Sm g920i Tshoo 7 Samsumg

8. Level 3 Repair 8-1. Block Diagram

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

’s written authorization is strictly prohibited.

Level 3 Repair

8-2. PCB Diagrams 8-2-1. Top 0 0 0 2 T N A

3 0 0 2 T

C2113BOTHHOLE7002

ANT2002

C4110ANT4000

6 8 0 5 R 4 1 0 9 C 3 1 0 9 C

6 0 0 4

8 0 0 4 U

7 2 0 7

8 0 0 9

C

C

5 8 0 5 R 8 2 0 7 C

5 1 0 9 C

3 0 0 9 R

0 1 0 9 C

0 0 0 9 C

C4007 C4024 C4023

3 0 0 9 F 4 0 0 9 F 5 0 0 9 F 6 0 0 9 F 7 0 0 9 F

L8006

HDC9001 0 R9001 0 0 9 LC9011

C7033

C9032

0 2 0 7 L

R7029 C7133

9 1 0 9

U

C7138 C7131 C9017

C7124

C9021

C7097

U7015

C9022

C7119

3 3 0 7 R

C7096

0 0 0 7 H T

5 0 0 7 U

C7101

1 1 0 9 R

U7012C7125

R7021C7132C7102

C9023

L9006

9 3 0 7 C

0 2 0 7 R

U7011

C7128 8 1 0 9 C

C7118

C7192

C7130

R7022

5 0 0 9 L

9 2 1 7 C

8 3 0 C7126 7 C

V4001

0 3 0 2 L

1 0 0 2 D Z

1 0 0 4 C

0 0 1 2 C

5 0 0F4001 4 L

6 0 0 2 T N A 6 0 0 4 L

0 0 0 4 V 8 0 1 4 C 2 0 1 4 C 2 1 0 4 P T

9 0 L4004 C4092 0 4 D Z

9 2 0 9 C

1 0 0 9 L

L4003

8 2 0 4 C

8 2 0 9 C

C9030

TP 4052 TP 4053 TP 4057 3 1 0 4TP 4050 P T

TP 4011

3 4 0 4 C

R4015 V6002

1 0 0 6 N C

V6000

0 0 0 6 N C

C4035

C4106

0 1 0 6 U

0 0 0 4 C

C4012

R4040

0 0 0 7 C D H

9 0 0 7

C7121

C7113 C7110

3 0 0 9 U 2 1 0 9 R

0 0 0 4 C S O

R4041

7 2 1 7 C

C7120

C 0 2 0 9 C

R8000

F4000

C7196

6 1 0 9 C

2 0 0 9 C D H

C4008

Z D4010

0 0 0 9 F 2 0 0 9 F 1 0 0 9 F

2 0 0 9 R

3 3 0 9 C

U

U4007

5 1 0 4 C

C4011

C4109

7 1 0 2 C

0 0 0 4 C D H

0 0 0 2 D Z 4 0 1 2 C 5 3 0 2 L

4 0 0 2 U

C2101

ANT2008

N A

R4014 R5052 R5051

4 0 0 6 R

0 0 0 7

4 6 0 2 C

C TP 4014

0 0 0 4 U 4 0 0 4 P T

2 1 0 2 L

7 5 0 2 C 4 1 1 2 C 4 4 0 4 C

3 9 0 4

8 4 0 4 P T

5 0 0 4 TP 4054 TP 4055 7 2 P 0 T 4 P T

6 5 0 2 C

4 0 0 4 U

3 0 0 2 D Z

1 6 0 2 C

6 1 0 4 P T

ANT4003 2 0 0 2 D Z

4 0 0 4 R

5 0 0 4 R

6 8 0 5 C

5 8 0 5 C

0 2C4048 0 4 L

ANT4004

9 1 0 4 P T

TP 4058

C4021 C4020

C4017 C4018

C4113 C4111

ANT4006

TP 4049

R4011

5 0 0 4 C

9 0 0 4 C

L4007

TP 4051TP 4032

TP 4056

D E L

0 3 0 4 U

SUS6000

5 1 0 4 T

N A

2 1 0 4 T N A

C4112

ANT4013 ANT4010

ANT4014 ANT4011

5 0 0 7 T N A

4 0 0 7 T N A

6 0 0 7 T N A

6 1 0 4 T BOTHHOLE7007 N A

C9024

2 0 0 7 C9026 C9027 C9025 C

R5054 R5053 R9009 5 0 0 7 R

C2111

R5060 R5059

9 3 0 6 C

C7099

0 2 0 6 C

ANT7001

8 7 0 5 C 7 4 0 5 C

4 6 0 5 R 9 3 0 5 C

C5092 C5021

0 0 0 5 C

C7065

C5091

C6025

C5011

C5015

0 1 0 5

3 2 0 5 C

C

1 0 0 5 C

SC6006

ANT7000

4 7

C6019

C

0 R5077R5072R5073 5

C5048

R

0 0 0 5 C S O

5 0 0 5 C 8 C7063 0 0 5 R C6013

C7155

3 1 0 7 L

C7077

0 1 0 7 L

C6022 C6009

C6036

L7012 8 6 C7069 C7074 0 7 C

4 1 0 7 L

5 5 0 7 C

5 C7152 0 0 7 C7086 L

2 7 0 7 C

1 1 0 7 R

1 0 0 7 R

1 8 0 7 C 3 7 0 7 C

3 0 0 7 U

3 0 0 4 R

C7010

4 9 0 5 R 3 9 0 5 R

L7018 1 7 C7078 0 7 C7154 C

C7018 C3014 C3045

C7061

C3054

1 1 C7079 0 3 C

4 9 0 7 C

C7041

3 0 0 7 C

1 3 0 3 R

C3006 C7015

2 1 0 3 C

6 4 0 7 R

0 3 0 3 R

C7060 C7014 C7057

C3010

C7058

C3052

C7085

0 7 0 7 C

L7017 0 0 0 7 C S O

5 1 0 7 L

1 0 0 7 L

C7082

C7083

L7009

C7056 C7059 C7013 C7064 C7020

6 1 0 7 L

C7093

R7000

C7043 C7048 C7084

2 0 0 7 U

2 5 0 7 C 1 5 0 7 C

L7011

3 0 0 7 L

C6030

3 0 5 C

8 0 0 7 L

1 0 0 7 D

0 2 1 0 0 0 0 0 0 5 5 5 R R R 4 0 0R5005R5007 5 R

R5012

7 5 TP 7000 0 5 1 C

R7044

4 0 0 C7106 7 R

C6015

R5010

3 0 1 5 C

C

C

R7031

R5003TP_APOLLO R5006 C6007 1 1 C6008 0 5 R

4 0 1 5 C

7 0 0 5

C6037

6 7 0 7

3 C6038R5013 2 0 5 9 R 0R5095C7135 0 5 R7030 R

6 6 0 5 R

C6010Q7000

3 1 0 5 C

C6032

3 9 0 5 C

C7016 C7019 C7022

3 5 0 7 C

U6001

0 9 0 5 C

3 1 0 7 U

C5002 5 0 1 5 C

C5014

0 0 0 6 C

R5071

2 0 0 7 L

C6023 C7050 C6021

C5025 C5029 R7025 C5006

C5003

5 0 0 6 C

C6014 C5106 C6002 C7066

4 2 0 6 C

C5017

C C6011

R7002

0 4 0 5 C

C5016

5 4 0 7 R

4 0 C6012 0 5

0 9 0 5 R

C7054

C5019

9 0 0 5 C

C5022

6 5 C6006C6004 1 C7075 C5008 7 CC6003C5065

C5070 R5068

C7134

R5070

C5018

0 2 0 5

C7098R7012C7095

3 U9002 0 0 9 L C9031 L9004

2 0 0 9 L

7 0 0 7 R

R7006

ANT2004

TP 4003 R5049 TP 4000

0 9 R5050 0 7 C C7017 7 5 0 3 C3056 C 2 9 R7014 0 7 C 5 5 0 3 C

U7006 3 1 0 7 R

R7047

D7002

7 8 0 7

4 0 0 7 C

0 0 0 7 D

C3047

8 4 0 3 C

C

TP_CODEC_CLK T P_CODEC_M ISOT P_CODEC_M OSI

TP_CODEC_SS

C3005

BOTHHOLE7006 7 0 0 L8000 3 C C8001 C3029

2 2 0 3 C 0 2 0 3 C 0 5 0 3 C

C3031

L3004

3 0 0 3 L

C3019 TP 3007

0 0 3 P

5 2 0 3

8 4 0 5 R

C3032 C3002

C3027 C3026C3035

7 2 0 3 R

4 1 0 1 R

7 1 0 1 R

C1089 C1088 C1090

5 1 0 1 R

2 8 0 1 C

4 8 0 1 C

4 0 0 1

U

C1105

4 2 0 8 R

2 0 0 3 L

C8022 C8026 7 2 0 8 C

C8074 R8007 C8024 C8028 R8018C8025

L8007

C8075R8008

0 0 0 8 A T

3 3 0 3

7 0 0 8 P 5 T 0 0 8 4 P 0 T 0 8 6 P 0 0 T 8 P T

L1045

C5094C5095 7 0 0 1 R

4 1 0 8 C

C8015 9 2 0 5 R

L8001 C8003

0 1 0 8

3 3 0 8

C8051

C8070

U

R

6 5 0 8 C

0 0 0 8 D

R8039

C8048

L1000

V2000 C2011

3 0 0 1 C

4 4 R5037 R5034TH5000 R2002 0 1 C L1020 C1055C1065

2 0 0 1 C

F1000

C1005 C1001 C1012

L1008 C1031C1034R1001 C1013

C1007 C1054 7 5 0 1 C

0 7 0 1 C

9 2 0 1 C

C1030

8 0 R1011 0 1 RR1010

9 0 0 1 C

8 0 0 1 C

U1000

U1002

F2006

0 1 0 1 C

1 1 0 1 C

SC6004

1 7 C2070 0 2 C L2018

2 0 0 2 U 9 1 0 2 L

C8072 C8016

2 0 0 8 C

1 7 0 8 C

R8028

C8023

3 1 0 8 C

1 0 0 8 R

7 0 0 8 C

R8031

5 4 0 1 C

0 0 0 8 C

U8002

C8004

C8073 3 2 0 7 R7024 R

L1048

R8005

0 0 0 3 P T

7 0 1 1 C

3 0 0 1 U

1 2 0 8 C 7 1 0 8 C

C8029

2 1 0 8 C

L1035 L1034 C1083

4 C1075 6 0 1 CR1009

1C8033 3 6 0 3 8 0 8 C C

8 0 3 8 C 1 1 0 8 R 0 2 0 8 C

1 0 0 3 L

2 9 0 1 C

6 3 0 1 L

4 3 0 8 C

U8006

L3000

1 9 0 1 C

8 0 0 8 C

C8039

C3001

C1106

9 1 0 8 C

C8037

C 9 4 0 3 C

C1095

5 3 0 8 C

C

8 1 0 3 C

SC6001

C3030 1 7T 4 0 5 R

1 2 0 3 C

C8032

C3034

0 0 0 3 U

C3000

8 2 0 3 C

3 2 0 3 C 4 2 0 3 C 7 1 0 3 C

4 4 0 8 C

0 8 0 7 C

C8030

3 7 0 2 C

7 1 1 C1115C1111C1120 1 C

9 9 0 1 C1100 C

F1007

5L1028 8 0 1 C 6 8 0 1 C

1 0 0 1 M A P 7

1 3 C1097 0 1 L

C1096

8 0 1 C

2 0 1 1 C

L1029

6 1 0 1 C

1 2 1 1

C1101 3 2 1 1 C

7 2 0 1 C

L1003 L1007

C F1002

7 4 0 1 C1122L1044 C

C1048 C1049

1 0 0 CPL1000 1 U R1019

4 0 1 1 C

C1020C1028

C1019 9 0 1 1 C

7 3 0 1 L

R6001

7 4 0 1 L

R6003

L1004

RFS1001 R6002

TP 5012

3 0 0 1 S

TP 5013

2 1 0 4 D Z

8 0 0 4 D Z

ANT8001

F R

8 0 1 1 C

9 3 0 1 L

C1118

HDC4001

Z D4006

ANT8000

R1018 C1119

U8000 5 1 0 8 D Z

Z D4005 0 4 0 C8011Z D8000 8 R 5 3 0 R8037 8 1 8 R 4 3 8 0 0 1 8 8 0 R R 8 D Z

9 1 0 8 D Z

R4048

3 3 0 R1002 C1032 1 C

C2078

U8001 6 1 0 8 D Z

C4087 C4088

2 3 C4086 0 4 R C4085

C8018Z D8001

L1049

RFS1002

1 1 0 4 D Z 7 0 0 4 D Z

9R8022 7 0R8021 2 C

ZD8006

0 0 0 1 S F R

L1006

ZD8005

8-2



Level 3 Repair

8-2-2. Bottom

4 1 0 4 U

0 0 0 4 D E L 9 C4022 2 0 4 C

L4026 4 2 0 4 L 9 2 0 4 L

U4002 8 3 0 4 C

CN1104

5 0 0 4 U

8 5 0 4 C 4 1 0 4 L

2 4 0 4 C

C4054 L4015

9 1 0 4 L

1 2 0 4 L

F4003

5 1 0 4 U

0 5 0 4 C

7 5 0 4 C4100 1 C C4105 0

9 9 0 4 C

8 9 0 4 C

R4047

0 0 0 4 D Z

0 4 D Z

7 1 0 4 R

4 6 0 4 C

Z D4002 C4062

0 0 0 2 L

C4063

4 C

T IN _ O R Y G _ P T

2 0 0 4 C

6 8 1 7 R

R7178 0 8

3 7 1 7 C 1 9 1 7 C

R

R7185C7115 R7191 R7183R7059 R7177

6 1 0 4 R

0 0 0 4 Q

3 3 0 4 L 7 9 1 7

1 8 9 R7192 7 1 R 7 R

2 R4045 4 0 4 R

U4013

SUS6002

CN1102

R7179

2 0 0 7 T N A

3 0 0 7 T N A

1 2 0 7 L 2 2 0 7 L

3 0 0 7 D Z

2 0 0 7 D Z

3 0 7 L

C7150 2 R7038

CN1103

6 7 0 4 C 3 0 1 4 C

7 0 1 4 C C 4 C7136 0 1 4 C

8 1 0 7 U

1 5 1 7

R7032

R7028

R4031

5 7 0 4 C

8 C4077 7

0 4 C 9 8 C 0 4 C4083 C 0 8 0 4

9 7 0 4 C

C4091

1 3 0 4 L 2 3 0 4 L

8 3 4 R

C4090 0

7 3 0 4 R

6 3 0 4 R

5 3 0 4 R

U4012 0 7 0 4 C

3 7 0 4 C

6 6 0 4 C

4 8 0 4 C

7 6 0 4 C 7 5 1 7 C 4 7 0 4 C 9 6 0 4 C

4 3 0 4 R 1 7 0 4 C

8 6 0 4 C

6 9 0 4 C

2 2 1 7 C 1 8 1 7 C

0 8 1 7 C

U7007 3 9 1 7 C

4 3 9 C7182 2 1 1 7 C7190 7 C C

2 2 0 2 C

6 0 0 2 C

0 0 9 C D H

TP 4060 TP 4063 TP 4062 TP 4061

0 0 0 5 C U6011 D H

5 8 1 7 C

5 7 1 7 C

R7037 C7178 C7177 9 1 1 5 0 4 2 1 0 8 0 7 0 4 C 7 4 C C U S O

1 4 0 7 R

L2011 C2068 9 0 0 2 L

3 0 0 9 P T

F9011 0 0 0 9

9 5 1 7 C

8 5 1 7 C

9 1 0 7 L

D Z 2 0 0 9 D Z

7 3 0 7 C

4 0 0 9 D Z

6 3 0 7

2 0 0 9 C 4 3 0 7 C

3 0 0 9 D Z

C 2 1 R9010 0 9 C R9004

5 2 0 4 L

6 1 0 5 R 6 2 0 5 R

C5028 C5109

4 1 0 5 R 4 2 0 5 R

7 5 0 5 R 6 3 0 5 C 8 3 0 5 R

8 5 0 5 R

4 1 0 7 TP_BUCK7000

R5036 5 3 0 5 R

0 4 0 5 R

9 3 0 5 R

TP_SHUB_MISO

C

2 0 0 9 P T

5 0 0 9

Q9000 C7047

L7007

C7031 TP_COMP_MCLK

C9004

C 3 0 0 9 C

4 0 C7026 TP 4002 0 9 TP 4001 P T

C7046 C7049

7 0 0 4

R

6 0 0 7 L

3 2 0 7 C 6 0 0 7 C 4 4 0 7 C

U7001

7 2 C7035 0 7 R R5082

1 2 0 7 C

C7005 0 6 0 5 C

L7004

9 2 0 6 C

3 0 0 3 P T

R5063 R5062

K L C I_ L L _

C5077

4 4 0 5 C 2 6 0 5 C 4 3 0 5 C TP 5011

1 6 0 5 C 5 4 0 5 C 7 6 0 7 C

7 0 1 5 C

C6001 C5032 C5075C5026 C3053C5102C5074

P T

_ S P _ P T

C9034 0 3 0 5 C

8 7 0 5 R

4 4 0 3 C 1 1 0 3 R 6 4 0 3 C

7 1 0 P T

8 0 0 7 R

2 6 0 7 C 6 2 0 3 R 3 4 0 3 C 1 5 0 3 C

5 6 0 5 R

R5075 R5076

TP 3018 3

2 0 3 SC6007 P C U

1 2 0 3 R 5 2 0 3 R 8 0 0 3 C 6 1 0 3 R

3 3 0 5 C

7 2 0 5 C 3 6 0 5 C 8 5 0 5 C 5 3 0 5 C 8 0 1 5 C

0 0 0 5 P C U

TP 5003

R 4 2 0 7 C 0 0 0 7 C 2 4 0 7 C

1 0 0 7 C

C7008

5 4 0 7 C

R5083 2 1 TP 5004 4 4 0 0 5 5 TP 5005 6 R7194 R R 1 7 3 2 0 73 59 1 3 3 0 0 0 6 05 17 Z D9001 6 5 5 C C R C R R

6 0 0 4

C7007

L7000

U

7 2 0 4 C 6 0 0 4 C 6 2 0 4 C

U4001

SC6003 1 0 0 5 H T

U9001

5 2 0 4 C 9 1 0 4 C 6 0 0 9

TP 5007

5 1 0 5 R 5 2 0 5 R

2 TP_6AXIS_CLK 3 R9006R9008 0 7 T P_6AXIS_M ISO C 7 0 TP_SHUB_SSN 0 9 R TP_SHUB_MOSI

3 0 0 4 C 2 0 0 4 L

F4005

TP 9000

0 0 0 9 U

F9008

C5076R5031

0 0 0 5 D L P O T H

6 0 0 9 P T

TP 9001

5 0 0 9 D Z

7 1 0 5 R 7 2 0 5 R

5 0 0 9 P T

C9001 C7030 C9007 C4065

F9009

C7147

8 1 0 5 R 8 2 0 5 R

3 4 0 2 C

F2003

0 6 0 2 C

2 3 0 2 C

5 0 0 2 L

C2047

C2053 C2066C2046

5 0 0 2 F

F9010

ZD7001 C7148

C7137

1 4 0 2 C

F9012

9 7 0 5 R

0 0 0 9 R

2 0 0 2 F

4 4 0 2 C

6 0 0 2 L

9 2 0 7 C

1 0 1 5 C

5 9 1 7 C

4 5 0 2 C

3 0 0 2 L

TP 4018

C7179 C7176

1 8 0 4 C

4 0 0 2 L

4 0 0 2 F

4 0 2 C

1 0 0 2 F

2 0 0 2 C

L2007 C2016 C2014

7 R 1 8 1 7 R

C2065 L2010 C2067

L2008 2

0 0 0 2 F

4 8 1 7 R 2 8 1

R4043 R7193 C7184

5 0 0 2 C 1 0 0 2 L

4 4 0 4 R

R5087R5088

9 3 0 4 P 8 T 3 0 4 P T

2 0 0 2 L

C2049 9

3 C4040 C40410

3 4 0 4 P 7 T 3 0 TP 4045 4 P T

C2004

2 1 0 5 C

2 0 0 3 R

6 3 0 3 C

U3001 R3009

C3041

TP_PM IC_BU CK7000

T P_CP_UARTEL _S

D X R _ P C

D X T _ P C

9 0 0 7 C

3 R3003 501 0 3 0 C 3 R3004 C TP 5006 4 C3042TP 5010 0 0 C3013 3 C C3040

NTP_CP_PM_SDA O M K L C _ P TTP_CP_PM_SCL TP_TCXO_EN

9 0 0 3 C 8 8 0 7 C K L

TP 3016

P T

S M T _ P T

8 1 0 3 R

7 1 0 3 R

C TP 3014 TP 3012 _

0

5

3 1 0 3 R

2 1 R3029 0 0 3 3 R3028 R R

4 0 0 3 P T

2 1 0 3 R

C3016 TP 3002R3005C3037R30 06 C3038 C3039R3007R3008

4 1 0 R3019 3 R

0 0 0 3 R

R3001

1 0 0 5 0 M I 0 0 S 5 M I S

C5080 C5081 R5067 C5084 Z D5002

C5083 Z D5001

C5082 Z D5000

C5087 Z D5003

R5089

2 0 0 9 N C

0 0 0 5 V

R5092 C5098 Z D5006

C5096 Z D5004

C5097 Z D5005

5

5 R2000C2000 0

2 C

1 0 0 2 C

2 6 0 2 C

5 3 0 2 C

0

1 0 TCX2000 3 R 9 0 0 2 C

3 0 0 2 R

1 C2037 8 0 2 C C2021

C2025

8 3 0 2 C 3 3 0 2 C

6 3 0 2 C

1 0 0 2 U

9 3 0 2 C

C2029

3 2 0 1 L

C2040

SC6002 3 1 0 2 C

4 3 0 2 C

C2026

R2001 C2028 C2027 R4028

3 5 0 1 C

0 5 0 1 C 4 1 0 1 L

9 3 0 1 C

8 3 0 1 C 2 1 0 1 L

0 4 0 1 C

7 3 0 1 C 0 1 0 1 L

1 4 0 1 C

L1026

C1098C1081

C1080

PAM1000

9 1 0 2 C 0 2 0 2 C

5 1 0 2 C

0 2 0 2 L

7

1 C2076 0

6 3 0 1 C 9 0 0 1 L

5 2 1 1 C

4 2 1 1 C 6 4 0 1 L

5 1 0 2 L

9 6 0 2 C 4 1 0 2 L

1 7 0 1 C

8 6 0 1 C 1 2 0 1 L

2 7 0 1 C

3 6 0 1 C 9 1 0 1 L

8 5 0 1 C 7 1 0 1 L 2 6 0 1 C

9 6 0 1 C

0 6 0 1 C 3 7 0 1 C

7 7 0 1 C

8 1 0 1 L

C2077 4 7 0 2 C

C1061 4 2 0 1 L

6 7 0 1 C

3 0 0 2 U

L1022

F2007

4 3 0 2 L

3 9 0 1 C 4 9 0 1 C 7 2 0 1 L

8 7 0 1 C

R1013

C2110

5 7 0 2 C

2 L

9 7 0 1 C

5 2 0 1 L

F1006

F1005

C8076

2 0 0 8 L

9 0 0 U4010 4 UC4072

R4030

U4011

1 4 0 8 C

6 3 0 8

R

0 2 0 8 D Z

R8014 C8043 2 3

0 R8012 8

R

1 2 0 8 D Z 7 0 0 8 D Z

0 3 0 8 R 9 1 0 8 R

2 1 0 8 D Z 7 1 0 8 D Z

3 5 0 8 C 5 5 0 8 C

L8005 L8004

2 5 0 8 C 4 5 0 8 C

0 2 C8049 0 8 R R8025 3 7 0 2 1 4 0 0 0 8 8 R 8 D C Z

HDC8000

8-3



Level 3 Repair

8-2-3.

Sub

PBA Top

8-4



Level 3 Repair

8-2-3.

Sub

PBA Bottom

8-5



Level 3 Repair

8-3. Flow Chart of Troubleshooting Equipments

 Oscilloscope



 Digital Multimeter

Power Supply

 + driver, ESD Saf e Tweezer

 8960 & Spectrum Analyzer



Soldering iron

8-6



Level 3 Repair

8-3-1. Power On

Mobile phone does not power on.

Charging the battery by TA.

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

No

If its voltage level is extremely low(under

3.0V),

Change the battery.

Yes

Power-on the phone and Yes

check the power-on sound

Change the FRONT-LCD ASSY

or motor Vibration. Sound or Vibration is ok ?

No

Check the voltage level at ANT7000 while pressing power key. Is the voltage high?

Abnormal Replace the POWER KEY FPCB.

Check the output voltage of U7002 Yes Check the signal of AP_PS_HOLD = 1.8V

(C7004 >0.9V, L7002 > 0.5V, L7008 > 0.5V, No

L7009 > 0.5V, L7011 > 0.9V, C7054 > 1.1V, C7055 > 1.3V, C7057 >2.0V, C7060 > 1.2V) If the output voltage is not normal, Change the U7002.

Yes

※

Check the Clock OSC5000

No

Is the frequency 24Mhz?

Each voltage level has ±10% margin.

Replace the OSC5000. ※

Test condition (Oscilloscope setting)

: 20.0 us.div (time division) Yes check the initial operation Yes END

8-7



Level 3 Repair

8-8



Level 3 Repair

8-9



Level 3 Repair

8-3-2. Initial Initial Failure Yes

Re-download latest SW on the mobile phone.

Abnormal

Abnormal Check the OSC5000 (Crack, open etc.) Check the U7002 (Crack etc)

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

Normal

Change UCP5000 Abnormal Change PBA

END

8-10



Level 3 Repair

8-11



Level 3 Repair

8-3-3. No Service No service Yes Check menu setting Menu → applications → setting → network connections → more networks → mobile networks → network mode → setting is auto connect ?

CP : G920FXXXX Home screen → Phone → Keypad → *#1234# → check Phone version → CP : G920FXXXX or unknown

Check the connection of RF coaxial cable

CP : unknown

Check the voltage level C3035 = 1.0V C3034 = 1.2V C3017 = 1.0V C3018 = 1.0V C3019 = 1.8V

No Replace the U3000

Yes

No

Check TCXO2000 Frequency = 26MHz

Replace the TCXO2000

Yes

Replace UCP3002

Yes END

8-12



Level 3 Repair

VDD_M_1P3

VDD_1P2_CP

VDD_M_1P9 VDD_M_2P9 VDD_1P8_CP

VRF_MIPI_IO_1P8

VBAT VDD_A1P0_CP

VDD_LLI_A1P0_CP C3002 VDD_1P8_CP

C3001

VDD_A1P8_CP

C3000

VRF_T RX_1P2

ground

VDD_EFUSE_1P5

VRF_FEM_2P8

VRF_T RX_1P8

VDD_SIM2_1P8

1 D

VDD_1P0_CP

VDD_1P2_CP

TP3000

CP_PMIC_PWR_EN CP_PMIC_PWR_HOLD VDD_M_1P3 VRF_ON VDD_M_1P9

E3 B4 C3 B3 D3

R3000 SHORT

L3000

G1 G2 F3

L3001

H7 G8

VDD_M_2P9

L3002

H4 G5

L3003

A4 B5

L3004

A7 B8

D4

1 3 0 3 C

2 3 0 3 C

3 3 0 3 C

4 3 0 3 C

5 3 0 3 C

1 2 6 6 5 5 6 F F H G H A A

2 2 3 4 5 5 N I N I N I N I N I N I V V V V V V S S S S S S

T A B V PWRON PWRHOLD RESET B IRQB RFON SW1 SW1 FB1 SW2 FB2 SW3 FB3

1 1 2 2 3 4 5 N I N I N I N I N I N I N I V V V V V V V VLDO1 VLDO2 VLDO3 VLDO4 VLDO5 VLDO6 VLDO7 VLDO8 VLDO9 VLDO10 VLDO11 VLDO12 VLDO13 VLDO14

SW5 FB5

SDA SCL

D D N N G G A D

1 _B 1 _B 2 _B 3 _B 4 _B 5 _T _B D D D D D D D N N N N N N N GG G GG G G 1 2 8 3 3 8 1 H H H H A A A

D D D N D N N N G G GG C C C C N N N N 2 2 6 4 C D B E

K K R R A A MM

VDD_A2P5_CP

ground

VDD_1P8_T CXO

VRF_T RX_1P2_LO

VDD_SIM_1P8

F8 F6 C5

VRF_T X2_1P8

D6 D7 C8 D8 E8 E6 E7 F5 E5 C6 D5

E2 DVS B2 T CXO_EN B1 T CXO_IN A2 T CXO_OUT

SW4 FB4

VREF

ground

U3000

1 1 E C

1 0 0 3 R

7 7 4 4 7 7 F G F C C B

G4 G3

VDD_1P8_TCXO

TR_TCXO

PMIC_TCXO_26M

R2000

C2000

3 TP3001

T CXO_EN PMIC_T CXO_26M CP_T CXO_26M CP_PMIC_SDA_1P8 CP_PMIC_SCL_1P8

TCX2000 7 1 0 3 C

8 1 0 3 C

9 1 0 3 C

0 2 0 3 C

1 2 0 3 C

2 2 0 3 C

3 2 0 3 C

0 5 0 3

4 2 0

C

3 C

5 2 0 3 C

6 2 0 3 C

7 2 0 3 C

8 2 0 3 C

9 2 0 3

OUT

4

C2001

VCC

GND VCON

C

2

1

1 2

AFC_TCXO

C3030

C2009

groundground groundground

groundground

8-13



Level 3 Repair

8-3-4. Sim Part Insert SIM card Yes

Is SIM socket ok?

No

Replace SIM socket.

Yes

Change to the new SIM card. Check the SIM Voltage. (C5080, C5081 ) >= 1.8 or 3.0?

No

If it doesn`t still work SIM card after changing the SIM card, Check the U3000,U4012

(Crack

etc) Yes

Check the SIM RST/IO/CLK. (C5082,C5084,C5083) No signal

No

Check the UCP3002 (Crack etc)

Yes

END

8-14



Level 3 Repair

8-15



Level 3 Repair

8-3-5. Charging Part

TA / USB Insert

Yes Charging Sequence Start VBUS_5P0(C8070) = 5V

No

Replace SUB PBA

Yes

Check the CHG_IN_5V(C8051)=5V

No

Replace U8010

Yes

Battery is Charging?

No Replace U7015

Yes

END

8-16



Level 3 Repair

CHG_IN_5V

VBUS_5P0

U8010

IF_VOUT_CHG

VBAT A1 A2 D1 E1 E2

3 7 0 8 C

1 5 0 8 C

8 4 0 8 C

B1 C3 1 2

VOUT VOUT BA T BAT BA T

VBUS VBUS VIF VIF VIF

ON ONB VBUS_DET MARK D D N N MARK G G 2 1 C C

B2 B3

V_BAT_JIG

D2 D3 E3 A3

0 7 0 8 C

1 7 0 8 C

8-17



Level 3 Repair

8-3-6. OTG

OTG does not work

Yes

Check CHG_IN_5V(C8051)=5V

No

Replace SUB PBA

Yes

Check VBUS_5P0(C8070) =5V

No

Replace U8010

Yes

Replace SUB PBA

Yes

END

8-18



Level 3 Repair

CHG_IN_5V

VBUS_5P0

U8010

IF_VOUT_CHG

VBAT A1 A2 D1 E1 E2

3 7 0 8 C

1 5 0 8 C

8 4 0 8 C

B1 C3 1 2

VOUT VOUT BAT BAT BAT

VBUS VBUS VIF VIF VIF

ON ONB VBUS_DET MARK D D N MARK N GG

2 1 C C

B2 B3

V_BAT_JIG

D2 D3 E3 A3

0 7 0 8 C

1 7 0 8 C

8-19



Level 3 Repair

8-3-7. Sensor Hub

Sensor Hub does not work

Yes

Check the voltage C4006, C4007, C4008 = 1.8V

No

Replace U7002, C4006, C4007, C4008

Yes

Check GPS_HUB_EN TP4018 = always 1.8V

No

Replace UCP5000

Yes

Replace U4001 (Sensor Hub)

END

8-20



Level 3 Repair

8-3-7-2. Magnetic Sensor

Magnetic Sensor does not work

Yes

Check the voltage C4038, C4042 = 1.8V

No

Replace U7002, C4038, C4042

Yes

Check R4006, R4007 (I2C is OK?)

No

Replace UCP5000

Yes

Replace U4002 (Magnetic Sensor)

END

8-22



Level 3 Repair

8-3-7-3. 6Axis Sensor

6Axis Sensor does not work

Yes

Check the voltage C4039, C4040 = 1.8V

No

Replace U7002, C4039, C4040

Yes

Check TP4060, TP4061, TP4062, TP4063 (SPI is OK?)

No

Replace U4001

Yes

Replace U4015 (6Axis Sensor)

END

8-24



Level 3 Repair

I S O M I_ P S _ IS X A 6

7 2

6 2 C N

C N

1 NC

S S N I_ P S _ IS

K L C I_ P S _ IS X A 6

X A 6

0 6 0 4 P T

1 6 0 4 P T

2 6 0 4 P T

4 2 I D S | A D S

3 2 K L C S | L C S

2 2 S C N

1 2 A D _ X U A

0 2 V S E R

9 1 V S E R G N D 18

2 NC 3 4 5 6

N C 17

NC

NC

U 4015

NC

NC

NC

NC

L C _ X U A 7

NC

0 D A | O D S 9

O I D D V 8

T U O G E R 0 1

1 1

C N Y S F

VD D

16 VD D _1P8_AP

15 14 13

T IN 2 1

T P4063 T P_G YR O _IN T

6AXIS_SPI_MISO 6AXIS_IN T

C 4039 C 4040 C 4041

VDD_1P3_LLDO U7002-2 J10

VINL1

VLDO1

VINL2

VLDO11

J7

VDD_0P8_AP_ALIVE

J11 VLDO4 VLDO7 VLDO8 VLDO9 VLDO10 H10 VDD_1P8_AP

VDD_0P9_AP K11 K10 K9 K8 H11

VDD_ATLAS _M_AP VDD_INT_M_AP VDD_APOLLO_M_AP VDD_G3D_M_0P95 VDDQ_DRAM_AP

J9 VLDO12 VDD_2P0_MLDO

VLDO13 VLDO22

F12

R7011

E12 L9

D10

VINL3 VINL4 LDO16EN

VINL5

VDD_3P4_HLDO

VLDO26 VLDO3

G6

LDO17EN

VINL7 LDO25EN

VDD_CODEC_1P2 VDD_1P8_AP

F11

VDD_1P8_CODEC_PMIC

E11

VDD_1P8_HRM

VLDO27

G11

VLDO5

E10

VLDO15

D11

VLDO20

VINL6

F13 E13

VLDO18

VLDO2 VLDO14 VLDO17

F8 L11

IR_LED_EN

VDDQ_DRAM_CLK_AP

VLDO16

VLDO23 E8

C7072

VDD_1P2_AP J8 H9

VLDO6 VLDO19

D8 D9 E9 D7 E7 G9

VDD_PLL_1P8_AP VDD_TS P_1P8 VDD_NFC_1P8 VDD_ES E_1P8 VDDQ_MMC2_2P8_AP VDD_2P8_AP VDD_VIB_3P0 VDD_3P0_US B_AP

G8 F7

VLDO21 VLDO24

VDD_TOUCH_3P3 H8

VDD_3P3_HRM

F9 VLDO25

VDD_IRLED_PROXY _3P3

VD D _1P8_AP

VD D _G PS_1P2

VD D _1P1_SR M

L4002

6 0 0 4 C

3 0 0 4 C 2 A

SH U B_SPI_C LK SH U B_SPI_SS_N SH U B_SPI_MO SI SH U B_SPI_MISO

A7 B7

MC U _AP_IN T _1P8 AP_MC U _IN T _1P8

VD D _1P8_AP

1 A

7 E

2 2 P P 1 1 D D D V D V _ _ F I A _ N L S _ S N S G S N G

F7

T P_SH U B_SSN G7 H7 T P_SH U B_MO SI J7 T P_SH U B_MISO

GPIO_00

D7

A4 GNS S _CAL GNS S _TCXO

GPIO_02

I_XTAL

GPIO_03 GN SS_RFIN

C6 D6

F6

F2 D2 I_VDDX_3P3_PM U

GPIO_09

S TANDBY _N

GPIO_10

O_FILT

O_VDD2_1P1_ GBB

GPIO_13

O_VDD3_1P2_G RF

B5

O_VDD6_1P1_S RM O_VDD5_1P8 _PERF

D5

F4 B4

T P_6AXIS_C LK

D4 E4

VD D _G PS_1P2 G PS_H U B_EN VD D _1P1_SR M

4

VCC OUT O SC 4000

NC 1

ADC_IN2 ADC_IN3 ADC_IN4

GPIO_22

ADC_IN5

J3

H3 H4

GPIO_23

ADC_IN6

GPIO_24

ADC_IN7

GPIO_25

ADC_IN8

GPIO_26

G3 G4

G1

S S V

S S V

S S S S V _ V A _ N IF _ L _ S S S S N N G G

5 1 G C

2 B

GND 2

J2

J4 GPIO_21

4 C

VD D _1P8_AP

J1

GPIO_19 GPIO_20

GPIO_27

3

D1

C3

ADC_IN1

H5

T P_6AXIS_MISO

T P4018 C4019

G2

O_VDD5_1P8_A UX

U4001

E5 F5

F1

C2 GPIO_16 GPIO_17 GPIO_18

C5

D3

F3 GPIO_14 GPIO_15

J6 A5

E1

O_VDD1_1P1_CORE

GPIO_12

G6 H6

G PS_C LK_32K

I_VDDX_5P0_PM U

GPIO_08

GPIO_11 E6

6AXIS_IN T

E3

B3

GNS S _AUX_OUT

GPIO_06 GPIO_07

B6

G R IP_IN T SH U B_C P_IN T IR _LED _EN

G PS_LN A_EN PR O XY_IN T SH U B_C P_R XD SH U B_C P_T XD C P_SH U B_IN T G R IP_SC L_1P8 G R IP_SD A_1P8 6AXIS_SPI_MISO 6AXIS_SPI_MO SI 6AXIS_SPI_C LK 6AXIS_SPI_N SS

G PS_C LK_26M

A3

B1

GPI O_0 4 GPIO_05

C7

R 4007

8 0 0 4 C

G PS_R F

M D R S D V _ _ 1 C P D 1 A _ 6 D D V I_

A6

MC U _H O ST _WAKE MC U _H O ST _R EQ R 4006

SEN SO R _SC L_1P8 SEN SO R _SD A_1P8

7 0 0 4 C

1 H

5 J F R E P _ 8 P 1 _ 5 D D V _ I

GPIO_01

SW_D IO SW_C LK SH U B_WLAN _T XD

R 4040

R 4041

3 2 0 4 C

4 2 0 4 C

5 2 0 4 C

SH U B_WLAN _R XD

6 2 0 4 C

7 2 0 4 C

8 2 0 4 C ground

SH U B_WLAN _WAKE

TES T_MODE

WLAN _SH U B_WAKE U M P _ S S V A 2 E

F E R _ C D A 2 H

K R A M 1

K R A M

2

ground

8-25



Level 3 Repair

8-3-8. IRLED

IRLED does not work

Yes

No

Check the voltage C4062 = 3.3V

Replace U7002, C4062

Yes

No

Check the R4016 (IRDA_CONTROL is OK?)

Replace U4014, R4016

Yes

Replace the RCV-IRDA Ass'y

Yes END

8-26



Level 3 Repair

VD D _1P8_AP VD D _1P8_AP

7 4 0 4 R

VD D _IR LED _PR O XY_3P3

R 4017

R 4016

U 4014 1

VDD

S DA

S CL

INT

GND

GPIO

2

SEN SOR_SC L_1P8

C 4062

C 4063

Z D 4000

2 0 0 4 D Z

8

SEN SO R _SD A_1P8 PROXY_INT IR D A_C T L

7

3 4

LEDA LEDK

6 5

5 0 1 4 C

4 6 0 4 C

Z D 4001

SU B_MIC BIAS_1P8 H D C 4000 1 1 3 3 5 5 7 7 9 9 11 11 13 13 15 15

SUB_MIC _DAT A SU B_MIC _C LK SU B_MIC _FB_G N D IR _LED _A

2 2 4 4 6 6 8 8 10 10 1212 14 14 16 16

RC V_P R C V_N

C C C C N N N N 7 1 8 1 9 2 0 1

0 1 0 4 D Z

8 0 14 C

2 0 1 4 C

9 0 0 4 D Z

1 0 0 4 V

0 0 0 4 V

VDD_1P3_LLDO U7002-2 J10

VINL1

VLDO1

VINL2

VLDO11

J7

VDD_0P8_AP_ALIVE

J11 VLDO4 VLDO7 VLDO8 VLDO9 VLDO10 H10 VDD_1P8_AP VLDO12 VDD_2P0_MLDO

VLDO13 VLDO22

F12

R7011

VINL3

VLDO26

E12

K10 K9 K8 H11 J9 J8

VDD_ATLAS _M_AP VDD_INT_M_AP VDD_APOLLO_M_AP VDD_G3D_M_0P95 VDDQ_DRAM_AP VDD_1P2_AP VDDQ_DRAM_CLK_AP

H9 F13

VDD_CODEC_1P2

E13 VINL4

L9

LDO16EN

VLDO3

VINL5

F11

VDD_1P8_CODEC_PMIC

E11

VDD_1P8_HRM

VLDO5 VLDO15

VDD_3P4_HLDO

VDD_1P8_AP

VLDO16 VLDO18 VLDO27

D10

VDD_0P9_AP K11

VLDO20

G11 E10 D11 D8

VDD_PLL_1P8_AP VDD_TS P_1P8 VDD_NFC_1P8

D9 VLDO23 E8

C7072 G6

VINL6 LDO17EN

VLDO2 VLDO14 VLDO17

F8

IR_LED_EN

L11

VINL7 LDO25EN

VLDO6 VLDO19 VLDO21 VLDO24 VLDO25

VDD_ES E_1P8 E9 D7 E7 G9

VDDQ_MMC2_2P8_AP VDD_2P8_AP VDD_VIB_3P0 VDD_3P0_US B_AP

G8 F7 H8 F9

VDD_TOUCH_3P3 VDD_3P3_HRM VDD_IRLED_PROXY _3P3

8-27



Level 3 Repair

8-3-9-1 Microphone Part - Main MIC

Check main microphone function in voice call Handset mode or voice recorder mode

Yes

Check SUB PBA where Main MIC (MIC100) is placed for any damage

No Replace the SUB PBA

Yes

Check sub board connection(HDC8000)

No

Set the HDC8000 connection

Yes

Check the voltage at C121 = 1.8V is placed on SUB

No resolder or replace U8006

※C121

Yes

END

8-28



Level 3 Repair

VBUS_5P0

VDD_1P8_AP

R8020 6 7 0 8 C

2 0 0 8 L

BAT_THM

VDD_1P8_AP

VDD_1P8_AP

R8023

VDD_1P8_AP

VDD_TOUCH_3P3

VRF_FEM_2P8

MAIN_MICBIAS_1P8

HDC8000

R8041

1 1 3 3 5 5 7 7 9 9 11 11 1313 15 15 1717 19 19 21 21 23 23 2525 27 27 29 29 31 31 33 33 35 35 37 37 39 39 41 41 43 43 45 45 47 47 49 4951 51 53 53 5555 57 57 59 59 61 61 6363 65 65 6767 69 69

R8035

EAR_MIC_3.5_N EAR_MIC_3.5_P HP_L_DET R8018 EAR_G_DET EAR_L_DET

R8019

L8004 EAR_OUT_L EAR_OUT_FB EAR_OUT_R

R8024

HP_R_DET

L8005

TSP_TA HALL_INT2 GRIP_SDA_1P8 GRIP_SCL_1P8 BAT_THM TOUCH_SDA_1P8 TOUCH_SCL_1P8 TOUCH_INT

R8028

R

R8031 0 2 0 8 D Z

1 2 0 8 D Z

VDD_3P4_HLDO

MAIN_ANT_SW_CTL0 MAIN_ANT_SW_CTL1 MUIC_ID JTAG_USB_ID MUIC_D_N MUIC_D_P JTAG_MUIC_D_N JTAG_MUIC_D_P

R8021 R8022

R8038

SUB_DET BATT_SUP BATT_NTC

R8025

R8040

MAIN_MIC_DATA MAIN_MIC_FB_GND MAIN_MIC_CLK

HOME_KEY GRIP_INT

5454 56

56 5858 60 60 6262

64

64

6666 68 68 70 70 C C C C N N N N 1 2 3 4 7 7 7 7

ZD8010 C8054

C8053

C8052

C8047

2

2 1 0 8 D 0 Z 3 0 8 R

2 3 0 8

7 3 0 8 R

2 2 4 4 6 6 8 8 10 10 12 12 14 14 16 16 18 18 20 20 22 22 2424 26 26 2828 30 30 32 32 34 34 36 36 38 38 40 40 42 42 44 44 46 46 48 48 50 50 52 52

C8055 8 1 0 8 D Z

9 1 0 8 D Z

5 1 0 8 D Z

6 1 0 8 D Z

7 1 0 8

D Z

7 0 1 0 8 D Z

2

2

1ZD8005

1ZD8006

2

C8049

1

VDD_CODEC_1P2

MAIN_MIC_FB_GND

VDD_CODEC_1P8 R8000 SUB_MIC_FB_GND S HO RT

4 2 1 1 2 2 1 M MH D L L

8 0 0 8 C B8 P1 A5 H3 C14 F14 L14 P13 P4 P10

9 1 0 8 C

0 2 0 8 C

1 2 0 8 C

7 1 0 8 C

2 2 0 8 C

3 2 0 8 C

4 2 0 8 C

5 2 0 8 C

8 2 0 8 C

M4 K4 N4 L4 M7 N8 P8 L7

SPK_I2S_CLK SPK_I2S_SYNC SPK_I2S_IN SPK_I2S_OUT

B14

EAR_ADC_3.5

C3 C4 B2 B1 E2 E1

R8007

MAIN_MIC_CLK MAIN_MIC_DATA

C8038 C8039

SUB_MIC_CLK

R8011

L8006 SUB_MIC_DATA

D3 D4 C2 C1 F1 F2 F3 E3 E4 D2 D1

SUB_MICBIAS_1P8

EAR_OUT_L EAR_OUT_R EAR_OUT_FB

C8044

A3 A2 B4 B3 A4

D7 CP2CA D6 CP2CB D5 CP2VOUT C11 JACKDET1 C12 JACKDET2

IN1ALP IN1ALN_DMICCLK1 IN1RP IN1RN_DMICDAT1 IN1BP IN1BN

B13 HPDETL B12 HPDETR

IN2ALP IN2ALN_DMICCLK2 IN2ARP IN2ARN_DMICDAT2 IN2BLP IN2BLN IN2BR IN3LP IN3LN_DMICCLK3 IN3RP IN3RN_DMICDAT3

A9 HPOUT3L A8 HPOUT3R B9 HPOUT3FB

C8034

C8036 C8037 EAR_L_DET EAR_G_DET HP_L_DET HP_R_DET

RCV_P RCV_N

N1 SPKOUTN N2 SPKOUTP N12 SPKCLK1_GPIO37 M11 SPKDAT1_GPIO39 P11 SPKCLK2_GPIO38 N11 SPKDAT2_GPIO40 K12 MIF1SCLK_GPIO9 L12 MIF1SDA_GPIO10 M10 MIF2SCLK_GPIO11 L9 MIF2SDA_GPIO12 M5 MIF3SCLK_GPIO13 L5 MIF3SDA_GPIO14

MICBIAS1 MICBIAS2 MICBIAS3 MICBIAS4 MICVDD

SPKTST1 SPKTST2 TCK TDI TDO TMS TRST MARK MARK

SPKVDD

G2 G3 H8 J9 H9 J8 G8 1 2

C C C C N N N N D D D D

C C C C C C C C C C C C C C C C C C C C C C C C N N N N N N N N N N N N N N N N N N N N N N N N 4 0 9 0 8 9 0 1 2 4 6 7 8 9 4 7 4 3 3 3 3 3 3 1 1 1 C 1 D D 1 1 1 F F F F F A A B G G H J K L M N P C D E E

C8031

A11 HPOUT2L A10 HPOUT2R B11 HPOUT2FB

A13 HPOUT1L A12 HPOUT1R C13 HPOUT1FB1_MICDET2 P2

GPS_WA GPS_WB C8030

B7 CP1VOUT2P A7C8035 CP1VOUT2N

U8006

MICDET1_HPOUT1FB2

N10 DMICCLK4_GPIO31 M9 DMICDAT4_GPIO32 N9 DMICCLK5_GPIO33 P9 DMICDAT5_GPIO34 L8 DMICCLK6_GPIO35 M8 DMICDAT6_GPIO36 MAIN_MICBIAS_1P8 EAR_MICBIAS_2P8

CODEC_CLK_32K

C8 CP1VOUT1P C7 CP1VOUT1N C8032 B6 CP1C2A A6 C8033 CP1C2B

AIF3BCLK_ G PIO24 AIF3LRCL K_GPIO26 AIF3RXDA T_GPIO25 AIF3TXDAT_ G PIO23 AIF4BCLK_ G PIO28 AIF4LRCL K_GPIO30 AIF4RXDA T_GPIO29 AIF4TXDAT_ G PIO27

CODEC_SPI_SS_N CODEC_SPI_CLK CODEC_SPI_MOSI CODEC_SPI_MISO

CODEC_CLK_24M

D11 GPSWP D12 GPSWN C5 CP1C1A C6 CP1C1B

M12 AIF2BCLK_ G PIO20 L10 AIF2LRCL K_GPIO22 N13 AIF2RXDA T_GPIO21 L11 AIF2TXDAT_ G PIO19

BT_PCM_CLK BT_PCM_SYNC BT_PCM_D_OUT BT_PCM_D_IN

C8012 TP_CODEC_SS TP_CODEC_CLK TP_CODEC_MOSI TP_CODEC_MISO

G9 GPIO1 J7 GPIO2 J4 GPIO3 H7 GPIO4 G6 GPIO5 N5 GPIO6 H6 GPIO7 J6 GPIO8

H13 AIF1BCLK_ G PIO16 H12 AIF1LRCL K_GPIO18 G12 AIF1RXDA T_GPIO17 G11 AIF1TXDAT_ G PIO15

MM_I2S_CLK MM_I2S_SYNC MM_I2S_D_OUT MM_I2S_D_IN

G1 H11 J13 J11 J12 K13 K11 M6 N7 L6 N6

F12 MCLK1 M13 MCLK2

M14 SLIMCLK L13 SLIMDAT

9 2 0 8 C

SPEECH_I2S_BCK SPEECH_I2S_LRCK SPEECH_I2S_D_OUT SPEECH_I2S_D_IN

EAR_MIC_P EAR_MIC_N

VREFC CIF1SS CIF1SCLK CIF1MOSI CIF1MISO CIF2SDA CIF2SCLK C3F1SS CIF3SCLK CIF3MISO CIF3MOSI

E13 LDOENA F13 RESET F11 IRQ

CODEC_RST_N CODEC_IRQ_N

7 2 0 8 C

4 4 2 4 3 5 4 1 1 1 6 7 1 1 1 1 B G H K P P P P D H

N P 1 2 3 3 D D D 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 N N N G G G G G G G G G G G G G G G G P D D D D D D D B B K K A A A A C U U S S P P S S

E14 LDOVOUT J14 DCVDD N14 DCVDD P5 DCVDD G13 FLLVDD

R8005

6 2 0 8 C

CPVDD2 SPKVDD CPVDD1 AVDD1 AVDD2 LDOVDD DBVDD1 DBVDD2 DBVDD3 DBVDD4

1 J

2 1 2 J K K

8-29



Level 3 Repair

8-3-9-2. Microphone Part - Sub(2nd) MIC

Check Sub(2nd) microphone function in voice call loudSPK mode or in camcording mode Yes

Check PCB where Sub MIC is placed for any damage

No Replace the RCV module

Yes

No

Check the voltage at C4102 = 1.8V

resolder or replace U8006

Yes END

SUB_MICBIAS_1P8 HDC4000 1 3 5 7 9 11

SUB_MIC_DATA SUB_MIC_CLK SUB_MIC_FB_GND IR_LED_A

13 15

0 1 0 4 D Z

9 0 0 4 D Z

1 3 5 7 9 11 13 15

2 2 4 4 6 6 8 8 10 10 12 12 14 14 16 16

RCV_P RCV_N

C C C C N N N N 7 8 9 0 1 1 1 2

2 0 1 4 C

8 0 1 4 C 1 0 0 4 V

0 0 0 4 V

8-30



Level 3 Repair

8-3-10. Speaker Part

Check speaker function. Play MP3 with maximum volume level. Yes

No

Check the contact of ANT8000, ANT8001

resolder or replace ANT8000, ANT8001

Yes

Replace the Rear

Yes

END

SPK_OUT_FB_P

ANT8000 U8000

11 22

2

0 0 0 8 D Z

1

SPK_OUT_FB_N

ANT8001

U8001

11 22

SPK_OUT_P

1 1 0 8 C

2

SPK_OUT_N

8 1 0 8 C

1 01 0 8 D Z

8-31



Level 3 Repair

8-3-11. Receiver Part

Check receiver function in voice call receiver mode. Yes

Check RCV module where RCV's placed for any damage

No Replace the RCV module

Yes

No Check the connection of HDC4000

Reconnect HDC4000

Yes

No

Check the signals on

Resolder or replace U8006 V4000, V4001

Yes

END

8-32



Level 3 Repair

SUB_MICBIAS_1P8 HDC4000 1 3 5 7 9 11

SUB_MIC_DATA SUB_MIC_CLK SUB_MIC_FB_GND IR_LED_A

13 15

0 1 0 4 D Z

9 0 0 4 D Z

1 2 2 3 4 4 5 6 6 7 8 8 9 10 10 11 1212 13 14 14 15 16 16 C C C C N N N N 7 8 9 0 1 1 1 2

RCV_P RCV_N

2 0 1 4 C

8 0 1 4 C

1 0 0 4 V

0 0 0 4 V

8-33



Level 3 Repair

8-3-12. BT/WIFI

BT/WiFi is not working

Yes

Check BT or WiFi function ON

No

Enable BT or WiFi Function

Yes Check the Voltage on C4002 = 1.8V

No

Check the U7002(crack, open, damaged, etc.)

Yes

Check the Voltage on C4009 = 1.3V

No

Resolder or change the L4007

Yes

Check the Status of C4000, C4092, C4001, C4093

No

Resolder or change the C4000, C4092, C4001, C4093

No

Resolder or Replace ANT4000, C4011, C4012 ANT4004, C4048, U4004, C4044

Yes

Check the Status of ANT4000, C4011, C4012 ANT4004, C4048, U4004, C4044

Yes

Resolder or Replace U4000

Yes END

8-34



Level 3 Repair

VDD_1P8_AP

F4000

C4000

VBAT

C4092

4

4 6

IN

G G G G 6 5 3 2

3 0 0 4 L

4 0 0 4 L

OUT

C4093 IN

1

NC G G G

5 0 0 4 L

5 3 2

6 0 0 4 L

N _E N N A _E L T WB

5 0 0 4 C

9 0 0 4 C

F4001

C4001

1 OUT

2 0 0 4 C

7 0 0 4 L

ANT4000

4 5 0 0 0 0 4 4 P P T T

GND_SR

1 1

C4011 C4012

ground

O X D L V _L _ IN R V S

VDD_1P8_AP

C4017

PCIE_REFCLK_N

R4003

PCIE_REFCLK_P

4 0 0 4 R PCIE_CLK_REQ_L PCIE_RST_L PCIE_WAKE_L

PCIE_RX_N PCIE_RX_P

5 0 0 4 R

C4018

T P4049 BT_WLAN_CLK_32K

T5

1 2 1 P P Q

1 2 S T

EXT_LPO

R O O S D D_ _L _L T T T A A A B B B V V V

S12 PCIE_RDN R12 PCIE_RDP

PCIE_TX_N PCIE_TX_P

T8 T7

C4021

1 2 5 B A A

NN OO _ _ GG E E RR _ _ L T WB

IO V

1 1 1 E E E RR R OO O CC C _ R M T E E NT F A IL G F 2 T _ X R E E _ T IL IP F D T X E

PCIE_REFCLKN PCIE_REFCLKP

T10 PCIE_TDN T11 PCIE_TDP

C4020

2 1 H H

J1

1 2 2 1 1 1 A B D 0 0 0 E E E R R R O O O C C C _ R M T E E N T F A IL G F 2 T _ X R E E _ T IL IP F D T X E

C4015

FM_RFIN GND BT_PCM_IN BT_PCM_OUT BT_PCM_CLK BT_PCM_SYNC BT_HOST_WAKE BT_DEV_WAKE BT_UART_TXD BT_UART_RXD BT_UART_RTS BT_UART_CTS GPIO_0 GPIO_1 GPIO_2 GPIO_3 GPIO_4 GPIO_5 GPIO_6 GPIO_7 GPIO_11

U4000

P11 PCIE_CLKREQ_L Q11 PERST_L P12 PCIE_PME_L

T P4058

L12 L11 T3

1T 1 RO 0 HS 4 R

FM_AOUT1 FM_AOUT2 JTAG_SEL

D D D D DD D D DD D D D D D D D D D D D DD D D D D D D D D D D D DD D D D D N N N N NN N N NN N N N N N N N N N N N NN N N N N N N N N N N N NN N N N N G GG G GG G G GG G GG G GG G G GG G GG G GG G GG G G GG G GG G GG G 1 3 A A

4 A

6 0 1 A A

2 1 A

2 1 1 B B

1 C

2 C

1 1 2 1 C C

1 1 D

2 1 1 1 E F

2 1 F

1 1 1 1 G H

2 1 H

1 1 J

1 2 K K

1 1 K

2 1 1 K M

1 1 M

2 1 1 N M

2 N

2 Q

2 1 1 R Q

2 2 WLAN_ANT1

1 1 R

2 1 1 S S

1 T

4 6 T T

9 T

2 1 T

K R A M 1

J12 G12 A8 A7 A9 E11 N12 N11 E2 D1 D2 E1 J2 F2 R2

TP4011 TP4012 TP4013 TP4014 TP4016 TP4019

T P4050 T P4051 T P4052 T P4053 T P4048 T P4054

M2 TP4027 L2 T P4055 L1 T P4056 F1 G2 T P4057 G1 TP4032

0 1 1 4 C WIFI_DIRECT

BT_PCM_D_IN BT_PCM_D_OUT BT_PCM_CLK BT_PCM_SYNC BT_HOST_WAKE BT_WAKE BT_UART_RXD BT_UART_TXD BT_UART_CTS BT_UART_RTS WLAN_HOST_WAKE SHUB_WLAN_RXD SHUB_WLAN_WAKE CP_WLAN_WAKE CP_COEX_TXD CP_COEX_RXD WLAN_SHUB_WAKE SHUB_WLAN_TXD WLAN_CP_WAKE

ANT4003 11 22

C4022

C4029

K R A M 2

ground

GND_SR

8-35



Level 3 Repair

8-36



Level 3 Repair

8-3-13. GPS

GPS is not working

Yes

Check GPS function ON

No

Enable GPS Function in the setting.

Yes Check the Antenna connect ANT4004(crack,open,etc)

No

1. Resolder or Replace ANT4004 2. Replace REAR

Yes

Check(crack,open,etc)

No

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

No

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

No

Check PMIC(U7002) (short, open, crack, etc.)

No

Check U4001 (short, open, crack, etc.)

C4048, C4050, L4019, L4024, L4025

Yes Check 19.2MHz Clock at output of OSC4000

Yes Check the voltage on C4058=2.8V

Yes

Check if GPS_EN at C4054 is 1.8V

Yes Resolder or change U4001

END

8-37



Level 3 Repair

VDD_1P8_AP

C4109 VDD_GPS_1P2

L4002

VDD_1P8_AP

SW_DIO SW_CLK

VDD_1P1_SRM

TP4000 TP4001 TP4002 TP4003

6 0 0 4 C

3 0 0 4

7 0 0 4 C

8 0 0 4 C

C

GPS_RF 2 A

SHUB_SPI_CLK SHUB_SPI_SS_N SHUB_SPI_MOSI SHUB_SPI_MISO

F7

TP_SHUB_SSN G7 TP_SHUB_MOSIH7 TP_SHUB_MISOJ7 A7 B7

MCU_AP_INT_1P8 AP_MCU_INT_1P8

VDD_1P8_AP

C7 D7 A6

MCU_HOST_WAKE MCU_HOST_REQ

R4006

B6 C6

R4007

D6

GRIP_INT SHUB_CP_INT IR_LED_EN

E6 F6 G6

6AXIS_INT

H6

SENSOR_SCL_1P8

J6

SENSOR_SDA_1P8

A5

GPS_LNA_EN PROXY_INT SHUB_CP_RXD SHUB_CP_TXD CP_SHUB_INT GRIP_SCL_1P8 GRIP_SDA_1P8 6AXIS_SPI_MISO 6AXIS_SPI_MOSI 6AXIS_SPI_CLK 6AXIS_SPI_NSS

B5

GPIO_00

D5 E5 F5 H5

TP_6AXIS_MISO

F4 B4

TP_6AXIS_CLK

D4 E4

2 P 1 D D V _ A N L _ S S N G

7 E

1 H

J5

F M D R R D E P S V _ _1 _C 8 P D P 1 1 A _ _6 5 D D D D V V _I _I

GNSS_CAL

GPIO_01

GNSS_T CXO

GPIO_02

I_XT AL

GPIO_03

A4

GPS_CLK_26M

A3 E3

GPS_CLK_32K

B1

GPIO_04

GNSS_RFIN

GPIO_05

GNSS_AUX_OUT

GPIO_06

B3

F2

GPIO_07

I_VDDX_5P0_PMU

GPIO_08

I_VDDX_3P3_PMU

GPIO_09

ST ANDBY_N

GPIO_10

O_VDD2_1P1_GBB

GPIO_13

O_VDD3_1P2_GRF

GPIO_14

O_VDD6_1P1_SRM

GPIO_15

O_VDD5_1P8_PERF

GPIO_16

O_VDD5_1P8_AUX

U4001

VDD_GPS_1P2

TP4018

F1

GPS_HUB_EN

C4019

VDD_1P1_SRM

G2

O_VDD1_1P1_CORE

GPIO_12

GPIO_17

D2

E1

O_FILT

GPIO_11

GPIO_18 C5

1 A 2 P 1 D D V _ IF _ S S N G

4

D3 D1

3

VCC OUT

F3 C3 C2

NC 1

VDD_1P8_AP

J1

OSC4000

GND 2

ADC_IN1

GPIO_19

ADC_IN2

GPIO_20

ADC_IN3

GPIO_21

ADC_IN4

GPIO_22

ADC_IN5

GPIO_23

ADC_IN6

GPIO_24

ADC_IN7

GPIO_25

ADC_IN8

GPIO_26

J2 J3

SW_DIO SW_CLK

J4 H3 H4

G4

4 2 0 4 C

5 2 0 4 C

6 2 0 4 C

7 2 0 4 C

8 2 0 4 C

SHUB_WLAN_RXD

ground

SHUB_WLAN_WAKE

G1

GPIO_27

3 2 0 4 C

R4041

R4040

SHUB_WLAN_TXD

G3

T EST _MODE

S S V 4 C

S S S V S V _A _ N F I L _ _ S S S S N N G G

S S V 5 G

1 C

2 B

WLAN_SHUB_WAKE U M F P E _ R S _ S C V D A A 2 E

2 H

K R A M 1

K R A M 2

ground

VDD_2P8_AP

C4044

WLAN_ANT1

L4014

U4004

3 H G I HG

ANT4004

2 2

C4048 5

1 1

COM

6 G 4 G 2

LOW 1

L4015

F4003

GPS_LNA_EN

U4005

L4020

6

C4050

1

IN

OUT G G G NC

4 6

L4019

2 3 5

5 4

1 PON

GND

AI

VCC

GNDRF

AO

C4054

2 3

C4058

L4021 F4005

C4057

L4025 L4024

1

IN

OUT G G G NC

9 2 0 4 L

L4026

4 6

GPS_RF

2 3 5

C4065

8-38



Level 3 Repair

8-39



Level 3 Repair

8-3-14. NFC

NFC is not working

Yes

Check NFC function ON

No

Enable NFC Function

Yes

Check the antenna contact ANT4010, ANT4013 (crack,open,etc)

No

1. Resolder or Replace ANT4010, ANT4013 2. Replace REAR

Yes

Check the Voltage on C4067 = 1.8V

No

Check the U7002(crack, open, damaged, etc.)

Yes Check 26MHz Clock at C4082

No

Check OSC4001

Yes

No

Check the Status of L4031, L4032, C4078, C4089, C4079, C4077, C4083, C4080, C4107, C4103, C4104

Resolder or Replace

4031, L4032, C4078, C4089, C4079, C4077, C4083, C4080, C4107, C4103, C4104

Yes

Resolder or Replace U4012

Yes END

8-40



Level 3 Repair

VDD_NFC_1P8

VDD_2P8_NFC_SIMVCC

VDD_SIM_1P8

C4066

C4069

VDD_ESE_1P8

C4067

C4068

C4070

VBAT

C4071

6 9 0 4 C

6 A

C4074 D D V T E1

T P4037

F7

NFC_EN

3 D D D V P

2 E D D V L L P

1 D D D V D

5 B

RXIN

L1 NSS

C1

C4

F3 IFRX0

SPICLK

IFRX1

SIMVDD1

IFTX0

F6

E4

T P4043 T P4045

TX1 TX2

SWDIO

U4012

SWIO1

XI

TCK

XO

E5 D5

B1

SHORT

B2 A1

F2 F1

C4084

C4090

C4077

NFC_ANT2

A7

C4078

A3

NFC_XO_IN NFC_XO_OUT

A4

C4080

C4079

XSIO XRESET

G1

C4104

G2 GPIO2

XCLK

GPIO3

XRFU0

GPIO4

XRFU1

GPIO5

XRFU2

G3 G4 G5 G6

XRFU3

R4035 R4036 R4037 R4038

L4032

SHORT SHORT SHORT SHORT

ESE_SPI_MOSI ESE_SPI_MISO ESE_SPI_CLK ESE_SPI_CS_N

C4083

NFC_ANT1

C4089

VPP VNN

K R A M

K R A M 2

1

S S V T

S S V

T S T 7 E

3 E

6 B

C4091

ANT4010 NFC_ANT1

1 2

OSC4001

NFC_XO_OUT

4

3

1

2

1

ANT4011 WPC_ANT1

1 2

2

1 2

ANT4012 1 2

1 2

NFC_XO_IN

ANT4013 NFC_ANT2

1 2

1 8 0 4 C

C4107

G7 GPIO0 GPIO1

D6

R4034

C4103 L4031

B7 SIMVDD2_EXT

NFC_FIRM NFC_IRQ

C4076

F5

IFTX1

SIMVDD1_EXT

E6 B4

HRM_SCL_1P8 HRM_SDA_1P8

F4

D2 SIMVDD2

C5

R4031

C6

L2

MI

A2

NFC_SWP

C4075

C7

MO

C3

T P4038 T P4039

D7

NFCPD

B3 C2

C4073

5 A T A B V

D D V A

FILTER

1

ANT4014 WPC_ANT2

1 2

2

1 2

ANT4015 1 2

1 2

2 8 0 4 C

8-41



Level 3 Repair

8-3-15. Display

LCD is still off after PWR ON

Yes Check the connection of HDC 9002

No

Reconnect the HDC9002

Yes Check VDD_3P0_DDI=3.0V(C9017), VDD_1P6_DDR=1.6V(C9022)

No

Check DISP_TE(R9012)

No

Resolder or Replace the PMIC(U7001)

Check MIPI CM Filter (open,short,crack etc) (F9003,F9004,F9005,F9006,F9007)

Yes

Check ELVDD_4.6V=4.6V(C9019) ELVSS_-4P4=-1.4~-5.4V(C9016) ELAVDD_7.0V=5.8~7.9V(C9020)

No

Resolder or Replace the DCDC(U9002)

Yes Replace LCD Module

Yes END

8-42



Level 3 Repair

VDD_1P8_DDI VDD_3P0_DDI VDD_T SP_3P3 ELAVDD_7P0 VDD_T SP_1P8

ELAVDD_7P0

ELVDD_4P6 VDD_1P6_DDR ELVSS_- 4P4

VBAT HDC9002

R9009

PLCD_MIPI_D3_N

I|O

PLCD_MIPI_D3_P

I|O

6 D N G

5 D N G

3

1

4

2

1 1 3 3 5 5 7 7 9 9 1111 13 13 15 15 1717 19 19 21 21 23 23 25 25 27 27 29 29 3131 33 33 35 35 37 37 39 39 41 41 43 43 45 45 47 47 49 49 51 51 53 53 55 55 57 57 59 59

I|O I|O

F9003

PLCD_MIPI_D0_N

I|O

PLCD_MIPI_D0_P

I|O

6 D N G

5 D N G

3

1

4

2

2 2 4 4 6 6 8 8 10 10 12 12 14 14 16 16 18 18 20 20 22 22 24 24 2626 2828 30 30 32 32 34 34 36 36 38 38 40 40 4242 4444 4646 48 48 50 50 5252 5454 5656 5858 60 60

L9001

PCD_INT

ELVDD_4P6

ELVSS_-4P4 C9024

6 2 0 9 C

EL_ON2 EL_ON1 DISP_T E FG_ERR DISP_RST _N

R9012

3 0 0 9 U

C9025

7 2 0 9 C 3 0 0 9 L

L9004

16

17

2 3 4

T SP_SDA_1P8 T SP_SCL_1P8 T SP_INT

15

14

13

2 D N G P

3 X L

N I V A

D N G 1

T SP_T A

LX1

C9028

3 O V PVIN

U9002

PGND1

LX2

VO1

VO2

FBS

5

6

3 O _V N E

D N G A

T C

D F C9031

CC C C NN N N 1 6 2 6 3 6 4 6

I|O I|O

VBAT

2 0 0 9 L

7

CT RL

11

L9005

C9029

12

L9006

10 9

EL_ON2

8

C9030

EL_ON1

F9004

PLCD_MIPI_CLK_N

I|O

PLCD_MIPI_CLK_P

I|O

6 D N G

C9016

5 D N G

3

1

4

2

C9019

C9017

C9020

C9021

C9022

C9018 C9023

I|O I|O

F9005

PLCD_MIPI_D1_N

I|O

PLCD_MIPI_D1_P

I|O

6 D N G

5 D N G

3

1

4

2

I|O I|O

F9006

PLCD_MIPI_D2_N

I|O

PLCD_MIPI_D2_P

I|O

6 D N G 3

VREG_BUCKBOOST

5 D N G

C7000

VDD_2P0_MLDO 1

I|O C7001

VDD_1P3_LLDO 4

2

VBAT

I|O VBAT

F9007 5 0 0 7 C

VBAT

6 0 0 7 C

VDD_1P0_COMP_RET C7007

VDD_CAM_1P0_D

R7007

9 H

6 F

F4

SUB_PMIC_SCL_1P8 SUB_PMIC_SDA_1P8

F5

1 B IN V

1 2 B B _ _ D D N N G G

9 1 J E 1 B IN V

3 E

2 B IN V

1 L N I V

VDD_1P0_COMP_CORE

6 C

5 4 C E

2 L N I V

3 4 L L N I N I V V

5 L N I V

8 F 6 L N I V

9 F B B N I V

2 H

5 J

DISP_1P6_EN

G2 D7 E7 B7 G5

CAM_FLASH_EN IRDA_CTL CAM_TORCH_EN IR_LED_EN

H6 G1 H4

H8 J8

S CL

VL D O 2

SD A

VL D O 3 VL D O 4 VL D O 5

I CE N B UCK 1E N B UCK 2E N BBEN

FL AS H2O N

G8

L7007

VDD_0P8_COMP_CORE

A3

VL D O 14 VL D O 15

TO RCH2O N

VL D O 16 VL D O 18

RS N_FB 1

S WA

RS P _FB 1

S WA

S W2 FB 2

S WB

S WB

VI NB

A8 A9

VB B

VO UTF

VB B

VO UTF FB F

A7

A2 B5 B3 B4 C4 C3 B2 D4 D3 D6

VRE F

F1 E2

VREG_BUCKBOOST

D2 A6

VL D O 8 VL D O 9

VL D O 12 VL D O 13

TO RCH1O N

S W1

C1

A5 A4

VL D O 11

U7001

FL AS H1O N

C2 A1

VL D O 7

VL D O 10

L D O 1E N L D O 18E N

S W1 G7

VDD_2P9_VT_A

D1 VL D O 1

VL D O 17

L7004

VDD_OIS_VM_2P8

VDD_1P8_COMP_A

VDD_TSP_3P3

1 2 F F N I N I V V

VL D O 6

C7021

VDD_1P2_VT_D

5 H

I RQ B G9 E5

VDD_1P8_DDI

VDD_3P0_DDI VDD_0P9_COMP_NORET

2 J F F W W S S

B B N I V

VDD_1P8_VT_IO

VDD_IRLED_PROXY_3P3

0 0 0 7 L 1 6 B B

F7

SUB_PMIC_IRQ_N

VDD_OIS_2P8

C7008

R7005

T A B V

VDD_1P6_DDR

VDD_CAM_2P8_AF

VDD_CAM_2P9_A

VDD_CAM_1P8_IO

VINB

2 0 0 7 C

R7006

VDD_1P8_COMP_IO

GND_BB

VDD_1P8_AP

FB B B

E8

VBAT

E9 B8

L7006

B9

G4 H3 J3 G3

3 2 0 7

VINB

C

4 4 0 7 C

C7045

4 2 0 7 C

8 5 1 7 C

9 5 1 7 C

6 2 0 7 C

7 2 0 7 C

8 2 0 7 C

9 2 0 7 C

0 3 07 C

1 3 0 7 C

2 3 0 7 C

3 3 0 7 C

4 3 0 7 C

5 3 0 7 C

6 3 0 7 C

7 3 0 7 C

8 3 0 7 C

9 3 0 7 C

C7042

J4

D N G A

D N G A

D D N N G G A A

7 6 C E

6 G

1 1 B B D D N N G G

D N G A

2 B D N G

B B A A D D N N G G

B B D N G

9 D

8 9 C C

B B D N G

LED 1

F D N G

F D N G

LED 2

J6

1

2

LED7000

C7047 C7049 C7046

3 F

5 D

7 H

J7

2 F

8 D

1 H

J1

IR_LED_A

C9032

C9011

1 2 B B _ _ D D N N G G

B B _ D N G

F _ D N G

F _ D N G

GH81-10952A

8-43



Level 3 Repair

8-3-16. 16M CAM "Camera" function does not work Yes

No

Check the Camera connector on Main PBA


Abnormal Resolder U7001 Resolder U7001

Check the voltage C7158 = 1.0V, C7029 = 1.8V C9011 = 2.8V C7034 = 2.8V

No

Resolder U7001 Resolder U7001 Resolder U7001 Resolder U7001 Replace the PBA

Yes

No

Check MAIN_CAM_MCLK is 24MHz(R9004)

Replace the PBA.

Yes

Resolder U7001 Check the voltage C9004 = 0.675~0.825V, C9002 = 1.0V C9000 = 1.8V

No

Resolder U7001 Resolder U7001 Resolder U7001 Replace the U9000

Yes

Resolder F9008, F9009, F9010, F9011, F9012

Yes

Replace the camera module

Yes

END

8-44



Level 3 Repair

VDD_1P8_COMP_A

VDD_1P0_COMP_RET VDD_1P0_COMP_CORE

2 0 0 9 C

VDD_0P8_COMP_CORE

5 0 0 9 C

4 0 0 9 C

VDD_0P9_COMP_NORET

VDD_1P8_COMP_IO

0 0 09 C

1 0 0 9 C

6 0 09 C

3 0 0 9 C

VDD_CAM_1P0_D

C9007 VDD_CAM_1P8_IO 2 3 C D

VDD_CAM_2P9_A

VDD_CAM_2P8_AF VDD_OIS_2P8

G 10 F9

VDD_OIS_VM_2P8

E 10

L9000

F10 D8 D 10

HDC9000

C10 D9

2 2 11 44 33 66 55 88 7 7 10 10 99 12 12 11 11 13 13 14 14 15 15 16 16 17 17 18 18 19 19 20 20 21 21 22 22 23 23 24 24 25 25 26 26 27 27 28 28 29 29 30 30 31 31 32 32 33 33 34 34 35 35 36 36 NC NC NC NC 40 39 3837

CAM_SENSOR_DET AGND_CAM CAM_RST_N CAM_SCL_1P8 CAM_SDA_1P8 OIS_AF_SCL_1P8 OIS_AF_SDA_1P8

FROM_SPI_MISO FROM_SPI_MOSI FROM_SPI_CLK FROM_SPI_SS_N

2

2

2

2

2

B 10 C9

CAM_MIPI_D3_P_F CAM_MIPI_D3_N_F CAM_MIPI_D2_P_F CAM_MIPI_D2_N_F

1000

9 D Z

1 001

9 D Z

1 002

9 D Z

5 0 0 9 D Z

1 003

9 D Z

K7 K 10

J 10 H10 H9

COMP_PAF_INT

TP9002

CAM_MIPI_D1_P_F CAM_MIPI_D1_N_F

5 H

V V 0 1 8 1 D D D D V V _ _ S S

2 D

4 D

6 D

5 E

7 E

8 E

4 F

6 F

5 G

7 7 G H

3 C

8 B

3 E

8 F

F9009

CAM_MCLK

PGND_CAM CAM_MIPI_CLK_N_CON

F9008

I|O 4 I|O

1 I|O

3

2 D N G 5

C9012

D N G

I|O

CAM_MIPI_CLK_N_F CAM_MIPI_CLK_P_F

CAM_MIPI_D1_N_CON I|O 4 CAM_MIPI_D1_P_CON I|O

1 I|O

3

2 D N G

6

5

D N G 6

CAM_MIPI_D1_N_F

I|O

B9 A10

TP9003 TP9004 TP9005 TP9006

B6 A7 C7 B7 G9

G8

CAM_MIPI_D1_P_F

TP_COMP_MCLK COMP_MCLK

1004

J7

CAM_MIPI_D0_N_CON

I|O 4

CAM_MIPI_D0_P_CON

I|O

2 D N G 5

D N G

I|O

CAM_MIPI_D0_N_F

CAM_MIPI_D2_N_CON I|O 4

CAM_MIPI_D0_P_F

CAM_MIPI_D2_P_CON I|O

2 D N G

6

5

CAM_MIPI_D2_N_F

I|O

CAM_MIPI_D2_P_F

1 I|O

CAM_MIPI_D3_N_F

D N G 6

8 J

2 F

6 H

M_DNDATA0 M_DNDATA1 M_DNDATA2 M_DNDATA3

D6 D7

M_DP CLK M_DP DATA0 M_DP DATA1 M_DP DATA2

K8 B3 B1 A2 A4 A5 A3 A1

TP9000

B2 B4 B5

M_DP DATA3 D4_DNDATA2 FS O URCE

P CLK

S 2_DNCLK S 2_DP CLK S 4_DNCLK S 4_DP CLK

HIIC_ID

G2 G1 J4 K4

J1

HIIC_S CK HIIC_S DA

S 2_DNDATA0 S 2_DNDATA1

HS P I_S CK

S 2_DP DATA0

HS P I_S DI HS P I_S DO

S 2_DP DATA1 S 4_DNDATA0

HS P I_XCE

S 4_DNDATA1

HS YNC

S 4_DNDATA3 S 4_DP DATA0

JTAG _EN

S 4_DP DATA1 S 4_DP DATA2

H1 K1 H2 J6 J5 K2 K6 K5 J3 J2

S 4_DP DATA3

MS P I_CLK

TS T

MS P I_CS MS P I_DI

VS YNC

8 C

S S V 1 D

5 D

S S S S V V 7 D

S S V 1 E

S S S S S S V V V 4 6 E E

3 F

S S V 5 F

3 G

TP9001

COMP_RST_N VTCAM_MIPI_CLK_N_CON VTCAM_MIPI_CLK_P_CON CAM_MIPI_CLK_N_CON CAM_MIPI_CLK_P_CON VTCAM_MIPI_D0_N_CON VTCAM_MIPI_D1_N_CON VTCAM_MIPI_D0_P_CON VTCAM_MIPI_D1_P_CON CAM_MIPI_D0_N_CON CAM_MIPI_D1_N_CON CAM_MIPI_D3_N_CON CAM_MIPI_D0_P_CON CAM_MIPI_D1_P_CON CAM_MIPI_D2_P_CON CAM_MIPI_D3_P_CON

A6

F7

K K R R A A M M

S S S S V V 6 G

CAM_MIPI_CLK_N CAM_MIPI_D0_N CAM_MIPI_D1_N CAM_MIPI_D2_N CAM_MIPI_D3_N CAM_MIPI_CLK_P CAM_MIPI_D0_P CAM_MIPI_D1_P CAM_MIPI_D2_P CAM_MIPI_D3_P

E9 F1

RS TN

U9000

G P IO _1 G P IO _2 G P IO _3

S S V

1 I|O

3

9 2 A E

D8

F9010 1 I|O

3

4 H

D3 D4

MCLK

J9

F9011

AGND_CAM

8 5 H C

D5

C6

K9

9 D Z

4 G

L V V V V V V V V V V V B D D D D D D D D D D V L 8 8 8 9 D D D D D D D D D D 8 P 0 9 0 9 0 9 0 9 0 0 1 0 1 1 1 1 0 1 B V V V V V V V V V V 1 _ _ _ _ _ _ _ _ _ _ _ _ _ A _ A V C C C C C H H O I O I O I R D D 8 D D D D D D D D D D D D D 1 D D D D D D D D D D V V _ A V V V V V V V D V V V V D MS P I_DO D V M_DNCLK

D2

A8

CAM_SCL_1P8 CAM_SDA_1P8 COMP_SPI_CLK COMP_SPI_MOSI COMP_SPI_MISO COMP_SPI_SS_N

CAM_MIPI_D0_P_F CAM_MIPI_D0_N_F

C9032

V V V V 4 0 1 0 1 8 1 P 0 D D D _ D D D V V V G _ _ _ E M M M R V _ M

3 H

G INT

CAM_MIPI_CLK_P_F CAM_MIPI_CLK_N_F

CAM_MIPI_CLK_P_CON

C9011

4 C

D9 K3

CAM_MIPI_D2_N_CON

R9004 S HO RT

D0 D1

1 C

1

2

F9012 CAM_MIPI_D3_N_CON I|O 4 CAM_MIPI_D3_P_CON I|O

3

2 D N G 5

D N G 6

I|O

CAM_MIPI_D3_P_F

VREG_BUCKBOOST C7000

VDD_2P0_MLDO

C7001

VDD_1P3_LLDO VBAT VBAT

5 0 0 7 C

VBAT

6 0 0 7 C

VDD_1P0_COMP_RET C7007

VDD_1P8_COMP_IO

VDD_CAM_1P0_D

R7007

VDD_1P0_COMP_CORE

1 2 B B _ _ D D N N G G 6 F

R7005

F4

SUB_PMIC_SCL_1P8 SUB_PMIC_SDA_1P8

F5

9 H

1 9 J E 1 B N I V

1 B IN V

3 E 1 L IN V

2 B N I V

1 6 B B

6 C

5 4 C E

2 L IN V

3 4 L L IN IN V V

5 L IN V

8 F 6 L IN V

9 F B B N I V

2 H

2 J

5 J

D7 E7 B7 G5

CAM_FLASH_EN IRDA_CTL

H6 G1

CAM_TORCH_EN IR_LED_EN

H4

H8 J8

G7

VL D O 4 VL D O 5

G8

L7007

VDD_0P8_COMP_CORE

I CE N

VL D O 7

B UCK 1E N

VL D O 8

B UCK 2E N

VL D O 9

BBEN

VL D O 10

L D O 1E N

VL D O 11

L D O 18E N

VL D O 12

U7001

FL AS H1O N FL AS H2O N

VL D O 13 VL D O 14

TO RCH1O N

VL D O 15

TO RCH2O N

VL D O 16

S W1

VL D O 18

S W1

VRE F

RS N_FB 1

S WA

RS P _FB 1

S WA

S W2

S WB

S WB

F1 E2

VREG_BUCKBOOST

VI NB VB B

VO UTF

VB B

VO UTF FB F

A7

FB B B

C1 D2 A6 A5 A4 A3 A2 B5 B3 B4 C4 C3 B2 D4 D3 D6

E8

VBAT

E9 B8

L7006

B9

3 2 0 7 C

G4 H3 J3 G3

VINB

4 4 0 7 C

C7045

4 2 0 7 C

8 5 1 7 C

9 5 1 7 C

6 2 0 7 C

7 2 0 7 C

8 2 0 7 C

9 2 0 7 C

0 3 0 7 C

1 3 0 7 C

2 3 0 7 C

3 3 0 7 C

4 3 0 7 C

5 3 0 7 C

6 3 0 7 C

7 3 0 7 C

8 3 0 7 C

9 3 0 7 C

C7042

J4 LED 1

D N G A

C7049 C7046

C2 A1

FB 2

A8 A9

VDD_2P9_VT_A VDD_TSP_3P3

VL D O 2 VL D O 3

VL D O 17

L7004

C7021

VDD_OIS_VM_2P8

VDD_1P8_COMP_A

D1 VL D O 1

S CL SD A

VL D O 6

G2

VDD_1P2_VT_D

5 H 1 2 F F IN IN V V

I RQ B G9 E5

DISP_1P6_EN

VDD_1P8_DDI

VDD_3P0_DDI VDD_0P9_COMP_NORET

F F W W S S

B B N I V

VDD_1P8_VT_IO

VDD_IRLED_PROXY_3P3

0 0 0 7 L

F7

SUB_PMIC_IRQ_N

VDD_OIS_2P8

C7008

T A B V

VDD_1P6_DDR

VDD_CAM_2P9_A

VDD_CAM_1P8_IO

VINB

2 0 0 7 C

R7006

VDD_CAM_2P8_AF

GND_BB

VDD_1P8_AP

D N G A

D D N N G G A A

7 6 C E

6 G

1 1 B B D D N N G G

D N G A

2 B D N G

B B A A D D N N G G

B B D N G

9 D

8 9 C C

B B D N G

F D N G

LED 2

F D N G

J6

1

2

LED7000

C7047 3 F

5 D

7 H

7 J

2 F

8 D

1 H

1 J

IR_LED_A

1 B _ D N G

2 B _ D N G

B B _ D N

G

F _ D N G

F _ D N G

8-45



Level 3 Repair

8-3-17. 5M CAM "Camera" function does not work Yes

No

Check the Camera connector on Main PBA


Yes

Resolder U7001

Check the voltage C9008 = 1.2V, C7028 = 1.8V C9010 or C9033 = 2.9V

No

Resolder U7001 Resolder U7001 Replace the PBA

Yes

No

Check VTCAM_MCLK is 24MHz(R9003)

Replace the PBA.

Yes

Resolder U7001

Check the voltage C9004 = 0.675~0.825V, C9002 = 1.0V C9000 = 1.8V

No

Resolder U7001 Resolder U7001 Replace the U9000

Yes

Replace the camera module

Yes

END

8-46



Level 3 Repair

8-47



Level 3 Repair

8-3-18. TSP

Touch Screen does not work

Yes

No

Check TSP Connector on Main PBA


Yes

Check the TSP VDD_1.8V(C911), TSP_AVDD_3.3V(C922)

No

Resolder or Replace 1.8V => U7003 3.3V => U7006

Yes

Replace LCD Module

Yes

END

8-48



Level 3 Repair

8-49



Level 3 Repair

8-3-19. Motor

Motor does not work

Yes

No

Check the Clip on Main PBA. ANT7002 and ANT7003

Resolder: ANT7002, ANT7003

Yes

No

Check the C7131, C7154 = 3.0V

Resolder : C7131, C7154 Resolder : U7002

Yes

No

Check L7021, L7022 is OK.

Resolder L7021, L7022 Resolder : U7015

Yes

Replace Motor or PBA

Yes

END

8-50



Level 3 Repair

UR2

H8 J8

WCIN

E9

WCIN G5 G6

C7120

C 1 0 0 7 D Z

C7118

SL1 SR2

6 9 1 7 5 9 1 7 C

C7121

H4 H7

C7119

J4

U7009

H2 H3 J2 J3

BST

G1 H1

VDD_1P8_AP

J1

VBAT

BYP COMN1

BYP

COMP2

E2 E3 F1 F2

R7020 R7022

C7126 SHORT

BYP

UID IDB

CHGLX

JIG

E6 F6

CHG_DET VDD_VIB_3P0

WCINOKB AP_USB_VBUS_4P9

CHGLX

ADN1

CHGLX

ADP2

CHGPG

AUR2

CHGPG

AUT1

G7

J9

VDD_1P8_AP

LED1 LED2

SYS

LED3

SYS

MOTOR_N MOTOR_P

H11

R7029

H9

VIB_PWM

C7133

VDD_1P8_AP

G8

E7 D7

IF_PMIC_SDA_1P8

D6

IF_PMIC_SCL_1P8

VCCTEST

DETBATB

THM

INOKB

THMB CHGRGSUB

SAFEOUT1

PVL

NPOWER

B4 B2

CHG_INT WRSTB_OUT

B5

D10

E10 F11

G11 G10 F9 F10 G9

C7125

A7

VDD_VIB_3P0

B1 A2 G2 G3

C7127

G4

SAFEOUT2

IN_MOT

SYS_A SYS_A

MDN

A4 B3

E8

MDP

SYS_Q

MGAIN

TEST1

MPWM

TEST2

VIO

TEST3 TEST4

SDA

TEST5

A6 C5 C4 B7 C6 C7

TEST6

C7154

SCL NC

B6

C9 B8

D11

A3 VBFG

AVL

H10

GNDM R7033

LED0

SYS SYS

BST J7

C7130

C7131

LEDVCC

U7015

SYS

WCINOKB

C7128

A10

CHGLX

F5 F7

B11

BYP

CHGPG E1

PM_SYS_PWR U7011

D9

C11

BYP

MRST1B

NC

MRST2B

NC

A1 A11 J11

INTB RESETB

MARK A _ D N G 5 A

A _ D N G 3 D

A _ D N G 4 D

5 D

A A _ _ D D N N G G 5 E

A _ D N G 4 F

D D _ _ D D N N G G 8 A

3 C

Q _ D N G 8 F

M D N G

MARK

1 2

0 1 J

C7138

M D N G

ANT7003

ANT7002 11 2

L7021

2

MOTOR_P

2

3 0 0 7 D Z

L7022

11

MOTOR_N

2

2 0 0 7 D Z

8-51



Level 3 Repair

8-3-20. WCDMA 1 / LTE 1 Rx NORMAL CONDITION catch the channel? NO Check RFS1001 ≤ -65dBm

YES

CHECK soldered RFS1001

NO Check C1019 ≥ -65dBm ?

NO

Resolder or change C1019

YES Check component soldering status OK at F1002

NO

Resolder or change F1002

YES

Check C1016 ≥ -65dBm

NO


YES Check component soldering status OK at U1002

NO

Resolder or change U1002

YES

Check the voltage at C2025 = 1.2V & C2028 = 1.8V & C2039 = 1.2V

NO


YES Receiver is O.K?

NO

Resolder or change UCP3002

END

8-52



Level 3 Repair

8-54



Level 3 Repair

8-3-21. GSM1900 / WCDMA 2 / LTE 2 Rx NORMAL CONDITION catch the channel? NO Check RFS1001 ≤ -65dBm

YES



NO



NO


YES


NO



NO


YES Check C1058 ≥ - 65dBm

NO


YES Check L1017 ≥ -65dBm

NO

Resolder or change L1017

YES


NO



NO


END

8-55



Level 3 Repair

8-57



Level 3 Repair

8-3-22. GSM1800 / LTE 3 Rx NORMAL CONDITION catch the channel? NO Check RFS1001 ≤ -65dBm

YES



NO



NO


YES


NO



NO



NO



NO


YES


NO



NO


END

8-58



Level 3 Repair

8-60



Level 3 Repair

8-3-23. LTE 4 RX NORMAL CONDITION catch the channel? NO Check RFS1001 ≤ -65dBm

YES



NO



NO


YES


NO



NO



NO



NO


YES


NO



NO


END

8-61



Level 3 Repair

8-63



Level 3 Repair

8-3-24. GSM850 / WCDMA 5 / LTE 5, 18, 19, 26 Rx NORMAL CONDITION catch the channel? NO Check RFS1001 ≤ -65dBm

YES



NO



NO


YES


NO



NO



NO



NO


YES


NO



NO


END

8-64



Level 3 Repair

8-66



Level 3 Repair

8-3-25. GSM900 / WCDMA 8 / LTE 8 Rx NORMAL CONDITION catch the channel? NO Check RFS1001 ≤ -65dBm

YES



NO



NO


YES


NO



NO



NO



NO


YES


NO



NO


END

8-67



Level 3 Repair

8-69



Level 3 Repair

8-3-26. LTE 12, 17 RX NORMAL CONDITION catch the channel? NO Check RFS1001 ≤ -65dBm

YES



NO



NO


YES


NO



NO



NO



NO


YES


NO



NO


END

8-70



Level 3 Repair

8-72



Level 3 Repair


YES



NO



NO


YES


NO



NO



NO



NO


YES


NO



NO


END

8-73



Level 3 Repair

8-75



Level 3 Repair


YES



NO


YES Check component soldering status OK at CPL1000

NO

Resolder or change CPL1000

YES


NO


YES Check component soldering status OK at PAM1000

NO

Resolder or change PAM1000

YES


NO



NO


END

8-76



Level 3 Repair

8-78



Level 3 Repair


YES


NO


NO


NO Check C1009 ≥ -65dBm ? YES Check component soldering status OK at CPL1000 YES

Check L1044 ≥ -65dBm

NO


YES

Check F1006 ≥ -65dBm

NO


YES

Check component soldering status OK at

NO


PAM1001 YES


NO Resolder or change U2001

YES NO


Receiver is O.K?

END

8-79



Level 3 Repair

8-81



Level 3 Repair

8-3-30. WCDMA 1, 2, 3, 4 / LTE 1, 2, 3, 4 TX

Check RFS1001 : About 23dBm?

NO

Resolder or change RFS1001

YES

Check C1019 at

NO

: About 23dBm ?


YES Check F1002 Solder State

NO


YES

Check C1016

NO Resolder or change C1016

: About 23dBm ?

YES

Check component soldering status OK at U1002

NO


YES Check C1055 : About 0dBm

NO


YES


NO


YES Resolder or change UCP3002

END

8-82



Level 3 Repair

8-84



Level 3 Repair

8-3-31. GSM1800, 1900 TX


NO


YES

Check C1019 at

NO

: About 29dBm ?



NO


YES

Check C1016


: About 29dBm ?

YES


NO



NO


YES


NO



END

8-85



Level 3 Repair

8-87



Level 3 Repair

8-3-32. LTE 12, 17 TX


NO


YES

Check C1019 at

NO

: About 23dBm ?



NO


YES

Check C1027


: About 23dBm ?

YES


NO



NO

Resolder or change C1002, C1003

YES


NO



END

8-88



Level 3 Repair

8-90



Level 3 Repair

8-3-33. GSM850, 900 TX


NO


YES

Check C1019 at

NO

: About 32dBm ?



NO


YES

Check C1027


: About 32dBm ?

YES


NO



NO


YES


NO



END

8-91



Level 3 Repair

8-93



Level 3 Repair

8-3-34. LTE 5, 8, 18, 19, 26, 28 TX


NO


YES

Check C1019 at

NO

: About 23dBm ?



NO


YES

Check C1027


: About 23dBm ?

YES


NO



NO


YES


NO



END

8-94



Level 3 Repair

8-96



Level 3 Repair

8-3-35. LTE 7 TX


NO


YES

Check C1109 at

NO


: About 23dBm ?

YES Check CPL1000 Solder State

NO


YES

Check C1023


: About 23dBm ?

YES

Check component soldering status OK at PAM1000

NO



NO


YES


NO



END

8-97



Level 3 Repair

8-99



Level 3 Repair

8-3-36. LTE 40 TX NORMAL CONDITION catch the channel? NO Check RFS1003 ≤ -65dBm

YES



NO


YES Check component soldering status OK at CPL1000

NO


YES

Check L1044 ≥ -65dBm

NO


YES

Check F1006 ≥ -65dBm

NO


YES

Check component

NO


soldering status OK at PAM1001

YES


NO Resolder or change U2001

YES NO Receiver is O.K?


END

8-100



Level 3 Repair

8-102



Level 3 Repair

8-4. Service Schematics

- NC Point(Top View) UCP5000 (AP) NC : AT12

8-103



Sm g920i Tshoo 7 Samsumg

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