8. level 3 repairbachkhoapro.edu.vn/.../d5712c2af221434085421903177bddf2.pdf8. level 3 repair 8-1...

8. Level 3 Repair

8-1

Confidential and proprietary-the contents in this service guide subject to change without prior notice.Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.

8-1. Block Diagram

Level 3 Repair

Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

8-2

8-2. PCB Diagrams

8-2-1. Top

Level 3 Repair



8-3

8-2-2. Bottom

Level 3 Repair



8-4

8-3. Flow Chart of Troubleshooting

Equipments

Oscilloscope Digital Multimeter

Power Supply + driver, ESD Safe Tweezer

8960 & Spectrum Analyzer Soldering iron

Level 3 Repair



8-5

8-3-1. Power On

Check the Battery Voltageis more than 3.5V

' Power On ' does not work

Charge the Battery

(Battery power is low)

END

No

Yes

Check U700(PMIC) and Poweron voltage(C760≥1.0V, C758≥1.1V, C757≥1.0V, C755≥1.0V,

C754≥1.2V, C753≥1.35V,C752≥2.0V)

If the output voltage is not satisfied with

normal

condition, Change the U700.

No

Yes

Check the Clock atOSC700(C705) that frequency

is 32K

Check the clock generation circuit

(related to OSC700)

No

Yes

Yes

Check "Power on" by powercable with jig-on

Check the 30pin to 50pin FPCB(SLC500),

Wrong assembly or Wrong connection.

check the initial operation

Yes

No

Yes

Check the ZD500Voltage.(When you press the

power key, ZD500 Voltagehave to same V_BATT

Voltage)

Change the power key FPCB

(GH59-11713A)

(Battery power is low)

No

Yes

Level 3 Repair



8-6

Level 3 Repair



8-7

8-3-2. Initial

Check the AP ResetAP_N_RST_IN(R704) = 1.8V(High)

Initial Failure

Check the U700 and R704 (crack, open, etc.)

END

No

Yes

Yes

NoCheck the oscillator clock waveforms.32.768KHz : OSC700(C705),

24Mhz : OSC6000(R6021)

Check the OSC700, OSC6000(Crack, open etc.)

Yes

Change UCP6000,U700

Abnormal

Change PBA

Re-download SW the cell-phone.

Abnormal

Level 3 Repair



8-8

Level 3 Repair



8-9

8-3-3. Charging Part

Check C512 whether voltagereading is greater than 4.7V

Abnormal charging part

No

Yes

Check C508 whether voltagereading is greater than 4.7V

No

Yes

Check L711Waveform.(switching waveform)

No

Check the TA and the SLC500

(TA or SLC500 may not be connected properly)

Check U505 chip

(U505_OVP chip may not work)

Check L711 (crack, open, etc.)

Yes

YES

Change U702

END

Level 3 Repair



8-10

Level 3 Repair



8-11

8-3-4. Microphone Part

Check 30pin FPCB modulewhere main MIC is placed

for any damage (Tear in FPC,etc)

Check component solderingstatuses of C435, C436

Change the 30pin FPCB module

Resolder or replace C435, C436

END

No

Yes

Yes

Yes

No

Check main microphone function

in voice call speaker mode

or in Voice Recording mode

Check the voltage atC403 = 2.8V Resolder or replace U400

No

Yes

Level 3 Repair



8-12

MICBIAS_LDO_2.8V

C403C402

U400

3CE

GND

5

GND2

4VDD VOUT

1

V_BATT

MICBIAS_EN

C423

R4

12

C434

C433

C429

C440

V_BATT

C439

C424

C431

C428C427

TP_401

C446

C436

TP_400

VCC_1.8V_AP

L4

11

C430

C444

C443

C435

C425

K3

GPIO11|BCLK3K4

DG

ND

K5

CPVOUTNK7K8

CPCB

CP

GN

DK

9

J4

HPOUT1RJ5

HPOUT1LJ6

J7CPVOUTP

CPCAJ8

J9C

PV

DD

BCLK2K1

K2JACKDET

GPIO8|DACDAT3

H4ADCDAT2

DB

VD

D3

H5

H6HPOUT1FB

HPOUT2PH7

H8

HP

2G

ND

J1ADCLRCLK1|GPIO1

DB

VD

D2

J2

J3LRCLK2

GPIO9|ADCDAT3

G3BCLK1

DACDAT2G4

G5GPIO10|LRCLK3

HPOUT2NG8

G9

AV

DD

1

DACDAT1H1

H2SCLK

SDAH3

F2MCLK2

ADDRF3

F4ADCDAT1

VREFCF7

F8

LD

O1V

DD

MICDETF9

G1LRCLK1

DC

VD

DG

2

D8IN1LP

AG

ND

D9

E1

DB

VD

D1

SP

KV

DD

2E

2

E7VMIDC

AV

DD

2E

8

E9

AV

DD

1

MCLK1F1

C9IN2LP|VRXN

SPKOUTRND1

D2

SP

KV

DD

2

SP

KG

ND

2D

3

D4SPKOUTRP

SPKMODED5

D6LDO2ENA

IN1LND7

C1SPKOUTRN

SP

KG

ND

2C

2

C3SPKOUTRP

SP

KG

ND

1C

4

C5LINEOUTFB

LINEOUT1NC6

C7IN1RP

IN2LN|DMICDATC8

B2

SP

KG

ND

1

SPKOUTLPB3B4

SPKOUTLP

LINEOUT2PB5

B6LINEOUT1P

IN2RNB7B8

IN2RP|VRXP

IN1RNB9

A3

SP

KV

DD

1

LDO1ENAA4

A5REFGND

LINEOUT2NA6

A7MICBIAS2

DMICCLKA8

A9MICBIAS1

SPKOUTLNB1

U401

1N

C2

NC

A1SPKOUTLN

SP

KV

DD

1A

2

C437

L4

06

C426

EAROUT_L

C438

LINEOUT_FB

CODEC_LDO_EN

CODEC_CLK32K

EAROUT_FBEAROUT_R

EAR_R_CRADLEEAR_L_CRADLE

SPK_OUTR_N

SPK_OUTL_N

SPK_OUTR_P

SPK_OUTL_P

SPEECH_PCM_SYNCSPEECH_PCM_CLK

SPEECH_PCM_OUT

BT_PCM_OUTBT_PCM_IN

BT_PCM_SYNCBT_PCM_CLK

MAIN_MIC_N

MAIN_MIC_P

MM_I2S_SYNCMM_I2S_DOMM_I2S_DI

MM_I2S_CLK

SPEECH_PCM_IN

CODEC_SCL_1.8VCODEC_SDA_1.8V

XTAL_24MHZ_AP

BH106

C402

C403

C405

C406

C407

C408

C445

C500

C50

1

C503

C504

C51

1

C76

1

C7

62

C7

64

C7

65

C7

66

C769

C77

0

C7

73

D50

0

D502

D504

D5

05

L40

1

L40

2

L500

L711

R420

R4

21

R500

R503

R505R507

R5

25

R526

R5

27

R52

8

R529

R5

30

R5

36

R5

38

R6024

R6038

R7

23

R724 R7

25

SC

102

SLC500

TH

60

01

TP709

U400

U405

U502

U50

7

U702

ZD

400

ZD

401

ZD

501

ZD

502

ZD

503

ZD

504

ZD

505

C400

C40

1

C40

4

C409

C41

4

C417

C418 C41

9

C420

C4

21

C423

C424

C42

5

C42

6

C427

C428

C429

C430

C431

C43

3

C43

4

C435

C436

C43

7

C438

C4

39

C440

C44

1

C44

2

C443

C444

C446

C502

C6026

C60

27

C6028C6029

C6030

F901

L400

L403

L40

4

L40

5

L406

L411

L902

R400

R40

1

R4

02

R403

R408

R411

R41

2

R41

3

R41

4

R415

R41

6

R41

7

R41

8

R41

9

R422

R502

R506

R508

R512R51

4

R52

2

TA400

TP_400

TP_401

TP_UART_SEL

U401

U402

U403

U404

U500

UM

E60

00

ZD404

ZD405

ZD406

ZD407

ZD

40

8

ZD

409

Level 3 Repair



8-13

8-3-5. Speaker Part

Check the signals onZD402, ZD403 / D400, D401

Check speaker function.

Play MP3 with maximum volume level.

No

Resolder or replace U401

END

Yes

Yes

Replace the speakermodule

Yes

Check the connection ofHDC400 / HDC401

Yes

No

Reconnect HDC400 / HDC401

Level 3 Repair



8-14

C423

R4

12

C434

C433

C429

C440

V_BATT

C439

C424

C431

C428C427

TP_401

C446

C436

TP_400

VCC_1.8V_AP

L4

11

C430

C444

C443

C435

C425

K3

GPIO11|BCLK3K4

DG

ND

K5

CPVOUTNK7K8

CPCB

CP

GN

DK

9

J4

HPOUT1RJ5

HPOUT1LJ6

J7CPVOUTP

CPCAJ8

J9C

PV

DD

BCLK2K1

K2JACKDET

GPIO8|DACDAT3

H4ADCDAT2

DB

VD

D3

H5

H6HPOUT1FB

HPOUT2PH7

H8

HP

2G

ND

J1ADCLRCLK1|GPIO1

DB

VD

D2

J2

J3LRCLK2

GPIO9|ADCDAT3

G3BCLK1

DACDAT2G4

G5GPIO10|LRCLK3

HPOUT2NG8

G9

AV

DD

1

DACDAT1H1

H2SCLK

SDAH3

F2MCLK2

ADDRF3

F4ADCDAT1

VREFCF7

F8

LD

O1

VD

D

MICDETF9

G1LRCLK1

DC

VD

DG

2

D8IN1LP

AG

ND

D9

E1

DB

VD

D1

SP

KV

DD

2E

2

E7VMIDC

AV

DD

2E

8

E9

AV

DD

1

MCLK1F1

C9IN2LP|VRXN

SPKOUTRND1

D2

SP

KV

DD

2

SP

KG

ND

2D

3

D4SPKOUTRP

SPKMODED5

D6LDO2ENA

IN1LND7

C1SPKOUTRN

SP

KG

ND

2C

2

C3SPKOUTRP

SP

KG

ND

1C

4

C5LINEOUTFB

LINEOUT1NC6

C7IN1RP

IN2LN|DMICDATC8

B2

SP

KG

ND

1

SPKOUTLPB3B4

SPKOUTLP

LINEOUT2PB5

B6LINEOUT1P

IN2RNB7B8

IN2RP|VRXP

IN1RNB9

A3

SP

KV

DD

1

LDO1ENAA4

A5REFGND

LINEOUT2NA6

A7MICBIAS2

DMICCLKA8

A9MICBIAS1

SPKOUTLNB1

U401

1N

C2

NC

A1SPKOUTLN

SP

KV

DD

1A

2

C437

L4

06

C426

EAROUT_L

C438

LINEOUT_FB

CODEC_LDO_EN

CODEC_CLK32K

EAROUT_FBEAROUT_R

EAR_R_CRADLEEAR_L_CRADLE

SPK_OUTR_N

SPK_OUTL_N

SPK_OUTR_P

SPK_OUTL_P

SPEECH_PCM_SYNCSPEECH_PCM_CLK

SPEECH_PCM_OUT

BT_PCM_OUTBT_PCM_IN

BT_PCM_SYNCBT_PCM_CLK

MAIN_MIC_N

MAIN_MIC_P

MM_I2S_SYNCMM_I2S_DOMM_I2S_DI

MM_I2S_CLK

SPEECH_PCM_IN

CODEC_SCL_1.8VCODEC_SDA_1.8V

XTAL_24MHZ_AP

L409L410

L408L407

66

77 8899

NC

11 12NCNC

13 14NC

HDC400

11

1010

22

33 4455

7 8899

NC

11 12NCNC

13 14NC

11

1010

2 2

33 4455 66

7

HDC401

ZD

403

ZD

402

D4

01

D4

00

SPK_OUTR_PSPK_OUTR_N

SPK_OUTL_PSPK_OUTL_N

C8

13

C81

5

F80

0F801 F802

HD

C4

00

L407

L408

SLC800

ZD

402

ZD

40

3

C200

C201

C202

C203

C204

C205

C2

06

C2

09

C2

10

C21

3

C214C2

15

C2

16

C218

D4

00

D4

01

F200

HD

C40

1

L200

L201

L409

L410

R200

R20

1

R206

SC100

TP200

TP201

TP202

TP203TP204

TP205

TP206

TP207

U200

U201

C400

C40

1

C40

4

C409

C41

4

C417

C418 C41

9

C420

C4

21

C423

C424

C42

5

C42

6

C427

C428

C429

C430

C431

C43

3

C43

4

C435

C436

C43

7

C438

C4

39

C440

C44

1

C44

2

C443

C444

C446

C502

C6026

C60

27

C6028C6029

C6030

F901

L400

L403

L40

4

L40

5

L406

L411

L902

R400

R40

1

R4

02

R403

R408

R411

R41

2

R41

3

R41

4

R415

R41

6

R41

7

R41

8

R41

9

R422

R502

R506

R508

R512R51

4

R52

2

TA400

TP_400

TP_401

TP_UART_SEL

U401

U402

U403

U404

U500

UM

E60

00

ZD404

ZD405

ZD406

ZD407

ZD

40

8

ZD

409

Level 3 Repair



8-15

8-3-6. BT/WIFI

BT/WiFi is not working

Check BT or WiFi functionON

NoEnable BT or WiFi Function

Yes

END

Check the Voltage on C222 =1.8V

NoCheck AP PMIC(U700)

Yes

Check 37.4MHz Clock atR209

NoCheck OSC201

Yes

Check the Voltage on L204 =1.8V

NoResolder or change L204

Yes

Check the Status ofC225,C226, ANT200

NoResolder or Replace C225,C226, ANT200

Yes

Resolder or Replace U202

Yes

Yes

Level 3 Repair



8-16

Level 3 Repair



8-17

8-3-7. S-Pen

Yes

Check the S-Penconnector on Main PBA Reconnect the CN900

No

Check the voltageC907 = 3.3V

Resolder R913, U902, C907, L900, L901

Replace the PBA

No

Yes

Resolder C935, C942, OSC900

Replace the PBA.

No

Check C935, C942 is20MHz

Yes

END

Replace the LCD ass'y

"S-Pen" function does not work

Check I2C modeR909 = HIGH, R930 = open

R907, R908 = HIGH

No

Yes

Yes

Resolder R909, R930, R907, R908, U901

Replace the PBA

Check the PDCT, IRQ linePDCT R926 = HighIRQ R923 = LOW

Yes

No Resolder R926, R923, U900

Replace the PBA.

Abnorma

Level 3 Repair



8-18

Level 3 Repair



8-19

Level 3 Repair



8-20

8-3-8. 5M CAM

Yes

Check the Cameraconnector on Main PBA Reconnect the HDC900

No

Check the voltageC910 = 1.2V,C912 = 2.8VC913 = 1.8VC914 = 2.8V

Resolder C910, C750

Resolder C912, C749

Resolder C913, C741

Resolder C914, C6067, U903

Replace the PBA

No

Yes

Resolder R912, C909

Replace the PBA.

No

Check R912 is 24MHz

Yes

END

Replace the camera module

"Camera" function does not work

Check the I2C lineTP900 & TP901 = HIGH

No

Yes

Yes

Resolder R6057, R6058

Replace the PBA

Check F902, F903, F904

Yes

No Resolder F902, F903, F904

Replace the PBA.

Abnorma

Level 3 Repair



8-21

C745C744C742 C749C747

VTF_2.8V

C743C741

VDDQ_PRE_1.8V

5M_AF_2.8V5M_IO_1.8V

C748

VMEM_VDD_2.8V

C746

VT_CAM_2.8V

VT_CAM_1.8VVLED_3.3V

VDD_ADC_3.3V

Level 3 Repair



8-22

8-3-9. 1.9M CAM

Yes

Check the Cameraconnector on Main PBA Reconnect the HDC901

No

Check the voltageC922 = 2.8VC923 = 1.8V

No

Yes

Yes

END

Replace the camera module

"Camera" function does not work

No

Yes

Resolder C922, C747

Resolder C923, C742

Replace the PBA

Check R916 is 24MHz Resolder R703, C920

Replace the PBA.

NoCheck the I2C lineTP907 & TP908 = HIGH

Resolder R6034, R6035

Replace the PBA

Yes

Abnorma

l

Check F901

Yes

No Resolder F901

Replace the PBA.

Level 3 Repair



8-23

C745C744C742 C749C747

VTF_2.8V

C743C741

VDDQ_PRE_1.8V

5M_AF_2.8V5M_IO_1.8V

C748

VMEM_VDD_2.8V

C746

VT_CAM_2.8V

VT_CAM_1.8VVLED_3.3V

VDD_ADC_3.3V

BH109

C429

C6067

C92

0

C9

22

C9

23

F901

HDC901

L406

L902

R91

6

TP_400

TP

903

TP907TP908

U903

Level 3 Repair



8-24

8-3-10. LCD

LCD is still off after PWR ON

Yes

NoReconnect the SLC800Check the connection of

SLC 800

Yes

END

NoCheck the LDO(U803)

Check the C807and High(28V)

Yes

Check the IC UCP6000

Check C819 = 5V

Yes

Check the signalDISPLAY_PCLK(TP804)

Yes

Replace LCDModule

Yes

NoCheck the Backlight Driver IC(U802)

No

No

Check C803 = 3.3V

YesCheck the IC U800, U801

Level 3 Repair



8-25

Level 3 Repair



8-26

Level 3 Repair



8-27

Level 3 Repair



8-28

8-3-11. TSP

Touch Screen does not work

Check C1027 = 6.6VCheck U1000, U1002

Yes

No Reconnect the SLC1000Check TSP Connector onMain PBA

Yes

END

Yes NoCheck U1001, U1003

Check C1023 = 2.8VCheck C1016 = 1.8V

Yes

Replace TSP Module

Yes

Check the I2C signal ofSensor IC(R6061, R6062)

Yes

Resolder R6061, R6062Check Touch IC U1004

No

No

Level 3 Repair



8-29

Level 3 Repair



8-30

Level 3 Repair



8-31

8-3-12. MHL

MHL Does not work

Yes

NoCheck if SLC500 is well connectedCheck if D500 goes "L"

Yes

NoCheck the LDOs(U1105, U1104)

Check if U501 works properly

Yes

Check the voltage ofL1100(1.2V), C1109(3.3V),L1101(1.2V), C1113(1.8V),

Replace U1101

Yes

NoChange U501

END

Yes

Level 3 Repair



8-32

BH106

C1

11

5

C1

116

C1

11

7

C1118 C402

C403

C405

C406

C407

C408

C445

C5

00

C50

1

C503

C504

C50

8

C5

11

C512

C513

C7

61

C76

2

C763

D50

0

D501

D502

D504

D505

L401

L402

L500

R420

R42

1

R500

R5

01

R503

R504

R505R507

R509

R51

0

R511

R513

R51

5

R5

21

R5

25

R526

R5

27

R528

R529

R530

R532

R534

R5

36

R5

37

R538

R6024

R6038

R6056

SLC500

TH

60

01

TP1103

TP709

U1102

U400

U405

U5

01

U502

U505

U50

7

ZD

400

ZD

401

ZD

50

1

ZD

50

2

ZD

50

3

ZD

50

4

ZD

50

5

50pin <- 30pin I/F

AUDIO_IN

RESERVED

AUDIO_IN

R532R534

R538

D5

00 3

21

D50

1

ZD

505

C511

D5

05

D506

VDD_ADC_3.3V

R529

R527

R528

R525 R526

77 88

99

46 46

47 47 48 48

49 49

5 5

5050

51 51

66

3939

44

4040

41 41 42 42

43 43 44 44

45 45

3131 3232

3333 3434

3535 3636

37 37 3838

23 2424

25 25 2626

2727 2828

2929

33

3030

1717 1818

1919

22

2020

2121 2222

23

11

1010

1111 1212

1313 1414

1515 1616

VCC_1.8V_AP

SLC500

VOUT_CHARGER

MICBIAS_LDO_2.8VVDD_ADC_3.3V

V_ACCESSORY_OUT_5.0V

LINEOUT_FB

MIC_N_CON

ACCESSORY_ID

REMOTE_SENSE

JTAG_USB_ID

C1106

L1100

R1103

VCC_3.3V_MHL

R1104

RX1_N

G4RX0_P

G5RX0_N

G6RXC_P

G7RXC_N

GN

D

F3RPWR

F4DSCL

F5

AV

CC

12

F6

GN

D

F7 HPD

G1RX2_N

G2RX1_P

G3

DSDA

E2

GN

D

E3

IOV

CC

18

E4

CV

CC

12

E5

AV

CC

33

E6

AV

CC

12

E7

GN

D

F1RX2_P

F2

INT

D1CSDA

D2RSVDL

D3

GN

D

D4

IOV

CC

18

D5

CV

CC

12

D6CI2CA

D7RESET_N

E1

USB_ID

B7RSVDL

C1CSCL

C2RSVDL

C3WAKE_UP

C4

AV

CC

12

C5

GN

D

C6V_SENSE

C7

NC

A6NC

A7CBUS_ID

B1RSVDL

B2RSVDL

B3RSVDL

B4

GN

D

B5

AV

CC

33

B6

1N

C2

NC

A1RSVDL

A2

VD

DQ

A3MHL_D

A4MHL_DB

A5

U1101

VCC_1.8V_MHL

R1101

C1111

R1105

C1112 C1114C1113

VCC_1.8V_MHL

R1107

C11

19

R11

13

C1110C1109C1108C1107

R1

106

VCC_3.3V_MHLVSIL_1.2A

R11

11

R11

08

L1101

R11

12

R11

10

R11

09

R1100

R1102

VSIL_1.2C VCC_1.8V_MHL

HD_TX0+_3.3VHD_TX0-_3.3V

HD_TXC+_3.3VHD_TXC-_3.3V

MHL_DPMHL_DM

MHL_ID

MHL_SCL_1.8V

MHL_WAKE_UP

MHL_INT

MHL_SDA_1.8V

MHL_RST

MHL_DSDA_3.3V

HD_TX2+_3.3V

MHL_DSCL_3.3V

HDMI_HPD

HD_TX2-_3.3V

HD_TX1+_3.3VHD_TX1-_3.3V

VDD_ADC_3.3V

IN1-2

5IN2+

IN2-6

NC

9

1OUT1

7OUT2

VC

C8

VE

E4

U501

3IN1+

R504

R509

R501

VDD_ADC_3.3V

R510R511

R515R513

REMOTE_SENSE

DOCK_INT REMOTE_SENSE_IRQ

ACCESSORY_ID

C1

106

C1107

C1108

C1

10

9

C1110

C1

111

C1112

C11

13

C1

11

4

C1119

C1120

C1121

C1122

C11

23

C1124

C1125

C1126

C509C6013

C6

01

4

C6015

C6019

C6060

C6063

C778

C779

C7

86C

787

C800

C801

C8

02

C8

03

C805

C8

12

C814

C816

C818C

81

9

C903

C904

C905

C906

C907

C908

C91

6

C934 C937

C940

C941

L11

00

L1101

R1

014

R1

10

0

R1

10

1

R1

10

2

R1103

R1104

R1

10

5

R1

10

6R

11

07

R1

10

8

R1109

R1110

R1111

R1112

R1113

R6013

R6014

R6

01

6

R6

01

7

R6018

R6019

R6020

R6

05

9

R6

077

R6

08

6

R6087

R719

R720

R813

R814

R816

R817

R822

R901

R902

R903

R904

R905

R906

R9

07

R9

08

R911

R913

R915

R935

TH

60

00

TP

1101

TP1102

TP

801

TP802

TP

803

U11

01

U1

103

U1104

U1105

U704

U8

00

U803

U9

00

U9

01

U902

U906

Level 3 Repair



8-33

Replace U402

8-3-13. OTG

-OTG does not work

Yes

NoCheck if SLC500 is well connectedCheck if ACCESSORY_ID

goes "L"

Yes

END

Yes

No

Check if U402, R411, C441, C442 is wellmounted

Check VCC_1.8_AP /VDD_ADC_3.3V

(U402)

Yes

Level 3 Repair



8-34

VCC_1.8V_AP

6 VCC

14VIO

X+ 13

16X-

Y+ 15

Y-

1

IN0

IN1

9

IN2

11

12

IN3

2IN

T

18NC

NC 19

4S

CLK

5 SDAT

U402

A0

|DA

TA

_O

UT

3

7 DATA_IN

10

GN

D

17GND

8

C441 C442

R411

VCC_1.8V_AP

VDD_ADC_3.3V

ADC_I2C_SDA_1.8V

REMOTE_SENSE

EAR_ADC_3.5ADC_CHECK_1

ACCESSORY_ID

ADC_IC_INTADC_I2C_SCL_1.8V

50pin <- 30pin I/F

AUDIO_IN

RESERVED

AUDIO_IN

R532R534

R538

D5

00 3

21

D50

1

ZD

505

C511

D5

05

D506

VDD_ADC_3.3V

R529

R527

R528

R525 R526

77 88

99

46 46

47 47 48 48

49 49

5 5

5050

51 51

66

3939

44

4040

41 41 42 42

43 43 44 44

45 45

3131 3232

3333 3434

3535 3636

37 37 3838

23 2424

25 25 2626

2727 2828

2929

33

3030

1717 1818

1919

22

2020

2121 2222

23

11

1010

1111 1212

1313 1414

1515 1616

VCC_1.8V_AP

SLC500

VOUT_CHARGER

MICBIAS_LDO_2.8VVDD_ADC_3.3V

V_ACCESSORY_OUT_5.0V

LINEOUT_FB

MIC_N_CON

ACCESSORY_ID

REMOTE_SENSE

JTAG_USB_ID

Level 3 Repair



8-35

8-3-14. Sim Part

Check the Voltage of SIM(Left side of R323 : 1.8V,

R322 : 3.0V)

Insert SIM card

Check the Pin Solderingof HDC301

Yes

Yes

Yes

No

END

Check the Voltage ofdetection PIN

(Right side of R323 : 0V)

Resoldering and recheck

Change to the new SIM card

Check the voltage from PMIC and CP.

Unless power, Change the PBA

Yes

No

No

Yes

Level 3 Repair



8-36

Check C139 ≤ -65dBm ?

8-3-15. GSM1800 RX

CONTINUOUS RX ON

RF INPUT : 698 CH

AMP : -50dBm

NORMAL CONDITIONcatch the channel?

Check the voltage at{C169 = VBAT_RF ?}& {C168 = 2.85V ?}& {C164 = 2.65V ?}& {C170 = 1.8V?}& {C171 = 1.2V?}

Check the Voltage at

C142 =VOUT_CHARGER

Check componentsoldering status OK at

F100

CHECK solderedRFS100,L101,C139

Resolder or changeU106, C142

Resolder or changeF100

Resolder or changeU101,C164,C168,C169,C170,C171

Check the freq. at C158: 26MHz ?

Change or resolderOSC100

Check C143,L135≥ -65dBm ?

Resolder or changeC143,L135

GSM1800 Receiver is O.K? Resolder or changeUCP300

END

NO

YES

NO

NO

YES

NO

YES

NO

YES

NO

YES

NO

YES

NO

Check F100 PIN 18, 19≥ -65dBm


NO

YES

Level 3 Repair



8-37

Level 3 Repair



8-38


8-3-16. WCDMA Band1 RX

CONTINUOUS RX ON

RF INPUT : 10700CH

AMP : -50dBm




C142 =VOUT_CHARGER


F100







Check L115, C191≥ -65dBm ?

Resolder or changeCheck L115, C191

WCDMA Band1Receiver is O.K?

Resolder or changeUCP300

END

NO

YES

NO

NO

YES

NO

YES

NO

YES

NO

YES

NO

YES

NO



NO

YES

Level 3 Repair



8-39

Level 3 Repair



8-40


8-3-17. WCDMA Band2 / GSM1900 RX

CONTINUOUS RX ON

RF INPUT : 9880CH

AMP : -50dBm




C142 =VOUT_CHARGER


F100







Check C133, L113≥ -65dBm ?

Resolder or changeCheck C133, L113

WCDMA Band2 / GSM1900Receiver is O.K?


END

NO

YES

NO

NO

YES

NO

YES

NO

YES

NO

YES

NO

YES

NO



NO

YES

Level 3 Repair



8-41

Level 3 Repair



8-42


8-3-18. WCDMA Band5 / GSM 850 RX

CONTINUOUS RX ON

RF INPUT : 4408CH

AMP : -50dBm




C142 =VOUT_CHARGER


F100







Check L114, L116, L117≥ -65dBm ?

Resolder or changeCheck L114, L116, L117

WCDMA Band5 / GSM 850Receiver is O.K?


END

NO

YES

NO

NO

YES

NO

YES

NO

YES

NO

YES

NO

YES

NO



NO

YES

Level 3 Repair



8-43

Level 3 Repair



8-44


8-3-19. WCDMA Band8 / GSM900 RX

CONTINUOUS RX ON

RF INPUT : 3013CH

AMP : -50dBm




C142 =VOUT_CHARGER


F100







Check L107, L110, L108≥ -65dBm ?

Resolder or changeCheck L107, L110, L108

WCDMA Band8 / GSM900Receiver is O.K?


END

NO

YES

NO

NO

YES

NO

YES

NO

YES

NO

YES

NO

YES

NO



NO

YES

Level 3 Repair



8-45

Level 3 Repair



8-46

U106 PIN14 : About30dBm ?

8-3-20. GSM850/GSM900 TX


C134 = VOUT_CHARGER?


C150 = OUT_CHARGER?

CHECK solderedRFS100,C139,L101,C138,L112

C137,L111,C141,C2107,ANT103


Resolder or changeU108,C150,C153,C154

Check L119,C144,L120 :About 30dBm ?

Resolder or changeL119,C144,L120

YES

NO

NO

YES

YES

NO

NO

YES

Check C162 :About 0dBm ?

Resolder or changeC162

YES

YES





GSM850/900 Transmitter is O.K? Resolder or changeUCP300

END

NO

YES

NO

YES

NO

CONTINOUS TX ON CONDITIONTX POWER DAC:14500 CODE

APPLIEDGSM850 CH : 190GSM900 CH : 62

RBW : 100KHzVBW : 100KHzSPAN : 10MHz

REF LEV. : 10dBmATT. : 20dB

Level 3 Repair



8-47

Level 3 Repair



8-48

U106 PIN14 : About30dBm ?

8-3-21. DCS/PCS TXCONTINOUS TX ON CONDITION

TX POWER DAC:14500 CODEAPPLIED

DCS CH : 685PCS CH : 661RBW : 100KHzVBW : 100KHzSPAN : 10MHz



C142 = VOUT_CHARGER?


C150 = OUT_CHARGER?


C137,L111,C141,C2107,ANT103


Resolder or changeU108,C150,C153,C154

Check C146,C145,C147:About 30dBm ?

Resolder or changeC146,C145,C147

YES

NO

NO

YES

YES

NO

NO

YES

Check C196,L134 :About 0dBm ?

Resolder or changeC196,L134

YES

YES





DCS/PCS Transmitter is O.K? Resolder or changeUCP300

END

NO

YES

NO

YES

NO

Level 3 Repair



8-49

Level 3 Repair



8-50

U106 PIN14 : About 20.5dBm ?

8-3-22. WCDMA BAND1 TX


C142 = VOUT_CHARGER?Resolder or change

U106, C142

Check L115,C191 :About 20.5 dBm ?

Resolder or changeL115, C191

YES

NO

NO

YES

YES


C137,L111,C141,C2107,ANT103

NO


F100


NO

YES

Check C148,L118,C149 :About 20.5dBm ?

Resolder or changeC148,L118,C149

YES

NO

CONTINOUS TX ON CONDITIONTX POWER DAC:14500 CODE

APPLIEDWCDMA Band1 CH : 10700

RBW : 100KHzVBW : 100KHzSPAN : 10MHz



C153 = OUT_CHARGER?Resolder or change

U129, C153

NO

YES

Check C196, L134 :About 0dBm ?

Resolder or changeC196, L134

YES

YES





WCDMA BAND1Transmitter is O.K?


END

NO

YES

NO

YES

NO

Level 3 Repair



8-51

Level 3 Repair



8-52

U106 PIN14 : About 20.5dBm ?

8-3-23. WCDMA BAND2 TXCONTINOUS TX ON CONDITION


WCDMA Band2 CH : 9880RBW : 100KHzVBW : 100KHzSPAN : 10MHz




U106, C142

Check C133, L113About 20.5dBm ?


YES

NO

NO

YES

YES


C137,L111,C141,C2107,ANT103

NO


F100


NO

YES

Check C160,L121,C161:About 22dBm ?


YES

NO



U108,C150,C153,C154

NO

YES

Check C196, L134 :About 0dBm ?


YES

YES







END

NO

YES

NO

YES

NO

Level 3 Repair



8-53

U106 PIN14 : About 22dBm ?







U106, C142

Check L116,L114,L117:About 22dBm ?

Resolder or changeL116,L114,L117

YES

NO

NO

YES

YES


C137,L111,C141,C2107,ANT103

NO


F100


NO

YES

Check C198,L122,C166 :About 22dBm ?


YES

NO



U108,C150,C153,C154

NO

YES

Check C162: About 0dBm ?


YES

YES







END

NO

YES

NO

YES

NO

Level 3 Repair



8-54

Level 3 Repair



8-55

U106 PIN14 : About 22dBm ?







U106, C142

Check L110,L107,L108:About 22dBm ?

Resolder or changeL110,L107,L108

YES

NO

NO

YES

YES


C137,L111,C141,C2107,ANT103

NO


U106

Resolder or changeU106

NO

YES

Check L123,C165:About 22dBm ?

Resolder or changeL123,C165

YES

NO



U108, C150,C153,C154

NO

YES

Check C162: About 0dBm ?


YES

YES







END

NO

YES

NO

YES

NO

Level 3 Repair



8-56

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