normal

R123

4.7K

OPT

5V_DET_HDMI_2

+3.3V_Normal

R115

4.7K

OPT

HP_MUTE

C1070.1uF16V

R1614.7K

MODEL_OPT_3

R121

4.7K

OPT

IC101MSD804KKX

S7LR-M_NON_MS10

GPIO39C7

GPIO40E6

GPIO41F5

GPIO42B6

GPIO43E5

GPIO44D5

GPIO45B7

GPIO48E7

GPIO49F7

GPIO52AB5

GPIO53AB3

GPIO54A9

GPIO55F4

I2C_SCKM0/GPIO56AB1

I2C_SDAM0/GPIO57N6

GPIO76AB2

GPIO77AC2

LVA0PAB25

LVA0NAB23

LVA1PAC25

LVA1NAB24

LVA2PAD25

LVA2NAC24

LVA3PAE23

LVA3NAC23

LVA4PAC22

LVA4NAD23

LVB0PV23

LVB0NU24

LVB1PV25

LVB1NV24

LVB2PW25

LVB2NW23

LVB3PAA23

LVB3NY24

LVB4PAA25

LVB4NAA24

LVACLKPAE24

LVACLKNAD24

LVBCLKPY23

LVBCLKNW24

GPIO194T25

GPIO191U23

GPIO192T24

GPIO193T23

+3.3V_Normal

R17610K

OPT

RXACK-

R125

10K

/SPI_CS

SPI_SCK

I2C_SDA

/PF_WP

R130

10K

MODEL_OPT_4

USB_CTL

+3.3V_ST

C1140.1uF

KEY_SDA

5V_DET_HDMI_1

PM_RXD

RXA1-

R146 33

WLED_ENABLE

PWM1

FE_TS_SYNC

/PF_WE

IC103-*1

M24256-BRMN6TP

NVRAM_ST

EAN61548301

3E2

2E1

4VSS

1E0

5SDA

6SCL

7WC

8VCC

+3.3V_Normal

/PCM_OE

PM_TXD

IC103-*2

R1EX24256BSAS0A

NVRAM_RENESAS

EAN62389501

3A2

2A1

4VSS

1A0

5SDA

6SCL

7WP

8VCC

LED_RED

FE_TS_CLK

PANEL_CTL

AMP_RST

PCM_A[0-7]

+3.3V_ST

/PCM_IRQA

SCART1_DET

MAIN1_EU

NC4_S7LRM

1 12

2011.11.15WalkieTalkie Issue

Internal demod out

applied on only SMALL PCB

EEPROM

B51_no_EJ : 4’b0000 Boot from 8051 with SPI flashSB51_WOS : 4’b0001 Secure B51 without scrambleSB51_WS : 4’b0010 Secure B51 with scrambleMIPS_SPE_NO_EJ : 4’b0100 Boot from MIPS with SPI flashMIPS_SPI_EJ_1 : 4’b0101 Boot from MIPS with SPI flashMIPS_SPI_EJ_2 : 4’b0110 Boot from MIPS with SPI flashMIPS_WOS : 4’b1001 Secure MIPS without scrambleMIPS_WS : 4’b1010 Scerur MIPS with SCRAMBLE

PM MODEL OPTION

<CHIP Config(LED_R/BUZZ)>Boot from SPI CS1N(EXT_FLASH) 1’b0Boot from SPI_CS0N(INT_FLASH) 1’b1

from CI SLOT

<CHIP Config>(I2S_OUT_BCK,I2S_OUT_MCK,PAD_PWM1PAD_PWM0)

A0’h

for SYSTEM EEPROM(IC104)

for SERIAL FLASH

I2C

SERIAL FLASH MEMORY

DIMMING

NAND FLASH MEMORY

EAX65077401

2012.09.15

120915ADDED

120917Changed

120915Pull up added

LGE2121-NonMS10 (MSD804KKX): EAN62651201 (KR/US REGION)

LGE2121-MS10 (MSD804KKX): EAN62674101 (NON_KR/US REGION)

Copyright © 2013 LG Electronics. Inc. All rights reserved. Only for training and service purposes

LGE Internal Use Only

Page 22: 22LN450U, 457U

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FORTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.

DSUB_VSYNC

C290

0.1uFOPT

IF_AGC_SEL

C225 0.047uF

C209 0.047uF

C2684.7uF10V

+2.5V_Normal

C211 0.047uF

C278

10uF

R236 0

OPT

C287100pFOPT

PM_MODEL_OPT_0

R293

1K

MODEL_OPT_DUAL_STREAM(X)

DDC_SDA_2

C2560.1uF

SB_MUTE

C214 0.047uF

R2690

1/10W5%

C229

0.1uF

R2750

COMP_DET

MODEL_OPT_4

R2770OPT

C2410.1uF

D1-_HDMI1

CI_DET

C292

0.1uF

OPT

AVDD_NODIE

D2-_HDMI2

AMP_SCL

C281

10uF

OPT

C2340.1uF

AVDD_MPLL

TU_CVBS

IF_N_MSTAR

SOC_RESET

R207

1K

MODEL_OPT_3D(X)

C265

0.1uF

OPT

RF_SWITCH_CTL

C267

0.1uF

OPT

R225

1K

MODEL_OPT_MIU0-128M

AVDD_MIU

R234 47

DDC_SCL_1

DSUB_G+

SC1_FB

R223

1K

MODEL_OPT_DVB_S(X)

R231 68

C218 0.047uF

C259

0.1uF

MODEL_OPT_3

+1.15V_VDDC

/VBUS_EN

C232

0.1uF

OPT

R2710

1/10W5%

R212

1K

MODEL_OPT_PHM(X)

C2860.1uF

C236 2.2uF

R290

1K

MODEL_OPT_DUAL_STREAM(O)

C300

0.1uF

C206 0.047uF

C296

0.1uFOPT

C283

0.1uF

10uF

C293

OPT

R2720

1/10W5%

C243 2.2uF

D0+_HDMI2

C2480.1uF

10uF

C276

OPT

R2730

1/10W5%

C304

0.1uF

OPT

C2380.1uF16V

L205 5.6uH

R2740

C260

0.1uF

OPT

SCART1_Lout

AUD_SCK

+3.3V_Normal

R228 33

D1+_HDMI2

SC1_G+

AVDD2P5

R208

1K

MODEL_OPT_DVB_T2(O)

C298

0.1uF

OPT

C301

0.1uF

OPT

R245 33

C277

1uF

D1-_HDMI2

D200MMBD6100

A2

C

A1

C245 2.2uF

10uF

C284

C303

0.1uF

D2-_HDMI1

R2170

1/10W5%

C280

1uF

R2680

1/10W5%

R224

1K

MODEL_OPT_MIU0-256M

10uF

C202

10uF

C254

C305

1uF

R238 68

R222

1K

MODEL_OPT_DVB_S(O)

VDD33

10uF

C228

MODEL_OPT_7

AVDD_DVI

C237 2.2uF

+1.15V_VDDC

R227

1K

MODEL_OPT_FHD

TU_SDA

HP_ROUT

R206

1K

MODEL_OPT_3D(O)

C2400.1uF

R297 0OPT

MODEL_OPT_1

AUD_MASTER_CLK_0

COMP_R_IN

C239

0.1uF

X20124MHz

+1.15V_VDDC

R233 68

R232 33

VDD33

R2150

1/10W5%

DSUB_R+

AVDD_DVI

R256 68

R252 68

R2700

1/10W5%

AVDD_MIU

PC_R_IN

AVDD2P5

AMP_SDA

C246

0.1uF

AVDD_MPLL

PM_MODEL_OPT_1

R2160

1/10W5%

COMP_L_IN

R294

1K

MODEL_OPT_MIU1(X)

CK-_HDMI2

LNA2_CTL

SCART1_Rout

R254 68

FB_CORE

USB_DM

R226

1K

MODEL_OPT_HD

R20062K

SC1_L_IN

RF_SWITCH_CTL

C200

4.7uF10V

D0-_HDMI1

MIUVDDC

DDC_SDA_1

AVDD2P5_MOD

10uF

C275

R211

1K

MODEL_OPT_PHM(O)

HPD1

AUD_LRCH

+1.5V_DDR

R291

1K

MODEL_OPT_MIU1(O)

C208 0.047uF

C223 0.047uF

C215 0.047uF

R2780OPT

C262 27pF

R261

2.4K

IF_P_MSTAR

SC1_SOG_IN

AVDD_AU33

C261 27pF

R220 22

C242 2.2uF

MODEL_OPT_5

C212 0.047uF

HPD2

C2494.7uF

R218 22

R260

10K

C255

0.1uF

OPT

L202BLM18SG121TN1D

FB_CORE

R242 68

R240 68

ZD2003.3V

OPT

SC1_R_IN

AVDD2P5_MOD

C297

0.1uF

+3.3V_Normal

R266 510

R253 33

AVDD_NODIE

MIUVDDC

TU_SCL

R288 100

DSUB_B+

C299

0.1uF

OPT

R209

1K

MODEL_OPT_DVB_T2(X)

R219 22

CK+_HDMI1

C279

0.1uF

+3.3V_Normal

AVDD_AU33

R255 33

C220 0.047uF

C221 0.047uF

+3.3V_Normal

HP_LOUT

MODEL_OPT_2

R287

1M

R2760

C24710uF

R2470

C2740.1uF

R239 33

IR

CEC_REMOTE_S7

C207 0.047uF

C205 0.047uF

R289 100

PC_L_IN

C251 0.1uF

D0+_HDMI1

R241 33

D0-_HDMI2

C226 0.047uF

R237 33

C266

0.1uF

OPT

C257 0.1uF

C2700.1uF

OPT

C26310uF

AVDD5V_MHL

C216 0.047uF

C2520.1uF

IF_AGC_MAIN

HDMI_ARC

C2010.1uF

OPT

C2031000pF

OPT50V

R24310K

C302

0.1uF

OPT

+2.5V_Normal

C231 1uF

R213 22

SC1_R+

C217 1000pF

MODEL_OPT_6

SOC_RESET

R230 33

R221 22

C227 0.047uF

USB_DP

DSUB_HSYNC

C306

0.1uF

C2531uF

R246 33

C222 0.047uF

C28933pF

+1.15V_VDDC

MODEL_OPT_0

MHL_CD_SENSE

+3.3V_ST

C250 0.1uF

D2+_HDMI1

R296 100OPT

C224 1000pF

D1+_HDMI1

R203 100RF_SW_OPT

CK-_HDMI1

D2+_HDMI2

COMP_Y+/AV_CVBS_IN

SC1_B+

COMP_Y+/AV_CVBS_IN

C2730.1uF

COMP_Pr+

C26910uF

R244 33

C2641000pFOPT50V

VDD33

C2710.1uF

OPT

R235 47

C244 2.2uF

R267 510

C291

0.1uF

OPT

R229 68

TP209

C28833pF

C2820.1uF

+3.3V_ST

L203 5.6uH

R20510

R258 68

CK+_HDMI2

C235

0.1uF

R210 0

AUD_LRCK

C219 0.047uF

C2850.047uF25V

IC101MSD804KKX

S7LR-M_NON_MS10

RXACKPJ2

RXACKNJ3

RXA0PK3

RXA0NJ1

RXA1PK2

RXA1NK1

RXA2PL2

RXA2NL3

DDCDA_DA/GPIO27T5

DDCDA_CK/GPIO26T4

HOTPLUGA/GPIO22V5

HOTPLUGD/GPIO25R5

RXCCKPAE9

RXCCKNAC9

RXC0PAC10

RXC0NAD9

RXC1PAC11

RXC1NAD10

RXC2PAE11

RXC2NAD11

DDCDC_DA/GPIO31AE8

DDCDC_CK/GPIO30AD8

HOTPLUGC/GPIO24AC8

RXBCKPF2

RXBCKNF3

RXB0PG3

RXB0NF1

RXB1PG2

RXB1NG1

RXB2PH2

RXB2NH3

DDCDB_DA/GPIO29R6

DDCDB_CK/GPIO28U6

HOTPLUGB/GPIO23P5

CEC/GPIO5R4

HSYNC0P2

VSYNC0R3

RIN0PN2

RIN0MP3

GIN0PN3

GIN0MN1

BIN0PM3

BIN0MM2

SOGIN0M1

HSYNC1V2

VSYNC1V3

RIN1PU3

RIN1MU2

GIN1PT1

GIN1MT2

BIN1PR2

BIN1MR1

SOGIN1T3

HSYNC2AA2

RIN2PY2

RIN2MAA3

GIN2PW2

GIN2MY3

BIN2PV1

BIN2MW3

SOGIN2W1

CVBS0AA8

CVBS1Y4

CVBS2W4

CVBS3AA5

NC_5Y5

NC_7AA4

NC_6Y6

CVBSOUT1AA1

VCOMAB4

NC_8AC4

NC_9AD3

IPAC3

IMAE3

SIFPAD4

SIFMAC5

IF_AGCAD2

RF_AGCAE2

I2C_SCKM1/GPIO78AE6

I2C_SDAM1/GPIO79AD6

XINAD1

XOUTAC1

SPDIF_IN/GPIO150D7

SPDIF_OUT/GPIO151D6

USB0_DME3

USB0_DPE2

USB1_DMAC12

USB1_DPAE12

I2S_IN_BCK/GPIO148C8

I2S_IN_SD/GPIO149D8

I2S_IN_WS/GPIO147D9

I2S_OUT_BCK/GPIO154B10

I2S_OUT_MCK/GPIO152C9

I2S_OUT_SD/GPIO155B9

I2S_OUT_WS/GPIO153C10

AUL0AB9

AUR0AA11

AUL1Y9

AUR1AA9

AUL2AA7

AUR2AB8

AUL3Y8

AUR3Y10

AUL4AC7

AUR4AD7

GPIO_PM[13]/GPIO19W6

AUOUTL2V6

AVDD5V_MHLV4

GPIO_PM[14]/GPIO20Y7

AUOUTR2W5

GPIO_PM[15]/GPIO21U5

AUVRMAD5

AUVAGAE5

AUVRPAC6

EARPHONE_OUTLAA6

EARPHONE_OUTRAB6

RP/GPIO63C6

TP/GPIO60C5

RN/GPIO66A6

LED1/GPIO59C4

TN/GPIO62B5

GPIO61C3

GPIO64A3

GPIO65B3

LED0/GPIO58B4

IRIN/GPIO4N4

ARC0T6

HWRESETN5

SC1_ID

C233 0.047uF

C204 0.047uF

R257 33

SC1_CVBS_IN

COMP_Pb+

DDC_SCL_2

C2724.7uF10V

C307 1uF

IC101MSD804KKX

S7LR-M_NON_MS10

AVDDLV_USBK12

VDDC_1G9

VDDC_2H9

VDDC_3K10

VDDC_4K11

VDDC_5L10

VDDC_6M12

VDDC_7M13

VDDC_8N12

VDDC_9P14

VDDC_10P15

VDDC_11R10

VDDC_12R14

VDDC_13R15

VDDC_14T10

NC_2P10

FB_COREP19

AVDDL_MODR16

NC_1L11

DVDD_DDRM14

AVDD2P5_ADC_1W9

AVDD2P5_ADC_2W10

AVDD2P5_ADC_3W11

AVDD2P5_ADC_4W12

AVDD25_LANY17

AVDD_MOD_1V18

AVDD_MOD_2U19

NC_3W14

NC_4W15

AVDD_NODIEU7

AVDD_DVI_USB_1L7

AVDD_DVI_USB_2M7

AVDD3P3_MPLLP7

AVDD_DMPLLR7

DVDD_NODIEM19

AVDD_AU33V7

AVDD_EAR33W7

VDDP_1R19

VDDP_2T19

AVDD_LPLL_1W18

AVDD_LPLL_2W19

VDDP_NANDV19

AVDD_DDR0_D_1J17

AVDD_DDR0_D_2K15

AVDD_DDR0_D_3K16

AVDD_DDR0_CL15

AVDD_DDR1_D_1K17

AVDD_DDR1_D_2L17

AVDD_DDR1_D_3M17

AVDD_DDR1_CL16

GND_EFUSEE9

GND_1A23

GND_2B17

GND_3C23

GND_4A5

GND_5C11

GND_6C19

GND_7C22

GND_8D14

GND_9D18

GND_10D19

GND_11E17

GND_12E18

GND_13E19

GND_14E22

GND_15F8

GND_16F17

GND_17F18

GND_18F19

GND_19G8

GND_20H8

GND_21N22

GND_22N21

GND_23N20

GND_24M22

GND_25M21

GND_26M20

GND_27F10

GND_28V15

GND_29W16

GND_30V8

GND_31T18

GND_32G10

GND_33G11

GND_34G12

GND_35G13

GND_36G14

GND_37G17

GND_38G18

GND_39G19

GND_40G24

GND_41H11

GND_42H12

GND_43H13

GND_44H14

GND_45H15

GND_46H16

GND_47H17

GND_48H18

GND_49H19

GND_50J9

GND_51J10

GND_52J11

GND_53J12

GND_54J13

GND_55J14

GND_56J15

GND_57J16

GND_58J18

GND_59J19

GND_60J25

GND_61K9

GND_62K13

GND_63K14

GND_64H10

GND_65K18

GND_66K19

GND_67K22

GND_68L8

GND_69L9

GND_70J8

GND_71L12

GND_72L13

GND_73L18

GND_74L19

GND_75M8

GND_76K8

GND_77M10

GND_78M11

GND_79L14

GND_80M15

GND_81M16

GND_82M18

GND_83M25

GND_84N10

GND_85N11

GND_86N13

GND_87N14

GND_88N15

GND_89N16

GND_90N17

GND_91N19

GND_92K7

GND_93P8

GND_94P9

GND_95M9

GND_96P11

GND_97P13

GND_98P16

GND_99P17

GND_100P18

GND_101P12

GND_102R8

GND_103R9

GND_104R11

GND_105R12

GND_106R13

GND_107R17

GND_108T8

GND_109T9

GND_110N7

GND_111T11

GND_112T12

GND_113T13

GND_114T14

GND_115T15

GND_116T16

GND_117T17

GND_118U8

GND_119U9

GND_120U10

GND_121U11

GND_122U12

GND_123U13

GND_124U14

GND_125U15

GND_126U16

GND_127U17

GND_128R18

GND_129V9

GND_130V10

GND_131V11

GND_132V12

GND_133V14

GND_134V17

GND_135T7

GND_136E8

C213 0.047uF

TU_SIF

DTV/MNT_VOUT

R214 22

C210 1000pF

C258 0.1uF

2 12

NC4_S7LRM

MAIN2_EU

NON_DVB_S

MODEL_OPT_7

PHM_OFFF4

SOC_RESET

MIU1-128M

CVBS In/OUT

SCART1_RGB

128M

MODEL_OPT_0

NON_DVB_T2

1

22->27pF

120715Added

MODEL_OPT_51

0

MODEL_OPT_4Ginga

Close to MSTAR

AB2

256M

Normal 2.5V

MODEL_OPT_1

H/P OUT

MODEL_OPT_2

ModelOPT 6

AB3

T24

HIGH

1

TUNER_I2C

FHD

PIN NO.

NON_3D

AUDIO IN

0DVB_T2

256M+128M

I2S_I/F

0

ModelOPT 4

A8

MODEL OPTION

DSUB

AVDD25_PGA:13mA

120715Added

111026SwitchEBF32593901 Deletion

PHM_ON

ANALOG SIF

Memory

DVB_S

MODEL_OPT_3

MIU1-NO_DDR

HDMI

AUDIO OUT

DTV_IF

HD

1

PIN NAME

SIDE USB

MIU0-128M

Close to MSTAR

AVDD2P5:172mA

T25

MODEL_OPT_6 B8

U23

COMP

12.08.03

LOW Note

Close to MSTAR

MIU0-256M

Close to MSTAR

DualStream

3D

128M+128M

MEMORY OPTION

0

* Dual Stream is only Korea 3D spec

NON_DualStream

VDDC : 2026mA

VDDC 1.15V

Normal Power 3.3V

AVDD_DDR1:55mA

DDR3 1.5V

AVDD_DDR0:55mA

STby 3.3VAVDD_NODIE:7.362mA

MODEL OPTION

EAX65077401

2012.09.15

Copyright © 2013 LG Electronics. Inc. All rights reserved. Only for training and service purposes

LGE Internal Use Only

Page 23: 22LN450U, 457U

USB DOWN STREAM

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FORTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. INTERFACE

C42147pF50V

JP_GND4

RGB_DDC_SCL

R41947

JP_GND2

JK402

3AU04S-305-ZC-(LG)

12

34

5

JK401KJA-PH-1-0177

3 M3_DETECT

4 M4

5 M5_GND

1 M1

6 M6

PM_TXD

R44415K

R44710K

+3.3V_ST

JP_GND3

PM_RXD

VA42420V

OPT

MGJ63348202

M1-*1JackShield(for CKD)

R407470K

VA41220V

JP412

R4100

NON_Hotel_Model(RS232C Bypass)

P400

12507WS-04L

1

2

3

4

5

JK404

KJA-PH-1-0177

Hotel_Model(RS232C apply)

3M3_DETECT

4M4

5M5_GND

1M1

6M6

+3.3V_ST

VA41020VOPT

+5V_Normal

JP414

VA40020V

OPT

C4020.33uF16V

Hotel_Model(RS232C apply)

R416

0

IR_OUT

JP_GND1

VA40820V

OPT

IC401

MAX3232CDR

Hotel_Model(RS232C apply)

3C1-

2V+

4C2+

1C1+

6V-

5C2-

7DOUT2

8RIN2

9ROUT2

10

DIN2

11

DIN1

12

ROUT1

13

RIN1

14

DOUT1

15

GND

16

VCC

+3.3V_ST

C4080.1uF16V

Hotel_Model(RS232C apply)

R414100

PM_TXD

C4090.1uF16V

Hotel_Model(RS232C apply)

C4070.33uF16V

Hotel_Model(RS232C apply)

R4120

NON_Hotel_Model(RS232C Bypass)

C4060.33uF16V

Hotel_Model(RS232C apply)

IR_OUT

PM_RXD VA41120V

R415100

JP413

R43447K

R418

47K

L402BLM15BD121SN1

PC_AUDIO_DET

R442470K

OPT

IC400AP2191DSG

3IN_2

2IN_1

4EN

1GND

5FLG

6OUT_1

7OUT_2

8NC

USB_OCD

USB_DP 1:AL7

VA407

20VOPT

DSUB_G+

R40075

DSUB_VSYNC2:E18

C414220pF50V

JP408

R4310

OPT

VA42520V

OPT

JP401

Q400MMBT3904(NXP)

E

B

C

+5V_USB

VA403

5.5V

R41310K

JP409

R4060

OPT

R4030

OPT

R44515K

R435

10K

R4091K

VA42020V

R420 0

OPT

C40118pF50V

OPT

JP403

+3.3V_Normal

JP410

C419

47pF

50V

JK400

SPG09-DB-010

1RED

2GREEN

3BLUE

4GND_1

5DDC_GND

6RED_GND

7GREEN_GND

8BLUE_GND

9NC

10

SYNC_GND

11

GND_2

12

DDC_DATA

13

H_SYNC

14

V_SYNC

15

DDC_CLOCK

16SHILED

R4050

OPT

D416MMBD6100

A2

C

A1

JP428

R40275

VA41920V

C413220pF50V

R4040

OPTPC_L_IN

R426 0

L401BLM15BD121SN1

MGJ63348201

M1JackShield(for NonCKD)

VA41820VOPT

USB_CTL

JP404

R429 0

L403BLM15BD121SN1

JP402

R41710K

C405

0.1uF

+3.3V_ST

R441470K

OPT

R40810K

R427 0

USB_DM 1:AL8

PC_R_IN

VA406

5.5V

JP407

JP427

C40318pF50V

OPT

VA402

5.5V

R44610K

DSUB_HSYNC2:E18

JP405

DSUB_R+

VA40120V

OPTJP429

C40410uF10VOPT

JP406

RGB_DDC_SDAJP411

R40175

JP400

DSUB_DET

R421

0

C42047pF

50V

DSUB_B+

C4000.1uF

VA41720VOPT

VA415

20V

OPT

4 12

11.10.27

12.07.02BY.Hwang

111026ESD diode deletionEAH39491601 2EA

Jack Shield (HDMI1, HDMI2, RGB)11.10.31

DSUB RGB USB(SIDE)PC AUDIO(SIDE)

To Improve Ringing issueLOW capacitance Part apply

To Improve EMI

120103ESD diode additionEAF61530301 2EA

NC4_S7LRM

RS232C(SIDE)

12.08.1047K->470K

EAX65077401

2012.09.15

120918JIG GND Point addition

Copyright © 2013 LG Electronics. Inc. All rights reserved. Only for training and service purposes

LGE Internal Use Only

Page 24: 22LN450U, 457U

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FORTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. HDMI 5 12

R513

10K

OPT

C5030.1uF

LN4500

D0+_HDMI1

+5V_Normal

5V_HDMI_2

+5V_ST

R53410K

LN4500

D2-_HDMI1

VA51220V

OPT

R51910K

LN4500

+3.3V_ST

+5V_Normal5V_HDMI_2 +3.3V_ST

D505-*1IP4283CZ10-TBA

ESD_HDMI_NXP

3GND_1

2TMDS_CH1+

4TMDS_CH2-

1TMDS_CH1-

5TMDS_CH2+

6NC_1

7NC_2

8GND_2

9NC_3

10NC_4

VA51320V

OPT

R516

100KOPT

DDC_SDA_1

+3.3V_Normal

CK-_HDMI1

DDC_SCL_2

R53810K

MHL_OLD

Q506LN4500

E

B

C

HPD1

D503MMBD6100

A2

C

A1

R51010K

HDMI_ARC

VA51020V

OPT

5V_DET_HDMI_1

R520100

Q500MMBT3904(NXP)

E

B

C

R508

10K

OPT

D504-*1IP4283CZ10-TBA

ESD_HDMI_NXP

3GND_1

2TMDS_CH1+

4TMDS_CH2-

1TMDS_CH1-

5TMDS_CH2+

6NC_1

7NC_2

8GND_2

9NC_3

10NC_4

D504RCLAMP0524PA

ESD_HDMI_SEMTECH(DEV)

1

8

2

7

3

6

4

5

9

10

R506

47K

R502

1K

DDC_SCL_1

D2-_HDMI2

JK501

EAG61491201

14

13

5D1_GND

20

SHIELD

12

11

2D2_GND

19

18

10CK+

4D1+

1D2+

17

9D0-

8D0_GND

3D2-

16

7D0+

6D1-

15

HDMI_CEC

R500

47K

D501MMBD6100

A2

C

A1

R518

2.7K

D2+_HDMI1

Q501MMBT3904(NXP)

E

B

C

R51410K

OPT

R517

2.7K

/MHL_OCP_DET

JK500

EAG61491201

OPT

14

13

5D1_GND

20

SHIELD

12

11

2D2_GND

19

18

10CK+

4D1+

1D2+

17

9D0-

8D0_GND

3D2-

16

7D0+

6D1-

15

D506-*1IP4283CZ10-TBA

ESD_HDMI_NXP

3GND_1

2TMDS_CH1+

4TMDS_CH2-

1TMDS_CH1-

5TMDS_CH2+

6NC_1

7NC_2

8GND_2

9NC_3

10NC_4

CEC_REMOTE_S7

+3.3V_Normal

AVDD5V_MHL

D0+_HDMI2

C5020.047uF25V

LN4500

DDC_SDA_2

Q508LN4500

E

B

C

R5310

LN4500

D1-_HDMI1

HPD2

R50110K

VA50220V

R53320K

LN4500

VA506

OPT

5.6V

HDMI_ARC

CK+_HDMI1

HDMI_CEC

R527 0

HDMI2_ARC

DDC_SDA_1

D1+_HDMI1

R503

47K

R5352.7K

LN4500

Q502MMBT3904(NXP)

E

B

C

D1+_HDMI2

R526 0

HDMI1_ARC

R52910K

MN33D

Q503

MMBT3904(NXP)OPTE

B

C

R536

0

MHL_NEW

VA504

OPT

D507RCLAMP0524PA

ESD_HDMI_SEMTECH(DEV)

1

8

2

7

3

6

4

5

9

10D1-_HDMI2

Q507LN4500

E

B

C

DDC_SCL_2

Q505MMBT3904(NXP)

MN33D

E

B

C

5V_HDMI_1

D500

30V

MBR230LSFT1G

LN4500

MHL_CD_SENSE

R5370

MHL_OLD

R504

47K

D502MMBD6100

A2

C

A1

D507-*1IP4283CZ10-TBA

ESD_HDMI_NXP

3GND_1

2TMDS_CH1+

4TMDS_CH2-

1TMDS_CH1-

5TMDS_CH2+

6NC_1

7NC_2

8GND_2

9NC_3

10NC_4

VA51420V

OPT

D0-_HDMI1

R50510K

R515

10KLN4500

CK+_HDMI2

VA50720V

OPT

DDC_SCL_1

R5120

1/16W5%

LN4500

VA50020V

R52310K

LN4500

HDMI_CEC

CK-_HDMI2

D2+_HDMI2

MHL_OCP_EN

/VBUS_EN

R528

1K

MN33D

VA51120V

OPT

5V_HDMI_2

R5300

MN33D

R525 0

LN4500

C50010uF10V

LN4500

DDC_SDA_2

VA50320V

VA505

OPT

R5320LN4500

D505RCLAMP0524PA

ESD_HDMI_SEMTECH(DEV)

1

8

2

7

3

6

4

5

9

10

VA50120V

5V_DET_HDMI_2R52410K

LN4500

D0-_HDMI2

Q504

MMBT3906(NXP) OPT

E

B

C

VA50820V

OPT

D506RCLAMP0524PA

ESD_HDMI_SEMTECH(DEV)

1

8

2

7

3

6

4

5

9

10

IC500BD82020FVJ

LN4500

3IN_2

2IN_1

4EN

1GND

5OC

6OUT_1

7OUT_2

8OUT_3

+3.3V_Normal

5V_HDMI_1

+3.3V_ST

VA50920V

OPT

+3.3V_ST

R507

300KLN4500(MHL_PULL_DOWN_300K)

R509100

LN4500

R522

2.7K

R521

2.7K

R51110

LN4500

NC4_S7LRM

EAX65077401

2012.09.15

MHL OCP

120715Added for ESD prevention120825OPT->APPLY

HDMI

120825ESD component addition

(Active Low)

HDMI_2 With MHL

120715Added for ESD prevention120825OPT->APPLY

(Active High)

HDMI_1CEC

120825ESD component addition

12091522->100ohm

12091547K->2.7K

121109Change 0ohm -> 10ohm(EOS Issue.. Mstar Recommand)

Copyright © 2013 LG Electronics. Inc. All rights reserved. Only for training and service purposes

LGE Internal Use Only

Page 25: 22LN450U, 457U

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FORTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. MODULE&CONTROL

Q601

MMBT3904(NXP)

E

B

C

KEY_SDA

R62110K

IR_OUT

JP603

R6173.3K

L600BLM18PG121SN1D

JP604

R614100

+3.3V_ST

C604

1000pFIR_OUT

JP607

Q600

MMBT3904(NXP)

E

B

C

KEY2

LED_RED

R600

10K

R602

10K

KEY1

R61910K

IR_OUT

R615100

+3.3V_ST

+3.3V_ST

R62210KIR_OUT

JP610

D602

20V

OPT

D603

20V

OPT

IR

R60110K

JP605

R604 270JP602

C603

100pF50V

OPT

C600

0.1uF

50V

Q602MMBT3904(NXP)

IR_OUTE

B

C

+3.3V_ST

R62347K

IR_OUT

P600

12507WR-12L

1

2

3

4

5

6

7

8

9

10

11

12

13

JP601

JP609

C602

100pF50V

OPT

KEY_SCL

R61822

IR_OUT

Q603MMBT3904(NXP)

IR_OUTE

B

C

R6200

OPT

JP600

D601

20V

JP608

R6163.3K

R610 330

R6280

JP611

R6290LGD

RXA0-

RXA1+

C6050.1uF50V

+12V_PANEL_POWER

R626

4.7K

RXA2+

RXA3-

JP612

RXACK-

R624

4.7K

RXA2-

R625

4.7K

RXA1-

D600

20V

P601

10031HR-30

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

RXACK+

RXA0+

R627

4.7K

RXA3+

C6071000pF50V

C60610uF25V

IR_OUT

R60310K

+3.3V_ST

JP606

IR

C601

1000pF

50V

+3.3V_ST

LED_AMBER

R630200

6 12

IR/LED and Control

12.07.17Change D601~3

IR_OUT(Ready)

NC4_S7LRM

2012.04.1310uF/10V -> 10uF/25V

111116100uF EcapDeletionEAE38362801

Module

2012.04.131K/10W -> 4.7K/10W

EAX65077401

2012.09.15

PIN23

LGD

PIN22

NC

VESA

2.7~3.3V

NC

JEDIA

GND

0~0.7V

Amber LED setting : 9.6mA

120915

RED LED setting : 9.6->7.9mA

(IR Port protection against ESD)121018100ohm->200ohm

Copyright © 2013 LG Electronics. Inc. All rights reserved. Only for training and service purposes

LGE Internal Use Only

Page 26: 22LN450U, 457U

THERMAL

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FORTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. AUDIO AMP 7 12

Q702MMBT3906(NXP)

E

B

C

R70647K

C7261uF25V

JP704

SB_MUTE

JP703

C7340.47uF50V

C7350.47uF50V

R73812K

R701

10K

D704

100V1N4148W

OPT

R70833K

OPTNTP_MUTE

C7191000pF

50VOPT

R71912

0.1uFC715

50V

JP701

+3.3V_Normal

Q704MMBT3904(NXP)

E

B

C

R70510K

C716

10uF

25V

C70210uF10V

C7171000pF

50VOPT

AMP_SDA

R7160

R737-*13K

SCART MUTE ONR73712KSCART MUTE OFF

1uFC725

10V

L701

LPH6045T-100M

Audio_Coil_ABCO10uH

L700

LPH6045T-100M

Audio_Coil_ABCO10uH

L706

LPH6045T-100M

Audio_Coil_ABCO10uH

L709

LPH6045T-100M

Audio_Coil_ABCO10uH

L709-*1

NRS6045T100MMGK

Audio_Coil_TAIYO10.0uH

L700-*1

NRS6045T100MMGKAudio_Coil_TAIYO

10.0uH

L706-*1

NRS6045T100MMGK

Audio_Coil_TAIYO10.0uH

L701-*1

NRS6045T100MMGK

Audio_Coil_TAIYO10.0uH

R727

5.1K

IC700

NTP7513

3DGND_PLL2VDD_PLL

4GND

1AGND_PLL

6DVDD5DGND

7SDATA

8WCK

9BCK

10SDA

11

SCL

12

FAULT

13

MONITOR_0

14

MONITOR_1

15

MONITOR_2

16

BST2B

17

PGND2B

18

OUT2B

19

PVDD2B

20

PVDD2A

21 OUT2A22 PGND2A23 BST2A24 VDR225 AGND26 VCC527 VDR128 BST1B29 PGND1B30 OUT1B

31

PVDD1B

32

PVDD1A

33

OUT1A

34

PGND1A

35

BST1A

36

RESET

37

AD

38

CLK_I

39

GND_IO

40

VDD_IO

41

[EP]GND

0.1uF

C737

50V

C711

22000pF

50V

+19V_AMP_VCC

R7131K

TP700

Q701

MMBT3904(NXP)E

B

C

TP701

C72222000pF50V

R70412

AMP_SCL

0.1uF

C738

50V

C7424.7uF50V

R703 100

C70833pF50V

JP705

R71712

R728

5.1K

HP_LOUT

Q705MMBT3904(NXP)

E

B

C

HP_MUTE

R730

5.1K

Q703

MMBT3904(NXP)

E

B

C

C72322000pF50V

C7030.01uF50V

OPT

VA70120V

AMP_RST

C730390pF50V

Q706MMBT3906(NXP)

E

B

C

0.1uFC712

50V

Q700MMBT3904(NXP)

E

B

C

R71512

+3.3V_AMP

0.1uFC740

50V

0.1uFC704

16V

OPT

JP707

C729390pF50V

C7091000pF50V

R711

1K

TP702

C7000.1uF16V

R71212

C710

22000pF

50V

0.1uF

C707

16V

0.1uF

C713

50V

C72110uF10V

R7143.3K

R70212

C72447uF25V

C7431uF25V

JK700KJA-PH-1-0177-2

3 M3_DETECT

4 M4

5 M5_GND

1 M1

6 M6

AUD_LRCK

AUD_LRCH

C7010.1uF16V

OPT

SB_MUTE

+19V

AUD_SCK

+3.3V_ST

C71810uF25V

VA70220V

D707

100V1N4148W

OPT

R7101K

D710

KDS226

A

AC

C

+3.3V_ST

JP700 R736

470

C7271uF25V

Q707MMBT3904(NXP)

E

B

C

0.1uF

C714

50V D705

100V1N4148W

OPT

R729

5.1K

C7061000pF

50V

R734

220K

D706

100V1N4148W

OPT

R7003.3

OPT

R709 100

0.1uFC739

50V

P700SMAW250-H04R

WAFER-ANGLE

1

2

3

4

HP_ROUT

C728390pF50V

C731390pF50V

JP702

D709MMBD6100

A2

C

A1

R733

10K

D700MMBD6100A2

C

A1

R72012

AUD_MASTER_CLK

+19V_AMP_VCC

R735220K

OPT

HP_DET

R707 100

R71812

C70533pF50V

VA703

20VOPT

SB_MUTE

C72010uF10V

JP706

R7390

1/16W5%

0x54

3K: With SCART MUTE BLOCK

12K:Without SCART MUTE BLOCK

SPK_R-

Pop-up noise killer

11.10.27

Headphone block

MUTE control

11.10.27

SPK_L-

SPK_R+

SPK_L+

2.7K->220K

Apply->OPT

AUDIO AMP

NC4_S7LRM

12.08.09

EAX65077401

2012.09.15

12.08.16Added by JCPark

12.11.071K->0 by JHShin to solve pop-noise issue

Copyright © 2013 LG Electronics. Inc. All rights reserved. Only for training and service purposes

LGE Internal Use Only

Page 27: 22LN450U, 457U

THERMAL

THERMAL

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FORTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. POWER

R800100K 1%

C847330pF50V

R898

180K

OPT

+3.3V_ST

L80610uH

C8680.01uF50V

C8190.47uF

16VOPT

+3.3V_ST

R831

8.2K

1%

+1.15V_VDDC

R8130

R881

0

IC806

MP1472GJ-C452-Z

3COMP

2EN

4FB

1SS

5GND

6SW

7IN

8BST

C88147pF50V

OPT

C845330pF50V

C8660.1uF50V

C8904.7uF10V

OPT

R801100K

C80210uF10V

MULTI_ON

C808150pF50V

OPT

C9060.1uF50V

OPT

R80610KOPT

C8070.1uF16V

R884180K

R8071K

OPT

C80310uF25V

JP800

C8100.1uF50V

R85147K 1%

C89710uF10V

OPT

L802 10uH

R8431K

+1.5V_DDR

R89147K

R804100K 1%

OPT

C8610.1uF50V

R8771

OPT

IC810AP2114H-2.5TRG1

GND

VOUTVIN

Q806MMBT3904(NXP)

E

B

C

L803 10uH

Q805PMV48XP

G

D

S

R832

1K 1%

C8160.1uF50V

R84010K

C891

1uF25V

+1.8V_TUNER

R8630

C8060.1uF50V

POWER_ON/OFF1

MULTI_ON

C8392.2uF50V

IC807

TJ4220GDP-ADJ

3VIN3

2EN2

4NC4

1NC_1

5NC_2

6VOUT

7ADJ/SENSE

8GND

9

[EP]GND

R8208.2K

C8431uF10V

+12V_PANEL_POWER

C8334700pF50V

+12V_Normal

C82047uF25V

C80410uF25V

C8950.1uF50V

C8821uF25V

C8460.22uF16V

R8024.7K

OPT

R8140

OPT

C8650.01uF50V

R870100K

JP801

C8300.01uF50V

R8600

IC802

MP1472GJ-C452-Z

3COMP

2EN

4FB

1SS

5GND

6SW

7IN

8BST

+12V_Normal

R89347K

IC800

MP1472GJ-C452-Z

3COMP

2EN

4FB

1SS

5GND

6SW

7IN

8BST

R84512K 1%

C85347uF25V

C8984.7uF10V

+3.3V_ST

R886

0

R82710K1%

R87310K

OPT

R87147

R83433K 1%

R856

0

C8350.033uF50V

+3.3V_Normal

MULTI_ON

C8180.1uF

50V

R84410K

1%

+3.3V_TUNER

C83610uF10V

C8090.1uF50V

OPT

R89247K

C8921uF10V

R82510K1%

R875

22K

POWER_ON/OFF1

R8190

C8110.47uF

16VOPT

+19V_AMP_VCC

R8080

R885

180K

R83815K

1%

OLP

C86010uF25V

+3.3V_AMP

R8570

C81247uF25V

R88847

C8670.1uF50V

OPT

C8418200pF25V

R864

0

C8940.1uF50V

OPT

C86410uF10V

L807

CPI2520NHL3R3ME 2520

3.3uH

C8630.1uF50V

R876

0

C8340.01uF

50V

C8990.1uF50V

OPT

+19V_SCART

C80010uF25V

D802

40V

SMAB34

C85610uF10V

Q804MMBT3904(NXP)

E

B

C

R809

10

IC803

AP1117E33G-13

2

OUT

3IN 1 ADJ/GND

Q803AO3407A

G

D

S

R866

0

+3.3V_AMP

C86210uF10V

OPT

Q802MMBT3904(NXP)

E

B

C

C8380.033uF50V

R803

36K

+5V_USB

R8490

5%

R8188.2K

C8130.47uF

16VOPT

R815

300K

R86947

R8552K 1%

+12V_Normal

C85910uF25V

OPT

C869220pF50V

R8651

R8260

R848220 1%

R8054.7K

R8174.7K

R83610K

JK800

KJA-DC-1-0032

1

2

4C8794.7uF10V

OPT

R81010K

IC809

MP1584EN

3COMP

2EN

4FB

1SW

5GND

6FREQ

7VIN

8BST

9

[EP]GND

C8250.01uF50V

+5V_Normal

R8240

R833

10K

1%

R868

0

C850150pF50V

OPT

R8124.7K

C85810uF10V

OPT

+2.5V_Normal

R8394.7K

R902

0

C89610uF10V

R811100K 1%

OPT

C8170.1uF

50VOPT

C80510uF10V

Q807AO3407A

G

D

S

L80510uH

R8221.8K

C80110uF25V

OPT

C85547uF25V

PANEL_CTL

R8721

+19V

C85247uF25V

C8324700pF50V

R830

0

R8790

R874

100

R82112K

C84010uF10V

R835120K

1%

POWER_ON/OFF1

C8370.1uF50V

R878

0

MULTI_ON

IC805

AP1117E18G-13

2

OUT

3IN 1 ADJ/GND

R88010K

R8412K1%

C84210uF10V

C8570.01uF50V

POWER_ON/OFF1

R882

0

R8460

5%

POWER_ON/OFF1

R84222K

+3.3V_Normal

C8140.1uF50V

R81668K

C8890.033uF50V

MULTI_ON

C8734700pF50V

C8780.47uF

16VOPT

R9044.7K

OPT

C8720.01uF50V

R90012K 1%

R894180K

C87610uF10V

OPT

R8874.7K 5%

C87010uF25V

R8958.2K

+19V

C87547uF25V

R8960

R89047

R9010

+5V_ST

R88933K 1%

IC808

MP1472GJ-C452-Z

3COMP

2EN

4FB

1SS

5GND

6SW

7IN

8BST

C8770.1uF50V

MHL_CD_SENSE

C8930.1uF50V

L801 10uH

C874330pF50V

R89710K1%

POWER_ON/OFF1

R903100K 1%

OPT

R89947K

8 12

6604->6601

11111610K->22K1K->100

12.03.08EAE61081701(25V)->EAE52158501(10V)

11.11.281.2K->2K

12.03.08EAE42868301(3225)->EAE61081701(3216)

12.03.08EAE42868301(3225)->EAE61081701(3216)

11112947uF DEL

1000Hr->2000Hr

12.03.08EAE42868301(3225)->EAE61081701(3216)

11.11.290.047uF->0.033uF150K->180K

11.10.27

12.03.08EAE42868301(3225)->EAE61081701(3216)

11.11.29Diode DEL0DSKE00048A

10K->22K

11.11.070->47K

PANEL POWER CONTROL

11.12.01LDO changeEAN56716601 (5A)->EAN54428101 (1A)

Not used : only for small(ready)

11.11.070->47

11.12.20LDO changeEAN54428101 (1A) adj->EAN54428601 (1A) 3.3v

11.11.15

11.11.070->47

11.11.070->47K

111116Panel switch deletion111201Panel switch recover

AMP_VCC Control

11.10.27

AMP_VCC

11.11.140CE476WH6DC(1000hr)->EAE61423901(2000hr)

11.10.27

AO3407A Vgs : 10.8V(24V input)

11.11.140CE476WH6DC(1000hr)->EAE61423901(2000hr)

3.3V TO 1.5V LDO

11.11.05

11.11.140CE476WH6DC(1000hr)->EAE61423901(2000hr)

AO3407A Vgs : 10.36V(19V input)

POWER_ON/OFF1VOLTAGE HIGHER

11.11.142200pF->4700pF10K->8.2K150pF->330pF

11.11.142200pF->4700pF10K->8.2K150pF->330pF

11.11.290.047uF->0.033uF150K->180K

111129Discharging R DEL(0RJ2201J674)

19V TO 5V DCDC CONVERTER

111116EBK61011501(Diode)->EBK38029201(Rohm)->EBK61913601(NXP) 3.3V drive

11.11.07

EAX65077401

11.11.070->47

11.11.070->47K

11.11.07R822 68K->1.8KC841 4700pF->8200pF

5V TO 1.15V DCDC CONVERTER

M1 Core

11.11.140CE476WH6DC(1000hr)->EAE61423901(2000hr)

11.11.070.1uF->0.22uF

12.07.17ZXMP3F30FHTA->AO3407A

2012.08.25NC4_S7LRM

12.08.10

560->220

10K->8.2K

2012.08.12R835 : 33k -> 120kR846 : 12K -> 0

19V TO 12V DCDC CONVERTER

120915MP1584->MP1472

12.03.08EAE61081701(25V)->EAE52158501(10V)

11.11.070->47K

11.11.142200pF->4700pF10K->8.2K150pF->330pF

12.03.08EAE42868301(3225)->EAE61081701(3216)

19V TO 5V DCDC FOR MHL

11.11.140CE476WH6DC(1000hr)->EAE61423901(2000hr)

11.11.070->47

11.11.290.047uF->0.033uF150K->180K

Copyright © 2013 LG Electronics. Inc. All rights reserved. Only for training and service purposes

LGE Internal Use Only

Page 28: 22LN450U, 457U

THERMAL

THERMAL

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FORTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LED DRIVER 11 12

C11150.1uF50VOPT

R110851K

1/16W

R110930K

1/16W

WLED_ENABLE

C11221uF25V

JP1104

R1103

10K

1/16W

ERROR_OUT

R1121100

D1103

100V

BR210

P1101

SM14B-SRSS-TB

24V

24V

24V

24V

24V

GND

GND

GND

GND

GND

ERROR_OUT

INV_ON

NC

PWN_DIM

GND

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

R1129100K1%

C11271uF100V

R11133.3

1/16W

C11281uF100V

C11291uF100V

OPT

R1131

39K 1%

IC1101TPS40210DGQR

3DIS/EN

2SS

4COMP

1RC

5FB

6GND

7ISNS

8GDRV

9BP

10VDD

11

[EP]

+24V_BLU

Q1101AOD478

S

D

G

C11320.1uF16V

C11172200pF50V

VOUT

+3.3V_ST

BLU_CURRENT_CTL

C111310uF25V

P1100

05002HR-H12J05

1

2

3

4

5

6

7

8

9

10

11

12

13

C11301uF100V

OPT

JP1107

R1110100

1/16W

OPT

JP1110

L110133uH

+19V

R1132

220K 1%

JP1108

R110210K

C11391uF50V

OPTR1107220K

1/16W

D1101

100V

BR210

WLED_DIM_ADJ

R1112

0 1/16W

OPT

JP1088

JP1109

C1134100pF50V

R1104

470K1/16W

R1122100K

R112524K

1%

C11141000pF50V

C1116100pF50V

Q1102MMBT3904(NXP)

E

B

C

C113668uF35V

L110010uH

C11331uF10V

OPT

R1127100

C1125

0.047uF25V

C11260.22uF

16V

+24V_BLU

C1111100pF50V

C11381uF50V

C11311uF10V

MULTI_ON

WLED_DIM_ADJ

Q1103AOD478

S

D

G

JP1106

C111247uF25V

C11371uF50V

R11370.1

1W1%

JP1100

R1133

1.5K 1%

JP1102

R1134

30K 1%

R1115

0.1

1W

WLED_ENABLE

C113568uF35V

R1135

1.5K 1%

R1106

1.5K

1/16W

R1136 0

JP1105

C112047pF50V

R110510K

1/16W

C1119100pF

50V

R1114

0.1

1W

VOUT

C11214.7uF50V

R11241.5K1%

R11014.7K

R1123100K

1%

R1100510K

1/8W1% R1128

22K1%

R11111K

1/16W

C1123

4700pF50V

C111847uF25V

JP1103

+19V

JP1111

C112433uF100V

JP1101

IC1100DT1641AS

3NC_1

2OVP

4PGND_1

1EN

6PDIM

5PGND_2

7RISET

8LS8

9LS7

10LS6

11LS5

12NC_2

13LGND

14LS4

15LS3

16LS2

17LS1

18RT

19COMP

20RSS

21NDRV

22CS

23VREF

24VIN

25

[EP]GND

11.11.29Diode change canceled(111202)EAH61112701->EAH61533501

11.10.27Parallel 0ohm DEL

11.11.151000pF->100pF

11.12.0222uF 2EA->47uF 1EAEAE60365101->EAE61423901LED DRIVER 11.11.15

1K->100ohm1000pF->100pF

12.03.08EAE61103401 2.2uF MLCC 1ea(3225)->EAE61381601 1uF MLCC 2ea(3216)

11.11.290DSKE00048A Diode DEL

12.01.10Main AOD478Sub AP18T10GH

NC4_S7LRM

12.07.03 To improve backlight blinkingC1103 47pF->2200pFC1105 47pF->ApplyR1103 18K->470K

12.05.17C1110 EAE62721801 33uF,C1111 0CH8106J691 10uF-> EAE60171701 68uF 2EA

12.05.17 To improve audible noiseC1103 2200pF->47pFC1105 47pF->OPT

12.08.1124K->22K

12.08.11270K+270K->510K 2012size

EAX65077401

2012.08.25

12.10.16EAN62407801->EAN62656301

Copyright © 2013 LG Electronics. Inc. All rights reserved. Only for training and service purposes

LGE Internal Use Only

Page 29: 22LN450U, 457U

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FORTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. DDR 12 12

A-MA8

B-MDQSL

A-MDQU7

A-MDQSUB

A-MDQU1 B-MDQU1

A-MDQL1

AVDD_DDR0

C1238

1uF

A-MDMU

B-MDMU

A-MDQSLB

AVDD_DDR0

R1201

1K1%

H5TQ2G63DFR-PBC IC1201-*4

DDR_2G_1600_HYNIX

A0N3

A1P7

A2P3

A3N2

A4P8

A5P2

A6R8

A7R2

A8T8

A9R3

A10/APL7

A11R7

A12/BCN7

A13T3

NC_5M7

BA0M2

BA1N8

BA2M3

CKJ7

CKK7

CKEK9

CSL2

ODTK1

RASJ3

CASK3

WEL3

RESETT2

DQSLF3

DQSLG3

DQSUC7

DQSUB7

DMLE7

DMUD3

DQL0E3

DQL1F7

DQL2F2

DQL3F8

DQL4H3

DQL5H8

DQL6G2

DQL7H7

DQU0D7

DQU1C3

DQU2C8

DQU3C2

DQU4A7

DQU5A2

DQU6B8

DQU7A3

VREFCAM8

VREFDQH1

ZQL8

VDD_1B2

VDD_2D9

VDD_3G7

VDD_4K2

VDD_5K8

VDD_6N1

VDD_7N9

VDD_8R1

VDD_9R9

VDDQ_1A1

VDDQ_2A8

VDDQ_3C1

VDDQ_4C9

VDDQ_5D2

VDDQ_6E9

VDDQ_7F1

VDDQ_8H2

VDDQ_9H9

NC_1J1

NC_2J9

NC_3L1

NC_4L9

NC_6T7

VSS_1A9

VSS_2B3

VSS_3E1

VSS_4G8

VSS_5J2

VSS_6J8

VSS_7M1

VSS_8M9

VSS_9P1

VSS_10P9

VSS_11T1

VSS_12T9

VSSQ_1B1

VSSQ_2B9

VSSQ_3D1

VSSQ_4D8

VSSQ_5E2

VSSQ_6E8

VSSQ_7F9

VSSQ_8G1

VSSQ_9G9

B-MDQU4

B-MA11

B-MVREFCA

A-MRESETB

C1236 0.1uFA-MBA0

B-MA0

A-MDQSU

C1202 1000pF

R1238

56

1%

B-MDQSUB

B-MA4

A-MDQL4

A-MDQU5

R123210K

A-MDQL0

AVDD_DDR0

B-MDQL6

C1241

1uF

B-MDQL7

B-MWEB

A-MDQU5

B-MBA0

B-MA14

A-MDQSL

R1235

56 1%

B-MRESETB

K4B1G1646G-BCK0IC1201

DDR_1600_SS

EAN61836301

A0N3

A1P7

A2P3

A3N2

A4P8

A5P2

A6R8

A7R2

A8T8

A9R3

A10/APL7

A11R7

A12/BCN7

A13T3

NC_5M7

BA0M2

BA1N8

BA2M3

CKJ7

CKK7

CKEK9

CSL2

ODTK1

RASJ3

CASK3

WEL3

RESETT2

DQSLF3

DQSLG3

DQSUC7

DQSUB7

DMLE7

DMUD3

DQL0E3

DQL1F7

DQL2F2

DQL3F8

DQL4H3

DQL5H8

DQL6G2

DQL7H7

DQU0D7

DQU1C3

DQU2C8

DQU3C2

DQU4A7

DQU5A2

DQU6B8

DQU7A3

VREFCAM8

VREFDQH1

ZQL8

VDD_1B2

VDD_2D9

VDD_3G7

VDD_4K2

VDD_5K8

VDD_6N1

VDD_7N9

VDD_8R1

VDD_9R9

VDDQ_1A1

VDDQ_2A8

VDDQ_3C1

VDDQ_4C9

VDDQ_5D2

VDDQ_6E9

VDDQ_7F1

VDDQ_8H2

VDDQ_9H9

NC_1J1

NC_2J9

NC_3L1

NC_4L9

NC_6T7

VSS_1A9

VSS_2B3

VSS_3E1

VSS_4G8

VSS_5J2

VSS_6J8

VSS_7M1

VSS_8M9

VSS_9P1

VSS_10P9

VSS_11T1

VSS_12T9

VSSQ_1B1

VSSQ_2B9

VSSQ_3D1

VSSQ_4D8

VSSQ_5E2

VSSQ_6E8

VSSQ_7F9

VSSQ_8G1

VSSQ_9G9

B-MCKB

A-MA0

A-MRESETB

C1204 1000pF

A-MBA0

A-MVREFDQ

A-MDQU0

B-MRASB

+1.5V_DDR

A-MWEB

AVDD_DDR0

B-MDQU5

A-MA13

R1226

2401%

L1202CIC21J501NE

B-MA9

B-MA2

B-MDQU5

A-MA2

B-MCKB

B-MODT

C1235 0.1uF

A-MBA2

B-MDQSLB

A-MA10

B-MDQU2

A-MODT

A-MDQL5

A-MDQU3

C1215 0.1uF

B-MVREFDQ

B-MA11

C1214 0.1uF B-MBA1

A-MA14

A-MCK

R1203

2401%

A-MA13

B-MDQU3

A-MCK

B-MA1

C1220

0.1uF

OPT

C1232 0.1uF

C1251

10uF

A-MA11

B-MDQU0

B-MA5

A-MVREFCA

B-MA9

B-MCK

B-MDQL3

B-MA10

C1206

0.1uF

A-MDQU7

R1205

1K

1%

B-MDQU6

A-MDML

A-MDQU0

B-MA3

A-MA10

A-MRASB

B-MA8

B-MDQU2

B-MCKE

A-MVREFCA

C1213 0.1uF

B-MDQSLB

H5TQ1G63EFR-PBC IC1201-*1

DDR_1600_HYNIX_9003(DEV)

A0N3

A1P7

A2P3

A3N2

A4P8

A5P2

A6R8

A7R2

A8T8

A9R3

A10/APL7

A11R7

A12/BCN7

NC_7T3

NC_5M7

BA0M2

BA1N8

BA2M3

CKJ7

CKK7

CKEK9

CSL2

ODTK1

RASJ3

CASK3

WEL3

RESETT2

DQSLF3

DQSLG3

DQSUC7

DQSUB7

DMLE7

DMUD3

DQL0E3

DQL1F7

DQL2F2

DQL3F8

DQL4H3

DQL5H8

DQL6G2

DQL7H7

DQU0D7

DQU1C3

DQU2C8

DQU3C2

DQU4A7

DQU5A2

DQU6B8

DQU7A3

VREFCAM8

VREFDQH1

ZQL8

VDD_1B2

VDD_2D9

VDD_3G7

VDD_4K2

VDD_5K8

VDD_6N1

VDD_7N9

VDD_8R1

VDD_9R9

VDDQ_1A1

VDDQ_2A8

VDDQ_3C1

VDDQ_4C9

VDDQ_5D2

VDDQ_6E9

VDDQ_7F1

VDDQ_8H2

VDDQ_9H9

NC_1J1

NC_2J9

NC_3L1

NC_4L9

NC_6T7

VSS_1A9

VSS_2B3

VSS_3E1

VSS_4G8

VSS_5J2

VSS_6J8

VSS_7M1

VSS_8M9

VSS_9P1

VSS_10P9

VSS_11T1

VSS_12T9

VSSQ_1B1

VSSQ_2B9

VSSQ_3D1

VSSQ_4D8

VSSQ_5E2

VSSQ_6E8

VSSQ_7F9

VSSQ_8G1

VSSQ_9G9

B-MDQL5

C1211 0.1uF

A-MDQL2

H5TQ2G63DFR-PBC IC1202-*4

DDR_2G_1600_HYNIX

A0N3

A1P7

A2P3

A3N2

A4P8

A5P2

A6R8

A7R2

A8T8

A9R3

A10/APL7

A11R7

A12/BCN7

A13T3

NC_5M7

BA0M2

BA1N8

BA2M3

CKJ7

CKK7

CKEK9

CSL2

ODTK1

RASJ3

CASK3

WEL3

RESETT2

DQSLF3

DQSLG3

DQSUC7

DQSUB7

DMLE7

DMUD3

DQL0E3

DQL1F7

DQL2F2

DQL3F8

DQL4H3

DQL5H8

DQL6G2

DQL7H7

DQU0D7

DQU1C3

DQU2C8

DQU3C2

DQU4A7

DQU5A2

DQU6B8

DQU7A3

VREFCAM8

VREFDQH1

ZQL8

VDD_1B2

VDD_2D9

VDD_3G7

VDD_4K2

VDD_5K8

VDD_6N1

VDD_7N9

VDD_8R1

VDD_9R9

VDDQ_1A1

VDDQ_2A8

VDDQ_3C1

VDDQ_4C9

VDDQ_5D2

VDDQ_6E9

VDDQ_7F1

VDDQ_8H2

VDDQ_9H9

NC_1J1

NC_2J9

NC_3L1

NC_4L9

NC_6T7

VSS_1A9

VSS_2B3

VSS_3E1

VSS_4G8

VSS_5J2

VSS_6J8

VSS_7M1

VSS_8M9

VSS_9P1

VSS_10P9

VSS_11T1

VSS_12T9

VSSQ_1B1

VSSQ_2B9

VSSQ_3D1

VSSQ_4D8

VSSQ_5E2

VSSQ_6E8

VSSQ_7F9

VSSQ_8G1

VSSQ_9G9

A-MDQSUB

B-MA5

B-MDQL7

B-MWEB

B-MDQU3

A-MODT

C1210 0.1uF

AVDD_DDR0

R1227

1K1%

C1231 0.1uF

B-MA12

A-MCASB

B-MA3

C1228 0.1uF

B-MDML

B-MBA1

B-MA13

C1233 0.1uFC1212 0.1uF

B-MDQL2

H5TQ1G63EFR-PBC IC1202-*1

DDR_1600_HYNIX_9003(DEV)

A0N3

A1P7

A2P3

A3N2

A4P8

A5P2

A6R8

A7R2

A8T8

A9R3

A10/APL7

A11R7

A12/BCN7

NC_7T3

NC_5M7

BA0M2

BA1N8

BA2M3

CKJ7

CKK7

CKEK9

CSL2

ODTK1

RASJ3

CASK3

WEL3

RESETT2

DQSLF3

DQSLG3

DQSUC7

DQSUB7

DMLE7

DMUD3

DQL0E3

DQL1F7

DQL2F2

DQL3F8

DQL4H3

DQL5H8

DQL6G2

DQL7H7

DQU0D7

DQU1C3

DQU2C8

DQU3C2

DQU4A7

DQU5A2

DQU6B8

DQU7A3

VREFCAM8

VREFDQH1

ZQL8

VDD_1B2

VDD_2D9

VDD_3G7

VDD_4K2

VDD_5K8

VDD_6N1

VDD_7N9

VDD_8R1

VDD_9R9

VDDQ_1A1

VDDQ_2A8

VDDQ_3C1

VDDQ_4C9

VDDQ_5D2

VDDQ_6E9

VDDQ_7F1

VDDQ_8H2

VDDQ_9H9

NC_1J1

NC_2J9

NC_3L1

NC_4L9

NC_6T7

VSS_1A9

VSS_2B3

VSS_3E1

VSS_4G8

VSS_5J2

VSS_6J8

VSS_7M1

VSS_8M9

VSS_9P1

VSS_10P9

VSS_11T1

VSS_12T9

VSSQ_1B1

VSSQ_2B9

VSSQ_3D1

VSSQ_4D8

VSSQ_5E2

VSSQ_6E8

VSSQ_7F9

VSSQ_8G1

VSSQ_9G9

B-MDQSUB

C1203

0.1uF

B-MA6

A-MBA1

A-MA7

B-MCASB

B-MDQU0

B-MDQSU

A-MA4

A-MA12

A-MA0

A-MA11

R1237

56

1%

B-MDQU7

R1225

1K

1%

A-MVREFDQ

A-MA1

R1236

56 1%

C1227 10uF

IC101MSD804KKX

S7LR-M_NON_MS10A_DDR3_A[0]

A11

A_DDR3_A[1]C14

A_DDR3_A[2]B11

A_DDR3_A[3]F12

A_DDR3_A[4]C15

A_DDR3_A[5]E12

A_DDR3_A[6]A14

A_DDR3_A[7]D11

A_DDR3_A[8]B14

A_DDR3_A[9]D12

A_DDR3_A[10]C16

A_DDR3_A[11]C13

A_DDR3_A[12]A15

A_DDR3_A[13]E11

A_DDR3_A[14]B13

A_DDR3_BA[0]F13

A_DDR3_BA[1]B15

A_DDR3_BA[2]E13

A_DDR3_MCLKC17

A_DDR3_MCLKZA17

A_DDR3_MCLKEB16

A_DDR3_ODTE14

A_DDR3_RASZB12

A_DDR3_CASZA12

A_DDR3_WEZC12

A_DDR3_RESETF11

A_DDR3_DQSLB19

A_DDR3_DQSLBC18

A_DDR3_DQSUB18

A_DDR3_DQSUBA18

A_DDR3_DQMLE15

A_DDR3_DQMUA21

A_DDR3_DQL[0]D17

A_DDR3_DQL[1]G15

A_DDR3_DQL[2]B21

A_DDR3_DQL[3]F15

A_DDR3_DQL[4]B22

A_DDR3_DQL[5]F14

A_DDR3_DQL[6]A22

A_DDR3_DQL[7]D15

A_DDR3_DQU[0]G16

A_DDR3_DQU[1]B20

A_DDR3_DQU[2]F16

A_DDR3_DQU[3]C21

A_DDR3_DQU[4]E16

A_DDR3_DQU[5]A20

A_DDR3_DQU[6]D16

A_DDR3_DQU[7]C20

B_DDR3_A[0]B23

B_DDR3_A[1]D25

B_DDR3_A[2]F22

B_DDR3_A[3]G22

B_DDR3_A[4]E24

B_DDR3_A[5]F21

B_DDR3_A[6]E23

B_DDR3_A[7]D22

B_DDR3_A[8]D24

B_DDR3_A[9]D21

B_DDR3_A[10]C24

B_DDR3_A[11]C25

B_DDR3_A[12]F23

B_DDR3_A[13]E21

B_DDR3_A[14]D23

B_DDR3_BA[0]G20

B_DDR3_BA[1]F24

B_DDR3_BA[2]F20

B_DDR3_MCLKG25

B_DDR3_MCLKZG23

B_DDR3_MCLKEF25

B_DDR3_ODTD20

B_DDR3_RASZB25

B_DDR3_CASZB24

B_DDR3_WEZA24

B_DDR3_RESETE20

B_DDR3_DQSLK24

B_DDR3_DQSLBK25

B_DDR3_DQSUJ21

B_DDR3_DQSUBJ20

B_DDR3_DQMLH24

B_DDR3_DQMUL20

B_DDR3_DQL[0]L23

B_DDR3_DQL[1]J24

B_DDR3_DQL[2]L24

B_DDR3_DQL[3]J23

B_DDR3_DQL[4]M24

B_DDR3_DQL[5]H23

B_DDR3_DQL[6]M23

B_DDR3_DQL[7]K23

B_DDR3_DQU[0]G21

B_DDR3_DQU[1]L22

B_DDR3_DQU[2]H22

B_DDR3_DQU[3]K20

B_DDR3_DQU[4]H20

B_DDR3_DQU[5]L21

B_DDR3_DQU[6]H21

B_DDR3_DQU[7]K21

C1205 10uF

C1207 0.1uF

A-MDQU4

A-MA4

A-MWEB

C1234 0.1uF

A-MDQL5

C1209

0.01uF50V

B-MCASB

B-MA12

R1224

1K1%

A-MCKB

A-MDQU2

AVDD_DDR0

A-MA5

A-MDQL6

B-MDQL0

A-MDQL3

A-MBA1

AVDD_DDR0

C1217

1uF

C1208 0.1uF

A-MCKB

B-MA7

B-MDQU7A-MDQU6

R123110K

A-MDML

A-MDQU1

B-MDQSL

A-MA6

A-MDQL3

B-MRESETB

A-MA3

B-MDQL4

A-MDQU3

B-MA0

B-MDQL5

R1202

1K

1%

B-MVREFDQ

B-MA4

A-MA9

B-MDML

C1248

0.1uF

A-MA2

A-MCKE

A-MDQL0

A-MDQL4

A-MRASB

B-MA13

C1219

1uF

A-MDQL2

C1216 0.1uF

B-MA8

C1218

1uF

B-MBA0B-MCK

A-MA6

B-MDQL1

C1247

1000pF

B-MA6

K4B2G1646E-BCK0 IC1202-*5

DDR_2G_1600_SS

A0N3

A1P7

A2P3

A3N2

A4P8

A5P2

A6R8

A7R2

A8T8

A9R3

A10/APL7

A11R7

A12/BCN7

A13T3

NC_5M7

BA0M2

BA1N8

BA2M3

CKJ7

CKK7

CKEK9

CSL2

ODTK1

RASJ3

CASK3

WEL3

RESETT2

DQSLF3

DQSLG3

DQSUC7

DQSUB7

DMLE7

DMUD3

DQL0E3

DQL1F7

DQL2F2

DQL3F8

DQL4H3

DQL5H8

DQL6G2

DQL7H7

DQU0D7

DQU1C3

DQU2C8

DQU3C2

DQU4A7

DQU5A2

DQU6B8

DQU7A3

VREFCAM8

VREFDQH1

ZQL8

VDD_1B2

VDD_2D9

VDD_3G7

VDD_4K2

VDD_5K8

VDD_6N1

VDD_7N9

VDD_8R1

VDD_9R9

VDDQ_1A1

VDDQ_2A8

VDDQ_3C1

VDDQ_4C9

VDDQ_5D2

VDDQ_6E9

VDDQ_7F1

VDDQ_8H2

VDDQ_9H9

NC_1J1

NC_2J9

NC_3L1

NC_4L9

NC_6T7

VSS_1A9

VSS_2B3

VSS_3E1

VSS_4G8

VSS_5J2

VSS_6J8

VSS_7M1

VSS_8M9

VSS_9P1

VSS_10P9

VSS_11T1

VSS_12T9

VSSQ_1B1

VSSQ_2B9

VSSQ_3D1

VSSQ_4D8

VSSQ_5E2

VSSQ_6E8

VSSQ_7F9

VSSQ_8G1

VSSQ_9G9

B-MDMU

A-MA7

A-MCKE

C1250

0.1uF

A-MDQSL

B-MDQL1

B-MDQL2

B-MODT

B-MA7

A-MDQU2

A-MDQL1 B-MDQL3

C1229 0.1uF

A-MDQU6

A-MDQSLB

A-MDQU4

A-MDQSUC1249

1000pF

B-MDQL6

C1239

0.1uF

B-MDQL4

A-MA14

A-MCASB

B-MCKE

K4B2G1646E-BCK0 IC1201-*5

DDR_2G_1600_SS

A0N3

A1P7

A2P3

A3N2

A4P8

A5P2

A6R8

A7R2

A8T8

A9R3

A10/APL7

A11R7

A12/BCN7

A13T3

NC_5M7

BA0M2

BA1N8

BA2M3

CKJ7

CKK7

CKEK9

CSL2

ODTK1

RASJ3

CASK3

WEL3

RESETT2

DQSLF3

DQSLG3

DQSUC7

DQSUB7

DMLE7

DMUD3

DQL0E3

DQL1F7

DQL2F2

DQL3F8

DQL4H3

DQL5H8

DQL6G2

DQL7H7

DQU0D7

DQU1C3

DQU2C8

DQU3C2

DQU4A7

DQU5A2

DQU6B8

DQU7A3

VREFCAM8

VREFDQH1

ZQL8

VDD_1B2

VDD_2D9

VDD_3G7

VDD_4K2

VDD_5K8

VDD_6N1

VDD_7N9

VDD_8R1

VDD_9R9

VDDQ_1A1

VDDQ_2A8

VDDQ_3C1

VDDQ_4C9

VDDQ_5D2

VDDQ_6E9

VDDQ_7F1

VDDQ_8H2

VDDQ_9H9

NC_1J1

NC_2J9

NC_3L1

NC_4L9

NC_6T7

VSS_1A9

VSS_2B3

VSS_3E1

VSS_4G8

VSS_5J2

VSS_6J8

VSS_7M1

VSS_8M9

VSS_9P1

VSS_10P9

VSS_11T1

VSS_12T9

VSSQ_1B1

VSSQ_2B9

VSSQ_3D1

VSSQ_4D8

VSSQ_5E2

VSSQ_6E8

VSSQ_7F9

VSSQ_8G1

VSSQ_9G9

R1204

1K1%

A-MA1

A-MA8

B-MDQU6

AVDD_DDR0 B-MRASB

B-MDQSU

A-MA3

B-MBA2

A-MDMUR1228

1K

1%

B-MBA2C1240

0.01uF50V

A-MA12

B-MDQU1

A-MDQL7

K4B1G1646G-BCK0IC1202

DDR_1600_SS

EAN61836301

A0N3

A1P7

A2P3

A3N2

A4P8

A5P2

A6R8

A7R2

A8T8

A9R3

A10/APL7

A11R7

A12/BCN7

A13T3

NC_5M7

BA0M2

BA1N8

BA2M3

CKJ7

CKK7

CKEK9

CSL2

ODTK1

RASJ3

CASK3

WEL3

RESETT2

DQSLF3

DQSLG3

DQSUC7

DQSUB7

DMLE7

DMUD3

DQL0E3

DQL1F7

DQL2F2

DQL3F8

DQL4H3

DQL5H8

DQL6G2

DQL7H7

DQU0D7

DQU1C3

DQU2C8

DQU3C2

DQU4A7

DQU5A2

DQU6B8

DQU7A3

VREFCAM8

VREFDQH1

ZQL8

VDD_1B2

VDD_2D9

VDD_3G7

VDD_4K2

VDD_5K8

VDD_6N1

VDD_7N9

VDD_8R1

VDD_9R9

VDDQ_1A1

VDDQ_2A8

VDDQ_3C1

VDDQ_4C9

VDDQ_5D2

VDDQ_6E9

VDDQ_7F1

VDDQ_8H2

VDDQ_9H9

NC_1J1

NC_2J9

NC_3L1

NC_4L9

NC_6T7

VSS_1A9

VSS_2B3

VSS_3E1

VSS_4G8

VSS_5J2

VSS_6J8

VSS_7M1

VSS_8M9

VSS_9P1

VSS_10P9

VSS_11T1

VSS_12T9

VSSQ_1B1

VSSQ_2B9

VSSQ_3D1

VSSQ_4D8

VSSQ_5E2

VSSQ_6E8

VSSQ_7F9

VSSQ_8G1

VSSQ_9G9

C1201

0.1uF

B-MA1

C1230 0.1uF

B-MA2

A-MA5

A-MDQL6

B-MDQL0

B-MA14

B-MVREFCA

A-MDQL7

B-MA10

A-MBA2

B-MDQU4

A-MA9

AVDD_DDR0

NC4_S7LRM

2G 16001G 1600

CLose to DDR3CLose to DDR3 CLose to Saturn7M IC CLose to Saturn7M IC

EAX65077401

2012.09.15

Copyright © 2013 LG Electronics. Inc. All rights reserved. Only for training and service purposes

LGE Internal Use Only

Page 30: 22LN450U, 457U

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FORTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. PCMCI 19 12

CI_DATA[6]

CI_ADDR[11]

CI_ADDR[14]

CI_ADDR[6]

CI_DATA[0]

FE_TS_DATA[0]

FE_TS_DATA[3]

FE_TS_DATA[7]

CI_DATA[2]

CI_ADDR[10]

CI_DATA[0-7]

CI_ADDR[0]

FE_TS_DATA[0-7]

CI_ADDR[13]

CI_DATA[0-7]

CI_DATA[0-7]

CI_ADDR[5]

FE_TS_DATA[4]

FE_TS_DATA[2]

PCM_D[7]

FE_TS_DATA[6]

CI_DATA[7]

CI_DATA[2]

CI_DATA[7]

CI_DATA[3]

CI_ADDR[2]

CI_ADDR[1]

CI_ADDR[9]

FE_TS_DATA[5]

PCM_D[1]

CI_DATA[1]

CI_ADDR[3]

CI_DATA[1]

PCM_D[0-7]

CI_DATA[4]

CI_ADDR[4]

PCM_D[3]

PCM_D[6]

CI_ADDR[12]

PCM_D[4]

PCM_D[0]

PCM_D[2]

CI_DATA[0]

CI_DATA[4]

PCM_D[5]CI_DATA[5]

CI_DATA[5]

CI_DATA[6]

CI_ADDR[7]

FE_TS_DATA[1]

CI_DATA[3]

CI_ADDR[8]

R191847

PCM_A[5]

C19070.1uF16V

R1927 33

/CI_CD2

PCM_A[1]

CI_ADDR[4]

R190410K

PCM_A[3]

GND

/PCM_CD

CI_DATA[0-7]

C19150.1uF16V

CI_MCLKI

C19130.1uF16V

L1902BLM18PG121SN1D

CI_MISTRT

R191547

C19120.1uF16V

OPT

R1925 100

/CI_CD2

R1919 47

R1933 22CI_DET

CI_MDI[1]

/PCM_WE

CI_TS_DATA[2]

CI_MDI[4]

IC190174LVC1G32GW

3GND

2A

4 Y

1B 5 VCC

+5V_Normal

AR1906 33

C19050.1uF

R1905 10K

CI_ADDR[1]

GND

+3.3V_CI

R1930 33

CI_ADDR[13]

CI_TS_DATA[7]

CI_MDI[1]

CI_MDI[7]

PCM_A[8]

PCM_D[0-7]

REG

NAND_EN

R1902 47

/PCM_OE

CI_IOWR

CI_ADDR[7]

AR1909 33

C19020.1uF

CI_ADDR[2]

CI_DET

CI_TS_SYNC

CI_ADDR[10]R191210K

OPT

R1929 33

/PCM_WAIT

+3.3V_CI

CI_ADDR[11]

PCM_A[14]

C19142pF50V

R1910 0

OPT

/PCM_CE

CI_MDI[3]

PCM_A[10]

+5V_Normal

FE_TS_CLK

CI_TS_VAL

CI_MDI[2]

R1932 22

CI_IORD

CI_MDI[5]

+3.3V_Normal

CI_ADDR[14]

FE_TS_SYNC

PCM_A[2]

CI_ADDR[12]

C19010.1uF

OPT

PCM_A[11]

CI_MIVAL_ERR

CI_MDI[3]

+3.3V_CI

CI_DATA[0-7]

CI_IORD

AR1905 33

FE_TS_VAL_ERR

CI_MCLKI

R190310K

C19090.1uF

CI_TS_CLK

CI_OE

Q1901MMBT3904(NXP)

E

B

C

GND

/PCM_IORD

AR190133

GND

CI_MDI[2]

PCM_A[4]

R192810K

CI_ADDR[8]

CI_OE

AR1908 33

CI_MDI[0]

+5V_Normal

+5V_Normal

R191422K

GND

R1920 100

PCM_5V_CTL

CI_MIVAL_ERR

PCM_A[6]

CI_MDI[5]

R1908100

R191310K

CI_ADDR[3]

PCM_RST

CI_TS_DATA[6]

AR1913 33

AR1903 33

CI_MDI[7]

CI_MISTRT

+5V_CI_ON

R191110K

CI_MDI[6]

CI_ADDR[5]

R192310K

OPT

+5V_CI_ON

CI_TS_DATA[1]

C19114.7uF10V

R19090

OPT

C19100.1uF16V

GND

L1901BLM18PG121SN1D

PCM_A[9]

PCM_A[7]

Q1902AO3407A

G

DS AR1912 33

R1916 0

OPT

R1906 10K

IC190274LVC245A

3A1

2A0

4A2

1DIR

6A4

5A3

7A5

8A6

9A7

10GND

11B7

12B6

13B5

14B4

15B3

16B2

17B1

18B0

19OE

20VCC

R19222.2K

CI_MDI[4]

CI_ADDR[6]

R1901 47

PCM_A[0]

AR1907 33

CI_ADDR[0]

REG

FE_TS_DATA[0-7]

+5V_Normal

/CI_CD1

+3.3V_CI

C190610uF10V

PCM_A[13]

CI_TS_DATA[0]

R192410K

GND

CI_IOWR

R191710K

R192110K

P1900

10067972-000LF

EAG41860102

G1G2

57

21

52

16

10

47

41

5

36

59

23

45

54

18

49

43

13

7

38

2

25

56

20

51

15

9

46

40

4

35

58

22

53

17

11

48

42

12

6

37

1

24

55

19

50

44

14

8

39

3

2660

2761

2862

2963

3064

31

32

33

34

65

66

67

68

69

CI_WE

R1931 100

CI_TS_DATA[4]

CI_ADDR[9]

R1926 33

R1907100

/PCM_REG

C19030.1uF16V

/PCM_IOWR

CI_ADDR[0-14]

CI_MDI[0]

CI_WE

CI_TS_DATA[5]

C19040.1uF16V

CI_MDI[6]

PCM_A[12]

/PCM_IRQA

C19080.1uF16V

CI_TS_DATA[3]

/CI_CD1

CI TS INPUT

CI SLOT

CI HOST I/F

* Option name of this page : CI_SLOT

CI Region(because of Hong Kong)

CI POWER ENABLE CONTROL

CLOSE TO MSTAR

CI DETECT

NC4_S7LRM

EAX65077401

2012.09.15

CLOSE TO MSTAR

120915ADDED

CLOSE TO MSTAR

120915ADDED

120915ADDED

120915 BufferIC change0ITO742440D->0ISTLPH048A

OE

H

DIR

L

L INPUT

HIGH-Z

CI ADDRESS

HIGH-Z

OUTPUTH INPUT

NAND ADDRESS

X

L OUTPUT

120915 Array->normal resistor

Copyright © 2013 LG Electronics. Inc. All rights reserved. Only for training and service purposes

LGE Internal Use Only

Page 31: 22LN450U, 457U

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FORTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. TUNER_EU 26 12

+3.3V_TU

C265120pF50V

IF_P_MSTAR

C2626

0.1uF16VA_DEMODE

R2609-*1MLG1005SR27JT

TU_I2C_FILTER

C2602100pF50V

C26030.1uF16VRF_SW_OPT

IF_AGC_SEL

R26362KNON_A_DEMODE

C2627100uF16VOPT

R2614100K

Q2601MMBT3906(NXP)

A_DEMODE

E

B

C

C264322uF10V

+3.3V_TU

TU_SDA

C2621100pF50V

+3.3V_TUNER

C2600

0.1uF16V

TU_SIF

R2618470

A_DEMODE

R26030

RF_SW_OPT

TU_CVBS

R2611100

C26480.1uF16V

C2623

0.1uF16V

R2635680

NON_A_DEMODE

R28701K

Q2600MMBT3906(NXP)

A_DEMODEE

B

C

R2638 0

A_DEMODE

C26440.1uF16V

C2628100uF16VOPT

R2610TU_I2C_NON_FILTER

33

C26040.1uF16V

C26220.1uF16V

R2610-*1MLG1005SR27JT

TU_I2C_FILTER

TU2600

TDSS-G501D

53.3V

11DLIF[N]

2RESET

10DLIF_[P]

4SDA

1NC

9IF_AGC

8ALIF_[P]

3SCL

71.8V

6ALIF_[N]

12

SHIELD

A1A1

B1B1

+3.3V_TU

R261982

A_DEMODE

R26080

C265220pF50V

TU_SCL

LNA2_CTL

R26164.7K

A_DEMODE

+1.8V_TUNER

R26020

+3.3V_TU

C26240.1uF16V

OPT

C260720pF50V

TUNER_RESET

IF_AGC_MAIN

+3.3V_TU

RF_SWITCH_CTL

C264622uF10V

R26010

L2606

CIS21J121

R28711K

R2637680NON_A_DEMODE

IF_N_MSTAR

R2625220

A_DEMODE

+3.3V_TU

R2609TU_I2C_NON_FILTER

33

C261220pF50V

DEMOD_RESET

R2624220

A_DEMODE

This was being applied to the only china demod,so this has to be deleted in both main and ISDB sheet.

NETCAST4.0 EU(DVB-T/C)_TUNER_BLOCK

should be guarded by ground

Close to TUNER

close to TUNER

NC4_S7LRM

EAX65077401

2012.09.15

12.08.14 diagonal noise improve

Copyright © 2013 LG Electronics. Inc. All rights reserved. Only for training and service purposes

LGE Internal Use Only

Page 32: 22LN450U, 457U

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FORTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. SCART&COMP 28 12

GP4L_S7LR2

C282947pF50V

COMP_ADC_FILTER

R281310K

SCART JACK

IC2800SN324

SCART JACK

3

NON_INV_IN1

2INV_IN1

4VCC

1OUT1

6INV_IN2

5NON_INV_IN2

7OUT2

8OUT3

9INV_IN3

10NON_INV_IN3

11GND

12NON_INV_IN4

13INV_IN4

14OUT4

R281415K

SCART JACK

C2824 33pFSCART JACK

D280020V

OPT

R2854

10K

SCART JACK

C283247pF50V

SCART_ADC_FILTER

JP2807

L2807CM2012FR10KT

COMP_ADC_FILTER_L

COMP_DET

C28111000pF50V

R281912K

SCART JACK

R28462.2K

SCART JACK

R283110K

DTV/MNT_L_OUT

JP2808

JK2801PSC008-01

SCART JACK

1

AUDIO_R_OUT2

AUDIO_R_IN3

AUDIO_L_OUT4

AUDIO_GND5

B_GND6

AUDIO_L_IN7

B_OUT8

ID9

G_GND10

D2B_IN11

G_OUT

12D2B_OUT

13R_GND

14RGB_GND

15R_OUT

16RGB_IO

17SYNC_GND1

18SYNC_GND2

19SYNC_OUT

20SYNC_IN

21COM_GND

22AV_DET

R284410K

OPT(EU_SCART mute)

+19V_SCART

R283710K

SCART1_Rout

D28155.6V

OPT

JP2814

R283510KSCART JACK

C2802220pF50V

OPT

C28084700pF

OPT

0R2809

SCART JACK

C28170.1uF50V

R285233K

SCART JACK

R2851

470K

OPT

L2806-*10

COMP_NON_ADC_FILTER

C2819330pF

SCART JACK

D280320V

SCART JACK

JK2800PPJ234-05

5A

[GN]O-SPRING6A

[GN]E-LUG

4A

[GN]CONTACT

7B

[BL]E-LUG-S

5B

[BL]O-SPRING

7C

[RD]E-LUG-S

5C

[RD]O-SPRING_1

4C

[RD]CONTACT_1

5D [WH]O-SPRING

4E [RD]CONTACT_2

5E [RD]O-SPRING_2

6E [RD]E-LUG

SCART1_MUTE

L2808CM2012FR10KT

SCART_ADC_FILTER_L

R2856200

SCART JACK

SC1_R+

COMP_Y+/AV_CVBS_IN

D281220V

C283447pF50V

SCART_ADC_FILTER

R28381K

JP2801

MMBT3904(NXP)Q2802

OPT(EU_SCART mute)

+3.3V_Normal

R28084.7K

SCART JACK

C282110uF10V

SCART JACK

DTV/MNT_R_OUT

C28130.1uF16V

R280775

SCART JACK

R284110K

L2810-*10

SCART_NON_ADC_FILTER

R2826470K

R2858100

SCART JACK

D28175.6V

OPT

R2802

75

SCART JACK

L2805CM2012FR10KT

COMP_ADC_FILTER_L

C281247uF25V

SCART JACK

C2820330pF

SCART JACK

R2850

470K

OPT

COMP_L_IN

COMP_R_IN

D280620V

OPT

C282547pF50V

COMP_ADC_FILTER

C282333pF

SCART JACK

SCART1_DET

R28200

SCART JACK

C283347pF50V

SCART_ADC_FILTER

C281410uF25V

SCART JACK

Q2800MMBT3906(NXP)

SCART JACK E

B

C

R28392K

OPT(EU_SCART mute)

5.6V

OPTD2816

SC1_R_IN

D28185.6V

OPT

R2804470K

SCART JACK

R2821200

SCART JACK

SC1_L_IN

R2828470

SCART JACK

C28160.1uF

OPT(EU_SCART mute)

R28421K

+3.3V_Normal

Q2804MMBT3906(NXP)

OPT(EU_SCART mute)

1

2

3R28402K

OPT(EU_SCART mute)

JP2803

+3.3V_ST

D281420V

L2808-*10

SCSRT_NON_ADC_FILTER

C282647pF50V

COMP_ADC_FILTER

R281812K

SCART JACK

D281120VSCART JACK

R2805470K

SCART JACK

L2805-*10

COMP_NON_ADC_FILTER

R283312K

R2845220K

SCART JACK

R2825470K

R281210K

SCART JACK

D280220V

OPT

R282375

COMP_Pr+

R28495.6K

SCART JACK

+19V_SCART

C2804

1000pF50V

OPT

R282475

R2857360

SCART JACK

R283412K

C28074700pF

OPT

L2809-*10

SCART_NON_ADC_FILTER

JP2811

R28485.6K

SCART JACK

R281675

SCART JACK

R280675

SCART JACK

SC1_ID

JP2809

+3.3V_Normal

D2819MMBD6100

OPT(EU_SCART mute)

A2

C

A1

SC1_FB

R285333K

SCART JACK

D281020V

OPT

DTV/MNT_VOUTJP2802

DTV/MNT_L_OUT

JP2810

L2807-*10

COMP_NON_ADC_FILTER

C28150.1uF50V

SCART JACK

C280047pF50V

SCART JACK

C282210uF10V

SCART JACK

R28101K

SCART JACK

DTV/MNT_R_OUT

C282747pF50V

COMP_ADC_FILTER

SCART1_MUTE

JP2804

SC1_SOG_IN

D281320V

SB_MUTE

R28002K

SCART JACK

JP2805

SC1_B+

L2809CM2012FR10KT

SCART_ADC_FILTER_L

Q2801MMBT3904(NXP)

SCART JACK

E

B

C

D280820V

OPT

C283547pF50V

SCART_ADC_FILTER

R282275

R280375

SCART JACK

R283210K

R282947K

SCART JACK

L2810CM2012FR10KT

SCART_ADC_FILTER_L

SC1_G+

D280720V

OPT

D280520V

SCART JACK

JP2813

R283610K

SCART JACK

R28173.9K

SCART JACK

L2806CM2012FR10KT

COMP_ADC_FILTER_L

C283147pF50V

SCART_ADC_FILTER

JP2815

C2803

1000pF50V

OPT

C28180.1uF

50VSCART JACK

R2827180

SCART JACK

JP2800

DTV/MNT_R_OUT

R283015K

SCART JACK

SC1_CVBS_IN

C282847pF50V

COMP_ADC_FILTER

MMBT3904(NXP)Q2803

OPT(EU_SCART mute)

R28472.2K

SCART JACK

AV_CVBS_DET

SCART1_Lout

JP2812

JP2806

R281522

SCART JACK

DTV/MNT_L_OUT

Q2806MMBT3906(NXP)

SCART JACK

1

2

3

COMP_Pb+

R2855

10K

SCART JACK

C28101000pF50V

D280120V

SCART JACK

C283047pF50V

COMP_ADC_FILTER

C2809100uF16V

SCART JACK

R281175

SCART JACK

D280920V

OPT

C283647pF50V

SCART_ADC_FILTER

D280420V

SCART JACK

R2843220K

SCART JACK

MMBT3904(NXP)

Q2805

SCART JACK

C2806

1000pF50V

SCART JACK

C28051000pF50V

SCART JACK

FULL SCART

COMPONENT&CVBS

RgRf

[SCART AUDIO MUTE]

SCART AMP

SCART / COMPONENT&CVBS

Gain=1+Rf/Rg

EAX65077401

2012.09.15

120927OPT->APPLY

120927OPT->APPLY

120927OPT->APPLY

120927OPT->APPLY

120927OPT->APPLY

120927OPT->APPLY

120927OPT->APPLY

121107 OPT->APPLYTo solve EMS Issue

121107 OPT->APPLYTo solve EMS Issue

121107 OPT->APPLYTo solve EMS Issue

121107 OPT->APPLYTo solve EMS Issue

Copyright © 2013 LG Electronics. Inc. All rights reserved. Only for training and service purposes

LGE Internal Use Only

Page 33: 22LN450U, 457U