Samsung GT-I9192 TSHOO

Level

8.

Block Diagram

8-1.

Repair

3

󲣱󱭾

VSMPS2_1V8

MAIN LCD

4.27", AMOLED
(qHD OCTA)

OCTA TSP MODULE

PHONE REMOTE CONTROL

VPS_L
VPS_R

VPS SW

DG2750DN-T1-E4

EARSPK_L
EARSPK_R

EARPHONE

EAR_3.5_DET EAR_ADC

VPS SW

DG2750DN-T1-E4

EAR_DET

This goes to GPIO of AP

(MSM8230)

LCD

VREG_L25_1P2_MSM

VREG_S4_1P8

EARSPK_L_CODEC
EARSPK_R_CODEC

EAR_MIC_M
EAR_MIC_P

PHONE MEMORY

LCD BACK LIGHT

AMOLED LCD / OCTA TSP

CAMERA

8Mega AF

CAMERA

VGA

ICE40LP1K-CM36

This goes to USB SW

TSP_AVDD_3.3V
TSP_DVDD_1.8V

VCI_2.8V

IOVDD_1.8V

CAM

FLASH

FPGA

HALL IC

S-5712ACDL1-

I4T1U

VMEM_3V3

VT_CAM_MCLK
MIPI_CSI0_CLK_P_F
MIPI_CSI0_CLK_M_F

I2C3_CLK_CAM

VT_CAM_MCLK

MIPI_CSI1_CLK_P_F
MIPI_CSI1_CLK_M_F

I2C3_CLK_CAM

VDD_MOT_3V0

DETECT_FLIPCOVER

TOUCH_KEY_2.2V

Audio

Codec

SPK_OUT_P / SPK_OUT_N

RP114K331D-TR

RICOH

SDC1_CLK

MC2_DAT_[0:7]

STOD30TPQR

MIC2871YMK

RP507K

TOUCH_IO_1.8V

KEY_LED_3.3V

RX_I2S_DO / TX_I2S_DI

MAIN MIC M/P

RCV_P / RCV_N

MIPI_DSI0_CLK_P_F
MIPI_DSI0_CLK_M_F

M

LINEAR MOTOR

AUDIO_MCLK
CODEC_RST

CODEC_INT

I2C_CLK_CODEC

I2C_DATA_CODEC

RX_I2S_SCK
RX_I2S_WS
TX_I2S_SCK

TX_I2S_WS

SUB MIC M/P

MC2

MIPI
DSI0

H

H

C

C

U

U

O

O

T

T

_

_

A

K

T

L

A

C

D

_

_

C

C

2

I

2

I

TOUCH KEY

19MHz

XO_THERM

MIC

Main Power Supply

MIC

RECIEVER

SPK

Y
E
K
_
E
M
O
H

GPIO

SD- CARD

SIM 1

SIM 2

MSM8230

AP + CP

Qualcomm

I2C

System control IF

PM8917

(BB / PMU)

P
h
o
n
e
R
e
s

e
t

PORN

Phone Reset

RF BB IF

SDIO
UART

I2C

I2C

DP DM

TSU6721

U-USB SW IC

Power on KEY

MUS_SCL
MUS_SDA

Updated Date : 2013.01.04

RF BLOCK

RX_DA,TX_DA

SYS_CLK_REQ /

RF_STOBE / SCLK / SDAT

BT_DATA,CTL,SSBI
FM_DATA,SSBI
WL_CMD_DATA,CLK,SET
WLAN_BB_IQ
WCN_XO

NFC_CLK,DATA

NFC_VEN

I2C_CLK_SENS

I2C_CLK_COMPASS

USB_DM

ICMEF112P120

USB_DP

PTVS18V

FT7521L6X

RESET IC
Fairchild

FPGA_MAIN_CLK

Transceiver

WTR2605

BT/WIFI/FM

WCN3660

WIFI

Qualcom m

ICE40LP1K-CM36

FPGA

LATTIC

PRX_MB3

RF_TX_DA_2, 3

PN547

NFC
STE

YAS532B-PZE2

E-COMPASS

YAMAHA

VBUS

USB_ID
V_BAT_FET

Micro USB CON

RF_TX_DA_1

Duplexer x4

OSC
48MHz

27.12MHz

2in1 SAW

TCXO

AF88A

AWT6751
AWT6755

PDET_IN

DPX165950DT

3G PA

Diplexer

WCDMA_B1/2/5/8RX_B1/2/5/8

NFC_CLK_I/O

MPU-6500

Invensense

ACCEL

2013󱈙 1󲞩 11󲡑󰻝󲝩󲡑

Tx Module

Coupler

SKY77573

LDJ18829M24AD011

ANT_CPL_OUT

GPS/GNSS

SFHG89DQ

GPS ANT

102

GPS_IN

BT / WIFI /FM

FM_I2S_DO
FM_I2S_CLK

FM_I2S_SYNC
FM_I2S_DI

LNA/Filter

ANT

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’swritten authorization is strictly prohibited.

󳑭󲡉󲪕 1

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PCB Diagrams

8-2.

8-2-1.

Top

8-2

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’swritten authorization is strictly prohibited.

Level3Repair

8-2-2.

Bottom

8-3

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’swritten authorization is strictly prohibited.

Level3Repair

Flow Chart of Troubleshooting

8-3.
Equipments

Oscilloscope



Power Supply





Digital Multi-meter



driver, ESD Safe Tweezer

+

8960 &



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’swritten authorization is strictly prohibited.

Spectrum Analyzer

8-4

Soldering iron



Level3Repair

8-3-1.

Power On

Mobile phone does not power on.

Check the Battery Voltage

it more than

Is

Yes

Power-on the phone and

check the power-on sound

or motor Vibration.

No

Check the TAC500

soldering crack, open, etc)

(

3.8

V?

.

No

Yes

Abnormal

If its voltage level is extremely low(under

Change the TAC500(Power-key switch)

Charging the battery by TA.

Change the battery.

Change the FRONT-LCD ASSY

And retry to the power-on operation.

3.0

V),

Yes

Check the U500 output voltage

R503

(

Check the Clock OSC500

Is that frequency19Mhz?

check the initial operation

>1.15

V,R504

Yes

Yes

Yes

END

>1.05

V)

No

No

If the output voltage is not satisfied with normal
condition, Change the U500.

Each voltage level has



Change the OSC500.

Test condition(Oscilloscope setting)



us.div(time division)

:20.0

±10%

margin.

8-5

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’swritten authorization is strictly prohibited.

Level3Repair

T

C

PHONE_ON_N

PM_RESIN_N

TAC500

1

2

C576

VR500

S1S2

POWER KEY

3

NC

4

NC

5

NC

6

NC

19M_OUT

19M_IN

VREG_S4_1P8

R501

R505

R502

6

5

4

U500

NC

OUTVDD

VSS

OSC500

2

VREG_S4_1P8

3
0
5
R

1

2

3

IN+IN-

R504

1

43

19MHz

BATT_IN

BATT_ID

VREF_XO_THM

R508

XO_THERM

C520

GND_XOAD

8-6

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

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8-7

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’swritten authorization is strictly prohibited.

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8-3-2.

Initial

Initial Failure

Yes

Re-download latest SW on the

mobile phone.

Abnormal

Re Check

Trouble shooting process

Change UME300

Change PBA

"8-3-1

Power on"

Normal

Abnormal

Abnormal

Check the OSC500(Crack, open etc.)
Check the U500(Crack etc)

END

8-8

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

Level3Repair

8-9

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’swritten authorization is strictly prohibited.

Level3Repair

8-3-3.

No Service

No service

Yes

Check memu setting

Menuapplicationssettingwireless and network
mobile networksnetwork modesetting is auto mode

MenuPhoneKeypad

*#1234#

Check the L100,L101,L104,L105

check Phone version



PHONE:I9192XXXX

No

is well soldered







?

PHONE:I9192XXXX

Check the Main Antenna exists or not

No

Re-solder L100,L101 ,L104,L105 correspondingly.

Yes

Check VREF

VREF(C109)

Change the Main Antenna

Change the PBA

=2.0V

Abnormal

Abnormal

Yes

END

No

Replace the U501

8-10

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’swritten authorization is strictly prohibited.

Level3Repair

r

VWTR_RF1_1.3V

VWTR_RF2_2.0V

3

1

1

R100

R

C100

VWTR_IO_1.8V

C101

RX_B8_G900
RX_B5_G850

RX_DCS_PCS

PRX_BB_IP

PRX_BB_IM
PRX_BB_QP
PRX_BB_QM

GPS_IN
GNSS_BB_IP
GNSS_BB_IM

GNSS_BB_QP

GNSS_BB_QM

GP_DATA0
GP_DATA1

RX_B1
RX_B2

3

4

2

0

0

0

1

1

1

C

C

C

5

RX_LB1_IN

10

RX_LB2_IN

4

RX_MB1_IN

9

RX_MB2_IN

3

RX_MB3_IN

61

RX_BB_IP

55

RX_BB_IM

49

RX_BB_QP

43

RX_BB_QM

11

GNSS_RF_IN

62

GNSS_BB_IP

51

GNSS_BB_IM

45

GNSS_BB_QP

41

GNSS_BB_QM

53

GP_DATA0

58

GP_DATA1

57

GP_DATA2

C
N
D

6
3

0
0

7

6

5

1

0

0

0

L

1

1

1

C

C

C

7
1
1
C

8

1

1

0

2

6

0

0

9

6

9

6

4

3

2

4

5

4

3

2

1

2

3

1

L

L

L

G

I
D
_
1
F
R
_
D
D
V

A

A

B

O

O

O

O

L

L

L

L

L

L

B

D

N

C

P

P

P

_

_

_

_

_

L

V

_

_

_

T

_

T

R

G

R

_

T

_

1

R

_

G

_

_

_

R

_

1

_

2

F

_

1

1

2

_

1

2

F

1

F

F

F

F

R

1

F

F

F

R

_

R

R

R

R

F

R

_

R

_

R

_

_

_

D

R

_

_

_

D

D

D

D

D

_

D

D

D

D

D

D

D

D

D

V

D

D

D

D

V

V

V

V

V

D

V

V

V

V

U100

D

D

D

D

D

D

D

D

D

D

D

N

N

N

N

N

N

N

N

N

N

N

G

G

G

G

G

G

G

G

G

G

G

7

8

5

4

9

5

7

2

4

3

5

8

2

2

2

1

2

1

1

3

3

3

3

3

Tranceive

C112

1
0

9

8

0

1

1

0

0

1

1

L

1

1

1

1

C

C

C

C

8
1
1
C

9

4

7

5

5

3

L

O

O

O

I

L

X

C

_

P

_

3

V

_

2

_

F

T

F

T

R

_

R

_

_

2

_

2

D

F

F

D

D

R

R

D

_

V

_

7

V

D

D

TX1_OUT

D

D

V

V

TX2_OUT
TX3_OUT

TX_BB_IP
TX_BB_IM
TX_BB_QP
TX_BB_QM

PDET_RFFB_IN

SSBI_RX

SSBI_TX_GNSS

RF_ON
XO_IN

DAC_REF

NC
NC

D

D

D

D

D

N

N

N

N

N

G

G

G

G

G

0

2

4

7

5

4

4

4

1
6

2
12
18
23

22

8
56

13
60
24

63
64

TP_SSBI_2
TP_SSBI_1

C127

RF_TX_DA_1
RF_TX_DA_2
RF_TX_DA_3

TX_BB_IP
TX_BB_IM
TX_BB_QP
TX_BB_QM

PDET_IN
SSBI_RX

SSBI_TX_GNSS
RF_ON
DAC_REF

C128

Near WTR2605

R102

RX_DCS_PCS

WTR_XO_A0

L104

L106

L105

C126

F101

1

6

IN1

OUT

9

IN2

G

G

G2G3G45G

G

78

10

L109

Near WTR2605

8-11

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’swritten authorization is strictly prohibited.

Level3Repair

8-3-4.

Sim Part

Insert SIM card

Yes

Is SIM/SD assy well

connected to main board?

Yes

Check the SIM Voltage.

C574)

(

>= 1.8or3.0?

Yes

Check the SIM Voltage.

R702)

(

>= 1.8or3.0?

Yes

No

No

No

Reassemble SIM/SD assy and still SIM

does not work, replace SIM/SD assy

Change to the new SIM card.
If it doesn`t still work SIM card after changing
the SIM card, Check the SIM500(Crack etc)

Change to the new SIM card.
If it doesn`t still work SIM card after changing
the SIM card, Replace the PBA

END

8-12

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’swritten authorization is strictly prohibited.

Level3Repair

8-13

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’swritten authorization is strictly prohibited.

Level3Repair

8-3-5.

Charging Part

TA/USB Insert

Charging Sequence Start

C315

C315

Yes

=5V

Yes

=5V?

Yes

END

No

No

Reconnect TA or USB

Change U712

USB_HS_D_P

USB_HS_D_M

VPS_L
VPS_R

UART_RXD

5
A

S
U
B
V

VUSB_FET_5V

4

2

A

A

T

O

I

U

D

O

D
V

C

C

N

N

1

2

VREG_S4_1P8

VREG_S4_1P8

C317

C316

C2

SCL

B2

SDA

D5

ID

C5

DP

B5

DM

A1

INTB

A3

ISET

E4

JIG

E3

BOOT

R321

TP307

VBATT_CON

VUSB_FET_5V_CON

C314

TP301
TP302

TP303
TP304

R320

TP308
TP309

C315

1
D

T
A
B
V

B1

DP_HT

C1

DM_HT

D2

IDBP

B3

S_L

C4

S_R

B4

MIC

D4

GND

C3

VBUS_CAP

D3

GND

E2

TXD

E1

RXD

D
N
G

5
E

Micro-USB Switch

MUS_SCL
MUS_SDA

USB_ID

MUSB_INT
CHG_DET

JTAG_JIG_ON_N
JIG_ON_N

UART_BOOT_ONUART_TXD

I2C4_DATA_TOUCH

I2C4_CLK_TOUCH

V_BUS_JTAG_ID

F300

1

I|O

23

I|O

4

I|O

I|O

D

D

N

N

G

G

6

5

USB_DP

USB_DM

MAIN_THM_1

USB_DP

USB_DM

USB_ID

8-14

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’swritten authorization is strictly prohibited.

Level3Repair

8-15

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’swritten authorization is strictly prohibited.

Level3Repair

8-3-6.

Microphone Part

Check microphone function

in voice call receiver mode

or in Voice Recording mode

Check the main MIC is

placed for any damage

Check the voltage at

L304

Yes

Yes

=1.8V

No

No

Resolder the main MIC

Resolder or replace L304

If the voltage level is not fixed, then

you have to change MIC on SUB PCB

END

Yes

8-16

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’swritten authorization is strictly prohibited.

Level3Repair

I2C4_DATA_TOUCH

I2C4_CLK_TOUCH

MAIN_THM_1

USB_DP
USB_DM

V_BUS_JTAG_ID

USB_ID

TOUCH_IO_1.8V

R318

R336
R337

ZD302

R319

VREG_FEM/GPS_2P85

1
0
3
L

TOUCH_KEY_2.2V

KEY_LED_3.3V

C331

VUSB_FET_5V_CON

C335

ZD301

HDC300

11

33

55

7788

99

11111212

13 13 14

15151616

17 17 18

1919

21 21 22

23232424
2525

27 272828

29

29

C

C

N

N

2

1

3

3

MIC_BIAS1_1.8V

L304

TOUCH_IO_1.8V

2

2

4

4

6

6

10

10

14

18

20

20
22

26

26

30

30

C

C

N

N

4

3

3

3

R317

L300

0
0

C324

3
D
Z

TK&IF&MAIN MIC. Connector

MAIN_MIC_P

MAIN_MIC_M

TOUCHKEY_INT

HOME_KEY

SWITCHABLE_ANT1

C320

R327

VBATT_CON

R334

R335

U305

B1

A1VOUT

VOUT

B2

A2

VIN

VIN

C2

C1

GND

ON

C

C

N

N

1

R325

R326

2

9
1
3
C

8-17

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’swritten authorization is strictly prohibited.

Level3Repair

8-3-7.

Speaker Part

Play MP3 with maximum volume level.

Check speaker function.

Yes

Check the connection of

Speaker module

Yes

Check the signals on

L607, L612

No

No

Reconnect speaker or replace speaker

module

Replace SPK

Yes

Check the signals on

C640, C641

Yes

END

No

Replace U 602

8-18

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’swritten authorization is strictly prohibited.

Level3Repair

SPK_OUT_P

SPK_OUT_N

L607

L612

0

4

6
C

SPK

ANT602

1

1

2

2

1

ANT603

1

3

0

1

6

4

D

6

Z

C

2

4

0

6
D
Z

2

8-19

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

Level3Repair

8-3-8

Receiver Part

Check receiver function

in voice call receiver mode.

Yes

Check the receiver module

for any damage(tear in

FPCB, crack, etc)

No

Check the signals on C620,

C621

Yes

END

Yes

Replace receiv er module

No

Replace U 602

8-20

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

Level3Repair

PS_ALS_SCL

PS_ALS_SDA

PS_INT

VREG_LVS4_1P8

R620

R621

VREG_L9_2P85

3

2

2

2
6

6

C

C

VREG_LVS4_1P8

VREG_L16_3P0

R622

HDC600

11
33
55 6 6
77 8 8
99

NC

NC

12 13

11

4
2
6
C

NCNC

10 10

14

VDD_IR_LED_3.3V

22
44

R617
R618
R619
R623
R624
R625
R626

1

0

0

0

6
R
V

1

0

2

2

6
R

6

6

V

C

C

Q600

1G

3

S

D

2

IRDA_CTRL

RCV_P
RCV_N

R628

8-21

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

Level3Repair

8-3-9.

BT/WIFI

BT/WiFi is not working

Yes

Check BT or WiFi function

ON

Yes

Check the Status of

C229,C228,ANT200

Yes

Replace BT/WIFI Antenna

Yes

No

No

Enable BT or WiFi Function

Resolder or Replace

C229,C228,ANT200

VDD_WLAN_1P3

END

VREG_L10_3P0

0
2
2
C

CLK_OUT

XO_IN
XO_OUT

BT_SSBI
BT_DATA
BT_STROBE

FM_DATA
FM_SSBI
FM_HS_RX
FM_TXRX

WL_BB_IN
WL_BB_IP
WL_BB_QP
WL_BB_QN

VDD_5GWLAN_3P3

VREG_S2_1P3

VDD_WLAN_1P3

VDD_5GWLAN_3P3

C216

C217

WL_CMD_SET

WL_RFIO_5G

WL_CMD_DATA0
WL_CMD_DATA1
WL_CMD_DATA2
WL_CMD_CLK

VLDO_1P8

C224

VREG_LVS1_1P8

C218

WL_RFIO_5G

C219

F200

IN

GND1 GND2

1

C264

2

OUT

L202

3

4

W
O
L

1

G

2

3

ANT

G

5

F201

G

H
G

I
H

6

C228

L203

ANT200

1

C229

1

2

2

L204

L213

R207

C267

L215

L214

4

L201

C225

C266

C200

4

4

3

7

4

1

3

3

3

9

P

P

P

P

1

1

2

1

_

_

_

_

F

F

B

O

R

B

R

C

_

X

X

V

T

T

_

R

_

B

T

_

_

T

T

B

D

B

_

B

_

_

D

D

D

D

V

D

D

D

V

V

V

5

3

7

5

1

2

3

3

P

P

1

1

_

_

L

G

I

L
P

D

_

_

T

M

B

F

_

_

D

T

D

B
_

V

D
D
V

2

9

9

8

4

9

7

7

7

3

6

5

7

5

4

3

3

3

3

9

9

3

3

3

P

P

P

P

P

P

P

P

P

1

1

1

1

2

2

1

1

1

_

_

_

_

_

_

_

_

_

L

E

A

O

A

A

B

O

A

L

F

L

C

P

P

B

D

N

P

X

_

V

X

X

L

G

G

_

L

R

_

T

5

5

R

G

_

M

_

_

_

_

W

5

M

F

L

L

M

_

_

F

M

M

_

L

F

_

D

F

W

F

W

D

_

_

D

D

_

_

_

W

D

D

D

D

D

D

D

_

W

V

D

D

V

D

D

D

D

V

V

V

V

V

D
V

U200

D

D

D

D

D

D

D

D

D

D

D
N
G

1

2

D

D

D

N

N

G

G

0

8

1

D

D

D

D

N

N

N

N

N

N

N

N

N

N

N

N

N

N

N

G

G

G

G

G

G

G

G

G

G

G

G

G

G

G

9

3

5

2

4

1

0

2

8

3

7

8

7

2

3

1

1

4

4

2

2

2

1

2

2

3

3

1

R203

5

4

1

1

2

2

C

C

3
2
2
C

0

5

0

5

0

1

6

6

9

4

3

3

4

5

1

2

8

2

8

3

3

3

3

9

3

P

P

P

P

P

P

P

P

P

1

1

1

1

1

1

1

2

1

_

_

_

_

_

_

_

_

_

O

G

O

L

C

B

I

A

A

I

A

L

X

_

P

B

P

P

D

N

_

P

_

D

U

_

L

G

G

_

D

L

_

D

2

2

D

G

L

L

D

_

_

W

V

2

D

W

_

W

_

_

D

D

D

D

D

D

V

V

V

D

D

D

N

N

N

G

G

G

6

3

5

6

4

5

5

5

63

L

L

V

_

V

L

WL_CMD_SET

W

W

_

_

W

5

D

_

D

D

D

D

WL_BT_RFIO

V

V

D
V

52

WL_EPA_CTRL0

34

WL_EPA_CTRL1

47

WL_DA_OUT_5G

72

WL_RFIO_5G

16

WL_PDET_IN

TP207

71

WL_CMD_DATA0

70

WL_CMD_DATA1

77

WL_CMD_DATA2

33

WL_CMD_CLK

28

N/C

80

NC

81

NC

D

D

D

D

D

D

D

D

N

N

N

N

N

N

N

N

G

G

G

G

G

G

G

G

6

7

9

6

0

2

5

7

6

7

6

6

6

6

VREG_L4_1P8

VLDO_1P8

L200

1

3

2

0

0

0

2

2

2

C

C

4

5

7

6

0

0

0

0

2

2

2

2

C

C

C

C

C226

8

9

0

0

0

1

2

2

2

C

C

C

OSC200

43

2

1

C227

1
1
2
C

WLAN_BBI_M
WLAN_BBI_P

WLAN_BBQ_P

WLAN_BBQ_M

2
1
2
C

BT_DATA

FM_DATA

WCN_XO

BT_SSBI

BT_CTL

FM_SSBI

FM_ANT

C

2

3

2

1

2

2
C

C

36

31
43

24

TP205

29
19

TP206

41
48
61
68

64
58
51
57

BT / WIFI / FM

8-22

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’swritten authorization is strictly prohibited.

Level3Repair

8-23

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’swritten authorization is strictly prohibited.

Level3Repair

8-24

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’swritten authorization is strictly prohibited.

Level3Repair

8-3-10.

FM RADIO

FM Radio is not working

Check the Connection of E/P

Check the HDC601 connector

Check the Status of L611

Yes

Jack FPCB

Yes

Yes

R654, R651

Yes

No

No

No

Reassemble or replace E/P Jack FPCB

Repalce the board

Resolder or Replace L611

R654, R651

Resolder or Replace U200

Yes

END

8-25

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’swritten authorization is strictly prohibited.

Level3Repair

1

R

D

D

D

C

CWL_

A

A

_WL_

_

HDC601

11
33 44
55 66
77 88
99

NC

NC

NCNC

11

1213

01

VREG_S4_1P8

C646

R640

R639

R650

22

R641

10

10

14

L616

L623

COM_GND_DET_N

EAR_3.5_DET_L

9

3

2

6

0

C

6
D
Z

1
1
6
L

MIC_BIAS2_1.8V

L626

5
5
6

R654

R

R651

L622

L624

3
5
6
R

EAR_MIC_M

2
5
6
R

FM_ANT

HPH_REF

VDD_WLAN_1P3

L200

0

1

3

2

2

0

0

0

2

2

2

2

C

C

C

WCN_XO

BT_SSBI

BT_DATA

BT_CTL

FM_DATA

FM_SSBI

FM_ANT

C

2

3

2

1

2

2

C

C

TP205

TP206

3

3
P

1
_
F
R
X
R
_

36

T
B

CLK_OUT

_
D
D
V

31

XO_IN

43

XO_OUT

24

BT_SSBI

29

BT_DATA

19

BT_STROBE

41

FM_DATA

48

FM_SSBI

61

FM_HS_RX

68

FM_TXRX

64

WL_BB_IN

58

WL_BB_IP

51

WL_BB_QP

57

WL_BB_QN

D
N
G

1

5

4

7

6

0

0

0

0

2

2

2

2

C

C

C

C

C226

8

0

9

0

1

0

2

2

2

C

C

C

OSC200

43

2

1

C227

1

2

1

1

2

2

C

C

WLAN_BBI_M
WLAN_BBI_P

WLAN_BBQ_P

WLAN_BBQ_M

C200

3
2
2
C

3

9

4

4

7

4

7

1

1

9

3

3

P

P

P

1

2

1

_

_

_

F

B

O

R

B

C

_

X

V

T

T

_

_

B

T

_

T

B

B

D

_

_

D

D

D

V

D

D

V

V

5

5

8

4

9

9

7

6

7

7

2

7

5

5

4

3

3

3

9

9

3

3

3

3

3

P

P

P

P

P

P

P

P

P

P

1

1

1

2

1

1

2

1

1

1

_

_

_

_

_

_

_

_

_

_

L

E

L

O

A

A

B

A

A

G

L

I

L

F

P

C

B

D

P

N

P

P

D

X

X

V

L

X

G

G

_

_

_

R

_

T

5

5

R

G

T

M

_

M

_

_

_

_

5

M

B

F

F

L

L

M

_

F

M

_

M

_

_

L

F

_

F

W

F

W

D

D

T

_

_

_

D

_

_

W

D

B

D

D

D

_

D

D

D

D

_

V

V

D

D

V

D

D

D

D

D

V

V

V

V

V

D

D

V

V

U200

D

D

D

D

D

D

N

N

N

G

G

G

0

2

2

8

1

1

D

D

D

D

D

D

D

D

D

N

N

N

N

N

N

N

N

N

N

N

N

G

G

G

G

G

G

G

G

G

G

G

G

8

9

3

0

5

1

2

3

7

7

8

1

3

1

2

1

2

2

2

2

3

3

0

0

5

5

0

2

1

6

6

9

3

4

4

3

5

3

1

2

8

2

8

3

3

3

3

3

9

3

P

P

P

P

P

P

P

P

P

P

1

1

1

1

1

1

1

1

2

1

_

_

_

_

_

_

_

_

_

_

O

G

O

L

C

B

I

A

A

I

O

A

L

X

P

_

L

B

P

P

D

N

_

P

_

_

_

U

D

L

G

G

_

D

L

L

_

D

D

2

2

G

L

L

D

_

_

V

W

W

2

D

W

L

L

V

_

_

_

W

V

_

L

_

D

D

WL_

W

W

D

_

_

D

D

D

W

D

_

V

D

D

D

W

V

V

D

D

D

V

D

V

V

WL_EP
WL_EP

WL_DA

WL

WL_CM
WL_CM
WL_CM

WL_

D

D

D

D

D

D

D

D

D

D

D

D

D

N

N

N

N

N

N

N

N

N

N

N

N

N

G

G

G

G

G

G

G

G

G

G

G

G

G

6

0

2

2

5

4

7

6

6

9

3

5

6

6

6

6

4

6

4

6

7

4

7

5

5

5

8-26

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’swritten authorization is strictly prohibited.

Level3Repair

8-27

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’swritten authorization is strictly prohibited.

Level3Repair

8-3-11.

OCTA

LCD is still off after PWR ON

Yes

Check the connection of

Check the soldering status of

Check U706=3.0V, U708=1.8V

HDC700

Yes

EMI Filters

Yes

No

No

No

Reassemble FRONT assy

Resoldering EMI Filters

F702,F704,F706)

(

Replace the U501

Yes

Replace LCD

Module

Yes

END

8-28

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’swritten authorization is strictly prohibited.

Level3Repair

UIM1_CLK
UIM1_RST

SDC3_DATA_0
SDC3_DATA_3
SDC3_DATA_2

MIPI_DSI0_RESET_N

LCD_ESD_DET

TS_S_RDY

I2C1_CLK_TS

I2C1_DATA_TS

ELVDD_FB

V_TSP_A_3.3V

VREG_L8_3P0

VREG_L23_1P8 NFC_SIMVCC_2.8V

V_TSP_1.8V

R707

6

8

3

3
0
6
0

0

0

0
6

7

7

0

U

C

TP_VPP

AVDD_7.6V

ELVDD_4.6V

11
33

77 88

99
11
13
15
17
19
21
23

27
29
31
33
35
37
39
41 42
43 44
45 46
47 48
495550

4.3" OCTA CON

F702

4

4

1

MIPI_DSI0_CLK_M_F

MIPI_DSI0_CLK_P_F

MIPI_DSI0_LANE0_P_F

MIPI_DSI0_LANE0_M_F

MIPI_DSI0_LANE1_P_F

MIPI_DSI0_LANE1_M_F

1

3

2

2

3

F704

4

4

1

1

3

2

2

3

F706

4

4

1

1

3

2

2

3

HCD700

503308-5051

11 12
13 14
15
17 18
192220
21 22
23 24
252526
27 28
29
31 32
33 34
35 36
37
394440
41
43
45
47
49

2

1

5

5

2

1

5

5

ELVSS_-4.9V

66

10

10
12
14

16

16
18
20
22
24
26
28

30

30
32
34
36

38

38

40
42
44
46
48
50

4

3

5

5

4

3

5

5

MIPI_DSI0_CLK_M

MIPI_DSI0_CLK_P

MIPI_DSI0_LANE0_P

MIPI_DSI0_LANE0_M

MIPI_DSI0_LANE1_P

MIPI_DSI0_LANE1_M

VREG_L6_2P95

TP700

VREG_L15_UIM1

R709

R702

UIM1_DATASDC3_DATA_1
NFC_SWP
SDC3_CMD
SDC3_CLK

OLED_ID

EL_ON

VDDP_EN

MIPI_DSI0_LANE0_M_F
MIPI_DSI0_LANE0_P_F

MIPI_DSI0_CLK_M_F
MIPI_DSI0_CLK_P_F

MIPI_DSI0_LANE1_M_F
MIPI_DSI0_LANE1_P_F

8-29

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’swritten authorization is strictly prohibited.

Level3Repair

8-30

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’swritten authorization is strictly prohibited.

Level3Repair

5

0

3

5

5

5

0

0

0

0

3

5

0

5

5

5

5

0

000

5

5

5

5

0

6

5

5

50000

666

6

5

0

7

5

5

500

0

5

5

50000

8

8

888

8

5

0

9

5

5

5

0

000

999

9

5

1

0

5

5

5

0

000

5

1

2

5

5

5

2

2

2

5

1

5

5

5

5

5

5

5

5

1

9

5

5

5

999

9

5

2

1

5

5

5

222

5

2

6

5

5

5

2

2

2

666

6

5

2

7

5

5

522

2

5

3

2

5

5

5

3

2

2

2

5

3

7

5

5

5

3

5

5

5

3

8

8

888

8

5

4

0

0

5

5

5

4

4

000

5

4

1

5

5

5

4

4

5

4

5

5

5

5

4

4

5

5

5

5

4

7

5

5

5

4

4

5

5

1

5

5

5

5

5

5

5

5

8

5

5

5

5

5

5

8

8

888

8

5

6

0

5

5

5

666

6

0

0

0

0

5

6

2

5

5

5

6

666

2

2

2

5

6

4

5

5

5

6

666

4

4

5

6

6

5

5

5

666

6

666

6

5

6

7

5

5

5

666

6

5

5

5

6

666

8

8

888

8

5

0

1
5

0

2

5

0

3

5

0

4
4

5

0

5

5

0

6
5

0

7
5

0

8

5

1

1

5

0

7

5

5

5

0

0

0

P

5

0

5

5

5

0

000

P

5

0

2

5

5

5

0

00022

2

P

5

1

1

5

5

5

8-31

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’swritten authorization is strictly prohibited.

Level3Repair

8-3-12. 8M

CAM

Camera" function does not work

"

Check the Camera

connector on Main PBA

Check the voltage

C718

=1.8V

C730

=1.2V

C717

=2.8V

C716

=2.8V

F700,F701,F703,F705,F707

Check the

for any damage(crack,

open, etc)

Yes

Abnormal

Yes

No

No

No

Reconnect the8MCam module on

HDC701

Replace U501

Replace F700,F701,F703,F705,F707

Yes

Replace the camera module

Yes

END

No

Change main board

8-32

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’swritten authorization is strictly prohibited.

CAM_SENSOR_A2P8

VREG_CAM_AF_2P8

CAM_SENSOR_IO_1P8

CAM_ISP_CORE_1P2

HCD701

36

NC

11

2

2

4

33

I2C3_DATA_CAM I2C3_CLK_CAM

AF_SCL AF_SDA

MIPI_CSI0_LANE3_P_F
MIPI_CSI0_LANE1_M_F MIPI_CSI0_LANE1_P_F

MIPI_CSI0_CLK_P_F

MIPI_CSI0_LANE0_M_F MIPI_CSI0_LANE0_P_F

MIPI_CSI0_LANE2_P_F

CIS_SPI_SCLK CIS_SPI_SSN
CIS_SPI_MOSI CIS_SPI_MISO

0

8

3

1

7

7

C

C

55 6

7788

10

9

9

111212

11

131314

16

151516

17

171818

19

20

19
212122
23

24

23 24
25 26

25

28

27 27 28

30

29 29

3131 32
33 34

33

35

35

NC

4
6

10

14

20
22

26

30
32
34

37

7
1
7
C

CAM1_RST_N

MIPI_CSI0_LANE3_M_F

MIPI_CSI0_CLK_M_F

MIPI_CSI0_LANE2_M_F

6
1
7
C

8M AF CAM

Level3Repair

F700

4

4

1

MIPI_CSI0_LANE3_P

MIPI_CSI0_LANE3_M MIPI_CSI0_LANE3_M_F

MIPI_CSI0_LANE2_P

R715

5
1
7
C

CAM_MCLK0

MIPI_CSI0_LANE2_M

MIPI_CSI0_LANE1_P

MIPI_CSI0_LANE1_M MIPI_CSI0_LANE1_M_F

MIPI_CSI0_LANE0_P

MIPI_CSI0_LANE0_M

MIPI_CSI0_CLK_M MIPI_CSI0_CLK_M_F

1

2

2

F701

1

1

2

2

F703

1

1

2

2

F705

1

1

2

2

F707

1

1

2

2

3

4

3

4

3

4

3

4

3

3

4

3

4

3

4

3

4

3

MIPI_CSI0_LANE3_P_F

MIPI_CSI0_LANE2_P_F

MIPI_CSI0_LANE2_M_F

MIPI_CSI0_LANE1_P_F

MIPI_CSI0_LANE0_P_F

MIPI_CSI0_LANE0_M_F

MIPI_CSI0_CLK_P_FMIPI_CSI0_CLK_P

8-33

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’swritten authorization is strictly prohibited.

Level3Repair

8-34

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’swritten authorization is strictly prohibited.

Level3Repair

7

0

0

0

001

7

0

3

0

3

7

0

5

0

5

7

0

7

0

7

E

D

7

0

0

7

0

8-35

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’swritten authorization is strictly prohibited.

Level3Repair

8-3-13.

VT CAM

Front Camera" function does not work

"

Yes

Check the Camera

connector on Main PBA

Check the voltage

C724

=1.8V

C722

=2.8V

Yes

Abnormal

No

No

Reconnect the HCD702

Replace U 501

Check F708, F709 for for

any damage(crack, open)

Yes

Replace front camera module

Yes

END

No

Resolder F708,F709

8-36

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’swritten authorization is strictly prohibited.

VT_CAM_MCLK

F

Level3Repair

CAM_SENSOR_A2P8

CAM_SENSOR_IO_1P8

R718

1

4

2

2

7

7

C

C

I2C3_DATA_CAM MIPI_CSI1_CLK_P_F

I2C3_CLK_CAM

CAM2_RST_N

2
2
7
C

TP701

HCD702

1

2

1

3

344

5

566

7

788

9

9

10

11

111212

1313 1414
15 15 16 16
17 17
19

19

20 20

C

C

C

C

N

N

N

N

1

2

3

4

2

2

2

2

2

10

1818

MIPI_CSI1_CLK_M_F

MIPI_CSI1_LANE0_M_F
MIPI_CSI1_LANE0_P_F

7
1
7
R

MIPI_CSI1_LANE0_M

MIPI_CSI1_LANE0_P

MIPI_CSI1_CLK_P

MIPI_CSI1_CLK_M

F708

4

4

1

1

2

2

F709

1

1

2

2

MIPI_CSI1_LANE0_M_

3

MIPI_CSI1_LANE0_P_F

3

4

4

MIPI_CSI1_CLK_P_F

3

MIPI_CSI1_CLK_M_F

3

VT CAM

8-37

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’swritten authorization is strictly prohibited.

Level3Repair

8-38

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’swritten authorization is strictly prohibited.

Level3Repair

8-3-14.

GSM

B5

850/

NORMAL CONDITION

catch the channel?

No

Trouble occurs only in

GSM850/B5 band?

Yes

L123,C158,L125,C162,L12
condition for any damage

Check

L128 soldering

4,

No

Check F105 for any

damage(crack, open,

etc)

No

Check U102 for any

damage(crack, open,

etc)

NO

Yes

Yes

Yes

Try

8-3-3

CHECK soldered components

L123,C158,L125,C162,L124,L128

esolder or change

R

esolder or change

R

Repair procedure

F105

U102

No

Change the board

END

8-39

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’swritten authorization is strictly prohibited.

Level3Repair

RF_TX_DA_3
PA_ON6_B2_EN
PA_ON8_B5_EN

PA0_R0

C138

VBATT_PA

C142

1

VBATT

2

RFIN

3

VEN_B2

4

VEN_B5

5

VMODE

6

C172

C173 C174

GND

B2 / B5 PA

VBATT_PA

C141

C146

R107

7

5

6

1

1

1

D

D

N

I

N

N

L

G

G

P
C

14

RFOUT_B2

U102

13

GND

12

VCC

11

GND

10

RFOUT_B5

9

T

GND

U
O

D

L

N

P
C

G

8

7

R109

L115

C151

L125

C148

C158

C162

L110

C139

6

T
N
A

1

3

RX

TX

F103

G

G

4

2

3

TX

F105

G

G

4

2

6

G

G

G

3
1

8

7

5

L

C156

C157

L119

6

T
N
A

1

RX

G

G

G

7

8

5

WCDMA_B2

L116

L117

C153

RX_B2

WCDMA_B5

L123

L124

L128

RX_B5_G850

8-40

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’swritten authorization is strictly prohibited.

Level3Repair

8-3-15.

GSM

GSM1900 RX

1800/

NORMAL CONDITION

catch the channel?

No

Trouble occurs only in

GSM1800/GSM1900 band?

Yes

L104,L105,L131,L132,L10

Check

L109,C126,L107,L108

6,

soldering condition for

No

Check F101 for any

damage(crack, open,

etc)

No

NO

Yes

Yes

Try

L104,L105,L131,L132,L106,L109,C126,L107,L108

Repair procedure

8-3-3

CHECK soldered components

esolder or change

R

F101

Check U101 for any

damage(crack, open,

etc)

No

Change the board

END

Yes

esolder or change

R

U101

8-41

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’swritten authorization is strictly prohibited.

Level3Repair

G

N

D

A

U

VBATT_PA

VBATT_CON

NT_CPL_O

VBATT_PA

Near WTR2605

RX_DCS_PCS RF_TX_DA_1

L104

L106

L109

L105

C126

PDET_IN

1

OUT

G

G

G

78

10

F101

6

IN1

9

IN2

G2G3G45G

L107

Near WTR2605

R104

R103

R105

R106

L131

L108

SPDT_SEL

ANT_CPL_OUT

ANT_SW_SEL0
ANT_SW_SEL1

0603

VBATT_PA

C124

36

PCS

L132

DCS

C133

RF_IN

18

RX1

20

RX2

35

SPDT

19

SPDT_IN

21

SPDT_OUT

38

SW0

37

SW1

D

D

N

N

G

G

1

3

C129

C130

2

C122

C114

C113

C125

2
3

4

5

T

C

C

T

C

C

A

V

V
B
V

U101

D

D

D

D

D

D

D

D

D

N

N

N

N

N

N

N

N

N

G

G

G

G

G

G

G

G

G

1

2

3

0

6

7

8

9

1

1

1

1

D

D

D

D

D

D

D

D

D

N

N

N

N

N

N

N

N

N

G

G

G

G

G

G

G

G

G

2

1

5

4

3

7

6

7

9

3

2

3

2

1

2

1

1

2

2

4

8-42

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’swritten authorization is strictly prohibited.

Level3Repair

8-3-16.

GSM

B8

900/

NORMAL CONDITION

catch the channel?

No

Trouble occurs only in

GSM900/B8 band?

Yes

Check L121,L122,L127
C180,L126,L133 soldering
condition for any damage

crack, open, etc)

(

No

Check F104,U103 for

any damage(crack, open,

etc)

No

NO

Yes

Yes

Try

8-3-3

CHECK soldered components

L121,L122,L127,C180,L126,L133

esolder or change

R

F104,U103

Repair procedure

Check UCP400-1 for any

damage(crack, open,

etc)

No

Change the board

END

Yes

esolder or change

R

U400-1

8-43

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’swritten authorization is strictly prohibited.

Level3Repair

7

6

5

1

1

1

D

D

N

I

N

N

L

G

G

P
C

1

VBATT

2

RFIN

3

VEN_B1

4

VEN_B8

5

VMODE

6

C176

C177

GND

B1 / B8 PA

14

RFOUT_B1

13

U103

GND

12

VCC

11

GND

10

RFOUT_B8

9

T

GND

U
O

D

L

N

P

G

C

7

8

R110

C180

L126

L133

6

T
N
A

3

TX

F104

G

G

G

G

4

8

7

2

5

C155C154

L118

1

RX

G

L127

WCDMA_B8

L121

L122

RX_B8_G900

8-44

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’swritten authorization is strictly prohibited.

Level3Repair

8-3-17.

WCDMA BAND1

NORMAL CONDITION

catch the channel?

Trouble occurs only in

WCDMA1band?

C137,C136,L111,L134,L11
condition for any damage

Check

C152,L135 soldering

4,

Check F102 for any

damage(crack, open,

etc)

Yes

No

No

No

NO

Yes

Yes

Try

C137,C136,L111,L134,L114,C152,L135

Repair procedure

8-3-3

CHECK soldered components

esolder or change

R

F102

Check U103 for any

damage(crack, open,

etc)

No

Change the board

END

Yes

esolder or change

R

U103

8-45

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’swritten authorization is strictly prohibited.

Level3Repair

C136

VBATT_PA

6

T

C140

C144

R108

5

7

6

1

1

1

D

D

N

I

N

N

L

G

G

P
C

1

VBATT

2

RFIN

3

VEN_B1

4

VEN_B8

14

RFOUT_B1

13

U103

GND

12

VCC

11

GND

C178

C149

C145

N
A

3

TX

RX

F102

G

G

G

G

G

2

4

5

8

7

C137

L111

1

5
3
1
L

L114

C152

WCDMA_B1

L134

RX_B1

8-46

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’swritten authorization is strictly prohibited.

Level3Repair

8-3-18.

WCDMA BAND2

NORMAL CONDITION

catch the channel?

Trouble occurs only in

WCDMA2band?

C138,C139,L110,L116,L11
condition for any damage

Check

C153,L136 soldering

7,

Check F103 for any

damage(crack, open,

etc)

Yes

No

No

No

NO

Yes

Yes

Try

C138,C139,L110,L116,L117C153,L136

Repair procedure

8-3-3

CHECK soldered components

esolder or change

R

F103

Check U102 for any

damage(crack, open,

etc)

No

Change the board

END

Yes

esolder or change

R

U102

8-47

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’swritten authorization is strictly prohibited.

Level3Repair

RF_TX_DA_3

PA_ON6_B2_EN
PA_ON8_B5_EN

PA0_R0

C138

VBATT_PA

C142

1

VBATT

2

RFIN

3

VEN_B2

4

VEN_B5

5

VMODE

6

C172

C173 C174

GND

B2 / B5 PA

VBATT_PA

C141

C146

R107

7

6

5

1

1

1
D

D

N

I

N

N

L

G

G

P
C

14

RFOUT_B2

U102

13

GND

12

VCC

11

GND

10

RFOUT_B5

9

T

GND

U
O

D

L

N

P
C

G

7

8

R109

L115

C151

L125

C148

C158

C162

L110

C139

6

T
N
A

1

3

RX

TX

F103

G

G

4

2

3

TX

F105

G

G

4

2

6

G

G

G

3

1

8

7

5

L

C156

C157

L119

6

T
N
A

1

RX

G

G

G

8

7

5

WCDMA_B2

L116

L117

C153

RX_B2

WCDMA_B5

L123

L124

L128

RX_B5_G850

8-48

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’swritten authorization is strictly prohibited.