8. level 3 repair

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. Level 3 Repair

8-1. Components Layout

MAIN PBA (TOP SIDE)

MAIN PBA (BOTTOM SIDE)



8. Level 3 Repair

SUB PBA (TOP SIDE)

SUB PBA (BOTTOM SIDE)

SDR660

SM6150

NFCPN80T

NFC_SPI

NFC ANT

NFC_FIRM

NFC_IRQ_N

NFC_CLK_REQ

RFFE1_CLK

RFFE1_DATA

NFC_SPI_SCLK

NFC_SPI_MISO

NFC_SPI_MOSI

NFC_SPI_CS_N

NFC_SDA_1P8

NFC_SCL_1P8

QLINK_RX1_N

QLINK_RX1_P

QLINK_TX1_N

QLINK_TX1_P

BT/WIFI/FMWCN3980

WIFI5G

SPDTBGS12WN6

WL_RFI_5G_CH0

PA_EN_5G

WL_BB_IQ_RX

WL_BB_IQ_TX

BT_FM_DATA

38.4M_CLK

LMBMMMB PA

SKY77656-11

MAIN2 ANTHB

SP4TBGS14MPA9

B7 DuplexerSAYEY2G53BD0F3K

HB PAMSKY77786-11

TX_TR_OUT_B7_38_40_41_CH0

PRX_TR_IN_B7

CouplerLDJ18829M28

DG014

MAIN CA FEMidD5328

TX_PA_OUT_B1

TX_PA_OUT_B2

TX_PA_OUT_B3

TX_TR_OUT_B1_2_3

TX_TR_OUT_GSMHB

TX_TR_B5_8_20

TX_TR_OUT_GSMLB

PRX_TR_IN_B5_G850

PRX_TR_IN_G1800_B3

PRX_TR_IN_G1900_B2

SAWB8347

SAWSFDG93AQ902

LNABGA7H1BN6

PRX_TR_IN_B38_40_41

DRX LFEMSKY13745-21

SAWSAFFB1G56KE0F3K

PRX_TR_EGSM_B8

DRX_TR_IN_B2_3_GSMHB

DRX_TR_IN_B7_38_40_41

GPS_RF_IN

DRX_TR_IN_B1

DRX_B38_41

DRX_B40

LNAMXDLN16U

DRX_TR_IN_B5_8_20

PRX_HB1

TX_CH0_HB1

PRX_MB4

TX_CH0_MB1

TX_CH0_LB1

TX_CH0_LB2

TX_CH0_MB2

TX_FBRX_P

PRX MB3

PRX_LB5

PRX_LB4

PRX_MB1

DiplexerDPX202700DT-

4162A1

GPS_ANT_TEST

SAWSFHG52AA002

SAWSFDG_93AQ902

SAWSFWG62DBB02

DRX_LB2

DRX_MB1

DRX_MB3

GNSS_IN

TRX_B38_41

TRX_B40

TRX_B7

DRX_B2_66

TX_PA_OUT_B8

TX_PA_OUT_GSMLB

TX_PA_OUT_GSMHB

TX_PA_OUT_B5

PRX_ANT_LB

PRX_ANT_MB

DRX_ANT_MB

DRX_ANT_LB

DRX_ANT_HB

RF Band Information

GSM: 850/ 900/ 1800/ 1900WCDMA: B1/ B2/ B5/ B8LTE FDD: B1/ B3/ B5/ B7/ B8/ B20LTE TDD: B38/ B40/ B41

BT/BLE : 2402 ~ 2480MHzWiFi 2.4GHz : 2412 ~ 2472MHzWiFi 5GHz : 5180 ~ 5825MHz

DiplexerDPX252690DT-5325A1K

TR_FBRX

ANTLB

ANTMB

ANT_M

ANT_L

ANT_H

QLINK_RX2_N

QLINK_RX2_P

QLINK_RX3_N

QLINK_RX3_P

QLINK_CLK_N

QLINK_CLK_P

BT_FM_CLK

WL_BT_RFIO_2G_CH0

DiplexerDPX105950DT-

6116A1

SAWSAFFB2G45MA0F3

KWIFI2G

WL_RFO_5G_CH0

WL_SW_CTRL

HCI_UART_RTS/CTS/TXD/RXD

LPI_UART_1_TXD/RXD

WL_BT_COEX_CLK/DATA

WCSS_CH0_CMD_CLK/DATA

SAWSAFFB1G56KE0F3K

CouplerLDJ18829M28

DG014

CPL_H

B_FW

D

SAWDEA165500BT-

2208A1K

SAW FILTERSAFFB2G14AA0F0A

PRX_B1LNA

BGA7H1BN6PRX_TR_IN_B1

DiplexerDPX202700DT-4062A1

TRX_ANT_HB

PRX_HB2

SPDTMXD8621

PRX_TR_IN_B1_MB

PRX_TR_IN_B1_HB PRX HB3

SPDTMXD8621

DRX MB1PRX_TR_IN_B1_MB

PRX_TR_IN_B1_HB DRX HB1

MAIN1 ANTLB/MB

SPDTMXD8621

CPL_H

B_R

EV

CPL_FW

D

CPL_R

EV

SUB ANTLB/MB/HB

GPS ANT

WiFi ANT

KM2V7001CM-B706Memory

LPDDR4 6GBeMMC 128GB

SPKSPK AMPWSA8815

WSA_SWR_DATA/CLK

OCTA_MIPI_D(0:3)_P/N

RCAM132M

MIPI SwitchFSA644

FCAM/RCAM3 MIPI

TSP_I2C

Finger Print SensorET520

BTP_SPI

6 Axis SensorLSM6DSL

Proxy&RGB SensorSTK3031

SIM1 CLK/DATA

SENSOR_I2C

SENSOR_SPI

LPDDR4A_CA(0:5)

VT CAM32M FF

MIPI_FCAM

Magnetic SensorAK09918C

SENSOR_I2C

SIM SOCKET

SIM2 CLK/DATA

MICROSD_DATA/CLK/CMD

CODECWCD9370

SWR_RX_CLK_DATA1/2

CODEC_IRQ_N

SWR_TX_CLK_DATA1/2

PROXY_INT

SPK_OUT_P/N

OCTAMIPI_CLK_P/N

OCTA_RST_N

TSP_INT

SPMI_DATA/CLK

CAM_FLASH_EN

SDM_CXO

SDM_RF_XO

SLEEP_CLK

MUIC_D_P/N

RCAM25M

RCAM38M

RCAM1_SENSOR_I2C

MIPI_RCAM2_Data/CLK

RCAM2_SENSOR_I2C

MIPI_RCAM3

RCAM3_SENSOR_I2C

LPDDR4A_DQ(0:15)

LPDDR4B_CA(0:5)

LPDDR4B_DQ(0:15)

LPDDR4A_CLK/CKE/CS/DMI/DQS

LPDDR4B_CLK/CKE/CS/DMI/DQS

SDM_RESOUT_N

EMMC_RCLK

LPDDR4_RST_N

PMICPM6150

PWR KEY

Vol DOWN

FLASH LED

PMICPM6150A

V/L UP

Crystaloscillator

IF CON

SBU1/2

CC1/2

OVPKTS1678

VBUS_IF_5P0CHG_IN_5P0

MUIC_D_P/N

Battery4500mAh

VPH_PWR

V_BATTERY

IFC_SENSE_SW_EN

JIG_ON_N

VBAT_SENSE_P

Display PMIC

SM3010

Display

VDD_LCD_ELVSS_-4P4

VDD_LCD_ELVDD_4P6

VDD_LCD_ELAVDD_7P3

EL_ON1

EL_ON2

MIPI_RCAM1_Data/CLK

FCAM_SENSOR_I2C

FCAM_EEP_I2C

RCAM3_EEP_I2C

RCAM1_AF_EEP_I2C

SDM_RESIN_N

SDM_PS_HOLD

SLEEP_CLK

EMMC_D(0:7)

Hiccup IC

GND

HICCUP_EN

USB_D_P/N

SLB

VBAT_SENSE_P

RGB SensorTCS37013SH175H

SENSOR_I2C

MAIN MIC P/N

SUB MIC

MAIN MIC

EAR MIC

SUB MIC P/N

EAR MIC P/N

RCV P/N

EAR_OUT

RCVEAR P/N

TX_PA_OUT_B20

ANT1000ANT1001

ANT1

002

ANT1

003

ANT1004

ANT8000ANT8001

ANT8

100

ANT8

101

C1020

C1023

C1025

C102

6C111

4

C205

8

C2073

C207

6C2

080

C208

1C2

082

C208

3

C208

7

C2089

C209

0

C209

2

C209

3

C209

8

C2099C210

0

C210

1

C210

2

C2103

C2108

C2109

C2110

C211

1

C212

1

C2122

C2123 C2124

C3017C3018

C3040

C304

2

C304

3

C401

4

C4023

C4065

C4094

C409

5

C409

6

C500

4 C503

0

C503

1

C503

4

C503

7

C5039

C5043

C504

6

C5053

C505

4

C508

5

C5104C5115

C513

2

C513

3

C6000

C6001

C600

2

C600

3

C600

4

C600

5

C6006

C600

7

C600

8

C6009

C6010C6011

C601

2C6

013

C6014

C601

5

C6016

C6017

C6018

C601

9

C6020

C6022C6023

C6024 C6025

C6026

C6027

C6028

C6029

C6030

C6031

C603

2

C6033

C6034

C6035

C6037

C6038

C6039

C6040

C6041

C6044

C6046

C6049

C6050

C605

8

C6062

C6075C6076

C6077

C700

1

C7004

C7007

C700

8

C700

9

C701

0

C7011 C7012C701

3

C702

3

C702

4

C703

6

C703

8

C704

0

C8000

C800

1

C8004C8007

C8008C8009

C8011 C8012

C801

6

C8019

C802

1

C8023

C8024

C8025

C8026

C8027

C802

8

C802

9

C8030

C8031

C8035

C804

4

C8045

C815

3

CN4000

CON6001

D6002

D8000

F100

2

F2003

F2005

F200

8

F200

9

HDC7

000

HDC7

001

HDC7002

JTAG4000JTAG4001

JTAG4002

L1022

L102

3

L2038

L2041

L2042

L204

4

L204

5

L204

6

L204

7

L205

1

L205

2

L205

4L2

057

L2058

L206

1L2

063

L2066

L600

0

L6012

L601

3

L700

0

L700

1

L8002

L800

3

L8004

L8007

L800

8

L801

0

L8016

L801

7

L801

8

L801

9

PAM2000

R1002

R1003R1004

R2001

R2002

R3001

R300

2

R3003

R3012

R3013

R4000

R4001

R4002

R400

3

R4004

R4005

R4006

R4007

R4012

R401

5

R4016

R4021

R4025

R4026

R402

7

R402

8

R4031

R4032R4040

R404

1

R5002

R500

8

R5018

R501

9

R5021 R5022

R502

3

R502

4

R600

1

R600

2

R600

3

R6004

R600

7

R600

9

R6010

R6016

R6017

R6018

R6035

R6036

R700

0

R700

1

R700

2

R700

3

R700

5

R800

6

R8008

R800

9

R8011

R8012

R8040

SC6000

SC60

02SI

M1

SIM2 SIM3

SIM4UP

TH40

00

TP_4

001

TP_4

002

TP_4

003

TP_4

004

TP_4

005

TP_4

006

TP_ATEST

TP_NFC_FIRM TP_NFC_IRQ

TP_SDM_RESOUT_N

TP_S

LEEP

_CLK

TP_T

DMB_

EN

TP_T

DMB_

INT

TP_WCSS_CLK

TP_WCSS_DATA

TP_W

MSS

_RST

_NTP

1000

TP30

00

TP30

01

TP30

02

TP30

03

TP3004

TP30

05

TP30

06

TP3009

TP3010

TP3011

TP3012

TP3013

TP3014

TP3015

TP3020TP3021

TP3022

TP3023

TP4000

TP6000

TP6006

TP6007

TP7000 TP7001

TP7002

TP7003

TP80

04

TP80

05

TP80

06TP

8007

TP80

08

TP80

09

TP80

10

TR5002

U1001

U2007

U2011

U3000

U300

1

U3003

U301

9

U5002

U500

6

U6000

U6001

U600

3

U7001 U700

2

U700

3

U800

1

UCP4

00

UME6

000ZD6003

ZD60

05

ZD60

06

ZD6007

ZD60

08

ZD60

09

ZD6010ZD60

11

ZD6013

ZD6014ZD6015

ZD6016

ZD60

17

ZD6018

ZD60

19

ZD6020

ZD60

24

ZD60

25

ZD7000

ZD70

03

ZD70

04

ZD70

07

ZD70

08

ZD70

09ZD70

10

ZD7011

ZD7012

ZD8003

VX_Setup(2018-12-18)_HHPCreated date of PCB data : 2019/3/5 12:13:57

Model : Revision : Manufacture Count : Charge : Contact : Date : Routing : Resin :


ANT1005

ANT2

000

ANT2

001

ANT2

002

ANT3

000

ANT3

002

ANT3

003

ANT3

004

ANT3006

ANT3007

ANT3

010

ANT3011

BH60

02C1

000

C100

1

C1002

C100

3

C1004

C1005

C100

6

C100

7

C1008

C1009

C1010

C1011

C101

2

C1014

C1015

C101

6

C1017

C101

8

C101

9

C102

1

C1027

C1028

C1031

C1032

C1033

C103

5

C1036

C103

7

C1039

C1040

C1041

C1042

C1043 C1044

C104

5

C104

6

C1047C1050

C1051

C1052

C1053

C1054

C1055

C105

8

C106

1

C106

2

C106

3

C106

5

C1066

C1067

C106

8

C106

9

C107

0

C1071

C1076

C107

7 C1083

C1094

C1112

C1113

C111

5

C1116

C1123

C1124

C1125

C1126

C1129

C1134

C113

5

C113

6

C113

7

C2000

C200

1

C200

2C2

003

C200

4

C2005

C200

6

C200

7

C2008

C2009

C2010C2011

C201

2C2

013 C201

4

C2015

C2016

C2017

C201

8

C2019

C2020

C2021

C2022

C2023

C2024

C2027

C2028

C2029

C2031

C2032 C203

3

C2034

C203

8

C203

9

C204

2

C2043

C2044

C204

5

C204

6

C204

9

C205

0

C2051

C2053

C2054

C205

5

C205

6

C2057

C2059

C2060

C2061

C206

2

C206

3

C206

4

C2065

C206

6

C2067

C206

8

C2069

C207

1

C2072

C2074

C2075

C207

7

C2078C2079

C208

4

C208

5C2

086

C208

8

C209

1

C2094

C2095

C2096

C2106

C2107

C211

2

C2113

C211

5

C300

0

C3001

C3002

C300

3

C300

4

C3005

C300

6

C300

7C300

8C300

9

C301

0

C301

1

C3012

C3013

C301

4

C3015

C3016

C301

9

C302

0

C302

1

C3022C3023

C302

4

C3025

C3026

C302

7

C3028

C302

9

C303

0C3

031

C3032

C303

3

C303

4

C303

5

C303

6 C303

7

C3038

C3039

C304

1

C3044

C3045C3046

C3047

C3048

C3049

C3050

C3051

C3052

C3053

C3054

C3055

C305

6

C305

7

C3058

C3059

C3060

C3061

C3062

C3063

C3069

C3070

C307

1

C307

2

C3073

C3074

C3075

C3076

C307

7

C3078

C3079

C3080

C3081

C308

2

C3083

C3084

C3085

C3086

C3087C308

8

C308

9

C3090

C4000C4

001

C400

2

C400

3

C400

4

C400

5

C4006

C4007

C4008

C400

9

C4010

C4011C4012

C401

3

C401

5

C4016

C4017

C4018

C401

9

C4020C4021

C4022

C402

4

C4025

C4026

C4027 C4028

C4029

C4030

C4031

C4032

C4033

C4034

C4035

C4036

C4037

C4038

C4039

C4040

C4041

C404

2

C4043

C404

4

C4045C404

6

C4047

C404

8

C4049

C4050

C4051

C4052

C4053

C4054 C4055

C4056

C4057

C4058

C4059

C406

0

C406

1

C406

2

C4063

C4064

C4066

C4067

C4068

C4069

C4070

C4071

C407

2

C407

3

C4074

C407

5

C4076

C4079

C4080

C408

6

C4091

C4097

C4098

C500

0

C5001

C5002C5

003

C5005

C500

6

C501

4

C5016

C501

9

C502

1

C502

2

C502

3

C502

5

C502

6C5027

C5028

C5032

C5033

C503

5

C5036

C5038

C5040

C5041

C5042

C5044

C504

5

C5047

C504

8

C504

9

C5050

C505

2

C505

5

C505

6

C5064

C5065

C5066

C5067

C5068

C506

9

C5070

C507

1

C507

2

C507

3

C507

4

C5075C5076

C5077

C507

8

C5079

C5081

C508

3

C508

4

C508

6

C5087C5

088

C5089

C509

0

C5092

C5093

C509

4

C509

5

C5096

C5097

C509

8

C510

0

C510

1

C510

3

C510

5C5

106

C5107

C510

8

C510

9

C5110

C5111

C5112

C511

3

C5114

C5116

C5117

C5118

C5119 C5120C5

121

C512

2

C512

3

C512

4

C5125

C512

6

C512

7

C5128

C5129

C6021

C603

6

C6042

C604

3

C6045

C604

7

C6048

C605

1

C605

6

C605

7

C606

0

C6065

C6066

C606

7

C606

8

C606

9

C607

2

C607

3C6

074

C6078

C700

0

C700

2

C700

3C7005

C7006

C701

4

C7015

C701

6

C701

7

C701

8

C7019

C702

0

C702

1

C7022

C702

5

C702

6

C7027

C702

8

C702

9

C7030

C7031

C703

2

C7033

C703

4

C703

5

C7041

C704

2

C705

5

C7056

C705

8

C7059

C7061

C7062

C7063

C7064

C7065

C7066

C7067

C7068

C7069

C707

0

C7071

C7072

C7073

C707

4

C707

5

C707

6

C800

2

C8003 C800

5C8

006

C8013C8014

C801

5

C8022

C803

4

C8038

C8039

C8041

C804

2

C8050

C8051

C805

2CON6002

D600

0

D6001

F1000

F100

4

F1005

F200

0

F2001

F200

2

F200

4F2

006

F3000F3001

F300

2

F3003

F300

9GA

S600

0

HDC4

000

HDC5

000

HDC6000

HDC7003

L100

0

L1001

L1002

L1003

L1004L1005L1007

L1008

L1009

L1010

L1011

L101

2

L101

3

L101

5

L101

7

L1018

L1021

L102

7

L1028

L1030

L1031

L1032

L1033

L1035

L1036

L1037

L1038

L1039

L104

0

L1041

L104

2

L1043

L104

4

L104

5

L1050

L1051

L105

2

L1053

L105

6

L105

8

L108

0

L2000

L2001

L2002

L2003 L200

4

L2005

L2006

L2007

L2008

L2009

L2010L2011

L201

3

L201

4

L201

5L2

016

L201

7L2

018

L201

9

L2020

L202

1L2022

L202

3

L2024

L202

5

L2026

L202

7

L202

8

L202

9

L203

0

L203

1

L2032

L203

3

L203

4

L2035

L2036

L2037

L203

9

L204

0

L2043

L2048

L2049

L2050

L2053

L206

2

L206

4

L2065

L206

7

L3000L3001

L300

2

L3003

L3004

L3005

L3006

L300

7

L300

8

L300

9L3

010

L3011

L3012

L3013

L3014

L301

5

L301

6

L3017L3018

L3810L3811

L5000

L5001

L500

2 L5003

L500

5

L5006

L5007

L5008

L500

9

L501

0

L5011

L5016

L501

9

L5020

L5022

L502

3

L6001

L7002

L700

3

L7005

L700

6

L7007L7008

L700

9

L701

0

L800

0

L8001L8005

L8012LE

D500

0

MIC

8000

MST

_DAT

A_A_

TP

MST

_DAT

A_B_

TP

OSC5000

R100

0

R100

1

R1005

R100

6

R100

7

R100

8

R100

9

R101

0

R1011

R2000

R200

4

R200

5

R200

6

R2007

R2008

R3000

R3004

R3005

R3006

R3007

R300

8

R3009

R3014

R3016

R3021

R400

8

R400

9

R401

0

R4011

R401

3

R401

4

R4022

R403

3

R403

4

R4037 R4038

R4042

R500

0

R500

1

R5003

R500

4

R5006

R5007

R501

1

R501

2R5

016

R5017

R502

5R5

026

R5027

R5029

R503

0

R5031

R503

4

R5043

R6000

R6005

R6006

R6008

R6011

R6013

R6032

R6033

R700

4

R700

6

R800

0

R800

1

R8002

R8003

R800

4

RFS1000

RFS1001

SC60

01

SC60

05

SC6006

TH2000

THM3000

TP_FAULT_N

TP_F

LIPC

OVER

TP_NFC_CLK_REQ

TP_PS_HOLD

TP_SDM_RESIN_N

TP_UB1

TP3007

TP3008

TP4001

TP50

00

TP50

01

TP5002

TP5003

TP5004

TP50

05

TP5006

TP50

07

TP50

12TP

5013

TP50

14

TP50

15

TP6001

TP60

02

TP6003

TP60

04

TP6005

TP80

00

TP80

01TP

8011

TR5001

U100

0

U1004

U100

6

U100

8

U1009

U200

0

U200

1U200

2

U2005

U2006

U200

9

U3002

U300

4

U300

5

U300

6U3009

U3016

U3021

U5003U5

004

U6002

U600

4

U700

0

U7009U701

0U701

6 U800

0

VR6000

ZD10

00

ZD1001

ZD30

00

ZD30

01

ZD3002

ZD3003

ZD3004

ZD40

01 ZD4002

ZD40

03

ZD5000

ZD50

01

ZD60

00

ZD6001

ZD60

02

ZD60

04

ZD60

12

ZD6021

ZD6022

ZD6023

ZD7013

ZD70

14

ZD70

15

ZD70

16

ZD70

17

ZD8000ZD8001

ZD80

02


Model : Revision : Manufacture Count : Charge : Contact : Date : Routing : Resin :




8. Level 3 Repair

8-3. Flow chart of Troubleshooting.

Oscilloscope Digital Multimeter

Power Supply + driver, ESD Safe Tweezer

8960 & Spectrum Analyzer Soldering iron



8. Level 3 Repair

8-4-1. Power On

Check the signal of TRST_N = 1.8V

Mobile phone does not power on.

YesNo

No Charging the battery by TA.

If its voltage level is extremely low

(under 3.0V),

Change the battery.

YesNo

END

YesNo

Power-on the phone and check

the power-on sound

or motor Vibration. Sound or Vibration is ok?

Yes

Change the FRONT-LCD ASSY

No

Check the voltage level at R3005 while pressing power key. Is the voltage lower than

0.3V?

No Replace the Power key FPCB

YesNo

No

Check the output voltage of U5003

C5032 > 3.3V, L5000 > 1.1V, L5002

> 0.9V, L5003 > 0.9V, L5007

> 0.9V, L5008 > 0.9V,L5010 > 0.9V,

L5009 > 1.3V and other LDO Voltage

If the output voltage is abnormal, Change

the U5003

※ Each voltage level has ±10% margin YesNo

No Replace the U5004

※ Test condition (Oscilloscope setting)

: 20.0us.div (time division) YesNo

Check the initial operation

Check the Battery Voltage. Is it more than 3.8V?

Check the signal of SLEEP_CLKIs the frequency 32.768kHz?



8. Level 3 Repair

8-4-2. Initial

Initial Failure

YesNo

YesNo

END

AbnormalNo

Re Check "Power on"Trouble shooting process

Abnormal Check the U5004 (Crack, open etc.) Check the U5003 (Crack etc)

Normal

Change U5003

Re-download latest SW on the mobile phone

Abnormal

Change PBA

Change U5004

Abnormal



8. Level 3 Repair

8-4-3. No Service

No service

YesNo

YesNo

END

Check the Voltage C2018 : 1.8V, C2023 : 1.2V

C2005/C2002 : 1.0V

No

Replace the U2009

Home screen → Phone →

Keypad → *#1234# → Check

Phone version → CP :

A705FXXXX or unknown

YesNo

CP : A705XXXXX

Check the connection of RF coaxial cable

Check the clock OSC5000 Is the frequency 38.4MHz?

No

YesNo

Replace the OSC5000

Replace the U2009

YesNo



8. Level 3 Repair

8-4-4. SIM Part

Insert SIM card

YesNo

YesNo

END

Check the SIM Voltage. = 1.8V or 3.0V

(C6036,C6039)?

No

Change to the new SIM card.

If it doesn`t still work SIM card after

changing

the SIM card, Check the U5003 (Crack

etc)

Is SIM socket ok?

YesNo

No

Replace SIM socket

Check the SIM RST / IO / CLK. (SIM1 : ZD6008, ZD6006, ZD6007) (SIM2 : ZD6024, ZD6019, ZD6020)

Is signal ok?

No

YesNo

Check the UCP400 (Crack etc)



8. Level 3 Repair

8-4-5. T-Flash Part

Insert T-Flash card

YesNo

YesNo

END

Check the T-flash Voltage.(C6032) = 3.0V?

No

Change to the new T Flash card.

If it doesn`t still work T Flash card after

changing

the T FLASH, Check the U5003

(Crack etc)

Is SIM socket ok?

YesNo

No

Replace SIM socket

Check the t-flash CMD /Data/CLK.

(ZD6010, D6002, ZD6011) Is signal ok?

No

YesNo

Check the UCP400 (Crack etc)



8. Level 3 Repair

8-4-6. Cable Charging Part

Insert TA / USB

Yes

Yes

END

Check the CHG_IN_5P0(C6068)=5V or 9V

No

Replace U6002

Charging Sequence Start VBUS_IF_5P0(C6045) = 5V or 9V

Yes

No

Replace SUB PBA

Battery is Charging?

No

Yes

Replace U5004



8. Level 3 Repair

8-4-7. OTG

OTG does not work

Yes

Yes

END

Check the VBUS_IF_5P0(C6045) = 5V

No Check U6002

(crack, open, damaged, etc.)

Check the VBUS_IF_5P0(C9030) = 5V

Yes

No Check U5004

(crack, open, damaged, etc.)

Check OTG working ?

No

Yes

Replace SUB PBA



8. Level 3 Repair

8-4-8-1. Magnetic Sensor

Magnetic Sensor does not work

YesNo

YesNo

END

Check R4037, R4038 (I2C is OK?)

No

Replace U3009

Check the voltage C3056 =1.8V

YesNo

No

Replace U5003



8. Level 3 Repair

8-4-8-2. 6Axis Sensor

6Axis Sensor does not work

YesNo

YesNo

END

Check 6Axis TP3000~3003 (SPI is OK?)

No

Replace U3003

Check the voltage C3043 = 1.8V

YesNo

No

Replace U5003



8. Level 3 Repair

8-4-8-3. Proximity

Proximity Sensor does not work

YesNo


(Sensor’s LED voltage)

No

Replace U5003


(Sensor’s IO voltage)

YesNo

No

Replace U5003

Check SDA, SCL of U3001 (I2C is OK?)

No

YesNo

Replace U3001

YesNo

END



8. Level 3 Repair

8-4-8-4. Hall Sensor

Hall Sensor of Sub PBA does not work

YesNo

No

END

Check U3006

(crack, damaged, etc.) Replace U3006


YesNo

No

Replace U5003

YesNo



8. Level 3 Repair

8-4-8-5. Fingerprint Sensor

END

Replace the Fingerprint sensor module

YesNo

Fingerprint Sensor does not work

YesNo

YesNo

Check the voltage 6077 =3.3V

No

Replace U6001

Check the Fingerprint Sensor connector on Rear Assy

YesNo

No

Reconnect or Replace the Sensor FPCB

Check the Fingerprint Sensor MISO, MOSI, CLK, CS_N Pins

(SPI is OK?)

No

YesNo

Replace UCP400



8. Level 3 Repair

8-4-9-1. Microphone Part - Main MIC

Check main microphone function

in voice call Handset mode or voice recorder

mode

YesNo

Check the voltage of C8025 at Main PCB = 1.8V

No Replace U8001

YesNo

END

Check the MAIN_MIC_P data at L9021

YesNo

Replace MIC3001 No



8. Level 3 Repair

8-4-9-2. Microphone Part - Sub(2nd) MIC

Check Sub(2nd) microphone function

in voice call loudSPK mode

or in camcording mode

mode

YesNo

Check the voltage atC8024 = 1.8V

No Replace U8001

YesNo

END

Check theSUB_MIC_P data at

L8012

YesNo

No Replace MIC8000



8. Level 3 Repair

8-4-10. Speaker Part

Check speaker function.

Play MP3 with maximum volume level.

YesNo

Check C-clips of Sub PBAANT9005, ANT9006

No Replace C-Clip

YesNo

YesNo

END

Replace speaker module

No Replace MAIN FPCB

Check the PWM output at ANT9005,ANT9006


Replace SUB PBA


Replace U8000 on MAIN PCB

YesNo

YesNo

YesNo

No

No



8. Level 3 Repair

8-4-11. Receiver Part

Check receiver function

in voice call receiver mode

YesNo

Check RCV module where RCV's placed

for any damage

No Resolder or Replace

ANT8000, ANT8001

YesNo

Check the signals onL8001, L8005

No Resolder or replace L8001, L8005

YesNo

END

Replace RCV module

YesNo



8. Level 3 Repair

8-4-12. BT/WIFI

BT/WIFI is not working

YesNo

No Enable BT or WIFI function.

YesNo

END

YesNo

Check the status of ANT3002

No Resolder or change the

ANT3002, REAR

YesNo

Check the Status of C3005, L3014, C3006, L3003, C3010, L3001, L3000, C3009, C3008, C3001, F3001, F3000, U3002,F3009

No Replace of

U5004/U5003

Resolder or change U3004

Check BT or WIFI function ON

YesNo

YesNo

Check the voltage C3029 = 3.3v C3035 = 1.8v, C3037 = 1.8v, C3028 = 1.3v,

Resolder or Replace of C3006, L3003, C3010, L3001,

L3000, C3009, C3008, C3001, F3001, F3000, U3002,F3009

No

YesNo



8. Level 3 Repair

8-4-13. GPS

GPS is not working

YesNo

No Enable GPS Function in the setting.

YesNo

END

YesNo

Check the Antenna connect ANT3011

No 1. Resolder or Replace ANT3011 2. Replace REAR

YesNo

Check(crack,open,etc)C3045, C3046, C3047, C3048, C3050, C3051, C3052,L3015

F3002, U3005, F3003

No Resolder or change the wrong element

(open, crack, deviation, etc)

YesNo

Resolder or change U2009

Check GPS function ON



8. Level 3 Repair

8-4-14. NFC

NFC is not working

YesNo

No Enable NFC Function

YesNo

END

YesNo

Check the Antenna contact ANT3000, ANT3010

No 1. Resolder or Replace ANT3000, ANT3010 2. Replace NFC ANT

YesNo

Check the Voltage on C3070 = 1.8V

No Check U3016, (crack, open, damaged, etc.)

YesNo

Check 19.2MHz Clock at TP_NFC_CLK

No Check U5004

YesNo

Check the Status of C3087, C3086, C3082, C3089, R3016, L3017 L3018, R3021,C3083, C3085

No Resolder or Replace C3087, C3086,

C3082, C3089, R3016, L3017 L3018, R3021,C3083, C3085

YesNo

Resolder or Replace U3021

Check NFC function ON



8. Level 3 Repair

8-4-15. FM radio part

FM is not working

YesNo

No Enable FM Function.

YesNo

END

YesNo

Check the voltage C3029 = 3.3v C3035 = 1.8v, C3037 = 1.8v, C3028 = 1.3v,

No Replace of U5004/U5003

YesNo

Check the status of L3010, L3009, C3041, HDC6000, SUB PBA Is it ok?

No Resolder of Replace L3010, L3009,

C3041, HDC6000, SUB PBA


YesNo

Check the FM function



8. Level 3 Repair

8-4-16. Display

LCD is still off after PWR ON

YesNo

No Reconnect the HDC6000

END

YesNo

Check VDD_DDI_3P0 = 3.0V (C7055) VDD_LCD_1P8 = 1.8V (C7056)

No Resolder or Replace the U7009(3.0V)Resolder or Replace the U7010(1.8V)

YesNo

Check ELVDD 4P6 = 4.6V (C7071)

ELVSS_-4P4 = - 4.4 ~ - 1.4V (C7035) ELAVDD_7P3 = 7.3V (C7041)

No Resolder or Replace the U7016

YesNo

Check the connection of HDC6000

Replace the Display module

YesNo

Replace the Display con-to-con FPCB

YesNo



8. Level 3 Repair

8-4-17. Triple Camera

Yes

END

Check the voltage

C7006 : 2.8V , C7005 : 1.05V

C7007 : 1.8V , C7008 : 2.8V

C7003 : 1.2V , C7000 : 2.8V

C7012 : 1.2V , C7011 : 2.8V

No

Yes

No

Replace the PBA

“Camera” function does not work

Yes

No

Reconnect the HDC7000, HDC7001, HDC7002

Yes

Check the Camera connector on Main

PBA

Yes

Replace the camera module

Check CAM_MCLK is 24MHz

(R7000,R7001,R7002)

Resolder or Replace U7000, U7001, U7002



8. Level 3 Repair

8-4-18. VT CAMERA

“Camera” function does not work

Yes

No

Reconnect the HDC7003

Yes

END

Yes

Check the voltage

C7015 : 2.8V

C7026 : 1.05V

C7027 : 1.8V

No


Yes

No

No

Replace the PBA

Yes

Replace the Front camera module

Check the Camera connector on Main

PBA

Check the VTCAM_MCLK is

24MHz (R7005)



8. Level 3 Repair

8-4-19. TSP

Touch Screen does not work

YesNo

No Reconnect the HDC6000

YesNo

END

YesNo

Check the voltage AVDD_TSP_3P0 (C6051) = 3.0V

No Resolder or Replace U6004

YesNo

Replace the Display module

Check TSP Connector on MAIN PBA



8. Level 3 Repair

8-4-20. Motor

Motor does not work

Yes

No Resolder or Reconnect ANT8100 , ANT8101

Yes

END

Yes

Check L8017 and L8018 (crack,open,etc)

No Resolder or Replace

L8017, L8018

Yes

No Resolder or Replace C8035or

Replace : U5004

Yes

Replace Motor

Check the Clip ANT8100 and ANT8101

Check the voltage C8035 C8035 = 3.3V



8. Level 3 Repair

8-4-21. GSM 850/900, WCDMA B5/8, LTE B5/8/12/13/17/20/28 PRx

END

Check ant path any damage(ANT9001 ~ ANT9007)

Is it ok? (SUB PBA) )

Check RX path any damage(RFS1000~U1009)

Is it ok?

Check U1009, U2009 any damage

(Crack, open, etc), is it ok?

i

Change the board

Resolder or changeAntenna path components

Resolder or change RX path components

Resolder or changeU1009, U2009

NO

NO

NO

YES

YES

YES

YES

YES

It is not catching the channel In normal condition



8. Level 3 Repair

8-4-22. LTE B7/38/40/41 PRx

END

Check ant path any damage(ANT1005 ~ U1001)

Is it ok? )

Check RX path any damage(U1001~PAM2000)

Is it ok?

Check PAM2000 ~ U2009 any damage


i

Change the board




NO

NO

NO

YES

YES

YES

YES

YES




8. Level 3 Repair

8-4-23. GSM DCS/PCS, WCDMA B1/2/4, LTE B1/2/3/4/66 PRx

END



Check RX path any damage(RFS1000~U1009)

Is it ok?

Check U1009, U2009any damage


i

Change the board




NO

NO

NO

YES

YES

YES

YES

YES




8. Level 3 Repair

8-4-24. GSM 850/900, WCDMA B5/8, LTE B5/8/12/13/17/20/28 DRx

END

Check ant path any damage(ANT2000~ANT2002)

Is it ok? )

Check RX path any damage(F2000~U2002)

Is it ok?



i

Change the board




NO

NO

NO

YES

YES

YES

YES

YES




8. Level 3 Repair

8-4-25. LTE B7/38/40/41 DRx

END


Is it ok? )


Is it ok?



i

Change the board




NO

NO

NO

YES

YES

YES

YES

YES




8. Level 3 Repair

8-4-26. GSM DCS/PCS, WCDMA B1/2/4, LTE B1/2/3/4/66 DRx

END


Is it ok? )


Is it ok?



i

Change the board




NO

NO

NO

YES

YES

YES

YES

YES




8. Level 3 Repair

8-4-27. GSM 850/900, WCDMA B5/8, LTE B5/8/12/13/17/20/28 TX

END



Check TX path any damage(RFS1000~U1009)

Is it ok?

Check TX path any damage(U1009~U1004)

Is it ok? ?

i

Change the board


Resolder or change TX path components


NO

NO

NO

YES

YES

YES

YES

YES





NO



8. Level 3 Repair

8-4-28. LTE B7/38/40/41 Tx

END

Check ant path any damage(High Band SUB PBA ~ ANT1005)

Is it ok? )

Check TX path any damage(ANT1005~PAM2000)

Is it ok?

Check TX path any damage(PAM2000~U2009)

Is it ok? ?

i

Change the board




NO

NO

NO

YES

YES

YES

YES




8. Level 3 Repair

8-4-29. GSM DCS/PCS, WCDMA B1/2/4, LTE B1/2/3/4/66 Tx

END



Check TX path any damage(RFS1000~U1009)

Is it ok?

Check TX path any damage(U1009~U1004)

Is it ok? ?

i

Change the board




NO

NO

NO

YES

YES

YES

YES

YES





NO

8. level 3 repair

Documents