lg_22ld330-mb_chassis_lp91h_[et]

27
LCD TV SERVICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. CHASSIS : LP91H MODEL : 22LD330 22LD330-MB North/Latin America http://aic.lgservice.com Europe/Africa http://eic.lgservice.com Asia/Oceania http://biz.lgservice.com Internal Use Only Printed in Korea P/NO : MFL63285202 (1003-REV00)

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Page 1: lg_22ld330-mb_chassis_lp91h_[ET]

LCD TVSERVICE MANUAL

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

CHASSIS : LP91H

MODEL : 22LD330 22LD330-MB

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

Internal Use Only

Printed in KoreaP/NO : MFL63285202 (1003-REV00)

Page 2: lg_22ld330-mb_chassis_lp91h_[ET]

LGE Internal Use OnlyCopyright © 2010 LG Electronics. Inc. All right reserved. Only for training and service purposes

- 2 -

CONTENTS

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

SPECIFICATION ....................................................................................... 3

ADJUSTMENT INSTRUCTION ................................................................ 7

TROUBLE SHOOTING ........................................................................... 14

BLOCK DIAGRAM.................................................................................. 17

EXPLODED VIEW .................................................................................. 18

SVC. SHEET ...............................................................................................

Page 3: lg_22ld330-mb_chassis_lp91h_[ET]

LGE Internal Use OnlyCopyright © 2010 LG Electronics. Inc. All right reserved. Only for training and service purposes

- 3 -

SAFETY PRECAUTIONS

Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in theSchematic 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 preventShock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer.

General Guidance

An isolation Transformer should always be used during theservicing of a receiver whose chassis is not isolated from the ACpower line. Use a transformer of adequate power rating as thisprotects the technician from accidents resulting in personal injuryfrom electrical shocks.

It will also protect the receiver and it's components from beingdamaged by accidental shorts of the circuitry that may beinadvertently 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 10mm 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 exposedmetallic parts of the cabinet, such as antennas, terminals, etc., tobe sure the set is safe to operate without damage of electricalshock.

Leakage Current Cold Check(Antenna Cold Check)With the instrument AC plug removed from AC source, connect anelectrical jumper across the two AC plug prongs. Place the ACswitch in the on position, connect one lead of ohm-meter to the ACplug prongs tied together and touch other ohm-meter lead in turn toeach exposed metallic parts such as antenna terminals, phonejacks, etc. If the exposed metallic part has a return path to the chassis, themeasured resistance should be between 1 MΩ and 5.2 MΩ. When the exposed metal has no return path to the chassis thereading must be infinite.An other abnormality exists that must be corrected before thereceiver 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 capacitorbetween a known good earth ground (Water Pipe, Conduit, etc.)and the exposed metallic parts.Measure the AC voltage across the resistor using AC voltmeterwith 1000 ohms/volt or more sensitivity.Reverse plug the AC cord into the AC outlet and repeat AC voltagemeasurements for each exposed metallic part. Any voltagemeasured must not exceed 0.75 volt RMS which is corresponds to0.5 mA.In case any measurement is out of the limits specified, there ispossibility of shock hazard and the set must be checked andrepaired before it is returned to the customer.

Leakage Current Hot Check circuit

1.5 Kohm/10W

To Instrument’sexposed METALLIC PARTS

Good Earth Groundsuch as WATER PIPE,CONDUIT etc.

AC Volt-meter

When 25A is impressed between Earth and 2nd Groundfor 1 second, Resistance must be less than 0.1*Base on Adjustment standard

IMPORTANT SAFETY NOTICE

0.15 uF

Ω

Page 4: lg_22ld330-mb_chassis_lp91h_[ET]

LGE Internal Use OnlyCopyright © 2010 LG Electronics. Inc. All right reserved. Only for training and service purposes

- 4 -

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

4. Electrical specification

1. Application rangeThis spec sheet is applied to LCD TV used LP91H chassis.

2. SpecificationEach part is tested as below without special appointment.

1) Temperature : 25 ºC ± 5 ºC(77 ºF ± 9 ºF), CST : (40 ± 5) ºC2) 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 followedeach drawing and specif ication by part number inaccordance with BOM.

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

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

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

No. Item Specification Measurement Remark

1 Screen Size 55 cm(22 inch) wide Color Display Module Resolution : 1366*768

2 Aspect Ratio 16:9

3 LCD Module 55 cm(22 inch) TFT WXGA LCD

4 Operating Environment Temp. : 0 deg ~ 40 deg

Humidity : 0 % ~ 85 %

5 Storage Environment Temp. : -20 ~ 60 deg

Humidity : 0 % ~ 85 %

6 Input Voltage AC 100-240 V~ 50 / 60 Hz

26.05 W HD

7 LCD Module LGD 501 x 297 x 17.3 Outline Dimension

116.5 x 349.5 Pixel Pitch

4 CCFLs Backlight assembly

CMO 481.5 x 272.5 Outline Dimension

0.1165 x 0.3495 Pixel Pitch

4 CCFL Backlight assembly

Page 5: lg_22ld330-mb_chassis_lp91h_[ET]

- 5 - LGE Internal Use OnlyCopyright © 2010 LG Electronics. Inc. All right reserved. Only for training and service purposes

No. Item Min. Typ. Max. Unit Remark

1. Luminance (W/O PC mode) 185 250 cd/m2

2. VIew angle (R/L, U/D) 170 / 158 degree LGD

170 / 160 CMO

3. Color Coordinates White X Typ 0.285 Typ LGD (HD)

Y -0.03 0.293 +0.03

RED X 0.642

Y 0.333

Green X 0.295

Y 0.608

Blue X 0.147

Y 0.063

White X Typ 0.285 Typ CMO (HD)

Y -0.03 0.293 +0.03

RED X 0.644

Y 0.331

Green X 0.273

Y 0.588

Blue X 0.151

Y 0.061

4. Module Contrast ratio 700 1,000 LGD

750 1,000 CMO

5. Luminance Variation 1.3

5. Chroma& Brightness (Optical)(1) LCD Module

The Color Coordinates check condition - 50 cm from the surface, Full White Pattern- Picture mode Vivid

Page 6: lg_22ld330-mb_chassis_lp91h_[ET]

- 6 - LGE Internal Use OnlyCopyright © 2010 LG Electronics. Inc. All right reserved. Only for training and service purposes

No.Specification

Proposed RemarksResolution H-freq(kHz) V-freq(Hz) Pixel Clock(MHz)

1 640* 350 31.468 70.09 25.17 EGA

2 720* 400 31.469 70.09 28.32 DOS

3 640* 480 31.469 59.94 25.17 VESA( VGA)

4 800* 600 37.879 60.317 40 VESA( SVGA)

5 1024* 768 48.363 60.004 65 VESA( XGA)

6 1280* 768 47.776 59.87 79.5 VESA( WXGA)

7 1360* 768 47.72 59.799 84.75 VESA( WXGA)

8 1280* 1024 63.668 59.895 109.00 XGA Only FHD Model

9 1920* 1080 66.587 59.934 138.50 WUXGA(Reduced Blanking) Only FHD Model

7. RGB(Analog PC, RGB-DTV - NOT SUPPORT)

6. Component Video Input (Y, PB, PR)

No.Specification

RemarksResolution H-freq(kHz) V-freq(Hz) Pixel Clock(MHz)

1 720* 480 15.73 59.94 13.500 SDTV, DVD 480I( 525I)

2 720* 480 15.75 60.00 13.514 SDTV, DVD 480I( 525I)

3 720* 576 15.625 50.00 13.500 SDTV, DVD 576I( 625I) 50 Hz

4 720* 480 31.47 59.94 27.000 SDTV 480P

5 720* 480 31.50 60.00 27.027 SDTV 480P

6 720* 576 31.25 50.00 27.000 SDTV 576P 50 Hz

7 1280* 720 44.96 59.94 74.176 HDTV 720P

8 1280* 720 45.00 60.00 74.250 HDTV 720P

9 1280* 720 37.50 50.00 74.25 HDTV 720P 50 Hz

10 1920* 1080 28.125 50.00 74.250 HDTV 1080I 50 Hz,

11 1920* 1080 33.72 59.94 74.176 HDTV 1080I

12 1920* 1080 33.75 60.00 74.25 HDTV 1080I

13 1920* 1080 56.25 50 148.5 HDTV 1080P

14 1920* 1080 67.432 59.94 148.350 HDTV 1080P

15 1920* 1080 67.5 60.00 148.5 HDTV 1080P

Page 7: lg_22ld330-mb_chassis_lp91h_[ET]

- 7 - LGE Internal Use OnlyCopyright © 2010 LG Electronics. Inc. All right reserved. Only for training and service purposes

8. HDMI Input(PC)(PC-Spec. out but it can be shown the picture at only HDMI/ DVI IN 1 via DVI to HDMI Cable)

No. Resolution H-freq(kHz) V-freq.(Hz) Pixel clock(MHz) Proposed Remarks

1 640 x 480 31.469 59.94 25.17 VESA(VGA)

2 800 x 600 37.879 60.317 40.00 VESA(SVGA)

3 1024 x 768 48.363 60.004 65.00 VESA(XGA)

4 1280 x 768 47.776 59.87 79.5 VESA(WXGA)

5 1360 x 768 47.72 59.799 84.62 VESA(WXGA)

6 1366 x 768 47.7 60.00 84.62 WXGA

7 1280 x 1024 63.595 60.00 108.875 SXGA

8 1920 x 1080 66.647 59.988 138.625 WUXGA

9. HDMI Input(DTV)

No.Specification

Proposed RemarksResolution H-freq(kHz) V-freq(Hz) Pixel Clock(MHz)

1 720 x 480 15.73 59.94 13.500 SDTV, DVD 480I(525I) Spec. out

2 720 x 480 15.75 60.00 13.514 SDTV, DVD 480I(525I) but display.

3 720 x 576 15.625 50.00 13.500 SDTV, DVD 576I(625I) 50 Hz

4 720 x 480 31.47 59.94 27 SDTV 480P

5 720 x 480 31.5 60.00 27.027 SDTV 480P

6 720 x 576 31.25 50.00 27 SDTV 576P

7 1280 x 720 44.96 59.94 74.176 HDTV 720P

8 1280 x 720 45 60.00 74.25 HDTV 720P

9 1280 x 720 37.5 50.00 74.25 HDTV 720P

10 1920 x 1080 28.125 50.00 74.25 HDTV 1080I

11 1920 x 1080 33.72 59.94 74.176 HDTV 1080I

12 1920 x 1080 33.75 60.00 74.25 HDTV 1080I

13 1920 x 1080 56.25 50.00 148.5 HDTV 1080P

14 1920 x 1080 67.432 59.94 148.350 HDTV 1080P

15 1920 x 1080 67.5 60.00 148.5 HDTV 1080P

16 1920 x 1080 27 24.00 74.25 HDTV 1080P

17 1920 x 1080 33.75 30.00 74.25 HDTV 1080P

Page 8: lg_22ld330-mb_chassis_lp91h_[ET]

LGE Internal Use OnlyCopyright © 2010 LG Electronics. Inc. All right reserved. Only for training and service purposes

- 8 -

ADJUSTMENT INSTRUCTION

1. Application RangeThis specification sheet is applied to all of the LCD TV, LP91Hchassis.

2. Specification(1) Because this is not a hot chassis, it is not necessary to use

an isolation transformer. However, the use of isolationtransformer will help protect test instrument.

(2) Adjustment must be done in the correct order.(3) The adjustment must be performed in the circumstance of

25 °C ± 5 °C of temperature and 65 % ± 10 % of relativehumidity if there is no specific designation.

(4) The input voltage of the receiver must keep AC 100-220V~ 50 / 60 Hz.

(5) Before adjustment, execute Heat-Run for 5 minutes at RFno signal.

3. Adjustment items3.1. PCB assembly adjustment items

(1) Download the MSTAR main software(IC800, Mstar ISP Utility)1) Using D/L Jig2) Using USB Memory Stick.

(2) Input Tool-Option.(3) Download the EDID

- EDID datas are automatically downloaded when adjustingthe Tool Option2

(4) ADC Calibration - RGB / Component(4) Check SW Version.

3.2. SET assembly adjustment items(1) Input Area option(2) Adjustment of White Balance : Auto & Manual(3) Input Tool-Option/Area option(4) Intelligent Sensor Inspection Guide(5) Preset CH information(6) Factoring Option Data input

4. PCB assembly adjustment method4.1. Mstar Main S/W program download4.1.1. Using D/L Jig

(1) Preliminary steps1) Connect the download jig to D-sub(RGB) jack.

(2) Download steps1) Execute ‘ISP Tool’ program, the main window(Mstar ISP

utility Vx.x.x) will be opened.2) Click the “Connect” button and confirm “Dialog Box”

3) Click the “Config.” button and Change speed I2C Speedsetting : 350 Khz ~ 400 Khz

4) Read and write bin file.Click “(1)Read” tab, and then load download file(XXXX.bin) by clicking “Read”.- LH20/ LH30

1

Filexxx.bin

1

Filexxx.bin

Page 9: lg_22ld330-mb_chassis_lp91h_[ET]

5) Click “(2) Auto” tab and set as below.6) Click “(3) Run”.7) After downloading, you can see the “(4) Pass” message.

4.1.2. Using the Memory Stick* USB download : Service Mode1) Insert the USB memory stick to the ISB port.2) Automatically detect the SW Version.

-> S/W download process is executed automatically.3) Show the message “Copy the file from the Memory”.

4) After Finished the Download, Automatically DC Off -> On

5) Check The update SW Version.

4.2. Input tool option.Adjust tool option refer to the BOM.- Tool Option Input : PCBA Check Process- Area Option Input : Set Assembly Process

After Input Tool Option and AC offBefore PCBA check, you have to change the Tool option andhave to AC off/on (Plug out and in)(If missing this process, set can operate abnormally)

(1) Profile : Must be changed the option value because beingdifferent with some setting value depend onmodule maker, inch and market

(2) Equipment : adjustment remote control.

(3). Adjustment method- The input methods are same as other chassis.(Use IN-

START Key on the Adjust Remocon.)(If not changed the option, the input menu can differ themodel spec.)

Refer to Job Expression of each main chassis assembly(EBTxxxxxxxx) for Option value Caution : Don’t Press “IN-STOP” key after completing the

function inspection.

4.3. EDID D/L methodRecommend that don’t connect HDMI and RGB(D-SUB) cablewhen downloading the EDID.If not possible, recommend that connect the MSPG equipment.There are two methods of downloading the edid data

4.3.1. 1st MethodEDID datas are automatically downloaded when adjusting theTool Option2.Automatically downloaded when pushing the enter key afteradjusting the tool option2.It takes about 2seconds.

4.3.2. 2nd Method* Caution :

Must be checked that the tool option is right or not. If tool option is wrong, hdmi edid data could not bedownloaded well.

1) Press the ADJ key2) Move to the EDID D/L and Press the right direction key(G).3) Press the right direction key(G) at Start.4) After about a few seconds, appear “OK”, then compete.

4.3.3. RS-232C command Method(1) Command : AE 00 10

* Caution Don’t connect HDMI and RGB(D-SUB) cable whendownloading the EDID.If the cables are connected, Downloading of edid could befailed.

- 9 - LGE Internal Use OnlyCopyright © 2010 LG Electronics. Inc. All right reserved. Only for training and service purposes

1

Filexxx.bin

Page 10: lg_22ld330-mb_chassis_lp91h_[ET]

4.3.4. EDID data(1) Analog(RGB): 128bytes>

(2) HDMI 1 : 256Bytes

(3) HDMI 2 : 256Bytes

4.4. ADC Calibration4.4.1. ADC Calibration - Component (Using External

pattern)(1) Required Equipments

- Remote controller for adjustment- MSPG-925F/MSPG-1025/MSPG-3233 Pattern Generator

(2) Process1) Change the Input to Component1 or 2 mode.2) Input the Component 480i@60 Hz 100 % Color Bar

YPbPr signal into Component1 or 2.(MSPG-925F Model: 209 / Pattern: 65 )

3) Press ADJ key on R/C for adjustment.4) Enter Password number. Password is “0 0 0 0”.5) Select “0. ADC calibration : Component” by using D/E

(CH +/-) and press ENTER(A).6) ADC adjustment is executed automatically .7) When ADC adjustment is finished, this OSD appear

4.4.2. ADC Calibration-RGB4.4.2.1. Method of Using External pattern

(1) Required Equipments- Remote controller for adjustment- MSPG-925F/MSPG-1025/MSPG-3233 Pattern Generator

(2) Process1) Change the Input to RGB mode.2) Input the PC 1024x768@60 Hz Horizontal Color Bar

signal into RGB. (MSPG-925F Model: 60 / Pattern: 65)

3) Press ADJ key on R/C for adjustment.4) Enter Password number. Password is “0 0 0 0”.5) Select “0. ADC calibration : RGB” by using D/E(CH +/-)

and press ENTER(A).6) ADC adjustment is executed automatically .7) When ADC adjustment is finished, this OSD appear

- 10 - LGE Internal Use OnlyCopyright © 2010 LG Electronics. Inc. All right reserved. Only for training and service purposes

OK

OK

0 1 2 3 4 5 6 7 8 9 A B C D E F

0 00 FF FF FF FF FF FF 00 1E 6D 01 00 01 01 01 01

10 01 14 01 03 08 46 27 78 0A D9 B0 A3 57 49 9C 25

20 11 49 4B A1 08 00 45 40 01 01 61 40 01 01 01 01

30 01 01 01 01 01 01 1B 21 50 A0 51 00 1E 30 48 88

40 35 00 BC 88 21 00 00 1C 0E 1F 00 80 51 00 1E 30

50 40 80 37 00 BC 88 21 00 00 18 00 00 00 FC 00 4C

60 47 20 54 56 0A 20 20 20 20 20 20 20 00 00 00 FD

70 00 3A 3F 1C 44 0F 00 0A 20 20 20 20 20 20 00 56

0 1 2 3 4 5 6 7 8 9 A B C D E F

0 00 FF FF FF FF FF FF 00 1E 6D 01 00 01 01 01 01

10 01 14 01 03 80 46 27 78 0A D9 B0 A3 57 49 9C 25

20 11 49 4B 21 08 00 45 40 01 01 61 40 01 01 01 01

30 01 01 01 01 01 01 01 1D 00 72 51 D0 1E 20 6E 28

40 55 00 C4 8E 21 00 00 1E 1B 21 50 A0 51 00 1E 30

50 48 88 35 00 BC 77 21 00 00 1C 00 00 00 FC 00 4C

60 47 20 54 56 0A 20 20 20 20 20 20 20 00 00 00 FD

70 00 3A 3F 1C 44 0F 00 0A 20 20 20 20 20 20 01 C3

80 02 03 25 F1 4F 84 07 01 16 02 03 11 12 13 14 05

90 20 22 1F 10 23 09 07 07 83 01 00 00 68 03 0C 00

A0 10 00 80 1E 00 01 1D 00 80 51 D0 1C 20 40 80 35

B0 00 BC 88 21 00 00 1E 8C 0A D0 8A 20 E0 2D 10 10

C0 3E 96 00 13 8E 21 00 00 18 8C 0A A0 14 51 F0 16

D0 00 26 7C 43 00 C4 8E 21 00 00 98 01 1D 80 18 71

E0 1C 16 20 58 2C 25 00 C4 8E 21 00 00 9E 00 00 00

F0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 2A

0 1 2 3 4 5 6 7 8 9 A B C D E F

0 00 FF FF FF FF FF FF 00 1E 6D 01 00 01 01 01 01

10 01 14 01 03 80 46 27 78 0A D9 B0 A3 57 49 9C 25

20 11 49 4B 21 08 00 45 40 01 01 61 40 01 01 01 01

30 01 01 01 01 01 01 01 1D 00 72 51 D0 1E 20 6E 28

40 55 00 C4 8E 21 00 00 1E 1B 21 50 A0 51 00 1E 30

50 48 88 35 00 BC 77 21 00 00 1C 00 00 00 FC 00 4C

60 47 20 54 56 0A 20 20 20 20 20 20 20 00 00 00 FD

70 00 3A 3F 1C 44 0F 00 0A 20 20 20 20 20 20 01 C3

80 02 03 25 F1 4F 84 07 01 16 02 03 11 12 13 14 05

90 20 22 1F 10 23 09 07 07 83 01 00 00 68 03 0C 00

A0 20 00 80 1E 00 01 1D 00 80 51 D0 1C 20 40 80 35

B0 00 BC 88 21 00 00 1E 8C 0A D0 8A 20 E0 2D 10 10

C0 3E 96 00 13 8E 21 00 00 18 8C 0A A0 14 51 F0 16

D0 00 26 7C 43 00 C4 8E 21 00 00 98 01 1D 80 18 71

E0 1C 16 20 58 2C 25 00 C4 8E 21 00 00 9E 00 00 00

F0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 1A

Page 11: lg_22ld330-mb_chassis_lp91h_[ET]

4.4.2.2. Method of Using Internal pattern(1) Apply model

19/22/26/32LD330

(2) Process1) Change the Input to RGB mode.2) Press ADJ key on R/C for adjustment.3) Enter Password number. Password is “0 0 0 0”.4) Select “0. ADC calibration : RGB” by using D/E(CH +/-)

and press ENTER(A).5) ADC adjustment is executed automatically .7) When ADC adjustment is finished, this OSD appear

Caution : No need to connect external input cableCaution : Adjustment result is applied after SET Off/On

4.5. Check SW Version(1) Method

1) Push In-start key on Adjust remote-controller.2) SW Version check

Check “SW VER : V3.xx”

5. PCB assembly adjustment method5.1. Input Area-Option

(1) Profile : Must be changed the Area option value becausebeing different of each Country’s Language andsignal Condition.

(2) Equipment : adjustment remote control(3) Adjustment method

- The input methods are same as other chassis.(Use IN-START key on the Adjust Remocon.)

Refer to Job Expression of each main chassis assembly(EBTxxxxxxxx) for Option value.

5.2. White Balance Adjustment- Purpose : Adjust the color temperature to reduce the

deviation of the module color temperature.- Principle : To adjust the white balance without the saturation,

Fix the one of R/G/B gain to 192 (default data)and decrease the others.

- Adjustment mode : Three modes - Cool / Medium / Warm- Required Equipment

1) Remote controller for adjustment 2) Color Analyzer : CA100+ or CA-210 or same product

(should be used in the calibrated ch by CS-1000)LCD TV : CH9

3) Auto W/B adjustment instrument(only for Auto adjustment)

5.2.1. Adjustment of White Balance(For automatic adjustment)- Connecting diagram of equipment for measuring

* LP91H Support RS-232C & I2C DDC Communication-WhiteBalance Mode.

(1) Enter the adjustment mode of DDC- Set command delay time : 50 ms- Enter the DDC adjustment mode at the same time heat-

run mode when pushing the power on by power only key- Maintain the DDC adjustment mode with same condition

of Heat-run => Maintain after AC off/on in status of Heat-run pattern display)

(2) Release the DDC adjustment mode- Release the adjust mode after AC off/on or std-by off/on

in status of finishing the Hear-run mode- Release the Adjust mode when receiving the aging off

command(F3 00 00) from adjustment equipment.- Need to transmit the aging off command to TV set after

finishing the adjustment.- Check DDC adjust mode release by exit key and release

DDC adjust mode)

(3) Enter the adjust mode of white balance)- Enter the white balance adjustment mode with aging

command (F3, 00, FF)* Luminance min value is 150cd in the Cool/Medium/Warm

mode(For LCD)

5.2.2. Adjustment of White Balance(for Manual adjustment)(1) Color analyzer(CA100+, CA210) should be used in the

calibrated ch by CS-1000(2) Operate the zero-calibration of the CA100+ or CA-210,

then stick sensor to the module when adjusting.(3) For manual adjustment, it is also possible by the following

sequence.1) Select white pattern of heat-run by pressing “POWER

ON” key on remote control for adjustment then operateheat run longer than 15 minutes. (If not executed thisstep, the condition for W/B may be different.)

2) Push “Exit” key.3) Change to the AV mode by remote control.4) Input external pattern (85% white pattern)5) Push the ADJ key -> Enter “0000” (Password)6) Select “3. W/B ADJUST”7) Enter the W/B ADJUST Mode8) Stick the sensor to the center of the screen and select

each items (Red/Green/Blue Gain and Offset) usingD/E(CH +/-) key on R/C.

9) Adjust R/ G/ B Gain using F/G(VOL +/-) key on R/C.10) Adjust three modes all (Cool/ Medium/ Warm) : Fix the

one of R/G/B gain and change the others.11) When adjustment is completed, Enter “COPY ALL”.12) Exit adjustment mode using EXIT key on R/C.

- 11 - LGE Internal Use OnlyCopyright © 2010 LG Electronics. Inc. All right reserved. Only for training and service purposes

Page 12: lg_22ld330-mb_chassis_lp91h_[ET]

* CASEFirst adjust the coordinate far away from the target value(x, y).1) x, y > target

i) Decrease the R, G. 2) x, y < target

i) First decrease the B gain, ii) Decrease the one of the others.

3) x > target, y < targeti) First decrease B, so make y a little more than the target.ii) Adjust x value by decreasing the R

4) x < target, y > targeti) First decrease B, so make x a little more than the target.ii) Adjust x value by decreasing the G

(4) Standard color coordinate and temperature when using theCA100+ or CA210 equipment

To check the Coordinates of White Balance, you have tomeasure at the below conditions.Picture Mode : select Vivid and changeDynamic Contrast : OffDynamic Colour : Off-> Picture Mode change : Vivid -> Vivid(User)(If you miss the upper condition, the coordinates of W/Bcan be lower than the spec.)

5.3. Checking the function of Local Dimming(using adjusts Remote control)

- Dimming checking is doing in “Power Only” mode.- Enter the signal of component. (Pattern : 7(combination),

Time : 225 (1920 *1080))- Push the button “Tilt”.- Checking the function of Dimming refer to the picture at below.- Push the button “Tilt” or “Exit” key.

- 12 - LGE Internal Use OnlyCopyright © 2010 LG Electronics. Inc. All right reserved. Only for training and service purposes

Color CoordinateMode

x y Temp. ∆uv

Cool 0.285 ± 0.002 0.293 ± 0.002 9,300 K 0.000

Medium 0.295 ± 0.002 0.305 ± 0.002 8,000 K 0.000

Warm 0.313 ± 0.002 0.329 ± 0.002 6,500 K 0.003

Pattern 7 (Combination) Local Dimming Demo screen

Page 13: lg_22ld330-mb_chassis_lp91h_[ET]

LGE Internal Use OnlyCopyright © 2010 LG Electronics. Inc. All right reserved. Only for training and service purposes

- 13 -

TROUBLESHOOTING

No power(LED indicator off)

Check 24V, 12V, 3.5V of Power B/D.

Check short of Main B/D or Change Power B/D.

Pass

Check Output of IC1001, IC1005, IC1007.

Check P307 Connector

Change LED Assy.

: [A] PROCESS

Fail

Fail

Pass

Pass

Check LED Assy.

Change IC1002, IC1008, Q1003

Pass

Check short of IC1001,IC1005, IC1007.

Fail

Re-soldering or Change defectpart of IC1001, IC1005, IC1007

Fail

No Raster [B]: Process

Check LED statusOn Display Unit.

Repeat A PROCESS.

Pass

Fail

Check Output of IC802. Change IC802.Fail

Change Inverter Connectoror Inverter.Fail

Pass

Fail

Pass

Change LVDS cable.Fail

Check LVDS Cable.

Pass

Check Panel Link Cable or Module.

Change Panel Link Cableor Module.

Check Inverter Connectoror Inverter.

Pass

Page 14: lg_22ld330-mb_chassis_lp91h_[ET]

LGE Internal Use OnlyCopyright © 2010 LG Electronics. Inc. All right reserved. Only for training and service purposes

- 14 -

No Raster on PC Signal

Check Input source Cableand Jack.

Pass

Re-soldering orChange the defect part.

Pass

Check the Input/OutputOf IC201. Fail

Re-soldering orChange the defect part,Check RGB EDID Data.

Repeat [A], & [B] Process

Pass

Check the Input/OutputOf JK202. Fail

Pass

Check the Input/Outputof IC800 Fail

Re-soldering orChange the defect part.

Pass

No Raster on COMMPONENT Signal

Check Input source Cable and Jack.

Pass

Re-soldering or Change the defect part.

Pass

Check the Input/OutputOf IC800. Fail

Re-soldering or Change the defect part.

Repeat [A], & [B] Process.

Check the Input/Outputof JK101. Fail

Pass

No Raster on HDMI Signal

Check Input source Cable And Jack.

Pass

Checkthe Input/Output of JK301,

JK302, JK303. Fail

Re-soldering or Change the defect part.

Pass

Pass

Checkthe Input/OutputOf IC300,

IC301, JK302. Fail

Re-soldering or Change the defect part.Check HDMI EDID Data.

Re-download HDCP.

Pass

Pass

Check the Input/OutputOf IC800. Fail

Re-soldering or Change the defect part.

Repeat [A], & [B] Process.

Page 15: lg_22ld330-mb_chassis_lp91h_[ET]

LGE Internal Use OnlyCopyright © 2010 LG Electronics. Inc. All right reserved. Only for training and service purposes

- 15 -

No Sound

Check The Input Source.

Check The Input/OutputOf IC600.

Re-soldering or Change the defect part.Fail

Pass

Pass

Check The Speaker. Change Speaker.Fail

Check The Speaker Wire.

Pass

Change The Source Input.Fail

No Raster On AV (Video, S-Video)Signal No Signal On TV(RF) Signal

Check Input source Cable and Jack.

Pass

Check Input source Cable and Jack.

Pass

Check The Input/Output of JK101.

Pass

Re-soldering or Change the defect part.

Pass

Fail

Pass

Repeat [A], & [B] Process.

Check the Input/OutputOf IC800. Fail

Re-soldering or Change the defect part.

Pass

Check The Input/OutputOf TU500.

Pass

Re-soldering or Change the defect part.

Pass

Fail

Check the Input/OutputOf IC800. Fail

Re-soldering or Change the defect part.

Repeat [A], & [B] Process.

Page 16: lg_22ld330-mb_chassis_lp91h_[ET]

LGE Internal Use OnlyCopyright © 2010 LG Electronics. Inc. All right reserved. Only for training and service purposes

- 16 -

BLOCK DIAGRAM

RGB-PC(JK202)

TUNER(TU500)

COMPONENT / AV1(JK101)

AV

2(J

K20

1)

AV

_LIN

/RIN

:50

0mV

rms

SP

K_L

SP

K_R

CO

MP

ON

EN

T_L

/R :

500m

Vrm

s A

V_V

IN:

1Vpp

NT

P31

00L

CO

MP

_Y/P

b/P

r

IR &

LE

D (

P20

1)

HD

MI_

DA

TA

0

TU

_MA

IN

CO

MP

ON

EN

T_Y

/Pb/

Pr

: 1/

0.7V

ppA

V_V

INC

OM

P_L

IN/R

IN

L_C

HR

_CH

AV

_LIN

/RIN

PC-SOUND(JK203)

I2S

_MC

LK

I2S

_SD

OI2

S_W

SI2

S_S

CK

TM

DS

LIP

SR

L_O

N/I

DIS

P_E

N

PA

NE

L_S

TA

TU

S

E-D

IM

OP

C_O

UT

EE

PR

OM

(24L

C25

6)

Ser

ial

Fla

sh

(MX

25L

64)

EE

PR

OM

H

DC

P(2

4WC

08)

EE

P_S

CL/

SD

A

EE

P_S

CL/

SD

A

TX

CE

2–T

XC

E3–

TX

CL

KE

TX

CE

1–T

XC

E0–

TX

CO

1–

TX

CO

3–T

XC

O2–

TX

CO

0–T

XC

LK

O–

M_S

CL/

SD

A

MA

IN S

CLA

ER

Mat

rix(H

D:L

GE

4765

A)

(FH

D:L

GE

4767

A)

(IC

800)

EE

PR

OM

24C

02

IC30

2

TU

500

IC80

2

IC80

3

IC80

1

IC60

0

P40

2P

403

M_S

CL

/SD

A

SID

E

REAR

HD

MI3

(JK

303)

US

B(J

K20

4)

RS-232C(JK200)

USB(SVC)(JK205)

HDMI1(JK301)

HDMI2(JK302)

EE

PR

OM

24C

02

IC30

1

EE

PR

OM

24C

02

IC30

0 D

DC

_SC

L1/

SD

A1

DD

C_S

CL

2/S

DA

2

DD

C_S

CL

3/S

DA

3

Con

tro

ller

ST

3232

CD

R

IC20

0 R

XD

/TX

D

EE

PR

OM

24C

02

IC20

1 D

SU

B_S

CL/

SD

A

P40

1

SP

I_C

Z/D

O

SP

I_C

LK/D

I

HD

MI_

DA

TA

1

HD

MI_

DA

TA

2

US

B D

N/D

P

PC

_R/G

/BP

C_V

S/H

S

TX

D/R

XD

PC

_AU

D_L

/R

TX

CO

4–

TX

CE

4–

FHD LVDS connector

HD LVDS connector

DD

R2

SD

RA

M(5

12M

Byt

e)

IC90

0D

DR

2_C

KE

DD

R2_

WE

Z

DD

R2_

DQ

S0

DD

R2_

MC

LKD

DR

2_B

A0/

1

DD

R2_

DQ

S1–

DD

R2_

OD

T

DD

R2_

DQ

M0/

1

SID

E_V

INS

IDE

_LIN

/RIN

Page 17: lg_22ld330-mb_chassis_lp91h_[ET]

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

300

200

803

802

511

510

400

801

530

540

401

120

122

500

A2

A5

LV1

402

910 90

0

EXPLODED VIEW

Many electrical and mechanical parts in this chassis have special safety-related characteristics. Theseparts 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 asrecommended 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 18: lg_22ld330-mb_chassis_lp91h_[ET]

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.

CVBS_LIN

ZD100SD05

ZD103SD05

ZD105SD05

CVBS_VIN

CVBS_RIN

ZD104SD05

ZD101SD05

ZD102SD05

D10130V

D10030V

D10430V

D10530V

COMP2_Y

COMP2_PB

COMP2_PR

COMP2_L

COMP2_R

R10975

R10875

R10775

R104220K

R11812K

R11712K

R11912K

R12012K

R113

10K

R115

10K

R116

10K

R100220K

R111220K

R112220K

R11075

R114

10K

JK101

PPJ238-01

5D [GN2]O-SPRING

6D [GN2]E-LUG

4D [GN2]CONTACT

7E [BL2]E-LUG-S

5E [BL2]O-SPRING

7F [RD2]E-LUG-S

5F [RD2]O-SPRING_1

5G [WH2]O-SPRING

4H [RD2]CONTACT

5H [RD2]O-SPRING_2

6H [RD2]E-LUG

6A [YL1]E-LUG

5A [YL1]O-SPRING

4A [YL1]CONTACT

5B [WH1]O-SPRING

4C [RD1]CONTACT

5C [RD1]O-SPRING

6C [RD1]E-LUG

R121

75

JP102

Q102RT1C3904-T112

EBC

R105470

MNT_VOUT_T

P_12V_SMALL_15V

JP101 R101

220

R102

402READY

R10368

Q101ISA1530AC1

E BC

R106

47

1 9

2009/12/23

INPUT1

EAX61532102LP91H

LD330/LD420

COMPONENT / AV IN

GAIN X 4

Copyright © 2010 LG Electronics. Inc. All rights reserved.Only for training and service purposes LGE Internal Use Only

Page 19: lg_22ld330-mb_chassis_lp91h_[ET]

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.

SIDE_LIN

SIDE_RIN

ZD2035.6BSIDE_AV

SIDE_VZD2025.6B

SIDE_AV

IR_OUT+3.5V_MST

TXD

R2044.7K

IC200ST3232CDR

3C1-

2V+

4C2+

1C1+

6V-

5C2-

7T2OUT

8R2IN

9R2OUT

10T2IN

11T1IN

12R1OUT

13R1IN

14T1OUT

15GND

16VCC

R2054.7K

RXD

+3.5V_MST

ZD200

SD05

DSUB_SDA

PC_VSZD201SD05

PC_B

DSUB_SDA

PC_AUD_R

PC_G

DSUB_SCL

IC201CAT24C02WI-GT3

3A2

2A1

4VSS

1A0

5SDA

6SCL

7WP

8VCC

DDC_WP

PC_HS

PC_AUD_L

DSUB_SCL

PC_R

D202

30VCDS3C30GTH

D203

30V

CDS3C30GTH

D20030V

D20130V

D20630VSIDE_AV

D20530VSIDE_AV

D20430V

D20930V

C2030.1uF16V

C2000.1uF16V

C2010.1uF16V

C2020.1uF16V

C2050.01uF

R202

100

R203

100

R22775

SIDE_AV

R223220K

READY

R222220K

READY

R22612K

SIDE_AV

R22812KSIDE_AV

R21175

R21275

R21375

R2144.7K

R2154.7K

R231

220K

R232

220K

R233

10K

R234

10K

R235

12K

R236

12K

R2204.7K

R2214.7K

R216100

R217100

R218100

C2080.1uF50V

OCP_READYC20910uF16V

OCP_READY

L200

120OHM

OCP_READY

+5V_USB

R2091K

OCP_READY R2104.7K

OCP_READY

R237

0

Non_OCP

C21010uF6.3V

R20768

R208

68

C21368pF50V

C21168pF50V

R2194.7KREADY

L201

500C212220uF16V

C214100uF16V

D213OCP_READY

AAC

C

R238510

OCP_READY

R224

10K

SIDE_AV

R225

10K

SIDE_AV

JK200SPG09-DB-009

1

2

3

4

5

6

7

8

9

10

JK201PPJ235-01

SIDE_AV

4A [YL]O-SPRING

5A [YL]E-LUG

3A [YL]CONTACT

4B [WH]O-SPRING

3C [RD]CONTACT

4C [RD]O-SPRING

5C [RD]E-LUG

JK202

SPG09-DB-0106630TGA004Q

RED

1

GREEN

2

BLUE

3

GND_1

4

DDC_GND

5

RED_GND6

GREEN_GND7

BLUE_GND8

NC9

SYNC_GND10

GND_2

11

DDC_DATA12

H_SYNC13

V_SYNC14

DDC_CLOCK15

SHILED16

JK203PEJ027-01

6B T_TERMINAL2

7B B_TERMINAL2

5 T_SPRING

4 R_SPRING

7A B_TERMINAL1

6A T_TERMINAL1

3 E_SPRING

D211ENKMC2838-T112

A1

C

A2

+5V_MULTI

R2000

D20730V

D20830V

D21030V

USB_DN

USB_DP

ZD20430V

READYZD20530V

READY

JK205KJA-UB-0-0037

REAR_USB

1

2

3

4

5

R229

0

REAR_USB

USB_DL_P

R230

0REAR_USB

USB_DL_N

USB_DL_P

USB_DL_N

IC202AP2191SG-13

3IN_2

2IN_1

4EN

1GND

5FLG

6OUT_1

7OUT_2

8NC

+3.5V_MULTI

JK204KJA-UB-4-0004

SIDE_USB

12

34

5

2 9INPUT2

2009/12/23

USBIt’s possibel to 27~47ohm

** 1A Design

SIDE AV

RS-232C

PC EDID

PC SOUND

Close to SIDE_USB

PC

LD330/LD420

LP91HEAX61532102

Copyright © 2010 LG Electronics. Inc. All rights reserved.Only for training and service purposes LGE Internal Use Only

Page 20: lg_22ld330-mb_chassis_lp91h_[ET]

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.

+5V_HDMI_2

HPD_MST_2

TMDS2_RX2-

CECTMDS2_RXC-

TMDS2_RXC+ TMDS1_RXC-

TMDS2_RX0+

+5V_HDMI_2

HPD_MST_1

CEC

TMDS1_RX2+

TMDS2_RX1+

+5V_MULTI

+5V_HDMI_1

TMDS2_RX0-

TMDS1_RX1-

TMDS2_RX1-

TMDS1_RX2-

+5V_MULTI

+5V_HDMI_1

TMDS1_RX0-

TMDS1_RX1+

TMDS1_RX0+

TMDS2_RX2+

TMDS1_RXC+

DDC_SDA2DDC_SCL2 DDC_SDA1

DDC_SCL1

JP301

JP300

JP302

JP303

Q3012SC3875S

RT1C3904-T112

E

B

C

Q300

2SC3875SRT1C3904-T112

E

B

C

D300KDS184S

A1

C

A2

D301KDS184S

A1

C

A2

IC301CAT24C02WI-GT3

3A2

2A1

4VSS

1A0

5SDA

6SCL

7WP

8VCC

IC300CAT24C02WI-GT3

3A2

2A1

4VSS

1A0

5SDA

6SCL

7WP

8VCC

DDC_WPDDC_WP

BSS83Q303

READY

SBD

G CEC

+3.3V_MST

CEC_C

D304

30V READYCDS3C30GTH

D303

30VMMBD301LT1G

READY

R30110K

R303

1K

R30010K

R3021K

R31568KREADY

R3130

R305 100

R304 100

C3010.01uF

R331 100

R306 100

R307 100

C3020.01uF

R327 100R30810K

R31010K

R30910K

R31110K

R31656KREADY

JK302YKF45-7058V

14 NC

13 CEC

5 DATA1_SHIELD

20

SHIELD

12 CLK-

11 CLK_SHIELD

2 DATA2_SHIELD

19HPD

18 +5V_POWER

10 CLK+

4 DATA1+

1 DATA2+

17 DDC/CEC_GND

9 DATA0-

8 DATA0_SHIELD

3 DATA2-

16 SDA

7 DATA0+

6 DATA1-

15 SCL

JK301YKF45-7058V

14 NC

13 CEC

5DATA1_SHIELD

20

SHIELD

12 CLK-

11 CLK_SHIELD

2DATA2_SHIELD

19 HPD

18 +5V_POWER

10CLK+

4DATA1+

1DATA2+

17 DDC/CEC_GND

9DATA0-

8DATA0_SHIELD

3 DATA2-

16 SDA

7DATA0+

6DATA1-

15 SCL

R31910K

+5V_HDMI_3

+5V_MULTI

TMDS3_RX1-

DDC_SCL3

HPD_MST_3 Q3022SC3875SRT1C3904-T112

E

B

C

TMDS3_RX0+

+5V_HDMI_3

R312

10K

DDC_WP

R318 100

TMDS3_RXC+

JK303

KJA-ET-0-0032

14 NC

13 CEC

5 DATA1_SHIELD

20

JACK_GND

12 CLK-

11 CLK_SHIELD

2 DATA2_SHIELD

19 HPD

18 +5V_POWER

10 CLK+

4 DATA1+

1 DATA2+

17 DDC/CEC_GND

9 DATA0-

8 DATA0_SHIELD

3 DATA2-

16 SDA

7 DATA0+

6 DATA1-

15 SCL JP305

TMDS3_RXC-

DDC_SDA3

R32010K

R314

1K

TMDS3_RX1+

CEC

TMDS3_RX2+

R317 100

JP304

C3000.01uF25V

TMDS3_RX2-

R329 100

IC302

CAT24C02WI-GT3

3A2

2A1

4VSS

1A0

5SDA

6SCL

7WP

8VCC

D302

KDS184S

A1

C

A2

TMDS3_RX0-

HDMI 3 9

2009/12/23

OPTION

SW_HPD : USE SW HPD (Default)

MST_HPD : USE MST HPD

LD330/LD420

LP91HEAX61532102

Copyright © 2010 LG Electronics. Inc. All rights reserved.Only for training and service purposes LGE Internal Use Only

Page 21: lg_22ld330-mb_chassis_lp91h_[ET]

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.

TXCE1-

TXCE1+

TXCE0-

TXCE0+

TXCE3+

TXCE3-

TXCLKE-

TXCLKE+

TXCE2-

TXCE2+

TXCE0+

TXCE0-

TXCE1+

TXCE1-

TXCE2+

TXCE2-

TXCLKE+

TXCLKE-

TXCE3+

TXCE3-

TXCO3-

TXCO3+

TXCLKO-

TXCLKO+

TXCO2-

TXCO2+

TXCE2+

TXCE2-

TXCLKE+

TXCLKE-

TXCE3+

TXCE3-

TXCO1-

TXCO1+

TXCE1+

TXCE1-

TXCO0-

TXCO0+

TXCE0+

TXCE0-

TXCE4+

TXCE4-

TXCO4+

TXCO4-

C40247pF50V

READY

R413

22

IR-OUT

C400470pF50V

NON_19_22INCH

KEY1

ZD4005.6B

FHD BRIDING

L405 120ohmNON_19_22INCH

ZD4015.6B

FHD BRIDING

+3.5V_MST

ZD4025.6B

READY

L401FHD BRIDING

500-ohm

IR_OUT

R41210K

IR-OUT

Q4012SC3052IR-OUT

EBC

L400FHD BRIDING

500-ohmSUB_SCL

L403

120ohm

KEY2

Q4032SC3052IR-OUT

EB

C

+3.5V_MST

IR

SUB_SDA

C4070.1uF

26_32INCH

+3.3V_MST

+3.5V_MST

C4080.1uF

26_32INCH

L404 120ohmNON_19_22INCH

+3.3V_MULTI_MST

C4060.1uF50V

READY

C40447uF16V

KEY2

C410100pF50V

19_22INCH

KEY1

C409100pF50V

19_22INCH

+5V_+12V_LCD

TXCE0+,TXCE0-,TXCE1+,TXCE1-,TXCE2+,TXCE2-,TXCE3+,TXCE3-,TXCE4+,TXCE4-,TXCLKE+,TXCLKE-

+3.3V_MULTI_MST

OPC_ENE-DIM

OPC_OUT

C405100pF50V

C401100pF50V

L40819_22INCH

L409

19_22INCH

L407

120ohm

L402

120ohm

R4064.7K

R4094.7K

R40710K

IR-OUT

R410

10K

IR-OUT

R401

47K

IR-OUT

R4204.7K

JEIDA

R4210

VESA

R4230

READY

R416 0OPC_ENABLE

R422470

OPC_ENABLE

L406

120-ohm

P402

FF10001-3026_32INCH_HD_WAFER

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

+3.5V_MST

Q404RT1C3904-T112OPC_ENABLE

E BC R424

1K

OPC_ENABLE

R40010K

Q4002SC3052

EB

C

+3.3V_MULTI_MST

R405

10K

R40310K

Q4022SC3052

EB

C

+3.5V_MST

R408

10K

R4114.7K

R404

0

READY

R402

0

READY

C403470pF50V

NON_19_22INCH

SUB_SCL

LED_R

P40412507WR-03L

19_22INCH

1KEY1

2KEY2

3GND

4

P403

FF10001-30

19_22INCH1

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

+5V_+12V_LCD

TXCE0+,TXCE0-,TXCE1+,TXCE1-,TXCE2+,TXCE2-,TXCE3+,TXCE3-,TXCE4+,TXCE4-,TXCLKE+,TXCLKE-

SMALL_NC2

SMALL_NC1

SMALL_OPC_OUT

SMALL_NC3

SMALL_OPC_EN

SMALL_NC4

R414

0

HD_normal

R418 0OPC_ENABLE

R419 0LVDS_SEL

R415

0

HD_normal

SMALL_OPC_EN

SMALL_NC3

SMALL_NC4

SMALL_NC1

SMALL_OPC_OUT

SMALL_NC2

P400

12507WR-12L

1SCL

2SDA

3GND

4KEY1

5KEY2

65V_ST

7GND

8LED_B/LG_LOGO

9IR

10GND

11ST_3.3V

12LED_R/BUZZ

13

.

SMALL_NC5

SMALL_NC5

P401TF05-51S

51P_FFC_WAFER_FHD

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

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

TXCE0+,TXCE0-,TXCE1+,TXCE1-,TXCE2+,TXCE2-,TXCE3+,TXCE3-,TXCE4+,TXCE4-,TXCLKE+,TXCLKE-,TXCLKO+,TXCLKO-,TXCO0+,TXCO0-,TXCO1+,TXCO1-,TXCO2+,TXCO2-,TXCO3+,TXCO3-,TXCO4+,TXCO4-

+5V_+12V_LCD

R431 0

SHARP 42FHD

R432

0

NON_Small CMO

R425 0HD_normal

R429 0

AUO/SHARP 42FHD

R428 0

AUO/SHARP 42FHD

R427 0

AUO/SHARP 42FHD

R426 0

AUO/SHARP 42FHD

+3.3V_MULTI_MST

R4334.7K

READY

R4340

NON CMO FHD

R435 0

NON CMO 42FHDR436 0

NON CMO 42FHD

R437 0

NON CMO 42FHD

R438 0

NON CMO 42FHD

R417 0OPC_ENABLE

R439 0READY

R4404.7K

READY

R4410

READY

+3.3V_MULTI_MST

R4424.7K

SHARP 42FHD

R4430

AUO FHD

+3.3V_MULTI_MST

R444 0

NON AUO 42FHD

LVDS,CTR KEY 4 9

2009/12/23

CONTROL KEY

OPC_EABLE

OPC_OUTPUT

External VBR

PANEL WAFER

IR

**OPC_ENABLE : USE LGD Module

LD330/LD420

LP91HEAX61532102

FHD

26inch AUO : OPEN

26inch SHARP : Pull down

51 47 46 45 44 43 42 41 28

SHARP 32INCH FHD

R444 R431 R442R443 R421

R420 R416 R417 R418R423

R438 R429

O X X X X X X O

R428

27 26

R437R434

25

R433 R427

12

R426

11 10

R436

9

R435

O R434 O OVESA

IPS 32INCH FHD O X X XVESA X XX O X X O R434 X X O O

SHARP 32INCH FHD

O O O O

Copyright © 2010 LG Electronics. Inc. All rights reserved.Only for training and service purposes LGE Internal Use Only

Page 22: lg_22ld330-mb_chassis_lp91h_[ET]

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.

MAIN_SIF

0.01uFC501

50V

M_SDA

C50227pF50V

+5V_TUNER

TV_MAIN

M_SCL

+5V_TUNER

C50450V

READY

C50027pF50V

L502READY

10uH

C50782pF50V

READY

C50810uF16V

L500

120-ohm

READY

Q502ISA1530AC1

E

B

CR5024.7K

R506220

R507220

C505100uF16V

READY

C506100uF16V

READY

R505

47

R504

47

C5030.1uF50V

R500

0

R5010

TU500TAFJ-Z001D

PAL_TUNER

5 MOPLL_AS

11 VIDEO

2 NC_2

10 NC_4

4 RF_AGC

1 NC_1

9 SIF

8 NC_3

3 +B[5V]

7 SDA

6 SCL

12 GND

13

SHIELD

TU500-*1

TAFJ-H001F

5MOPLL_AS

11VIDEO

2NC_2

10NC_4

4RF_AGC

1NC_1

9SIF

8NC_3

3+B[5V]

7SDA

6SCL

12GND

13

SHIELD

TUNER 5 9

2009/12/23

Near the pin

LD330/LD420

LP91HEAX61532102

Copyright © 2010 LG Electronics. Inc. All rights reserved.Only for training and service purposes LGE Internal Use Only

Page 23: lg_22ld330-mb_chassis_lp91h_[ET]

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.

C6440.1uF

C6370.1uF

M_SD

AC606

1000pF

C61622000pF

C623 22000pF+1.8V_DVDD

C6511000pF50V

C6320.47uF

MULTI_PW_SW

C6050.1uF

+1.8V_DVDD

C6150.1uF50V

C6290.1uF

+3.3V_MULTI_MST

C6430.1uF

C6170.1uF50V

C6020.1uF

C6470.01uF

SPK_R+

M_SC

L

C6100.1uF

C611 22000pF

SPK_L+

+1.8V_AVDD

SPK_L-

C6690.1uF

+16V_NTP

+16V_NTP

SPK_R-

C601100pF

C62522000pF

+1.8V_AVDD

C6720.01uF

C6480.01uF

C6031000pF

SW_RESET

C6730.47uF

C6710.01uF

C6260.1uF

C6130.01uF50V

SPK_L-

SPK_R+

+1.8V_DVDD

SPK_R-

SPK_L+

+1.8V_AVDD

+1.8V

I2S_MCLK

I2S_

SDO

I2S_

WS

I2S_

SCK

C619390pF

C621390pF

C630390pF

C634390pF

C6081uF

C6181uF

C6241uF

C6141uF

C6070.1uF50V

C64210uF35V

C60010uF16V

C60410uF16V

C60910uF 16V

R6043.3

R60812

R61112

R61012

R63812

R6634.7K

R6234.7K

R6263.3

R6253.3

R601 100

R6003.3K

R676

100

R677

100

R678

100

R602100

R603100

R65812

R65312

R62112

R65412

R6284.7K

R6674.7K

R6713.3

R6353.3

IC600NTP-3100L

1BST1A

2VDR1A

3RESET

4AD

5DVSS_1

6VSS_IO

7CLK_I

8VDD_IO

9DGND_PLL

10AGND_PLL

11LFM

12AVDD_PLL

13DVDD_PLL

14TEST0

15DV

SS_2

16DV

DD

17SD

ATA

18WC

K

19BC

K

20SD

A

21SC

L

22MO

NITO

R_0

23MO

NITO

R_1

24MO

NITO

R_2

25FA

ULT

26VD

R2B

27BS

T2B

28PG

ND2B

_1

29 PGND2B_2

30 OUT2B_1

31 OUT2B_2

32 PVDD2B_1

33 PVDD2B_2

34 PVDD2A_1

35 PVDD2A_2

36 OUT2A_1

37 OUT2A_2

38 PGND2A_1

39 PGND2A_2

40 BST2A

41 VDR2A

42 NC

43VD

R1B

44BS

T1B

45PG

ND1B

_1

46PG

ND1B

_2

47OU

T1B_

1

48OU

T1B_

2

49PV

DD1B

_1

50PV

DD1B

_2

51PV

DD1A

_1

52PV

DD1A

_2

53OU

T1A_

1

54OU

T1A_

2

55PG

ND1A

_1

56PG

ND1A

_2

L605

MLB-201209-0120P-N20LCML00003B

120-ohm

L606

MLB-201209-0120P-N2

0LCML00003B

120-ohm

C63833pF50V

READY

C63933pF50VREADY

+3.3V_MST

R63010K

Q603RT1C3904-T112E

BC

R629 10K

MULTI_PW_SWR627

0

READY

R624

0

READY

L608MLB-201209-0120P-N2

L609

MLB-201209-0120P-N2

L610MLB-201209-0120P-N2

L611

MLB-201209-0120P-N2

C61268uF35V

C64068uF35V

L607AD-9060

EAP61008401

2S

1S 1F

2F

L603AD-9060

EAP61008401

2S

1S 1F

2F

P600

SMAW250-H04R

1

2

3

4

R63147K

READY

R673 0

AUDIO

2009/12/23

6 9

Main AMP

LD330/LD420

LP91HEAX61532102

Copyright © 2010 LG Electronics. Inc. All rights reserved.Only for training and service purposes LGE Internal Use Only

Page 24: lg_22ld330-mb_chassis_lp91h_[ET]

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.

DDR2

_A[2

]

DDR2_D[1]

DDR2

_A[6

]

DDR2_D[5]

DDR2

_A[1

0]

DDR2_D[0]

DDR2_D[10]

DDR2

_A[1

2]

DDR2_D[14]

DDR2

_A[0

]

DDR2_D[6]

DDR2

_A[5

]

DDR2_D[3]

DDR2

_A[4

]

DDR2_D[4]

DDR2_D[12]

DDR2

_A[9

]

DDR2_D[11]

DDR2

_A[8

]

DDR2_D[8]

DDR2_D[7]

DDR2_D[15]

DDR2_D[9]

DDR2

_A[3

]

DDR2_D[13]

DDR2

_A[1

1]

DDR2_D[2]

DDR2

_A[1

]

DDR2

_A[7

]

TXCE3-TXCE3+

TXCLKE-TXCLKE+TXCE2-TXCE2+TXCE1-TXCE1+TXCE0-TXCE0+

TXCE4+TXCE4-

TXCO0+

TXCO0-

TXCO1+

TXCO1-

TXCO2+

TXCO2-

TXCLKO+

TXCLKO-

TXCO3+

TXCO3-

TXCO4+

TXCO4-

MULTI_PW_SW

R859 10

AR81

2

56

SUB_SDA

+1.8V_DDR

COMP2_PB

DDR2_DQM0

R825

100

C828 0.047uF

KEY1

RL_O

N

IC802MX25L6405DMI-12G

3 NC_1

2 VCC

4 NC_2

1 HOLD

6 NC_4

5 NC_3

7 CS

8 SO/SIO1 9WP/ACC

10GND

11NC_5

12NC_6

13NC_7

14NC_8

15SI.SIO0

16SCLK

C8640.01uF

C882

0.1u

F

I2S_

SCK

TMDS2_RX2-C833 0.1uF

I2S_

MCLK

USB_

DN

R882 100

MAIN_SIF

PC_G

R802

410

0

R844 33

C830 0.047uF

PANE

L_ST

ATUS

TMDS2_RX0+

C842 0.1uF

SW_RESET

RXD

C8580.01uF

TMDS2_RX2+

+3.3V_MULTI_MST

C813

0.1u

FX8

0112

MHz

R874 10

R839

1M

C812

4.7uF 10V

RL_ON

M_SD

A

+3.3V_MST

EEP_SCL

E-DI

M

SIDE_RIN

R862 10

AR805

56

DDR2_DQM1

EEP_

SCL

CEC_

C

C86610uF

C8600.01uF

R834 47

AR81

3

56SYS_

RESE

T

SPI_

CZ

I2S_

SDO

C815 0.1uF

TMDS2_RXC+

DDC_

SCL1

C837 0.047uF

POWE

R_SW

R832 47

TMDS2_RXC-

C848 0.1uF

AR810

56

C838 0.1uF

+1.2V_VDDC_MST

+3.3V_MULTI_MST

SW800JTP-1127WEM

1

2 4

3

C8110.1uF

DDR2

_CAS

Z

PANEL_ON

C835 1000pF

C849 0.1uF

PC_B

+3.3V_MULTI_MST

C829 0.047uF

DDR2

_BA1

DISP_EN/VAVS_ON

DDR2

_RAS

Z

DDR2_D[0-15]R854 10

COMP2_Y

AR81

833

C832 0.047uF

PC_A

UD_L

PC_V

S

CVBS

_LIN

SPI_DI

C883

0.1u

F

DDR2

_BA0

EEP_SCL

C8590.01uF

+3.3V_MULTI_MST

DDR2_DQS0M

SIDE_LIN

SIDE_V

C831 0.047uF

C8030.01uF

TMDS2_RX1+

+1.8V_DDR

DDC_

SDA1

SUB_SCL

DSUB

_SDA

R890 10

R881 100

IC803CAT24WC08W-T

3A2

2A1

4VSS

1A0

5SDA

6SCL

7WP

8VCC

DDR2

_CKE

SPI_

CLK

+3.3V_MULTI_MST

DDR2_DQS1M

C8070.01uF

D803KDS181

USB_

DP

+3.3V_MST

R802

510

0

+3.3V_MULTI_MST

AR809

56

I-DI

M

SPI_CZ

C808

0.1u

F

C804 0.1uF

R852

56

IR EEP_

SDA

DDR2_A[0-12]

CVBS_VIN

R851 10

DDR2_DQS1P

TMDS2_RX0-

+3.3V_MULTI_MST

DDR2_DQS0P

R869 10

R837 47

DDR2_MCLKZ

DDR2

_WEZ

TXD

AR806

56

C834 0.047uF

EEP_SDA

TMDS1_RXC+

IC80124LC256-I/SM

3A2

2A1

4VSS

1A0

5SDA

6SCL

7WP

8VCC

COMP

2_R

M_SC

L

+3.3V_MULTI_MST

PC_H

S

TMDS1_RX2-

C850 0.01uF

+3.3V_MULTI_MST

C87047uF25V

+3.3V_MULTI_MST

R835 470

R891 10

D802KDS181

TV_MAIN

C818

1000

pF

COMP2_PR

Q804RT1C3904-T112

26_32INCH E

B

C

C8670.1uF

R802

610

0P_24V_SMALL_15VC8

400.

01uF

C861 2.2uF

HPD_MST_1

R873 10

R880 10

SPI_DO

PC_A

UD_R

AR81

4

56

+1.2V_VDDC_MST

R802

310

0

TMDS2_RX1-

DDC_

SCL2

R858 10

R892 10

TMDS1_RX1+

R871 10

TMDS1_RX2+

EEP_SDA

AR80

0

56

D801KDS181

DDR2

_ODT

TMDS1_RXC-

SPI_

DI

I2S_

WS

DDR2_MCLK

C826 0.047uF

TMDS1_RX0-

R872 10

R879 10

HPD_MST_2

C853 0.1uF

DSUB

_SCL

C8650.01uF

COMP

2_L

C809

10uF

16V

+1.8V_DDR

C8620.01uF

+1.2V_VDDC_MST

TMDS1_RX1-

C820

4.7u

F

R824

100

R829

100

KEY2

AR81

5

56

TMDS1_RX0+

C8570.01uF

CVBS

_RIN

C856 2.2uF

C869 0.1uF

+3.5V_MST

C8140.1uF

50V

PC_R

SPI_CLK

R843 33

C844

0.1u

F

R856 10

DDC_

SDA2

SPI_

DO

P_12V_SMALL_15V+3.5V_MST

POWER_DET

POWE

R_DE

TQ803RT1C3904-T112

E

BC

+3.5V_MST

SYS_RESET

R801

210

0

C8770.01uF

C8780.01uF

C8790.01uF

TXD

RXD

C863

0.1u

F

Q800ISA1530AC1

EB

C

C80002.2uF16V

READY

+3.3V_MST

DDC_WP

OPC_EN

R8774.7K

R80044.7K

R8174.7K

R800

0

READY

R8001

0

R840 390

R814 47

R816 47

R818 47

R838 47

R833 47

R836 47

R803 470

R804 47

R815 47

R897 47

R802 47

R831 47

R857 47

R830 47

R875 47

R876 47

R846 100

R847 100

R8634.7K

R8644.7K

R865 4.7K

R866 4.7K

R867

1KR8

681K

R802

110

0

R802

210

0

R850

100

R849

100

R895

100

R801

70RE

ADY

R801

60RE

ADY

R803

30R

EADY

R802010K

R800310K

C800 0.047uF

C801 0.047uF

C827 0.047uF

C825 0.047uFC847 0.047uF

C845 0.047uF

C843 0.047uF

C836 0.047uF

C868 0.1uF

C846 1000pF

R8841KREADY

R8891K

R8111KREADY

R8831K

R80284.7K

R80274.7K

R812 22

R813 22

C819 0.1uF

C806 0.1uF

C805 0.1uF

R896 4.7KSmall_HD

R80104.7K

Small_HD

R8005 22

R8006 22

C8714.7uF10V

READY

L800 120-ohm

L801

120-ohm

L802120-ohm

C823

2.2u

F

C824

2.2u

F

C821

2.2u

F

C873

2.2u

F

C822

2.2u

F

C874

2.2u

F

C802

2.2u

F

C875

2.2u

F

R819 3.3K

DSUB

_SDA

LED_

R

Q805RT1C3904-T112READY

EBC

DDC_WPR828

10KREADY

R8784.7K

R893 4.7K

R861

1K

R8037

0

26_32INCH

R886

2K

R885

150R860 1K

R800010K

R8007

33K

26_32INCH

R85510K

R853

1K

R888

100R88733K

C817

20pF

C816

20pF

R803620K

C810 1uF

+3.3V_MULTI_MST+3.3V_MULTI_MSTR80114.7K

Small_FHDR898 4.7KNon_Small_FHD

R8010-*4 4.7K

LGD Joker

R8010-*14.7K

Apollo

R896-*5 4.7K

O/S Joker

R898-*2 4.7KApollo

R896-*2 4.7K

Small_FHD

R898-*5 4.7K

O/S JokerR8010-*5 4.7K

26" FHD

R8011-*3 4.7KNon_Small_HD

R8011-*14.7K

100Hz

R8011-*4 4.7K26" FHD

R896-*1 4.7KNon_Small_HD

R898-*1 4.7K

100Hz

R8010-*24.7K

Non_Small_FHD

R896-*4 4.7K

26" FHD

R896-*3 4.7K

LGD Joker

R8011-*2 4.7KApollo

R8010-*3 4.7KSmall_FHD

R898-*4 4.7K

26" FHD

R898-*3 4.7K

LGD Joker

R8011-*5 4.7KO/S Joker

C8510.1uF

OLP

R8040

100HDMI3_SIDE

R801

10HD

MI3_

SIDE

R8039

100HDMI3_SIDE

TMDS

3_RX

0-

TMDS

3_RX

0+

DDC_

SCL3

TMDS

3_RX

C+

R820

10HD

MI3_

SIDE

R822

10HD

MI3_

SIDE

HPD_

MST_

3

R841

10HD

MI3_

SIDE

TMDS

3_RX

2+

DDC_

SDA3

R821

10HD

MI3_

SIDE

TMDS

3_RX

1-

R848

10HD

MI3_

SIDE

TMDS

3_RX

2-

R823

10HD

MI3_

SIDE

TMDS

3_RX

C-

TMDS

3_RX

1+

R805

10HD

MI3_

SIDE

R8038 100

C876

0.01

uF

IC804

KIA7427F

2

GND

3 OUT1VCC

R8084.7K

C839

2.2uF 10V

C8410.22uF16V

R807

0

READY

IC800

LGE4765A (Matrix basic_NON_SRS)

1 RXBCKN

2 RXBCKP

3 RXB0N

4 RXB0P

5 HOTPLUGB

6 RXB1N

7 RXB1P

8 AVDD_33_1

9 RXB2N

10 RXB2P

11 RXACKN

12 RXACKP

13 RXA0N

14 RXA0P

15 AVDD_33_2

16 RXA1N

17 RXA1P

18 GND_1

19 RXA2N

20 RXA2P

21 HOTPLUGA

22 REXT

23 VCLAMP

24 REFP

25 REFM

26 BIN1P

27 SOGIN1

28 GIN1P

29 RIN1P

30 BINM

31 BIN0P

32 GINM

33 GIN0P

34 SOGIN0

35 RINM

36 RIN0P

37 AVDD_33_3

38 GND_2

39 BIN2P

40 GIN2P

41 SOGIN2

42 RIN2P

43 CVBS6

44 CVBS5

45 CVBS4

46 CVBS3

47 CVBS2

48 CVBS1

49 VCOM1

50 CVBS0

51 VCOM0

52 AVDD_33_4

53 CVBSOUT

54 GND_3

55 SIF0P

56 SIF0M

57 VDDC_1

58 AUL5

59 AUR5

60 AUVRM

61 AUOUTL2

62 AUOUTR2

63 AUOUTL1

64 AUOUTR1

65AU

L0

66AU

R0

67AU

L1

68AU

R1

69AU

L2

70AU

R2

71AU

L3

72AU

R3

73AU

COM

74AU

L4

75AU

R4

76GN

D_4

77AU

VRP

78AU

VAG

79AV

DD_A

U

80GN

D_5

81VD

DC_2

82DD

CA_C

K

83DD

CA_D

A

84DD

CDA_

CK

85DD

CDA_

DA

86DD

CDB_

CK

87DD

CDB_

DA

88GP

IO20

89VD

DP_1

90VD

DC_3

91UA

RT2_

RX

92UA

RT2_

TX

93DD

CDC_

CK

94RX

CCKN

95RX

CCKP

96DD

CDC_

DA

97RX

C0N

98RX

C0P

99GN

D_6

100

RXC1

N

101

RXC1

P

102

AVDD

_DM

103

RXC2

N

104

RXC2

P

105

HOTP

LUGC

106

USB1

_DM

107

USB1

_DP

108

SCK

109

SDI

110

SDO

111

SCZ

112

PWM0

113

PWM1

114

PWM2

115

PWM3

116

LVA4

P

117

LVA4

M

118

LVA3

P

119

LVA3

M

120

LVAC

KP

121

LVAC

KM

122

LVA2

P

123

LVA2

M

124

LVA1

P

125

LVA1

M

126

LVA0

P

127

LVA0

M

128

VDDP

_2

129LVB4P

130LVB4M

131LVB3P

132LVB3M

133LVBCKP

134LVBCKM

135LVB2P

136LVB2M

137LVB1P

138LVB1M

139LVB0P

140LVB0M

141AVDD_LPLL

142GND_7

143VDDC_4

144GPIO150/I2C_OUT_MUTE

145GPIO151/I2C_OUT_SD2

146GPIO152/I2C_OUT_SD3

147GND_8

148GPIO51

149GPIO52

150GPIO53

151GPIO54

152GPIO55

153GPIO56

154GPIO57

155GPIO58

156VDDP_3

157VDDC_5

158B_MDATA[4]

159B_MDATA[3]

160GND_9

161B_MDATA[1]

162B_MDATA[6]

163AVDD_DDR_1

164B_MDATA[11]

165B_MDATA[12]

166GND_10

167B_MDATA[9]

168B_MDATA[14]

169AVDD_DDR_2

170B_DDR2_DQM[1]

171B_DDR2_DQM[0]

172GND_11

173B_DDR2_DQS[0]

174B_DDR2_DQSB[0]

175AVDD_DDR_3

176VDDP_4

177GND_12

178B_DDR2_DQS[1]

179B_DDR2_DQSB[1]

180AVDD_DDR_4

181B_MDATA[15]

182B_MDATA[8]

183GND_13

184B_MDATA[10]

185B_MDATA[13]

186AVDD_DDR_5

187B_MDATA[7]

188B_MDATA[0]

189B_MDATA[2]

190B_MDATA[5]

191B_MCLK

192B_MCLKZ

193

GND_

14

194

AVDD

_MEM

PLL

195

MVRE

F

196

A_OD

T

197

A_RA

SZ

198

A_CA

SZ

199

A_MA

DR[0

]

200

A_MA

DR[2

]

201

A_MA

DR[4

]

202

GND_

15

203

A_MA

DR[6

]

204

A_MA

DR[8

]

205

A_MA

DR[1

1]

206

A_WE

Z

207

A_BA

DR[1

]

208

A_BA

DR[0

]

209

A_MA

DR[1

]

210

A_MA

DR[1

0]

211

AVDD

_DDR

_6

212

A_MA

DR[5

]

213

A_MA

DR[9

]

214

A_MA

DR[1

2]

215

A_MA

DR[7

]

216

A_MA

DR[3

]

217

A_MC

LKE

218

VDDC

_6

219

I2S_

IN_W

S/GP

IO67

220

I2S_

IN_B

CK/G

PIO6

8

221

I2S_

IN_S

D

222

I2S_

OUT_

MCK

223

I2S_

OUT_

WS

224

VDDP

_5

225

GND_

16

226

VDDC

_7

227

I2S_

OUT_

BCK

228

I2S_

OUT_

SD

229

SPDI

FO

230

UART

2_RX

/I2C

M_SD

A

231

UART

2_TX

/I2C

M_SC

K

232

UART

1_RX

/GPI

O86

233

UART

1_TX

/GPI

O87

234

GND_

17

235

GND_

18

236

USB0

_DM

237

USB0

_DP

238

SAR0

239

SAR1

240

SAR2

241

SAR3

242

AVDD

_MPL

L

243

XOUT

244

XIN

245

GPIO

134

246

GPIO

135

247

GPIO

138

248

GPIO

139

249

GPIO

140

250

IRIN

251

HSYN

C0

252

VSYN

C0

253

HSYN

C1

254

VSYN

C1

255

CEC

256

HWRE

SET

IC800-*1Only Divx

1RXBCKN

2RXBCKP

3RXB0N

4RXB0P

5HOTPLUGB

6RXB1N

7RXB1P

8AVDD_33_1

9RXB2N

10RXB2P

11RXACKN

12RXACKP

13RXA0N

14RXA0P

15AVDD_33_2

16RXA1N

17RXA1P

18GND_1

19RXA2N

20RXA2P

21HOTPLUGA

22REXT

23VCLAMP

24REFP

25REFM

26BIN1P

27SOGIN1

28GIN1P

29RIN1P

30BINM

31BIN0P

32GINM

33GIN0P

34SOGIN0

35RINM

36RIN0P

37AVDD_33_3

38GND_2

39BIN2P

40GIN2P

41SOGIN2

42RIN2P

43CVBS6

44CVBS5

45CVBS4

46CVBS3

47CVBS2

48CVBS1

49VCOM1

50CVBS0

51VCOM0

52AVDD_33_4

53CVBSOUT

54GND_3

55SIF0P

56SIF0M

57VDDC_1

58AUL5

59AUR5

60AUVRM

61AUOUTL2

62AUOUTR2

63AUOUTL1

64AUOUTR1

65

AUL0

66

AUR0

67

AUL1

68

AUR1

69

AUL2

70

AUR2

71

AUL3

72

AUR3

73

AUCOM

74

AUL4

75

AUR4

76

GND_4

77

AUVRP

78

AUVAG

79

AVDD_AU

80

GND_5

81

VDDC_2

82

DDCA_CK

83

DDCA_DA

84

DDCDA_CK

85

DDCDA_DA

86

DDCDB_CK

87

DDCDB_DA

88

GPIO20

89

VDDP_1

90

VDDC_3

91

UART2_RX

92

UART2_TX

93

DDCDC_CK

94

RXCCKN

95

RXCCKP

96

DDCDC_DA

97

RXC0N

98

RXC0P

99

GND_6

100

RXC1N

101

RXC1P

102

AVDD_DM

103

RXC2N

104

RXC2P

105

HOTPLUGC

106

USB1_DM

107

USB1_DP

108

SCK

109

SDI

110

SDO

111

SCZ

112

PWM0

113

PWM1

114

PWM2

115

PWM3

116

LVA4P

117

LVA4M

118

LVA3P

119

LVA3M

120

LVACKP

121

LVACKM

122

LVA2P

123

LVA2M

124

LVA1P

125

LVA1M

126

LVA0P

127

LVA0M

128

VDDP_2

129 LVB4P130 LVB4M131 LVB3P132 LVB3M133 LVBCKP134 LVBCKM135 LVB2P136 LVB2M137 LVB1P138 LVB1M139 LVB0P140 LVB0M141 AVDD_LPLL142 GND_7143 VDDC_4144 GPIO150/I2C_OUT_MUTE145 GPIO151/I2C_OUT_SD2146 GPIO152/I2C_OUT_SD3147 GND_8148 GPIO51149 GPIO52150 GPIO53151 GPIO54152 GPIO55153 GPIO56154 GPIO57155 GPIO58156 VDDP_3157 VDDC_5158 B_MDATA[4]159 B_MDATA[3]160 GND_9161 B_MDATA[1]162 B_MDATA[6]163 AVDD_DDR_1164 B_MDATA[11]165 B_MDATA[12]166 GND_10167 B_MDATA[9]168 B_MDATA[14]169 AVDD_DDR_2170 B_DDR2_DQM[1]171 B_DDR2_DQM[0]172 GND_11173 B_DDR2_DQS[0]174 B_DDR2_DQSB[0]175 AVDD_DDR_3176 VDDP_4177 GND_12178 B_DDR2_DQS[1]179 B_DDR2_DQSB[1]180 AVDD_DDR_4181 B_MDATA[15]182 B_MDATA[8]183 GND_13184 B_MDATA[10]185 B_MDATA[13]186 AVDD_DDR_5187 B_MDATA[7]188 B_MDATA[0]189 B_MDATA[2]190 B_MDATA[5]191 B_MCLK192 B_MCLKZ1

93

GND_14

194

AVDD_MEMPLL

195

MVREF

196

A_ODT

197

A_RASZ

198

A_CASZ

199

A_MADR[0]

200

A_MADR[2]

201

A_MADR[4]

202

GND_15

203

A_MADR[6]

204

A_MADR[8]

205

A_MADR[11]

206

A_WEZ

207

A_BADR[1]

208

A_BADR[0]

209

A_MADR[1]

210

A_MADR[10]

211

AVDD_DDR_6

212

A_MADR[5]

213

A_MADR[9]

214

A_MADR[12]

215

A_MADR[7]

216

A_MADR[3]

217

A_MCLKE

218

VDDC_6

219

I2S_IN_WS/GPIO67

220

I2S_IN_BCK/GPIO68

221

I2S_IN_SD

222

I2S_OUT_MCK

223

I2S_OUT_WS

224

VDDP_5

225

GND_16

226

VDDC_7

227

I2S_OUT_BCK

228

I2S_OUT_SD

229

SPDIFO

230

UART2_RX/I2CM_SDA

231

UART2_TX/I2CM_SCK

232

UART1_RX/GPIO86

233

UART1_TX/GPIO87

234

GND_17

235

GND_18

236

USB0_DM

237

USB0_DP

238

SAR0

239

SAR1

240

SAR2

241

SAR3

242

AVDD_MPLL

243

XOUT

244

XIN

245

GPIO134

246

GPIO135

247

GPIO138

248

GPIO139

249

GPIO140

250

IRIN

251

HSYNC0

252

VSYNC0

253

HSYNC1

254

VSYNC1

255

CEC

256

HWRESET

R806

0

R827

0

R826

0

R870

0

R894

0

R899

0

R803

40

R803

50

MNT_VOUT_T

R845 4.7K

READY

2009/12/23

7 9MSTAR

I2S_OUT

EEPROM

HDMI

_1

[MODE SELECTION]

HDMI

_2

C804/C805/C806:Close to IC as close as possible

RESET

Clos

e to

IC

with

wid

th t

race

Close to IC as close as possible

HDCP EEPROM

USB

PART

SERIAL FLASH 64M

4.7K X

4.7K

4.7K

X4.7K

R8010

X

R898

Non Small FHD

4.7K

X 4.7K

Small HD

*H/W OPTION

4.7K

4.7K 4.7K

100HZ

4.7K4.7K4.7K

Apollo

Non Small HD

R8011

X

X

X

4.7KX

R896

X

Small FHD (22")

4.7K

X

** Small HD : 19/22/26 Inch** Non Small FHD : Normal(non 100Hz) FHD Model

4.7KLGD Joker 4.7K X4.7K

** LGD Joker : LF Series (10BIT FHD, LED ON/OFF)

4.7K26" FHD 4.7K 4.7K 4.7KXO/S Joker 4.7K 4.7K 4.7K

** 26" FHD : 10BIT,LED ON/OFF

** O/S Joker : LF Series (8BIT FHD, LED ON/OFF)

** Small FHD (22"): 8BIT,LED ON/OFF

LD330/LD420

LP91HEAX61532102

Closed IC

HDMI_3

Copyright © 2010 LG Electronics. Inc. All rights reserved.Only for training and service purposes LGE Internal Use Only

Page 25: lg_22ld330-mb_chassis_lp91h_[ET]

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.

DDR2_A[0]

DDR2_A[12]

DDR2_A[11]

DDR2_A[1]

DDR2_A[2]

DDR2_A[3]

DDR2_A[4]

DDR2_A[5]

DDR2_A[6]

DDR2_A[7]

DDR2_A[8]

DDR2_A[9]

DDR2_A[10]

DDR2_D[0-15]

DDR2_D[0]

DDR2_D[1]

DDR2_D[2]

DDR2_D[3]

DDR2_D[4]

DDR2_D[5]

DDR2_D[6]

DDR2_D[7]

DDR2_D[8]

DDR2_D[9]

DDR2_D[10]

DDR2_D[11]

DDR2_D[12]

DDR2_D[13]

DDR2_D[14]

DDR2_D[15]

+1.8V_DDR

DDR2_A[0-12]

DDR2_BA0

DDR2_BA1

DDR2_MCLKDDR2_MCLKZDDR2_CKE

DDR2_ODT

DDR2_RASZDDR2_CASZDDR2_WEZ

DDR2_DQS0PDDR2_DQS1P

DDR2_DQM0DDR2_DQM1

DDR2_DQS0MDDR2_DQS1M

+1.8V_DDR

+1.8V_DDR

DDR2_D[0-15]

C9051000pF

V_REF

R900

56R90156

R902

56R90356

R904

56R90556

C9040.01uF

C9000.01uF50V

C9010.01uF

C9020.01uF

C9030.01uF

C9060.01uF

C9070.01uF

C9080.01uF

C9090.01uF

C9100.01uF

C9110.01uF

C9120.01uF

C9130.01uF

C9140.01uF

C9150.01uF

C9160.01uF

C9170.01uF

+1.8V_DDR

R906150

READY

V_REF

C9180.1uF50V

C91910uF10V

R9071K

R9081K

IC900

H5PS5162FFR-S6C

J2VREF

J8CK

H2 VSSQ2

B7UDQS

N8A4

P8A8

L1NC4

L2BA0

R8NC3

K7RAS

F8 VSSQ3

F3LDM

P3A9

M3A1

N3A5

K8CK

R3NC5

L3BA1

J7VSSDL

L7CAS

F2 VSSQ4

B3UDM

M2A10/AP

K2CKE

R7NC6

M7A2

N7A6

M8A0

J1VDDL

K3WE

E8LDQS

P7A11

K9ODT

A2NC1

N2A3

P2A7

H8 VSSQ1

F7LDQS

A8UDQS

R2A12

L8CS

E2NC2

E7 VSSQ5D8 VSSQ6D2 VSSQ7A7 VSSQ8B8 VSSQ9B2 VSSQ10

P9 VSS1N1 VSS2J3 VSS3E3 VSS4A3 VSS5

G9 VDDQ1G7 VDDQ2G3 VDDQ3G1 VDDQ4E9 VDDQ5C9 VDDQ6C7 VDDQ7C3 VDDQ8C1 VDDQ9A9 VDDQ10

R1 VDD1M9 VDD2J9 VDD3E1 VDD4A1 VDD5

B9 DQ15B1 DQ14D9 DQ13D1 DQ12D3 DQ11D7 DQ10C2 DQ9C8 DQ8F9 DQ7F1 DQ6H9 DQ5H1 DQ4H3 DQ3H7 DQ2G2 DQ1G8 DQ0

DDR2

DDR2 8 9

2009/12/23

DDR2 MEMORY

Close to DDR2 IC

Close to DDR2 IC

LD330/LD420

LP91HEAX61532102

Copyright © 2010 LG Electronics. Inc. All rights reserved.Only for training and service purposes LGE Internal Use Only

Page 26: lg_22ld330-mb_chassis_lp91h_[ET]

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.

R1003

10K

26_32INCH

0.01uFC1046

50V

RL_ON

LD1002SAM2333

0.01uFC1057

50V

2SC3875SQ1000

26_32INCH

12

3

0.01uFC1011

50V

0.01uFC1021

50V

R106533K

26_32INCH

C10561uF25V

R104933K

R1048

10K Q1001RT1C3904-T112E

B

C 0.01uFC1010

50V

C10050.1uF50V

C1009100uF16V

POWER_SW

R100210K

Q1003

SI4925BDY

EBK32753101

3S2

2G1

4G2

1S1

5D2_1

6D2_2

7D1_1

8D1_2

Q1004RT1C3904-T112

E

B

C

R1068

10K

R10691.6K

R107022K

C10481uF25V

0.01uFC1053

50V

R10051.2K

P_3.5V

+16V_NTP

+3.5V_MST

P_12V_SMALL_15V

+3.5V_MST

+3.3V_MST

+5V_+12V_LCD

+3.5V_MULTI

+3.5V_MST

+5V_MULTI P_12V_SMALL_15V

P_3.5V

+3.5V_MST +3.5V_MULTI

PANEL_ON

C10580.1uF50V

C101910uF16V

C104510uF16V

P_24V_SMALL_15V

R1065-*1

10K

19_22INCH

IC1006MP2212DN

3IN

2GND

4BS

1FB

5 VCC

6 SW_1

7 SW_2

8 EN/SYNC

+3.5V_MULTI

R105610

19_22INCH

C10240.1uF50V

19_22INCH

10K

R105926_32INCH

C1026100uF16V

READY

5.6KR1058

D1001

50V

19_22INCH

10uFC1030

25V10uFC1031

25V

C100010uF16V

C102010uF16V

+1.2V_VDDC_MST

C10540.1uF50V

+1.8V_DDR

+1.8V

+3.5V_MULTI

C10140.1uF16V

IC1001BD9130EFJ-E2

3ITH

2VCC

4GND

1ADJ

5PGND

6SW

7PVCC

8EN R1044

10K

R10452K

R10533.3K

C101610uF10V

C102210uF6.3V

C10150.1uF50V

C10230.1uF50V

R104312K

C1060560pF50V

C10552200pF50V

READY

R10783.3

READYC105910uF16V C1013

10uF16V

C101710uF16V C1018

10uF16V

IC1002AP1117EG-13

1

ADJ/GND

2 OUT3IN

R10502.2K

R10512.2K

R10522.2K

C104368uF35V

R1012

0

26_32INCH L1009

3.6uH

L1003CIC21J501NE

500

L1008

500

R1054120

R105556

L1004

120-ohm

L100519_22INCH

120-ohmL100626_32INCH

120-ohm

L1007

120-ohm

L1013

120-ohm

C10351uF25V

C10250.1uF16V

L10022.2uH

R102010K

R10182K

26_32INCH

C102768uF35V

READY

R1024

10C10290.1uF50V

+3.5V_MULTI

R1011

0

C10361uF25V

READY

C10371uF25V

READY

C10381uF25V

READY

43KR1057

0.1uFC1040

50V

IC10

04

AP11

17EG

-13

1 ADJ/

GND

2OU

T3

IN

110R1019

110R1025

C1042100uF16V

0.1uFC1039

50V

R1027330

+5V_TUNER

R1026330

+5V_USB

C1041100uF16V

READY

IC10

00

AP11

17EG

-13

1

ADJ/

GND

2OU

T3IN

C10470.1uF16V

C10490.1uF16V

READY

C10330.47uF50V

C10320.1uF50V

P1000FW20020-24S

26_32INCH

1912V

14 GND

93.5V

4 24V

18 INV ON

13GND

8 GND

324V

1712V

12 3.5V

7GND

2 24V

16 GND

113.5V

6 GND

1Power on

20 A-Dim

15GND

10 3.5V

5GND

2112V 22 P-Dim

23GND/P-Dim2 24 Error out

R1028 019_22INCH

OLP

R10150

NON_

19_2

2INC

H

R1023

0

OPC_OUT

R10376.8K

OPT

+3.5V_MULTI

0

R1021BIG_NON_AUO

0

R1017BIG_AUO/IPS

DISP_EN/VAVS_ON

+3.3V_MULTI_MST

0

R1035BIG_LGD/SHARP FHD

R1029 100EXCEPT_BIGCMO

E-DIM

C10121uF25V

OPT

R1030

100

BIG_CMO

Q10022SC3052

E

B

C

I-DIM

C10080.1uF16V

OPT

R1047

10K

0R1034BIG_AUO

PANEL_STATUS

R1031 0BIG_CMO

R10463.3K

R1032 019_22INCH

R10404.7K

READY

P1001SMAW200-12

19_22INCH

115V

215V

3GND

4GND

53.5V

63.5V

7GND

8OLP

9INVERTER_ON

10PWM_Dim

11A_Dim

12NC

P_24V_SMALL_15V

P_24V_SMALL_15V

P_24V_SMALL_15V

P_3.5V P_3.5V

P_12V_SMALL_15V

R1010

0

19_22INCH

R10014.7K

26_32INCH

L1010

120-ohm

READY

ZD10003.6V

READY

L1011120-ohm

READY

ZD10013.6V

READYC1061100uF16V

READY

C10041uF25V

R1022

10

C1006100uF16V

L1001

3.6uH

C10070.1uF50V

+3.5V_MULTI

+3.5V_MULTI

D1000

50V

19_22INCH

10uFC1002

25V

R1014

0

P_12V_SMALL_15V

10uFC1001

25V

R103610

19_22INCH

L1000

500

IC1003MP2212DN

3IN

2GND

4BS

1FB

5 VCC

6 SW_1

7 SW_2

8 EN/SYNC

C10030.1uF50V

C10640.1uF50V

19_22INCH

15KR1009

75KR1008

+5V_MULTI

2SC3875SQ1005

26_32INCH

12

3

R1004

0

READY

R10004.7K

26_32INCH

R10162K

26_32INCH

10K

R101326_32INCH

R1007

0

26_32INCH

R10614.7K

R1062100K

R10664.7K

READY

R1067100K

C105210uF16V

C10500.1uF50V

+3.5V_MULTI

C107110uF16V

C103410uF16V

C10720.1uF16V

R1006100K

READY

R106312K

1%

R106410K

1%

C10682.2uF10V

C10702.2uF10V

C10672.2uF10V

C10652.2uF10V

R8044470K

R8043470K

R104112K

1%

R104210K

1%

R1071

0

26_32INCH

R10720

19_2

2INC

H

R1033 0BIG_LGD

R107347K

READY

ZD10023.6V

READY+3.3V_MULTI_MST

100uFC1028

16V

READY

C10630.1uF50V

C106210uF6.3V

+1.8V

IC1008AP1117EG-13

1

ADJ/GND

2 OUT3IN

R107956

R1077120

R1076

0

READY

+3.5V_MST

C1066100pF50V

READY

C1069100pF50V

READYR1080

10KC10442.2uF10V

POWER_SWR1081

10K

C105110uF6.3V

C10730.1uF50V

C10741uF25V

READY

R10820

READY

R10830

SHAR

P HD

IC1007MP20045DQ-LF-Z

3VOUT_1

2VIN_2

4VOUT_2

1VIN_1

5FB

6GND

7PG

8EN

9

EP[GND]

IC1005MP20045DQ-LF-Z

3VOUT_1

2VIN_2

4VOUT_2

1VIN_1

5FB

6GND

7PG

8EN

9

EP[GND]

R10840

READY

1KR1038

NON_OPC

1KR1039

HD_OPC

R10606.2K

NON_OPC

R10756.2K

HD_OPC

180KR1074

9 9POWER

2009/12/23

LED Block

**5V_MULTI->3.3V->1.2V

**Switch 12V:P12V **Switch 3.5V:3.5.V_MULTI

**DC-DC CONVERTEROUT:6.8V

*ST 3.5V->3.3V

MAX 3A

OUT:1.27V

NTP,AUDIO DSP

DDR2, Vref

V0 = 0.8*(1+(R2/R1))

MAX 2A R1

R2

MAX 1A

R1

R2

V0 = 0.8*(1+(R1/R2))

V0 = 1.25*(1+(R2/R1))

R1

R2

OUT:1.85V

Close to Q1003

R1

**DC-DC CONVERTER

R2

V0 = 0.8*(1+(R1/R2))

MAX 3A

LD330/LD420

LP91HEAX61532102

LGDPIN No

Err_out

V4:VBR-AV5:VBR-A

PWM_DIM

<OS MODULE PIN MAP>

PWM_DIM

INV_ON

INV_ON

GNDPWM_DIM

18

SHARP

INV_ON

24

20

PWM_DIM

INV_ON

NC

Err_out

AUOCMO(09)

A-DIM

22

NC

*12V -> 5V_MULTI

**12V->TUNER 5V

Err_out

IPS

NC

INV_ON

PWM_DIM

PWM_DIM

SMALL

A-DIM

INV_ON

NC

Err_out

closed IC1007

R1

MAX 1A

NTP,AUDIO DSP

OUT:1.85V

R2

Copyright © 2010 LG Electronics. Inc. All rights reserved.Only for training and service purposes LGE Internal Use Only

Page 27: lg_22ld330-mb_chassis_lp91h_[ET]