8. level 3 repair...8. level 3 repair confidential and proprietary-the contents in this service...

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. Block Diagram



8. Level 3 Repair

8-2. PCB Diagrams

8-2-1. Top

ANT2004

ANT2

005

ANT4

000

ANT4

002

ANT4004 ANT4005

ANT7

000

ANT7001

ANT7

002

ANT7003

ANT7006 ANT7007

ANT8

000

ANT8

001

BOTHHOLE7000

BOTHHOLE7001BOTHHOLE7003

BOTHHOLE9000

BOTHHOLE9001

C101

8

C101

9

C1023

C1027

C1030

C104

2

C104

8

C105

2

C1056

C1057

C105

8

C105

9

C1060

C106

1

C1062

C1063

C1066

C1067

C1068

C1070

C107

1

C1072

C1073

C1074C1075

C1076

C107

7

C107

8

C107

9

C1080

C108

1C1082

C108

3

C108

9

C1090

C109

3

C1094

C1097

C109

8 C1099

C1100

C1102

C200

0

C2001C2003 C2004C2005

C2006

C201

0

C2012

C2019

C2020

C2022

C2023

C2029

C2030

C203

2

C203

3

C2034

C2037

C2040

C3000C3001

C3002

C3005

C3006

C3007

C3008

C300

9C3

010C3

011

C301

2

C301

3

C3014

C301

5C301

6

C3017

C3018

C301

9

C302

0

C3021 C3022

C3027

C3033

C303

4

C3035

C303

6

C4001

C4002

C400

3

C4005

C401

2

C4013

C401

4C4

015

C4016

C4020

C4021

C4022

C402

3

C4024

C4025

C4026

C402

7

C4028C4029

C4030

C4031

C4032

C403

3

C4034

C4035

C4036

C4037

C403

8

C403

9

C4040

C4041

C4042

C4043

C4044

C4045

C4047

C4048

C4049

C405

0

C4051

C4052

C405

3

C4054

C405

5

C405

6 C4057

C4058

C4059

C406

0

C406

1

C4063

C406

4

C4065C4066

C4067

C4068

C4070

C500

0C5

001

C500

2

C5003

C500

4

C500

5

C5006

C500

7

C500

8

C5009

C5010

C5011

C501

2

C5013

C5014

C501

5

C501

6

C5017

C5018

C5019

C502

0

C502

1

C5022

C5023

C5030

C5037

C5038

C5039

C5040

C600

0

C600

1

C600

2

C600

3

C600

4

C6005

C6008

C600

9

C601

0

C6019

C6020

C6022

C602

3C6024

C602

5

C6026

C602

7

C6028

C602

9

C603

0

C603

1 C6032

C603

3

C6034

C603

5

C603

6

C6037

C6038

C6039

C604

4

C604

5 C604

6

C604

7

C604

9 C6054

C6055

C6056

C6057

C6058

C6059

C7000

C700

1

C700

2

C7003

C700

4

C7005

C700

6

C7007

C7008

C7009

C7010

C7011

C7012

C7013

C701

4

C7015

C701

6

C7017

C7018

C701

9

C7020

C7021

C702

2

C7023

C7024C702

5

C7026

C7027

C702

9

C7030C7031

C703

2

C7033

C7034

C703

5

C703

6

C7037

C7038

C7039

C704

0

C7041

C704

2

C7043

C7044

C7045

C7046

C7047

C704

9

C7050

C705

2

C705

3

C705

4

C7055

C7056

C7057

C705

8

C705

9

C706

0C7

061

C706

2

C706

3

C706

4

C7066

C7067

C7070

C7071

C7072

C707

7C7

078

C7081

C7082

C7083

C7084

C7085

C7086

C7087

C7089

C7090

C709

1

C7093

C709

4

C7095

C7096

C7097

C7098

C709

9

C710

0C7

102

C7103

C710

4

C710

5

C710

6

C7107

C7108

C710

9

C7110

C711

2

C711

4

C711

5 C711

6

C711

7

C7120

C712

1

C712

2

C712

3

C7125

C7128

C7132

C7134C7137

C7138

C713

9

C714

6

C7155

C7156

C7158

C7159

C716

1

C7162

C716

3

C716

4

C7165

C7166

C7168

C717

0

C7171

C8037

C8038

C9000

C900

1

C9002

C900

3C9

004

C900

5

C9006

C9010

C9011

C9012C9013 C9014

C9016

C901

7

C9018

C9019

C902

0

C902

1

C902

2

C9023

C902

4

C902

5

C9026

C9027

C9028

C9029

C903

0C9

031C9

032

C9033

C9034

C9035

C9036

C9037

C9038

C9039

C9040

C9041

C9042

C9043

CN1000

CN1001

CN30

00

D7004

D7005

F100

3

F1009

F101

0

F2000 F2001

F2004

F4001

F400

2

GA9

005

HDC4000

HDC4001

HD

C500

0

HD

C700

0

HD

C700

1

HD

C700

2

HDC8001HDC9000

HD

C900

1

L100

6

L101

4

L1016

L1017

L1022L1023

L1026

L102

8

L102

9

L103

0

L103

1

L1032

L104

2

L104

3

L104

4

L1045

L1046

L104

7

L104

8

L1049

L1050

L105

1

L105

2

L1053

L105

4

L1056

L105

7

L106

1

L1065

L106

8

L106

9

L107

1

L1072

L107

3

L107

4

L1075

L107

6

L1077

L107

8

L108

0

L1081

L1082L1083

L108

5

L1087

L200

0L2

001

L2002

L2003

L200

4L2

005

L2013

L2019

L202

0

L2025

L2026

L2027

L203

3

L2035

L2036

L2037

L3000L3001

L300

2

L3003

L3004

L3005

L4000

L4001

L4002

L4004

L4005

L4007

L400

8

L4009

L4010

L401

2

L4013

L401

4L4

015

L401

6

L4017

L4018

L4019

L4020

L4021 L4022L4023

L402

4

L402

5

L600

0

L700

0

L700

1

L700

2

L700

3

L7004

L700

5

L7006

L7007

L700

8

L700

9

L701

0

L701

1L7

012

L7013

L7014

L701

5 L7016

L7017

L7018

L702

3

L702

4

L702

5

L8001

L8002

L8007 L8008L8009

L8010

L9001 L9005

L900

6

L900

7

L9008L9009

L901

0

L901

1L9

012

LED

7000

MIC8009

OSC4000

OSC7000

PAM1002

R100

0

R100

1R1

002

R100

3

R100

5

R100

6

R100

7

R100

8

R100

9

R300

1R3

002

R300

3

R3005

R4000

R4001

R4004

R4005

R4006

R4007

R4008

R400

9

R401

0

R401

1

R4012

R401

3

R4014

R4015

R4016

R401

7

R401

8

R4024 R4025

R4026

R501

0

R501

1

R5012

R501

3

R5014

R501

5

R501

6

R5017

R501

8

R501

9

R502

0

R502

1

R502

2

R502

3

R502

4

R502

5

R502

6

R5027

R502

8

R502

9

R5031

R5034

R5035

R5041

R5049

R5050

R5058

R505

9

R506

4

R506

5

R506

6

R506

7

R5068

R5069

R507

0

R507

1

R507

2R5

073

R508

4

R508

5

R5086R5087

R6000

R6001

R6002

R6003

R600

4

R7000

R700

1

R700

2

R7003

R7004

R7005

R7009

R7010

R7011

R7012

R701

3

R7015

R7017

R7019

R702

0

R7022

R702

3

R702

4

R7026

R7027

R7028

R702

9

R7031

R7035

R7040

R7042

R704

5

R704

6

R7047

R705

2

R705

3

R8003

R801

1

R8013

R9000

R9001

R9002

R900

3

R9004

R9005

R9006

R9007

RFS1000

RFS1001

SC6000

SC6004

SC6005

SC6006

SUS9000

SUS9001

SUS9002

TA70

00

TA70

01

TA7002

TA7003

TA7005

TCX3000

TP_COMP_MCLK

TP_TCXO_26M

TP_TCXO_EN

TP_U

B0

TP_U

B1

TP4009

TP4010

TP4011

TP4012

TP4013

TP4014TP4015

TP4016

TP40

17

TP40

18

TP4019

TP40

20

TP40

22

TP40

23

TP4024

TP4025

TP4026

TP4028TP4029

TP4030

TP4031 TP4032

TP4033

TP4034

TP4035

TP4036

TP4037

TP4038

TP4039

TP4040

TP40

41

TP5003

TP70

02TP

7003

TP70

04TP

7005

TP70

11

TP7012

TP7014

TP9000

TP9001

TP9002

TP9004

TP9005

TP9006

TR7001

TR90

00

U1006

U1007

U10

13

U10

14U2003

U3002

U3003

U4000 U4005

U40

06

U40

07

U40

10

U4011

U40

12

U4013

U60

00

U7000

U70

01

U7008

U7012 U7014

U90

05

U9008

U90

10

V200

0

V2001

V2002

V2003

V400

1

V400

3

V7000

V700

1

V7003

V700

4

V800

0V8

001

V900

6

ZD10

00

ZD10

01

ZD2000

ZD2001 ZD2002

ZD4000

ZD4001

ZD4002

ZD40

03

ZD4004

ZD4005

ZD4006

ZD4007ZD4008

ZD4009

ZD4010

ZD4011

ZD4012

ZD5016

ZD7001

ZD7002

ZD7004

ZD70

06

ZD70

07

ZD80

00ZD

8001

ZD8002 ZD8003

ZD8007

ZD9006 ZD9007

ZD90

08

ZD90

09



8. Level 3 Repair

8-2-2. Bottom

ANT2

000

ANT2001

ANT2002ANT2

003

ANT4

001

ANT4

003

ANT7004

ANT7005

C1000

C1001

C100

2

C100

3

C1004 C1005

C1006C100

7

C100

8

C100

9

C101

0C1

011

C101

2

C1013

C1015

C1016

C101

7

C1020

C1021 C1022

C1024

C102

5C1

026

C1029

C1031

C103

2

C103

3

C103

4 C1035

C1036

C1037

C1039

C1040

C1041

C1043

C1044

C1045

C1046

C104

7

C1049

C1050

C105

1

C1053

C105

4

C105

5

C1084

C108

5

C1086

C1087

C1095 C1096

C2002

C2008

C200

9

C201

1

C2017

C2018

C2021

C202

4

C202

5

C2026

C2027

C2028

C2036

C2039

C300

3

C3004

C3023

C3024

C3025

C3026

C302

8C3

029

C303

0

C3031

C303

2

C4000

C400

4

C400

6

C400

7

C4008

C4009

C401

0

C4011

C4017

C4018

C4019

C4046

C4069

C502

4

C502

5

C5026

C502

7

C502

8

C502

9

C5031

C5032

C5033

C503

4

C600

6

C600

7

C601

1

C6012

C601

3

C601

4

C601

5

C6016

C601

7

C6018

C602

1C6

040

C604

1

C604

2

C604

3

C6048

C6050

C605

1

C605

2

C605

3

C6060

C606

1

C702

8

C706

5

C706

8

C706

9

C7074

C7075

C707

6 C707

9C7

080

C708

8

C709

2

C710

1

C711

1C7

113

C711

8

C711

9

C7124C712

9

C713

0

C713

1

C713

3

C713

5

C7136

C714

0

C7141

C714

2

C714

3

C714

4

C7145

C714

7

C714

8C7

149

C7150

C7151

C7152

C715

4

C7157

C7160

C8000

C8001

C800

2

C8003

C8004 C8005

C8006

C8007

C8008

C8009

C8010

C801

1

C801

2

C8013

C8014

C8015

C801

6

C801

7

C801

8

C8019 C802

0C8021

C802

2

C8023

C8024

C802

5

C8026

C802

7

C802

8

C802

9

C8030

C8032

C8034

C8035C8036

C8039

C804

0

C8041

C8042

C804

3

C8044

C8045

C8046

C8047

C804

8

C8049

C8050

C900

7

C900

8

C900

9C9

015

CN3001

CN40

00

CN9000

CN9001

CN90

03

CPL2000

D7001

D7002

D7003

F1000

F1001

F1002

F1004

F1006

F100

7

F100

8

F200

2

F2003

F2005

F400

0

GA9

004

HD

C500

1

HDC8000

HD

C900

2

L1000

L1001L1002

L100

3

L100

4 L1005

L100

7 L1008

L100

9L1010

L1012

L1015

L1018

L1019

L102

0

L1021

L1024

L1025

L102

7

L103

4

L1035

L1036

L103

7

L1038

L1039

L1040L1041

L1055L1059

L106

0

L106

3

L107

9

L1084

L108

6

L200

6

L200

7

L2008

L200

9

L2010

L201

1

L201

2

L2014

L201

5

L201

6

L2017

L201

8

L2021

L202

2

L2023

L2024

L202

8

L202

9

L203

0

L203

1

L2032

L2034

L2038

L203

9

L400

3

L4006

L4011

L7019

L7020

L702

1

L702

2

L702

6

L800

0

L800

3

L8004

L800

5

L800

6

L900

0

L900

2

L9003

L9004

PAM1000PAM1001

R100

4

R3004

R400

2

R400

3

R4027

R5000 R5001R5002 R5003 R5004R5005R5006 R5007 R5008R5009

R503

0

R503

2

R503

3

R503

6

R503

7

R503

8

R503

9

R504

0

R504

2

R504

3

R504

4

R504

5

R5046

R504

7

R504

8

R5051

R505

2

R5053R5054

R5055

R5056

R505

7

R506

0

R506

1

R5062

R5063

R5074

R5075

R5076

R5077

R507

8

R5079

R5080

R5081

R5082

R508

8

R508

9

R7006

R700

7

R700

8

R701

6

R702

1

R702

5

R703

0

R703

2

R7033

R7038

R7039

R7050

R800

0

R800

1

R8002

R800

4

R800

6

R800

7

R801

2

R801

4

R801

5

R801

6

R801

7

R801

8

R8019R8020

R8021

R802

2

R8023

R802

4 R802

5

R802

6

SC6001

SC6002

SC6003

SIM5000

TH3000

TH50

00

TH50

01

TH7000

TP_5005

TP_5

006

TP3000

TP3001

TP3002

TP30

03TP

3004

TP30

05TP

3006

TP3007

TP3008

TP3009

TP3010

TP3011

TP30

12

TP4000

TP4001

TP4002

TP4003

TP40

04TP

4005

TP4006

TP4007

TP4008

TP4021TP4027

TP40

42

TP4043

TP50

00

TP5001

TP50

02

TP50

04

TP70

00

TP70

01

TP70

06

TP70

07

TP70

08

TP70

09

TP70

10

TP7013

TP7015

TP8000

TP80

01

TP80

02

TP80

03

TP80

04

TP80

05

TP8006

TP8007 TP8008 TP8009 TP8010 TP8011

TP90

03

TP90

07TP

9008

TR7000

U1009

U10

10

U1015

U2001U20

02

U2006

U2007

U20

08

U20

12

U4004

U70

04

U7009

U70

11

U7016

U8008U8010

UCP601

UM

E300

0

V2004

V500

0

V900

0

V9001

V900

4

ZD50

00

ZD50

01

ZD5002

ZD50

03

ZD5004

ZD5005

ZD5006

ZD5007

ZD5008

ZD50

09

ZD5010

ZD5011

ZD5012

ZD5013

ZD5014

ZD5015

ZD7000

ZD80

04

ZD80

05

ZD8006

ZD80

08

ZD80

09

ZD80

10

ZD8011

ZD80

12ZD

8013

ZD80

14

ZD80

15

ZD9000

ZD90

01

ZD9002

ZD9003

ZD90

04

ZD9005



8. Level 3 Repair

8-2-3. Sub_TOP

ANT103

ANT104ANT110

AU100

BACK

C109

C110

C116

C122

C131

C134

C138

C141

C143

C148 C149

C153

C158

C163

C165

C166

C167

C169

C170

CN1

CN3

CON104

INSIK

INSIK1

INSIK2

INSIK3

INSIK6

L100

L105

L106

L107

L112

L114 L116

L117

L118

L126

L127

L129

L130

L133

L134

L136L

137

L138 L139

L140

L141

L142

MENU

R102

R103

R104

R105

R107

R108

R109

RFS1005

SUS100

TP1000

TP1001

TP_1

TP_DSDA

TP_SW_4

TP_SW_5

TP_SW_6

TP_TDMA

U100

U101

U105

U106

U107

U114

U115

U119

U120

U121

U123

U124

U128

U129

V100

V102

V103

V108

V112

V113

V114

ZD100

ZD101

ZD102

ZD103



8. Level 3 Repair

8-2-4. Sub_Bottom

ANT106

ANT107

ANT111

ANT113

INSIK4

INSIK5

L115L119

L120

LED100

LED101

TP2

V104

V106



8. Level 3 Repair

8-3. Flow Chart of Troubleshooting Equipments

↑ Oscilloscope ↑ Digital Multimeter

↑ Power Supply ↑ + driver, ESD Safe Tweezer

↑ 8960 & Spectrum Analyzer ↑ Soldering iron



8. Level 3 Repair

8-3-1. Power On

Mobile phone does not power on.

Check the voltage level atR7027 while pressing power

key. Is the voltage high?Replace the Power key FPCB

END

No

Yes

Check the signal ofAP_PS_HOLD = 1.8V

Yes

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

Charging the battery by TA.

If its voltage level is extremely low(under 3.0V),

Change the battery.

check the initial operation

Abnormal

Check the Clock OSC7000Is the frequency 32.768khz?

Replace the OSC7000.

※ Test condition (Oscilloscope setting)

: 20.0us.div (time division)

No

Yes

Yes

Change the FRONT-LCD ASSY

Power-on the phone and

check the power-on sound

or motor Vibration.

Sound or Vibration is ok?

Yes

No

Check the output voltage of U7000

(C7014 > 0.8V, L7002 > 0.8V, L7008 > 0.8V,

L7010 > 0.8V, L7011 > 0.8V, L7012 > 0.8V,

C7054 > 1.1V, C7055 > 1.3V, C7058 > 1.9V,

C7062 > 0.8V, C7064 > 1.1V)

If the output voltage is not normal, Change the

U7000.

No

Yes



8. Level 3 Repair

8-3-2. Initial

Initial Failure

END

Yes

Re Check "8-3-1 Power on"Trouble shooting process

Check the OSC7000 (Crack, open etc.)Check the U7000 (Crack etc)

Abnormal

Normal

Re-download latest SW on themobile phone.

Change UCP601

Abnormal

Abnormal

Change PBA



8. Level 3 Repair

8-3-3. No Service

No service

END

Check the voltage levelC3001 = 0.8VC3002 = 1.8VC3003 = 1.2VC3000 = 0.8V

Yes

Replace the U7000

Yes

Check TCX3000Frequency = 26MHz Replace the TCX3000

Yes

No

No

Check the connection of RF coaxial cable

Replace UCP601

CP : G930FXXXX

CP : unknown

Home screen → Phone → Keypad

→ *#1234# → check Phone version

→ CP : G930FXXXX or unknown

Yes



8. Level 3 Repair

8-3-4. SIM & T-Flash Part

Insert SIM card

Is SIM socket ok?

Yes

Yes

No

END

Check the SIM Voltage.(C5032, C5031) >= 1.8 or

2.8?

Replace SIM socket.

Change to the new SIM card.

If it doesn`t still work SIM card after changing

the SIM card, Check the U7000,U4012 (Crack

etc)

Yes

No

Check the SIM DET.(C5033) < 1.8V

Check the UCP601 (Crack etc)No

Yes

Insert T-Flash card

Is T-Flash socket ok?

Yes

Yes

No

END

Check the T-Flash Voltage.(C5030) >= 2.8?

Replace T-Flash socket.

Change to the new T-Flash card.

If it doesn`t still work T-Flash card after

changing the T-Flash card, Check the U7001

(Crack etc)

Yes

No

Check the T-Flash DET.(C5033) < 1.8V

Check the UCP601 (Crack etc)No

Yes



8. Level 3 Repair

8-3-5. Charging Part

TA / USB Insert

Yes

END

Charging Sequence StartVBUS_IF_5P0(L7022) = 5V or 9V

NoReplace SUB PBA

Yes

Check theCHG_IN_5P0(C7149)=5V or 9V

NoReplace U7009

Yes

Battery is Charging?No

Replace U7011

Yes



8. Level 3 Repair

8-3-6. OTG

Yes

NoReplace U7011

CheckCHG_IN_5P0(C7149)=5V

Yes

END

Yes

NoReplace U7009Check VBUS_5P0(L7022) =5V

OTG is working?

Yes

NoReplace SUB PBA

OTG does not work



8. Level 3 Repair

8-3-7-1. Sensor Hub

Yes

Yes

END

Yes

Replace U4004(Sensor Hub)

No Replace U7000Check the voltage

C4004,C4017,C4019 = 1.8V

Sensor Hub does not work



8. Level 3 Repair

8-3-7-2. Magnetic Sensor

Yes

Yes

END

Yes

No Replace U4004Check R4002, R4003

(I2C is OK?)

Replace U4011(Magnetic Sensor)


C4039=2.8V & C4047=1.8V

Magnetic Sensor does not work



8. Level 3 Repair

8-3-7-3. 6Axis Sensor

Yes

Yes

END

Yes

No Replace U4004

Check 6AXIS_MOSI,6AXIS_CLK, 6AXIS_NSS,

6AXIS_MISO Pin(SPI is OK?)

Replace U4006(6Axis Sensor)


C4036 = 1.8V

6Axis Sensor does not work



8. Level 3 Repair

8-3-7-4. Barometer sensor

Yes

NoReplace U7000Check C4045 = 1.8V?

(SENSOR's Voltage)

Yes

END

Yes

No Replace U4004Check R4002,R4003

(I2C is OK?)

Yes

Replace Sensor IC U4007

Sensor does not work



8. Level 3 Repair

8-3-7-5. Proximity+RGB sensor

Yes

NoReplace HDC4000

Check C4038 = 3.3V?(SENSOR's LED Voltage)

Yes

END

Yes

No

Replace U4004Check R4002, R4003

(I2C is OK?)

Yes

Check HDC4000(Connector is OK?)

No

Check C4027 = 1.8V ?(SENSOR's IO Voltage)

Yes

No

Replace U7000

Yes

Replace Sensor FPCB




8. Level 3 Repair

8-3-7-6. HRM Sensor

Yes

NoReplace U9010

Check C4049, C4050(LED's Voltage)C4041, C4042

(SENSOR's Voltage)

Yes

END

Yes

No Replace U4012Check R5049,R5050

(I2C is OK?)

Yes





8. Level 3 Repair

8-3-7-7. Hall Sensor

Yes

NoReplace U7000Check C6058 = 1.8V?

(SENSOR's Voltage)

Yes

END

Yes


PBA Hall Sensor(Upper) does not work

No

END

Yes

Replace SUB PBA

Replace U7000Check C6058 = 1.8V?(SENSOR's Voltage)

Yes

SUB PBA Hall Sensor does not work



8. Level 3 Repair

8-3-8-1. Microphone Part - Main MIC

Check sub boardconnection(HEA8000) Set the HEA8000 connection

END

No

Yes

Yes

Check main microphone function

in voice call Handset mode or voice recorder mode

Check the voltage at39 PIN of HDC8000 = 1.8V ?

replace U8010No

Yes



8. Level 3 Repair

8-3-8-2. Microphone Part - Sub(2nd) MIC

Check the voltage atC8038 = 1.8V

replace U8010

END

No

Yes

Yes

Check Sub(2nd) microphone function

in voice call loudSPK mode

or in camcording mode



8. Level 3 Repair

8-3-9. Speaker Part

Check speaker function.

Play MP3 with maximum volume level.

END

Yes

Replace rear ass'y with

speaker module

Yes

Check C-clipsANT8000, ANT8001

Yes

NoResolder or Replace ANT8000, ANT8001



8. Level 3 Repair

8-3-10. Receiver Part

Check receiver function

in voice call receiver mode.

Yes

Check RCV module whereRCV's placed

for any damage

Yes

No

Replace the RCV module

Check the signals on

V8000, V8001

NoReplace U8010

END

Yes



8. Level 3 Repair

8-3-11. BT/WIFI

BT/WiFi is not working

Check BT or WiFi functionON

NoEnable BT or WiFi Function

Yes

END

Check the Voltage on C4020= 1.8V

No Check the U7000(crack, open, damaged, etc.)

Yes

Check the Voltage on C4022= 1.3V

NoResolder or change the C4022

Yes

Check the Status ofC4070, C4023, V4001, C4025,C4024, V2004, C2017, C2018,

CPL2000, L2028, F2002, L2030,C4016, C4012, F4002 L4023

No Resolder or Replace C4070, C4023, V4001,C4025, C4024, V2004, C2017, C2018,

CPL2000, L2028, L2030, C4016, C4012,F4002, L4023

Yes

Resolder or Replace U4005

Yes

Yes

No

Resolder or change the ANT4000, ANT4001,ANT4002, ANT2003

Yes

Check the Status ofANT4000, ANT4001, ANT4002,

ANT2003



8. Level 3 Repair

8-3-12. GPS

Yes

Enable GPS Function in the setting.No

Check GPS function ON

Yes

GPS is not working

Check the Antenna connectANT2002, ANT2004

No1. Resolder or Replace ANT2002, ANT2004

2. Replace REAR

Yes

Resolder or change the wrong element(open, crack, deviation, etc)

NoCheck(crack,open,etc)L2038,L2008,C4001,C4002,C4005,L4002,

L4005

Yes

Check OSC4000(short, open, crack, etc.)

NoCheck 19.2MHz Clock atoutput of OSC4000

Yes

Yes

END

Check the voltage onL4000=2.8V

Check AP PMIC(U7000)(short, open, crack, etc.)

No

Yes

Check if GPS_EN at L4001 is1.8V

Check U4000(short, open, crack, etc.)

No

Check F4000(short, open, crack, etc.)

Resolder or change F4000(short, open, crack, etc.)

No

Change U4004

Yes

Yes



8. Level 3 Repair

8-3-13. NFC

NFC is not working

Check NFC function ONNo

Enable NFC Function

Yes

END

Check the Voltage onC4044 = 1.8V

No Check U7000(crack, open, damaged, etc.)

Yes

Check the Status of L4021,C4056, C4055, L4022, C4061,

C4060, C4058, C4059, C4054,R4013, C4058, C4064

No Resolder or Replace L4021, C4056, C4055,L4022, C4061, C4060, C4058, C4059, C4054,

R4013, C4058, C4064

Yes

Resolder or Replace U4012

Yes

Yes

NoCheck UCP601

Yes

Check 26MHz Clock atTP4040

Check the antenna contactANT4004, ANT4005

(crack,open,etc)

No 1. Resolder or Replace ANT4004, ANT40052. Replace REAR

Yes



8. Level 3 Repair

8-3-14. Display

LCD is still off after PWR ON

Yes

NoReconnect the HDC9001Check the connection of

HDC9001

END

No

Resolder or Replace the PMIC(U9010)

Yes

CheckVDD_DDI_3P0=3.0V(C9036),VDD_DDR_1P6=1.6V(C9042)

Yes

Yes

Yes

CheckELVDD_4.6V=4.6V(C9037)

ELVSS_-4P4=-1.4~-5.4V(C9035)ELAVDD_7P0=5.8~7.9V(C9040)

Resolder or Replace the DCDC(U9005)

No

CheckDISP_TE(HDC9002 No.40pin)

NoResolder or Replace the AP(UCP601)

Replace the LCD module



8. Level 3 Repair

8-3-15. 12M CAM

"Camera" function does not work

Yes

Check the Cameraconnector on Main PBA Reconnect the HDC9002

Abnormal

Check the voltageC9007 = 2.8V,C7023 = 1.05VC7027 = 1.8VC7029 = 2.8VC7030 = 2.8VC7031 = 2.8VC7033 = 1.8V

Resolder or Replace U7001No

Yes

Replace the PBA.Check MAIN_CAM_MCLK

is 26MHz(C9010)

END

Replace the camera module

No

Yes

Normal

Yes



8. Level 3 Repair

8-3-16. 5M CAM

"Camera" function does not work

Yes

Check the Cameraconnector on Main PBA Reconnect the HDC9000

No

Check the voltageC9013 = 1.2V,C9012 = 1.8VC9014 = 2.9V

Resolder or Replace U7001No

Yes

Replace the PBACheck VTCAM_MCLK

is 24MHz(L9002)

END

Replace the camera module

No

Yes

Yes

Yes



8. Level 3 Repair

8-3-17. TSP

Yes

NoReconnect the HDC9001Check TSP Connector on

Main PBA

Yes

END

Yes

Replace LCD Module

Yes

NoCheck the C9038 = 1.85V,C9039 = 3.3V

Resolder or Replace1.85V / 3.3V => U7000

Touch Screen does not work



8. Level 3 Repair

8-3-18. Motor

Yes

NoResolder: ANT7004, ANT7005Check the Clip on Main PBA.

ANT7004 and ANT7005

Yes

END

Replace Motor or PBA

Yes

Check L7024, L7025 is OK.

Yes

Resolder L7024, L7025Resolder : U7011

No

Motor does not work



8. Level 3 Repair

8-3-19. GSM900 / WCDMA B8 / LTE B8 Rx

Check RFS1000 ≤ -65dBm

?

NORMAL CONDITIONcatch the channel?

Check the voltage atC3005 = 1.2VC3007 = 1.8VC3013 = 1.2V

Check componentsoldering status OK at

F1003

CHECK solderedRFS1000

Resolder or changeF1003

Resolder or changeU3003

Check C1019

≥ -65dBm ?Resolder or change

C1019

Receiver is O.K?Resolder or change

UCP601

END

NO

YES

NO

NO

YES

NO

YES

NO

YES

NO

Check L1019

≥ -65dBmResolder or change

L1019

NO

YES


PAM1000

Resolder or changePAM1000

NO

YES

Check L1020


L1020NO

YES


U2002Resolder or change

U2002

NO

YES


F2001


NO

YES



8. Level 3 Repair

8-3-20. LTE B12 / 17 Rx





F1003




Check C1019


C1019


UCP601

END

NO

YES

NO

NO

YES

NO

YES

NO

YES

NO

Check L1019


L1019

NO

YES


PAM1000


NO

YES

Check L1022


L1022NO

YES



8. Level 3 Repair

8-3-21. LTE B28 Rx





F1003




Check C1019


C1019


UCP601

END

NO

YES

NO

NO

YES

NO

YES

NO

YES

NO

Check L1019


L1019

NO

YES


PAM1000


NO

YES

Check L1026


L1026NO

YES



8. Level 3 Repair

8-3-22. GSM850 / WCDMA B5 / LTE B5 / B18 / B19 / B26 Rx





F1003




Check C1019


C1019


UCP601

END

NO

YES

NO

NO

YES

NO

YES

NO

YES

NO

Check L1019


L1019

NO

YES


PAM1000


NO

YES

Check L1027


L1027NO

YES



U2001

NO

YES


F2000


NO

YES



8. Level 3 Repair

8-3-23. LTE B13 Rx





F1003




Check C1019

≥ -65dBm ?

Resolder or changeC1019


UCP601

END

NO

YES

NO

NO

YES

NO

YES

NO

YES

NO

Check L1019


L1019

NO

YES


PAM1000


NO

YES

Check L1001


L1001NO

YES


F1001Resolder or change

F1001

NO

YES

Resolder or changeL1006

NO

YES

Check L1006

≥ -65dBm



8. Level 3 Repair

8-3-24. LTE B20 Rx





F1003




Check C1019


C1019


UCP601

END

NO

YES

NO

NO

YES

NO

YES

NO

YES

NO

Check L1019


L1019

NO

YES


PAM1000


NO

YES

Check L1012


L1012NO

YES



F1004

NO

YES


NO

YES

Check L1082

≥ -65dBm



8. Level 3 Repair

8-3-25. WCDMA B1 / B4 / LTE B1 / B4 Rx





F1003




Check C1019

≥ -65dBm ?

Resolder or changeC1019


UCP601

END

NO

YES

NO

NO

YES

NO

YES

NO

YES

NO

Check L1063


L1063

NO

YES


PAM1001


NO

YES

Check C1043


C1043NO

YES



U1009

NO

YES


NO

YES

Check L1071

≥ -65dBm



8. Level 3 Repair

8-3-26. DCS1800 / LTE B3 Rx





F1003




Check C1019


C1019


UCP601

END

NO

YES

NO

NO

YES

NO

YES

NO

YES

NO

Check L1063


L1063

NO

YES


PAM1001


NO

YES

Check C1044


C1044NO

YES



U1015

NO

YES


NO

YES

Check L1073

≥ -65dBm



8. Level 3 Repair

8-3-27. PCS1900 / WCDMA B2 / LTE B2 / B25 Rx





F1003




Check C1019


C1019


UCP601

END

NO

YES

NO

NO

YES

NO

YES

NO

YES

NO

Check L1063


L1063

NO

YES


PAM1001


NO

YES

Check L1079


L1079NO

YES



U1010

NO

YES


NO

YES

Check L1075

≥ -65dBm



8. Level 3 Repair

8-3-28. TDS CDMA B34 / B39 Rx





F1003




Check C1019


C1019


UCP601

END

NO

YES

NO

NO

YES

NO

YES

NO

YES

NO

Check L1063


L1063

NO

YES


PAM1001


NO

YES

Check L1065

≥ -65dBm


NO

YES


F1006


NO

YES


NO

YES


U1013



8. Level 3 Repair

8-3-29. LTE B7 Rx






Check L1069


L1069

Receiver is O.K? Resolder or changeUCP601

END

NO

YES

NO

NO

YES

NO

YES

NO

Check C1018


C1018

NO

YES


PAM1002


NO

YES

Check C1083


C1083

NO

YES


F1010


NO

YES


NO

YES


U1014



8. Level 3 Repair

8-3-30. LTE B38 / B41 Rx






Check L1069


L1069


END

NO

YES

NO

NO

YES

NO

YES

NO

Check C1018


C1018

NO

YES


PAM1002


NO

YES

Check L1054


L1054

NO

YES

Check L1065

≥ -65dBm


NO

YES


NO

YES


U1013



8. Level 3 Repair

8-3-31. LTE B40 Rx






Check L1069


L1069


END

NO

YES

NO

NO

YES

NO

YES

NO

Check C1018


C1018

NO

YES


PAM1002


NO

YES

Check L1057


L1057

NO

YES

Check L1065

≥ -65dBm


NO

YES


NO

YES


U1013



8. Level 3 Repair

8-3-32. WCDMA B1 / B4 / LTE B1 / B4 4RxD






Check L1069

≥ -65dBm ?



END

NO

YES

NO

NO

YES

NO

YES

NO

Check C1018


C1018

NO

YES


PAM1002


NO

YES

Check L1057

≥ -65dBm


NO

YES


F1009


NO

YES


NO

YES


U1013

Check L1046

≥ -65dBm

YES




8. Level 3 Repair

8-3-33. LTE B3 4RxD






Check L1069

≥ -65dBm ?



END

NO

YES

NO

NO

YES

NO

YES

NO

Check C1018


C1018

NO

YES


PAM1002


NO

YES

Check L1057

≥ -65dBm


NO

YES


F1009


NO

YES


NO

YES


U1013

Check L1051

≥ -65dBm

YES




8. Level 3 Repair

8-3-34. GSM850 / 900 Tx

Check RFS1000

: About 23dBm?

Check C1019 at

: About 23dBm ?

Check L1019

: About 23dBm ?

Resolder or change RFS1000

Resolder or change C1019

Resolder or change L1019

Check F1003Solder State

About 30dBm ?

Resolder or change F1003

NO

YES

NO

YES

NO

YES

NO

YES



Resolder or changeUCP601

END

NO

YES


PAM1000Resolder or change

PAM1000

NO

YES

Check C1054

: About 0dBmResolder or change

C1054

NO

YES



8. Level 3 Repair

8-3-35. LTE B12 / B17 Tx

Check RFS1000

: About 23dBm?

Check C1019 at

: About 23dBm ?

Check L1019

: About 23dBm ?





About 30dBm ?Resolder or change F1003

NO

YES

NO

YES

NO

YES

NO

YES




END

NO

YES



PAM1000

NO

YES



F1000

NO

YES



8. Level 3 Repair

8-3-36. LTE B13 Tx

Check RFS1000

: About 23dBm?

Check C1019 at

: About 23dBm ?

Check L1019

: About 23dBm ?





About 30dBm ?


NO

YES

NO

YES

NO

YES

NO

YES




END

NO

YES



PAM1000

NO

YES



F1002

NO

YES



8. Level 3 Repair

8-3-37. WCDMA B5 / B8 / LTE B5 / B8 / B18 / B19 / B20 / B26 / B28 Tx

Check RFS1000

: About 23dBm?

Check C1019 at

: About 23dBm ?

Check L1019

: About 23dBm ?






NO

YES

NO

YES

NO

YES

NO

YES




END

NO

YES



PAM1000

NO

YES

Check L1015

: About 23dBm ?Resolder or change

L1015

NO

YES



8. Level 3 Repair

8-3-38. DCS1800 / PCS1900 Tx

Check RFS1000

: About 23dBm?

Check C1019 at

: About 23dBm ?

Check L1063

: About 23dBm ?






NO

YES

NO

YES

NO

YES

NO

YES




END

NO

YES



PAM1001

NO

YES

Check C1045


C1045

NO

YES



8. Level 3 Repair

8-3-39. WCDMA B1 / B2 / B4 / LTE B1 / B2 / B3 / B4 / B25 / TDS CDMA B34 / B39 Tx

Check RFS1000

: About 23dBm?

Check C1019 at

: About 23dBm ?

Check L1063

: About 23dBm ?





About 30dBm ?


NO

YES

NO

YES

NO

YES

NO

YES




END

NO

YES



PAM1001

NO

YES

Check C1036


C1036

NO

YES



8. Level 3 Repair

8-3-40. LTE B7 Tx

Check RFS1000

: About 23dBm?

Check L1069 at

: About 23dBm ?

Check C1018

: About 23dBm ?




NO

YES

NO

YES

NO

YES




END

NO

YES


PAM1002


NO

YES

Check L1087


L1087

NO

YES



8. Level 3 Repair

8-3-41. LTE B38 / B40 / B41 Tx

Check RFS1000

: About 23dBm?

Check L1069 at

: About 23dBm ?

Check C1018

: About 23dBm ?




NO

YES

NO

YES

NO

YES




END

NO

YES


PAM1002


NO

YES

Check L1050


L1050

NO

YES



8. Level 3 Repair

8-3-42. MST

MST is not working

Check MST function ONNo

Enable MST Function

END

Type *#0*# ->MST Test->OnCheck voltage on C7161

No Check the status of U7012,then resolder or replace it.

Yes

Check the Status of U7014No

Resolder or replace U7014

Yes

Yes

NoResolder of replace U7000

Yes

Check the Voltage onC7162=3.0V

Yes

Check the ANT ContactANT7006, ANT7007

1. Resolder or Replace ANT7006, ANT20072. Replace Rear

No

Yes



8. Level 3 Repair

8-4. Service Schematics

-NC Point(Top View)

UCP601

8. level 3 repair...8. level 3 repair confidential and proprietary-the contents in this service...

Documents