Samsung S3850 Block Diagram 7

Level

8.

Block Diagram

8-1.

Main ANT

SKY77560

LED_P_2.6

3.14”

QVGA

LCD

VDD_TSP_3.0V

VDD_SD_3.0V

Memory

2Gb OneNand

+1Gb SDRAM

Repair

3

GSM850_900_RX

SAW

Fliter

DCS_PCS_RX

SAW

Fliter

PA_HB,PA_LB,BEL_BAND,EN_TX,VRAMP,EN_TR_SW

KEY_ROW(0:2),KEY_COL(0:1)

Key

LED_N

VOLUME KEY,SEND END, MENU

BACKLIGHT

IC

LCD

V-BAT

LCD_BL_EN

LCD_D[0:7],RE,CS,RD,WR

FILTER

TSP

TSP_RST,TSP_INT,TSP_SCL,TSP,SDA

SD_DATA(0:3),SD_CMD

SD CARD

Sim Connector

D/A(0:13),D_BA_(0:1),F_ADW,RST_one_Nand

SD_CLK,SD_DET

Sim_RST,SIM_CLK,SIM_IO

CE_one_Nand,Ce_N,WE_N,F_CLK

FADQ(0:15),DOQ(0:15)

N_RDY,F_RDY

DDR_CE,D_CAS_N D_RAS_N,D_WE_N

D_CKE,D_CLK_N,DDQ_M_O

DDQ_S_O,COQ_M_1,DDQ_S_1

BCM21333

(BASE BAND)

MAIN_MIC_P,N

VDD_CAM_COAR_1.8V

VDDCAM_IO_2.8V

VDD_CAM_A_2.8V

CAM_SCL,CAM_RST

CAM_VSYNC,CAM_PCLK,(CAM_D(2:7)

CD2CMD_CAM

VDD_DIG_3.0V

SD2CLK_CAM

SD2DATA2_CAM

SD2DATA3_CAM

WIFI/CAM

WIFI_SEL

SD2CMD

SD2CLK

SD2DATA2

SD2DATA3

BT_WAKE,HOST_WAKE,BT_PCM_IN

BT_PCM,CYNC,BT_PCM_CLK,CLK32K

UART_TXD,UART_CTB_N,BT_CLK,BT_PWR

BT_PCM_OUT,UART_TXD,UART_RTS_N

26Mhz

S/W

SD2CLK_WIFI

SD2CMD_WIFI

SD2DATA2_WIFI

SD2DATA3_WIFI

WIFI_WAKE_HOST

RST_WIFI

S2DAT0,SD2DAT1

VBT,VDD_DIG3.0V

VREG_PLL_1.2V

VDD_DIG_3.0V,V_BT_1.2V

12C_DO,12C_WS,12C_CLK

AMP_N.AMP_P

VDD_AJA_3.0V ,VDD_ANA_1.2V,VDD_VRF_1.3V,VDD_VRF_2.7V

VDD_USBOTG_2.5V,VDD_USB_NuRAM_3.3V,VDD_CORE_1.28v

VDD_MEM_1.8V,VDD_AMP_1.3V,VDD_DIG_3.0V,VDD_VCXO_1.3V

LDO_EN4,5 PMU_SCL

COEX(0-3)

BCM20780

(BT/FM RADIO)

32Khz

MIC

2M FF

SOCKET

CAMERA

BCM4319

(WIFI)

EN_WIFI_RX,EN_WIFI_TX

ON_Key_N

KEY

WLAN_TX,EN_BT_SW

WLAN_RX

BT_RF

FM_ANT

BT_REQ_CLK

FM_Lout_Rout

AUDIO SW

INB_L,R

MAM8959

PMIC

SW

WIFI/BT

V_BAT

VDD_MOT

_3.0V

SPK_N,P

V_BUS,V_BAT

JIG_ID,

USB_D_P,N

MOT

SPK

Ear_JACK

USB

8-1

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Level3Repair

N

P

PCB Diagrams

8-2.

8-2-1.

Top

E
A
R
4

G607

G600

V401V402 V403

L414

L401L402

D400

C407C408

R408

R405R406R407

D

L415

C404C405

6
0
0

C409

L400

R413

R410

C

C

4

C401

4

L404

1

1

2

1

C

R402

R417

V

L407

5

5

0

0

3

6

R414

0
0

V408

L411

S

M
O

C
6

T

0
8

6
0
0

4

9

O

C

C

5

5

T

0

1

8

3

6
0

C
5
1

1

1

C510

V

C

4

5

0

0

M

O
C
5
0
0

C422

R415

V409

L412

C423

R416

3
0
5

TP500

P
T

6

0

0

I

F

C

R

V

V

V

6

6

6

6

0

0

0

0

6

7

8

2

R601

C607

G604

G602

C611

TAC_U

SPK400

C424

D401

R419

HEA501

R

V

V

V
5

5

5

5

0

0

0

0

2

0

1

5

D

L

_

C

T

O

H

A

R
3
0
5

C
3
4
0

C
3
3
4

R
3
0
4

C
3
3
9

C

C

3

3

C

L

1

0

3

2

7

3

3

0

2

1

C
3
3
1

C303

R404

L300

C406

C302

C
3

1

0

0

6

4

C310

U

C

C311

3
0
5

V

V

3

3

0

0

C

V

V

2

4

3

3

3

0

0

3

0

1

6

G603

L

L

6

6

0

0

4

5

C

C

L

L

4

4

4

4

0

0

1

1

6

9

9

8

C
3
2
9

C
3
2
4

PM300

C
3
1
3

C
D
3
0
0

V
3
0
3

C
6
0
9

C
4
1
4

0
0
3

M

I
S

TP302TP303

C

C

C

C

C

3

3

2

3

5

0

C

C

3

3

2

2

7

8

C
3
3
3

C335

C
6
0
3

R
4
2
0

C

3

3

3

3

2

2

2

O

1

1

3

6

5

S

C

C

C

C

3

3

3

1

2

2

3

9

0

2

0
0

C
3
1
4

C

C

C300

2

3

2

1

9

6

B

C301

A
T
3

C

C

C

3

3

3

0

1

3

3

0

7

7

8

C304

C318

TP300TP301

R303

C

P

_

P

T

Q

R

I

_

U

M

P

_

P

T

R219

R218

0

6

C

0

T

B

C

R

6

6

Z

0

0

2

0

D

C

6

6

0

0

0

1

C421

C425

R418

SPK401

C420

D402

R

L
5

5

0

0

L501

D500

2

1

U

L

C500

5

R507

0

5

0

0

R508

0

R

C

C

R

5

5

1

0

2

2

UME200

C
2
3
1

_

C

_

F

L

K

P

T

R
4
1
1

7

0

1

P

T

6
0
1
P
T

TP110

TP108

3

0

1

P

T

0

0

1

P

T

C
2
2
8

C
2
1
7

C
2
0
3

C
2
3
6

R
2
2
4

R
2
2
9

TP502

R
2
3
1

6

1

1

P

T

C505

C201

R205

D

2

R

R

0

2

2

C200

0

0

0

1

4

C

C

C

R

5

5

0

0

2

2

2

4

2

0
3

7

4

0

1

9

P

T

0
1

TP105

P
T

R

R

2

2

0

0

7

8

C138

C
1

L

5
0

1
2
8

C115

TP112

C

C

1

1

1

1

7

3

TP113

1

1

1

P

T

C151

OSC100

TP114

U

C146

1
0

C145

1

C134

C140

C114

C126

C127

R109

C153

C108

C

U

1
5
2

1

R

0

1

R

0

0

1

7

1
4

C109

F101

V601

G601

L

L

6

6

0

0

0

1

2

2

0

3

2

9

N
_
E
W
_
P
T

TP_CE_ONE_NAND

TP_OE_N

TP_F_ADV_N

W

_

D

_

P

N

_

E

T

E

C

_

R

D

D

_

P

T

D

D

_

A

P

T

T
A
D
_
F
_
P
T

R

R

R

R

2

2

2

2

1

1

1

1

1

3

4

5

JTAG200

_

C

L

K

R503

R504

0

0

5

Q

C210

L200

R200

C220

R500

C232

C213

R

C

C

U

2

2

2

2

1

0

1

0

6

8

6

0

0
0
2
C
S
O

C

C

2

2

R220

2

0

1

4

C224

C

C

2

2

2

2

2

3

L106L107

C206

L105

L108

C207

D100

C233

D101

C205

C202

R206

R209

R101

R111

VR200

R103

R

C106

1
0
5

R104

C234

R233

C235

R100

L203

R102

TP_D_CLK_N

C214

0
0
2
P
C
U

L117

L115

L112

D103

L111

L

L

D102

L123

1

1

0

1

9

3

L
1

L122

L114

1
8

F102

F100

C

L

C

L

1

1

1

1

1

1

1

0

9

2

0

7

0
0
1

M
A
P

C104

C103

C604

L

L

6

6

0

0

2

3

TP_DAT

_

D

P

T

R217

C
2
2
5

L121

L
1
2
0

C
1
6
0

L130

R222 R223

C
2
3
8

C415

C410

C403

C402

C226

C218

R221

R225

R226

C309

C308

C219

L201

C215

R210

C209

C230

C212

R212

C

C

R

2

2

2

3

1

2

7

1

7

2
0
1

R

P

2

T

2
8

1

0

5

P

T

R

R

U201

2

2

3

3

0

2

L

L

1

1

0

0

2

4

C105

RFS100

L133

R115

C101

L101

ANT100ANT101

L
4
0
3

C426

C
1
3
7

TAC_D

0
0
5
A
E
H

C149

TP115

TP117

C

C

C

C

C

1

1

1

1

1

1

3

1

2

3

TP119

6

9

9

9

0

TP118

L
1
2
4

C

U

1
2
1

1
0
2

C
1
2
4

C
1
2
3

C

C

C

C

1

1

1

1

2

4

4

4

2

3

2

8

C120

L125

C

L
1

1

R110

2

2

7

5

C135

C

C136

1
2
8

C132

C
1

L126

3
3

C131

C141

L129

C
1
5
4

R
1
0
6

A

R

N

1
0
8

T
1
0

L132

2

C

L
1

1

1

1

6

1

G605G606

C610

MIC401

8-2

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Level3Repair

8-2-2.

Bottom

RCV400

DOME_KEY_SEND

DOME_KEY_MENU

DOME_KEY_END

8-3

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Level3Repair

Flow Chart of Troubleshooting

8-3.

presetting methods for checking TP

※

GND&TP(exp. VBAT=

-

look over the coming out signal.

-

C302 ,

C303

using Oscilloscope

)

Oscilloscope

←

GND

TP(Test Point)

8-4

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Multi-meter

←

Level3Repair

Checking the TP(test point) using Multi-meter

←

EX) to look up the TP, shunt Cap.-if checking the GND, you can listen"beep"

-

if checking the Signal, you can't listen it.

8-5

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Level3Repair

LOGIC

8-3.

8-3-1.

Power On

Power switch on

NG

Check the current

consumption

>= 100

mA?

Yes

Check the battery

voltage

>= 3.45?

Yes

Check the clock at

OSC300

=32

kHz

Yes

C220(1.28V_VCORE)=1.28V?

C211(3.0V_DIG)=3.0V?

C214(1.8V_MEM)=1.8V?

C221(2.7V_VRF)=2.7?

C224(1.3V_VRF)=1.3V?

C208(1.3V_VCXO)=1.3V?

NO

NO

?

NO

NO

Download

Change the battery

Resolder OSC300

Check the U300

Yes

Check the clock

MHz

26

?

Yes

Check the initial operation

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

8-6

NO

Check the clock generation circuit

OSC200

Level3Repair

3 4

VBUS_5V

VDD_MEM_1.8V

C301

C302

USB_D_N

USB_D_P

TP300

TP301

TP302

TP303

USB_BB_DM
USB_BB_DP

SPK_N
SPK_P

EAR_SPK_L
EAR_SPK_R

AMP_N
AMP_P

INB_L
INB_R

TXD1
RXD1
JIG_ID

PC
BT_REQ_CLK

OSC300

C313

ONKEY_N

CLK32K

C314

C315

VDD_MEM_1.8V

C307

VBAT

C303

C300

C305

L300
L301

C329C325 C328

C326

033C723C

7

9

9

1
3
J

F

C

C

D

D

N

S

D

T

I

D

T

U

D

O

V

A

B

V

C

P

B

V

P

V

H

B1

IN1

B2

IN2

C2

IN3

C5

IN4

C6

IN5

C8

IN6

D7

IN7

B3

INLV

B8

ALDO1

B7

ALDO2

C3

LVLDO1

C4

LVLDO2

A8

RFLDO1

A7

RFLDO2

B4

MSLDO1

B6

MSLDO2

F9

AUXLDO1

F8

AUXLDO2

E8

AUXLDO3

E7

AUXLDO4

E6

AUXLDO5

PM300

C1

LX1

A2

LX2

E1

LX3

D2

FB1

A3

FB2

F2

FB3

A6

HCLDO1

A5

HCLDO2

B5

IOLDO

F6

LCLDO

A4

SIMLDO

F3

I2CCLK

F4

I2CDAT

F7

EN5

E5

EN4

1

S

D

S

D

D

D

N

V

N

N

N

P

G

G

G

G

H

P

9

1

9

1

4

J

J

E

D

G

C304

C306

C308

C310

TP_PMU_IRQ

C312

BAT300

C309

C311

PMU_IRQ

RST_BB

2

8
D

G

D

L

D

V

V

J7

COMN1

J8

COMP2

J2

C1N

H2

C1P

H9

DN1

J9

DP2

H1

OUTN

G1

OUTP

J6

HPL

J5

HPR

H3

INA1

G4

INA2

G5

INB1

F5

INB2

H7

UT1

G7

UR2

H8

UID

H6

SL1

H5

SR2

G3

PC1

E4

PC2

A9

XIN

B9

XOUT

G6

MIC

D3

IRQB

G8

BC

D4

REFBP

D5

RESETB

H4

VBIAS

E3

PWRONB

D6

32KHZ

1

NC

2

NC

3

2

D

D

N

N

G

G

P

P

2

1

E

A

B

PMU

C337

C323

C322

C321

C338

C320

C318

C319

C324

C333

CSI_M_CP_CLK

Y19

CSI_M_DM0

Y18

CSI_M_DP0

B10

LCD_CS

LCDCS0

D12

LCDCS1

LCD_D(0:7)

A11

LCD_D(0)

LCDD0

F11

LCD_D(1)

LCDD1

F12

LCD_D(2)

LCDD2

E14

LCD_D(3)

LCDD3

A12

LCD_D(4)

LCDD4

D14

LCD_D(5)

LCDD5

E13

LCD_D(6)

LCDD6

D13

LCD_D(7)

LCDD7

G11

LCDCD

LCD_RS

B11

LCDRE

LCD_RD

E12

LCDWE

LCD_WR

VDD_DIG_3.0V

U18

OTGCTRL1

V20

OTGCTRL2

V18

OTGCTRL3

V19

OTGCTRL4

V17

OTGCTRL5

A5

RF_X1

A6

RF_X2

C1

GSM_850_RX_A

RF_INN_0G8

E1

RF_INN_0G9

GSM_900_RX_A

G1

DCS_RX_A

RF_INN_1G8

J1

PCS_RX_A

RF_INN_1G9

B1

GSM_850_RX_B

RF_INP_0G8

D1

RF_INP_0G9

GSM_900_RX_B

F1

DCS_RX_B

RF_INP_1G8

H1

PCS_RX_B

RF_INP_1G9

M1

RF_PA_HB

L1

RF_PA_LB

H4

C233

RF_RAMP

R220

B4

RF_R_REF

4213

OSC200

VDD_VCXO_1.3V

R216

U200

C232

1

6

NC

VCC

2

5

A

NC

3

4

GND

Y

C

C

3

3

0

1

7

2

C
3
3
1

R404

L300

C406

C302

1
0
4

C310

U

C311

C

C

C

C

C

C

C

3

3

3

3

3

C
3
3
2

C303

3

L

2

3

9

0

3
0

C

C

1

3

3

2

2

4

8

PM300

C
3
0
6

C

C

C

3

3

3

3

0

1

3

5

3

C
D
3
0
0

3

2

2

2

2

O

1

1

5

3

6

5

S

C

C

C

C

C

3

3

3

3

2

1

2

2

3

0

9

2

7

0
0

C
3
1
4

C

C

C300

2

3

2

1

9

6

B

C301

A
T

C

C

C

3

3

3

3

0

3

3

1

7

8

7

0

C304

C318

TP300TP301

R303

T

P

_

P

C

C335

R503

R504

0

0

5

Q

C210

L200

R200

C220

R500

C213

C232

C

C

R

U

2

2

2

2

1

1

0

0

6

6

8

0

0
0
2
C

Q

I

R

_

U

_

P

M

T

P

S
O

C

C
2

2

R220

2

0

1

4

C224

C

C

2

2

2

2

2

3

L106L107

C206

L105

L108

C207

D100

C233

K

L

C

_

_

D

T

P

TP_D_CLK_N

C214

R217

0
0
2
P
C
U

C
2
2
5

L115L117

L112

D103

L111

L

L

D102

L121L123

1

1

0

1

9

3

R222 R223

L

C

K

F

_

T

P

_

C415

C410

R
4
1
1

C403

C402

T

P

1

0

7

C226

6
0
1
P
T

C218

TP110

R221

TP108

R225

1

T

0

P

3

R226

T

P

1

0

0

C309

C
2

C308

2
8

C

C219

2
1
7

L201

C
2

C215

0
3

R210

C
2
3

C209

6

C230

C212

R

R212

2
2

C

R

C

4

2

2

2

1

2

3

1

7

7

8-7

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This Document can not be used without Samsung's authorization

Level3Repair

TSP

8-3-2

Operate TSP

NG

Check

TSP Connecting

YES

Change TSP Module

No Problem?

YES

END

NO

Reconnecting TSP

NO

Change main PBA

8-8

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Audio Working

8-3-3

Speaker Working



Level3Repair

Operate speaker

NG

Check

Speaker

Connecting

SPK400,SPK401)

(

YES

Speaker break

down?

NO

Signal on in
C308, C309?

NO

NO

YES

YES

Reconnecting SPK

Change Speaker

Module

Resolder

C308, C309

Change main PBA

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

8-9

Level3Repair

Speaker

VBAT

C300

C303

C305

L300
L301

SPK_P

SPK_N

3
0
5

TP500

P

SPK400

1

C306

C304

C308

C310

TP_PMU_IRQ

C312

1

2

2

D401

SPK401

1

1

2

2

D401

C421

R418

C420

D402

BAT300

C309

C311

PMU_IRQ

RST_BB

VBUS_5V

TP300

TP302

C
3
1
5

C
3
1
4

C
2
2
9

B
A
T
3
0
0

R303

T

_

C

P

P

Q

R

I

_

U

P

M

P

_

T

C301

USB_D_N

USB_D_P

TP301

TP303

VDD_MEM_1.8V

C302

USB_BB_DM
USB_BB_DP

SPK_N
SPK_P

EAR_SPK_L

EAR_SPK_R

AMP_N
AMP_P

INB_L
INB_R

TXD1

RXD1
JIG_ID

PC
BT_REQ_CLK

OSC300

C313

ONKEY_N

CLK32K

C314

R503

R504

5

0

Q

0

C210

L200

R200

R500

C220

C213

C232

C

C

R

U

2

2

2

2

0

1

1

0

8

6

6

0

0

0

2

C

S

O

C

C

2

2

R220

2

0

1

4

C224

C

C

2

2

2

2

3

2

L106L107

C206

C207

C233

C205

C202

R206

R209

VR200

L112

L105

L108

D100

L
1
1
3

D101

F100

R101

R111

R103

R

C106

1
0
5

C315

R418

C420

5
0
0
1

C421

R419

C424

5
0
0
1

9
C

T
T
A
B

B1

IN1

B2

IN2

C2

IN3

C5

IN4

C6

IN5

C8

IN6

D7

IN7

B3

INLV

B8

ALDO1

B7

ALDO2

C3

LVLDO1

C4

LVLDO2

A8

RFLDO1

A7

RFLDO2

B4

MSLDO1

B6

MSLDO2

F9

AUXLDO1

F8

AUXLDO2

E8

AUXLDO3

E7

AUXLDO4

E6

AUXLDO5

C1

LX1

A2

LX2

E1

LX3

D2

FB1

A3

FB2

F2

FB3

A6

HCLDO1

A5

HCLDO2

B5

IOLDO

F6

LCLDO

A4

SIMLDO

F3

I2CCLK

F4

I2CDAT

F7

EN5

E5

EN4

D
N

C329C328

033C723C

G

9
E

3
J

D
D
V
P
H

PM300

D
N
G

9
G

C425

5
0
0
1

2

8

7

9

1
F

D

C

D

G

N

S

D

D

L

I

D

U

V

D

O

V

B

V

C

P

V

V

J7

COMN1

J8

COMP2

J2

C1N

H2

C1P

H9

DN1

J9

DP2

H1

OUTN

G1

OUTP

J6

HPL

J5

HPR

H3

INA1

G4

INA2

G5

INB1

F5

INB2

H7

UT1

G7

UR2

H8

UID

H6

SL1

H5

SR2

G3

PC1

E4

PC2

A9

XIN

B9

XOUT

G6

MIC

D3

IRQB

G8

BC

D4

REFBP

D5

RESETB

H4

VBIAS

E3

PWRONB

D6

32KHZ

1

NC

2

NC

3

2

1

S

D

D

D

S

D

N

N

N

V

N

P

G

G

G

G

P

P

H

P

1

2

1

4

1

J

J

E

D

A

T

SPK400

C424

R419

C425

SPK401

D402

R

L
5

5

0

0

L501

D500

2

1

U

L

C500

5

R507

0

5

0

0

R508

C
2
3
9

N
_
E
W
_
P
T

TP_CE_ONE_NAND

TP_OE_N

TP_F_ADV_N

P

_

T

D

_WE

_

N

P

_

T

D

D

R

_

C

E

_

T

A

P

D

D

T
A
D
_
F
_
P
T

R
2
1
4

JTAG200

C

_

D

T

P

L

K

_

TP_D_CLK_N

C214

R217

R222 R223

0
0
2
P
C
U

C

C209

2
2
5

L115L117

D103

L111

L

D102

L123

1
0
9

L
1

L122

L114

1
8

F102

C

L

C

L

1

1

1

1

1

1

1

0

9

2

0

7

C212

C
2
1
1

L121

2
0

L

1

R

P

1

2

T

2

2

0

8

5

0

P

1

T

C

R

R

U201

2

2

2

3

3

3

0

8

2

C

L

L
1

1

1

0

0

6

4

2

0

0

R

C

R
2
0
2

C505

5

5

1

0

2

2

UME200

C

R

R

R

C201

2

2

2

2

R205

D

3

1

1

1

1

1

3

5

2

R

R

0

2

2

C200

0

0

0

4

TP_DAT

C415

C410

C403

C402

C226

C218

R221

R225

R226

C309

C308

C219

L201

C215

R210

C230

R212

R

C

2

2

2

3

7

7

1

C

C

C

R

5

5

0

0

2

2

4

2

0

2

3

7

4

9

1

0

P

T

_

F

_

T

P

C

L

K

R
4
1
1

1

P

0

7

T

6
0
1
P
T

TP110

TP108

T

1

P

0

3

1

P

0

0

T

C
2
2
8

C
2
1
7

C
2
0
3

C
2
3
6

R
2
2
4

R
2
2
9

TP502

R
2
3
1

1

1

P

6

0
1

TP105

P
T

R

R
2

2

0

0

8

7

C138

C
1

L

5
0

1
2
8

C115

TP112

C

C

1

1

1

1

3

7

TP113

1

1

T

1

P

C151

OSC100

TP114

C146

C145

C134

T

C140

C126

C127

R109

L
4
0
3

C426

0
0
5
A
E
H

C149

TP115

TP117

C

C

C

C

C

1

1

1

1

1

1

3

1

3

2

TP119

6

9

9

0

9

TP118

L
1
2
4

C

U

1
2
1

1
0

C

2

1
2
4

C
1
2
3

C

C

C

C

1

1

1

1

4

2

4

4

2

2

3

8

C120

L125

C

L
1

1

R110

2

2

7

5

C135

U

C

C136

1

1

2
8

0

C132

1

C
1

L126

3
3

C131

C141

L129

C114

C
1
5
4

C333

8-10

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Receiver Working



Level3Repair

NG

Check

Receiver

Correctly mount?

YES

Receiver break

down?

NO

signal on in
R415, R416

NO

Change main PBA

NO

YES

YES

Resoldering

Receiver

Change Receiver

Module

Resolder

R415, R416,

L411, L412

8-11

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This Document can not be used without Samsung's authorization

Level3Repair

RCV_P

RCV_N

R415

R416

L411

L412

RCV400

1

1

2

2

C422

E
A
R
4
0
0

M
O
T

6
0
0

C423

8
0
4
V

V408

L411

S

C

V
4

5

0

M
O
T

6
0
1

0

4

9

C

C

5

5

1

0

3

8

C
5
1
1

C510

O
C
5

0
0

C422

R415

V409

L412

C423

R416

9
0
4
V

I

C

F

0

0

6

R

V

V

V

6

6

6

6

0

0

0

0

8

7

6

2

R601

3
0
5

TP500

P
T

SPK400

C424

D401

R419

C421

C425

R418

C420

D402

SPK401

8-12

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

MainMICWorking



Operate MIC

Level3Repair

NG

Pollute

MIC Hole?

NO

C418

=2.2V?

YES

Between C419 an

d

C403

=0

ohm?

YES

Check

mic

Correctly mount?

YES

NO

NO

NO

CleanupMIChole

Resolder

L406,C418

Resolder

L409, C403

Resolder

MIC401

YES

Change main PBA

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

8-13