8. Level 3 Repair...L5006 > 0.75V, L5008 > 1.1V, L5009 > 1.3V, L5010 > 2.0V, L5011 > 0.75V and other...

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)

SIM1

SIM2

M

Type -C

POP4GB/6GB

FLASH

MAIN MIC

SUB MIC

RCV

SPK

32.768KHz

VOL /UP

CAM PMICS2MPB03X01-6030

OCTA6.38" FHD+

CODECALC5665-GRT

PMICS2MPU09X01-6030

VOL /DNPWR KEY

IF PMICSM5713

FODET713

TSPMSS-100(Melfas)

SPK AMPRT5510

SD CARD

OVPKTS1682

Battery4000mAh

NFCPN553

MSTISP7022

DMBFC8080

24Mhz

DTVFC8350W

24Mhz

my119.jeon

텍스트 상자

SM-A507FN/A5070 Common

S5M925DA02-L030

SP10T

Main FEMid

PRX_B2/G1900

PRX_B5/18/19/26 G850PRX_B8

PRX_B1

PRX_MB3

PRX_MB5

PRX_LB5

PRX_LB4

SP8T

MMMB PA

TX_MHB1

PRX_B3/G1800PRX_MB2

TX_B1/2/3/4/66

TX_DCS/PCS

TX_GSM850/900

TX_MHB6

TX_LB4

SP5T

PRX_B20 PRX_LB3

TX_LB1

TX_GSMHB

TX_GSMLB

TX_B13

B28 TRXPRX_B28

PRX_LB6

WIPS33232-1HHigh-Band PAM

TX_MHB4TX_B7/38/40/41

PRX_B7PRX_HB4

MB PA

LB PA

PRX_B40

TRX_B7

B1

B2

B3

B12/17

B20

B5/18/19/26

B8

TRX_B40

TRX_B38/41

PRX_HB2

QM8110-SYM1

LMSWKQGS-K72

B13 TRX PRX_LB2

TX_B34/39

SP5T

SP2T

TX_B5/8/12/17/18/19/20/26/28

PRX_B4/66

SP3T

SP5T

B7

B1B3

B26

B12/13

B28

HB

LB

DRX_HB2

DRX_MLB3

SFML7E0H001DRX LNA FEM

B40

B38/41

DRX_B7/38/40/41[DRX_TR_IN_HB]

DRX_MLB2

DRX_B1/4, W1/4

B8B20

DRX_B5/8/12/13/17/18/19/20/26/28, GSMLB, W5/8

[DRX_TR_IN_LB]

DRX_MLB4

MB

Bi-Directional Coupler


PRX_B13

PRX_MB1

TX_LB2

MB

LB

HB

B66B2

Sub ANTLB/MB/HB

Main1LB/MB

Main2_HB

SP4T

B66

DRX_B2/3/66, GSMHB, W2

PDET_INPDET_IN

Diplexer

DPDT1

23

4

DPDT1

23

4

BGSX22G5A10

MB-LBDiplexer

PRX_B12/17

PRX_LB1

PRX_B38/41 PRX_HB3

S5M925DA02-L030

SP10T

Main FEMid

PRX_B2/G1900

PRX_B5/18/19/26 G850PRX_B8

PRX_B1

PRX_MB3

PRX_MB5

PRX_LB5

PRX_LB4

SP8T

MMMB PA

TX_MHB1

PRX_B3/G1800PRX_MB2

TX_B1/2/3/4/66

TX_DCS/PCS

TX_GSM850/900

TX_MHB6

TX_LB4

SP5T

PRX_B20 PRX_LB3

TX_LB1

TX_GSMHB

TX_GSMLB

TX_B13

B28 TRXPRX_B28

PRX_LB6

WIPS33232-1HHigh-Band PAM

TX_MHB4TX_B7/38/40/41

PRX_B7PRX_HB4

MB PA

LB PA

PRX_B40

TRX_B7

B1

B2

B3

B12/17

B20

B5/18/19/26

B8

TRX_B40

TRX_B38/41

PRX_HB2

WIPS114640-23

LMSWKQGR-J80

B13 TRX PRX_LB2

TX_B34/39

SP5T

SP2T

TX_B5/8/12/17/18/19/20/26/28

PRX_B4/66

SP3T

SP5T

B7

B1B3

B26

B12/13

B28

HB

LB

DRX_HB2

DRX_MLB3

SFML7E0H001DRX LNA FEM

B40

B38/41

DRX_B7/38/40/41[DRX_TR_IN_HB]

DRX_MLB2

DRX_B1/4, W1/4

B8B20

DRX_B5/8/12/13/17/18/19/20/26/28, GSMLB, W5/8

[DRX_TR_IN_LB]

DRX_MLB4

MB



PRX_B13

PRX_MB1

TX_LB2

MB

LB

HB

B66B2

Sub ANTLB/MB/HB

Main1LB/MB

Main2_HB

SP4T

B66

DRX_B2/3/66, GSMHB, W2

PDET_INPDET_IN

Diplexer

DPDT1

23

4

DPDT1

23

4

BGSX22G5A10

MB-LBDiplexer

PRX_B12/17

PRX_LB1

PRX_B38/41 PRX_HB3

my119.jeon

텍스트 상자


AP/CP

EXYNOS9610

TRANCEIVER

S5M9380X01-L030

A50s Connectivity Block Diagram

FM

_SPD

Y_T

O_S620

BT/WIFI/FM

S5N5C20X00-6030

NFC

S3NRN82X

SIMSIM1_DATA

SIM1_DATA

NFC_SWP

ANT 1

ANT 2 RFIC

_C

TRL0

RFIC

_C

TRL1

RFIC

_`C

TRL2

MXD8621

Switch

FM_ANT

NFC_CLK_26M

NFC_SCL

NFC_SDA

NFC_EN / IRQ / FIRM / CLK_REQ

WL0_I/Q

WL1_I/Q

GPS_I/Q

GNSS_SPEEDY

LNA

MXDLN16USAW SAW

GPS_RF_IN

TCXO

26M

Buffer

BGS12SN6

Switch

BT_RF

2GT_WBT

2GR_WBT

5GT_WL0

5GR_WL0

FEM_CTRL2

GNSS_LNA_EN

MST

ISP7022

MST_DATA_A/B

ANT 1

ANT 2

QM48184

my119.jeon

텍스트 상자


ANT2000ANT2001

ANT2002

ANT2

003

ANT2004

ANT2

005

ANT5

003

ANT5

005

ANT6000 ANT6001

BH6000

BH6001

C306

0

C3062

C306

3

C306

4

C3065C306

6

C3067

C306

8C307

0C3

090

C400

3

C4004

C4010

C4011

C4012

C4015

C4018

C4019

C4020

C402

4C4

025

C4034

C404

6

C4047

C405

2

C4053

C4054

C4055

C4056

C4057

C4070

C4071

C4073

C407

4

C504

3

C504

4

C506

9C5

071

C5075

C507

6

C507

8

C508

0

C5094

C5095

C5098

C509

9

C510

0

C5101

C5102

C510

3

C510

5

C510

6 C510

7

C510

9

C511

0

C5111

C5112

C5113

C5114

C5115

C511

8

C5119

C5120

C5121

C512

2

C512

3

C512

4

C6002

C6003C6008

C601

3C6017

C601

8

C601

9

C6027

C602

8

C602

9

C6030

C6037

C603

8

C6040

C6041

C6044 C6052

C6053

C6054

C6055

C7000

C700

1

C7002

C7003

C7004C7005

C7006

C7007

C7008

C700

9

C7010

C7011

C7012

C7016

C701

7

C701

8 C7019

C7031

C7050

C705

4

CON6000

D50

00

HD

C400

0HDC7000

HD

C700

1H

DC7

002

JTAG4000

JTAG4001 JTAG4002

JTAG4003

L501

2

L501

3

L6001

L6002 L6003

L6006

L6007L6

010

L601

4

L700

0

L700

1

L7002

R3004

R300

5

R3006

R3007

R3008

R4000

R4001

R400

2

R400

3

R400

4

R400

5

R4006

R400

8

R400

9

R401

0

R401

1

R401

3

R401

5

R401

6

R401

7

R401

8

R402

0

R402

1

R402

4

R402

6

R403

0

R403

1

R403

2

R403

3

R4042

R4049

R405

0

R4051

R405

2

R405

3

R405

4

R406

1

R406

2

R406

3

R406

4

R500

0R5001

R500

2

R500

3

R500

5

R500

6

R500

8R5

009

R501

0

R501

1

R5012

R5013

R501

4

R5015

R501

6

R501

7

R501

8

R501

9

R502

0

R502

1

R600

2

R600

3

R600

5

R601

0

R601

1

R602

5

R7000

R7001

R7005

SC6005

SIM6001 SIM6002

SIM

6003

SIM600UP

TH4000

TH50

00

TP_CODEC_DO

TP_CODEC_IRQ_N

TP_ESE_EN

TP_FLASH_EN

TP_GNSS_SPEEDY

TP_GPS_I TP_GPS_Q

TP_NCHG_EN

TP_NFC_CLKTP_NFC_CLK_REQ

TP_NFC_CS

TP_NFC_EN

TP_NFC_FIRM

TP_NFC_IRQ

TP_NFC_MISOTP_NFC_MOSI

TP_PMIC_IRQB

TP_PMIC_ONOB

TP_PSHOLD

TP_PWR_SUB

TP_SENSOR_LDO_EN

TP_SPEEDY_PMIC

TP_SPK_BCLK

TP_SPK_DITP_SPK_DO

TP_SPK_WS

TP_TCXO_EN

TP_TORCH_EN

TP_UFS_RST_N

TP_UFS_RX_NTP_UFS_RX_P

TP_UFS_TX_N

TP_UFS_TX_P

TP_XRSTOUT_N

TP_XRTC_XTO

TP5000TP5001

U3008

U30

10

U3012

U30

13

U3014

U3015

U50

04

U5005

U60

00

U6002

U7001

U70

02

U70

07

UCP

400

UME5000

XOM0

XOM2

ZD5000

ZD50

01

ZD50

02

ZD50

03

ZD5004

ZD6002

ZD6003

ZD6004

ZD6005

ZD60

07

ZD60

08

ZD6012 ZD6014

ZD6016

ZD7000

ZD7001

VX_Setup(2017-04-03)_HHP

Model : SM-A507FNRevision : 0.1Manufacture Count : 120Charge : 김성수

Contact : 010.4542.1274Date : 07.19Routing : Resin :


my119.jeon

텍스트 상자


ANT1

000

ANT2

006

ANT2

007

ANT2008

ANT3

000

ANT3

001

ANT3

002

ANT3

003

ANT3004

ANT5

000

ANT5001

ANT5

002

ANT5004

ANT5

006

C100

0

C1001

C1002

C1003C1004

C1005

C1006

C100

7

C100

8

C1009

C1010

C101

1

C101

2

C101

3

C101

4

C101

5C1

016

C1017

C1018

C1019

C102

0

C102

1

C102

2

C1023

C102

4

C1025

C1026

C1027

C1028

C1029

C103

0

C1031

C1032

C103

3

C103

4

C103

5

C1036C1037

C1038

C1039

C104

0

C104

1

C1042

C1043

C1044

C104

5

C104

6

C1047

C1048C1049

C1050C1051

C1052

C1053

C1054

C105

5

C1056

C1057

C1058C1059

C1060

C1061

C1062

C1063

C1064

C1065

C1066

C106

7

C106

9

C107

0

C107

1

C1072

C107

3 C1076

C107

7

C107

8

C107

9

C108

0

C108

1

C108

2

C108

3

C108

4

C1085

C108

6

C108

7

C1088

C1089

C109

0

C1091

C2000

C2001

C200

2

C200

3

C200

4

C2005

C200

6C2

007

C2008

C200

9

C2010

C2011

C2012

C201

3

C201

4

C201

5

C201

6

C201

7

C201

8

C2019

C2020C2021

C2022

C2023

C2024

C2025

C202

6

C2027

C202

8

C2029

C2030C203

1

C203

2

C2033

C2034

C203

5

C203

6

C203

7

C2038

C203

9

C204

0

C2041

C2042

C204

3

C2044C2045

C204

6

C204

7

C2048

C204

9

C2050

C2051

C2052

C2053

C205

4

C2055

C2056

C300

0

C3001

C3002

C3003

C300

5

C300

6

C300

8

C300

9

C3011

C301

5

C3016

C3017

C3021

C302

2

C3023

C302

7

C3028

C302

9

C303

0

C3032

C3034

C3035

C3038

C304

1

C3043

C3044

C3045

C304

6

C3047

C304

8

C3049 C3050

C305

1

C3052

C305

3

C305

4

C305

5

C3057

C3058

C3059

C306

1

C3069

C307

1

C3072

C308

4

C3085

C3086

C3087C3088

C3091

C3092

C3093

C3094

C309

5

C309

6

C309

7

C309

8

C309

9

C3100

C3102

C310

4

C3105

C310

7

C4000

C4001

C4002

C4005

C400

6

C4007

C4008

C4009

C4013

C4014

C4016

C4017

C4021

C4022

C402

3

C4026

C402

7C4028

C402

9

C403

0

C4031

C4032

C4033

C4035

C4036

C403

7 C403

8

C403

9C4

040

C404

1

C4042

C4043

C404

4

C4045

C4048

C4049

C4050

C4051

C4058

C4059

C4060

C4061

C4062

C406

3

C4064

C4065

C4066

C406

7

C406

8

C406

9

C4072

C407

5

C407

6

C407

7

C407

8

C407

9

C4080

C4081

C408

2

C4083

C408

4

C408

5

C408

6

C408

7

C4088

C4089

C4090

C4091

C409

2

C4093

C409

4

C4095

C409

6

C409

7

C4098

C409

9

C410

0

C410

1

C4102

C500

0

C500

1

C5002

C5003

C500

4

C5005

C500

6

C5007

C5008

C5009C5

010

C5011

C501

2

C501

3 C5014

C5015

C501

6

C5017

C5018

C501

9

C502

0

C5021

C5022

C5023

C5024

C5025

C5026

C5027

C5028

C502

9

C5030

C5031

C5032 C5033

C503

4

C5035

C5036

C503

7

C5038

C503

9

C504

0

C504

1

C5042

C504

5

C504

6

C504

7

C5048

C504

9

C505

0

C505

1

C5052

C505

3

C5054C5

055

C505

6

C5057

C5058

C505

9

C506

0

C506

1

C506

2

C506

3C5064

C506

5

C506

6

C5067

C506

8

C5070

C507

2

C507

3

C507

4

C5077

C5079

C508

1

C508

2

C508

3

C508

4

C508

5

C5086

C508

7

C508

8

C5089

C509

0

C509

1

C509

2

C509

3

C5096

C5097

C510

4C5

108

C5116

C5117

C6000

C600

1

C6004

C6005

C600

6

C6007

C6009

C601

0

C6011

C6012

C601

4

C6015

C601

6

C6020

C602

1

C6022

C6023

C6024

C6025

C6026

C6031

C6032

C603

3

C603

4

C6035

C6036

C603

9

C604

2

C604

3

C604

5

C604

6

C604

7

C604

8

C6049

C605

0

C605

1

C6056

C605

7

C605

8

C605

9

C7013

C701

4

C701

5

C702

0C7

021

C7022

C702

3

C702

4

C702

5

C702

6

C703

0

C703

2

C703

3

C703

4

C703

5

C7040

C704

6

C7048C7052

C7053

C705

5

C7056

C7057

C7058

C7059

C7060

C7061C7063

C7064

C7065

C706

6

C706

7

C706

8C7

072

C707

3

C707

4

C7075

C7077

C7078

C7079

C7080

C708

1

C7082

C7286C729

4

CON6001

D50

01

F1000

F100

1

F100

3

F1005

F1007

F100

8F1

009F1010

F2000

F200

1F2002

F2003

F3000

F3001

GA7

000

HD

C500

0

HDC7003

HDC7004

L100

0

L100

1

L1002 L1003

L100

4

L100

5

L100

6

L100

7

L100

8

L100

9

L101

0

L1011L1012

L101

3

L1014

L1015

L101

6

L101

7

L1018

L101

9

L102

0L1

021

L102

2

L102

3

L102

4

L102

5

L102

6

L1027

L1028

L102

9

L103

0

L103

1

L103

2

L103

3

L103

4

L1035

L1036

L1037

L1038

L1039

L104

0

L104

1

L1042

L104

3

L104

4

L104

5

L1046

L104

7

L1048

L1049

L105

2

L1053

L105

4

L1055

L1056

L1057

L1058

L105

9

L106

0

L1061L1062

L1065

L1066

L107

2

L107

3

L1074

L1075 L1076

L107

7

L107

8

L1079

L108

1 L1082

L1083

L108

4

L108

5 L1086

L1087

L108

8

L108

9

L109

0

L109

1

L109

2

L1093

L109

4

L109

5

L109

6

L109

7

L109

8

L1099

L1100

L110

1

L200

0

L2001

L200

2

L200

3

L2004

L2005

L2006

L2007

L2008

L200

9

L201

0

L201

1

L201

2

L201

3

L201

4

L201

5

L201

6

L2017

L2018 L2019

L202

0

L202

1

L202

2

L2023

L2024

L2025

L202

6

L202

7

L2028

L2029

L203

0

L2031

L2032

L203

3

L2034

L2035L2036

L2037L2038

L2039

L2040

L2041

L300

0

L3001

L3004

L300

5L3006

L3007

L3008

L300

9

L301

0

L301

1

L301

2

L301

3

L3014

L3015

L301

6

L301

7

L302

3L3

024

L500

0

L500

1

L500

2

L500

3

L500

4

L500

5

L500

6

L500

7

L500

8

L5009

L501

0

L5011

L6000

L6004

L6005L6008

L6009

L6011

L6012

L601

3

L601

6

L7004

L700

6

L700

7

L7008

L7009

L7010

L701

1

LED

5000

MIC

6000

OSC2000

OSC

5000

PAM1000

R100

0

R1001

R100

2

R1003

R1004

R1005

R1006R1007

R1008

R1009R1010

R101

1

R101

2

R101

3 R1014

R2000

R200

1

R2002

R2003

R300

1

R3003

R3009

R301

0

R3011

R4007

R4012

R4014

R4019

R4022

R4023

R4025

R4027

R4028

R402

9

R403

4

R403

5

R4036

R4037

R403

8

R4039

R404

0

R4041

R4043

R4044

R4045

R404

6

R4047

R404

8

R4055

R4056

R4057

R5004

R500

7

R6000R6001

R6006 R600

7

R6008

R6009

R601

2

R6013

R6015 R6017

R601

8

R6020

R6021

R6022 R602

3

R6024

R602

6

R602

7

R6028

R6029

R6030

R603

1

R603

2

R603

3

R6034

R6035

R7002

R7003R7004

RFS1000

RFS1001

SC6000

SC6001

SC60

02

SC6003SC6004

SOC6000

SUS6

000

TH1000

TH4001

TP_AXIS_CS_N

TP_AXIS_INT

TP_AXIS_INT2

TP_AXIS_MISO TP_AXIS_MOSI TP_AXIS_SCLK

TP_CLK_32K

TP_CODEC_BCLK

TP_CODEC_DI

TP_CODEC_LRCK

TP_FLIPCOVER

TP_NENQ5000

TP_OCP_CPU

TP_OLED_RST

TP_PWR_G3D

TP_RFFE0_CLK

TP_RFFE0_DATA

TP_UB

TP_UFS_REFCLK

TP_XBOOT_LDO

TP3005

TP3006

TP4000

U10

00

U1001

U1002

U10

03

U10

04 U1006

U20

00

U2001

U2002

U2003

U2004

U20

05

U20

06

U3000

U3001

U3002

U3003

U30

05

U30

06

U3007

U30

09

U3011

U500

U5001

U6001

U7000

U7003

U7005

U7006

U70

09

V700

0

ZD10

00

ZD1001

ZD1002

ZD6001

ZD60

06

ZD60

09

ZD60

10

ZD60

11

ZD60

13

ZD6015

ZD6017

ZD60

18

ZD6019

ZD60

20

ZD60

21

ZD60

22

ZD6023

ZD6024

ZD70

02

ZD7004

ZD7005

ZD7006

ZD70

07

ZD7009


Model : SM-A507FNRevision : 0.1Manufacture Count : 120Charge : 김성수

Contact : 010.4542.1274Date : 07.19Routing : Resin :


my119.jeon

텍스트 상자




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

Mobile phone does not power on.

YesNo

Yes

Change the FRONT-LCD ASSY

Replace the Power key FPCB

YesNo

Check the signal of TRST_N = 1.8V

No

Check the output voltage of U5000

L5000 > 0.75V, L5001 > 0.75V, L5002

> 0.75V,

L5003 > 0.75V, L5004 > 0.75V, L5005

> 0.75V,

L5006 > 0.75V, L5008 > 1.1V, L5009

> 1.3V, L5010 > 2.0V, L5011 > 0.75V

and other LDO Voltage

If the output voltage is not normal,

Change the U5000

※ Each voltage level has ±10% margin

YesNo

Check the Clock OSC5000Is the frequency 32.768kHz?

No Replace the OSC5000

※ Test condition (Oscilloscope setting)

: 20.0us.div (time division) YesNo

Check the initial operation

YesNo

No Charging the battery by TA.

If its voltage level is extremely low

(under 3.0V),

Change the battery.

END

YesNo

Power-on the phone and check

the power-on sound

or motor Vibration. Sound or Vibration is ok?

No

Check the voltage level at R50122 while pressing power

key. Is the voltage high?

No

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



8. Level 3 Repair

8-4-2. Initial

Initial Failure

YesNo

YesNo

END

AbnormalNo

Re Check "Power on"Trouble shooting process

Abnormal Check the OSC5000 (Crack, open etc.) Check the U5000 (Crack etc)

Normal

Change U5000

Re-download latest SW on the mobile phone

Abnormal

Change PBA



8. Level 3 Repair

8-4-3. No Service

No service

YesNo

YesNo

END

Check the Voltage L5007 : 1.3V, C5084 : 1.3V

No

Replace the U5000

Home screen → Phone →

Keypad → *#1234# → Check

Phone version → CP :

N950FXXXX or unkown

YesNo

CP : A505XXXXX

Check the connection of RF coaxial cable

Check the clock OSC5000 Is the frequency 32.768KHz?

No

YesNo

Replace the OSC5000

Replace the U2004

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

(C6016,C6036)?

No

Change to the new SIM card.

If it doesn`t still work SIM card after

changing

the SIM card, Check the U5000 (Crack

etc)

Is SIM socket ok?

YesNo

No

Replace SIM socket

Check the SIM RST / IO / CLK. (SIM1 : ZD6024, ZD6025, ZD6026) (SIM2 : ZD6004, ZD6007, ZD6008)

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.(C6037) = 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 U5000

(Crack etc)

Is SIM socket ok?

YesNo

No

Replace SIM socket

Check the t-flash CMD /Data/CLK.

(ZD6002, ZD6007, ZD6008) 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 VBUS_IF_5V0(C6053)=5V or 9V

No

Replace U6002

Charging Sequence Start VBUS_IF_5P0(C9030) = 5V or 9V

Yes

No

Replace SUB PBA

Battery is Charging?

No

Yes

Replace U5005



8. Level 3 Repair

8-4-7. OTG

OTG does not work

Yes

Yes

END

Check the VBUS_IF_5P0(C6053) = 5V

No Check U6002

(crack, open, damaged, etc.)

Check the VBUS_IF_5P0(C9030) = 5V

Yes

No Check U5001

(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 R3007, R3008 (I2C is OK?)

No

Replace U3015

Check the voltage C3064 =1.8V

YesNo

No

Replace U3014



8. Level 3 Repair

8-4-8-2. 6Axis Sensor

6Axis Sensor does not work

YesNo

YesNo

END

Check 6Axis SCL, SDA pin (I2C is OK?)

No

Replace U3012

Check the voltage C3072 = 1.8V

YesNo

No

Replace U3014



8. Level 3 Repair

8-4-8-3. Proximity

Proximity Sensor does not work

YesNo

No

Replace U3012


(Sensor’s IO voltage)

YesNo

No

Replace U3014

No

YesNo

Replace U3031


(Sensor’s LED voltage)

Check SDA, SCL of U3031 (I2C is OK?)

YesNo

END



8. Level 3 Repair

8-4-8-4. Hall Sensor

Hall Sensor of Sub PBA does not work

YesNo

No

END

Check U3007

(crack, damaged, etc.) Replace U3007


YesNo

No

Replace U5000

YesNo



8. Level 3 Repair

8-4-8-5. Fingerprint Sensor

END

Replace the Fingerprint sensor module

And Calibration

YesNo

Fingerprint Sensor does not work

YesNo

YesNo

Check Finger sensor Connector. Is it broken?

YES

Replace Finger Sensor

Do you change Octa or Main PCB or Finger sensor?

No

YES

Do calibration.

Check the Fingerprint Sensor SPI Line and VCC 3.3V.

(They are OK?)

No

No

Replace Main FPCB



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 L9023 at board = 2.7V

No replace MAIN FPCB

YesNo

END

Check the MAIN_MIC_P data at L9024

YesNo

Replace MIC9000 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 atL6008 = 2.8V

No Replace U6012

YesNo

END

Check theSUB_MIC_P data at

L6002

YesNo

No Replace MIC6000



8. Level 3 Repair

8-4-10. Speaker Part

Check speaker function.

Play MP3 with maximum volume level.

YesNo

Check C-clips of Sub PBAANT9003, ANT9005

No Replace C-Clip

YesNo

YesNo

END

Replace speaker module

No Replace MAIN FPCB

Check the PWM output at ANT9003,ANT9005


Replace SUB PBA


Replace U6001 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

ANT9003, ANT9005

YesNo

Check the signals onL6000, L6003

No Resolder or replace L6010, L6014

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 U3001

No Resolder or change the

U3001, REAR

YesNo

Check the Status of L3000, C3015, C3008, C3016, C3017, C3009,

U3001

No Replace of

U5000

Resolder or change U3005

Check BT or WIFI function ON

YesNo

YesNo

Check the voltage C3005 = 1.2v C3006 = 1.8v, C3011 = 1.8v, C3023 = 1.8v, C3030 = 1.1v, C3035 = 3.3v

Resolder or Replace of L3000, C3015, C3008, C3016, C3017,

C3009, U3001

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 ANT3004

No 1. Resolder or Replace ANT3004 2. Replace REAR

YesNo

Check(crack,open,etc) L3016, C3055, C3047, L3010, L3008, C3048, F3000, C3049, C3050, C3058,

L3014, F3001, U3006, L3013

No Resolder or change the wrong element

(open, crack, deviation, etc)

YesNo

Resolder or change U3005

Check GPS function ON



8. Level 3 Repair

8-4-14. NFC

END

Check the Antenna contact ANT3000, ANT3001

NFC is not working

YesNo

No

Enable NFC Function

Check the Voltage on C3084 = 1.8V

YesNo

YesNo

No

1. Resolder or Replace ANT3000, ANT3001 2. Replace NFC ANT

Check 26MHz Clock at TP_NFC_CLK

YesNo

No

Check U5000 (crack, open, damaged, etc.)

YesNo

Check the Status of C3099, C3097, C3095, C3102, C3096, C3107,

R3010, L3023, L3001

No

No

Check UCP400

Resolder or Replace C3099, C3097, C3095, C3102, C3096, C3107, R3010,

L3023, L3001

YesNo

YesNo

Resolder or Replace U3000

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 of C3012 = 1.8V C6057 = 2.8v

No Resolder or Replace U5000

YesNo

Check the status of C3032, L3006, C6026, U6003, SUB PBA Is it ok?

No Resolder of Replace C3032, L3006,

C6026, U6003, 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 HDC7004

END

YesNo

Check VDD_LCD_3P0 = 3.0V (C7048) VDD_LCD_1P8 = 1.8V (C7049)

No Resolder or Replace the U7005(3.0V)Resolder or Replace the U7006(1.8V)

YesNo

Check ELVDD 4P6 = 4.6V (C7066)

ELVSS_-4P4 = - 4.4 ~ - 1.4V (C7074) ELAVDD_7P3 = 7.6V (C7056)

No Resolder or Replace the U7000

YesNo

Check the connection of HDC7004

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

C7026 : 2.8V , C7015 : 2.9V

C7013 : 1.2V, C7018 : 2.8V

C7022 : 1.8V, C7020 : 1.1V

C7016 : 1.8V

No

Yes

No

Replace the PBA

“Camera” function does not work

Yes

No

Reconnect the HDC7000, HDC7001, HDC7003

Yes

Check the Camera connector on Main

PBA

Yes

Replace the camera module

Check the CAM_MCLK is

26MHz (C7006,C7004)

Resolder or Replace U7003, U7002, U7001



8. Level 3 Repair

8-4-18. VT CAMERA

“Camera” function does not work

Yes

No

Reconnect the HDC7002

Yes

END

Yes

Check the voltage

C7021 : 1.05V

C7014 : 1.9V

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

26MHz (R7005)



8. Level 3 Repair

8-4-19. TSP

Touch Screen does not work

YesNo

No Reconnect the HDC7004

YesNo

END

YesNo

Check the voltage VDD_1P8_1P8 (ZD7004) = 1.8V VDD_TSP_A3P0 (C7077) = 3.0V

No Resolder or Replace U5001, U7007

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 ANT5104 , ANT5105

Yes

END

Yes

Check L5901 and L5999 (crack,open,etc)

No Resolder or Replace

L5901, L5999

Yes

No Resolder or Replace C5811or

Replace : U5810

Yes

Replace Motor

Check the Clip ANT5104 and ANT5105

Check the voltage C5811 C5811 = 3.3V



8. Level 3 Repair

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

END

Check ant path any damage(ANT9004 ~ ANT9000)

Is it ok? (SUB PBA) )

Check RX path any damage(RFS1000~U1000)

Is it ok?

Check U1000, U2004 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 changeU1000, U2004

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(ANT1000 ~ U1001)

Is it ok? )

Check RX path any damage(U1001~PAM1000)

Is it ok?

Check PAM1000 ~ U2004 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, LTE B1/3 PRx

END



Check RX path any damage(RFS1000~U1000)

Is it ok?



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 B5/8/20/28 DRx

END

Check ant path any damage(ANT2006~U2003)

Is it ok? )

Check RX path any damage(U2003~U2001)

Is it ok?

Check U2001, U2004any damage


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, LTE B1/3 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 B5/8/20/28 Tx

END



Check TX path any damage(RFS1000~U1003)

Is it ok?

Check TX path any damage(U1003~U2004)

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(ANT1000 ~ U1001)

Is it ok? )


Is it ok?

Change the board




NO

NO

NO

YES

YES

YES




8. Level 3 Repair

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

END



Check TX path any damage(RFS1000~U1003)

Is it ok?


Is it ok? ?

i

Change the board




NO

NO

NO

YES

YES

YES

YES

YES





NO

Date post:	30-Sep-2020
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