Samsung SM-G935A Service Manual - TSHOO-7
8. Level 3 Repair
8-1. Components Layout
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
8-2. Block Diagram
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
8-3. PCB Diagrams
8-3-1. Top
BOTHHOLE6002
BOTHHOLE6001
C4058
HDC9001
C9010 C9011
C9085
C9086 C9087
L9015
C7050
C6055
R5042
SC3006
R5026 R5027
L2052
L2023
C2063
L2035
L2046
C2031
C2059
U2013
C2024
L2011
C2034
C2032
U2003
C2026
C1146
L1103
C1056
SC3001
L1104
C1008
U1002
L1105L1106
L1107
C1147
L1108
F1005
C1047
LNA1000
L1033
C1049
U1000
L1010
RFS1000
L4004
L4005
C4033
V6001
R9008
C4035
U4007
C4036
ANT2005
C2073 C2074
L2030
L2031
L2057
U4018
L4006
C4044
L4007
TP_COMP_MCLK
C9009
C9014 C9015
SC3003
TP9001
TP9002
TP9006
TP9007
R7021
R7025
R7024
C9088
R5008
L9014
R5006
R9000
C8047
R8016
TR9000
R9003
C8050
R9004
CN8002
R7008
L7008
C7065
L7006
L7004
C7068
L7009
C6074
C7052
C6041
C6061
C6042
C6062
C6067
C6001
C6049
C6024
C6038
C6052
C5008
R5050
C5007
R7011
C6047
C6054
R5043
C5009
C7075
C6013
C6023
C6015
C6091
C6017
C2121 C2122 C2123
C2070
C2069
U2006
R2001
C2065
C2083
C2085
L2008
F2009
L2019
C2097
L2018
C2084
C2037
C2038
C2021
C2020
C2027
C2029
C2025
C2019
L1035
L1036
C1052
LNA1001
TP1001
C1055
L1034
L1037
L1026
L1100
L1030
C1039
C1145
DUP1000
L1032
C1048
U1013
L1027
L1028
C1151
L1031
C4028
L8007
L9016
C8061
C9089
U4005
U8004
C8060
C4059 C4060
CN1000
ANT8000
ZD9017
ZD9018
C4034
R9033
R9034
C4032
ZD4006
ZD44005
L2001
F2010
C9026
TP9000
C9008
C9012
C9013
C7133
C7103
C7101
C9033
C9036
L9006
L9008
C7056
C7010
C7008
C7022
C7027
C7032
U7003
C7021
C7054
C7070
C7047
C7012 C7016 C7017 C7018
L7014
C6068
C6010
C6009
C6007
C6008
C6066
C6065
C6070
L2024
C2061
C2067
C2036
U1007
C1113
R1019
R1017
R1018
C2022
F1011
U1006
C2017
C1114
L1047
C1115
C2000
L1017
C1026
L1014
C1023
C1134
C1024
L1109
R4030
R4029
L1091
L1041
C1031
TP_FM_SLEEP_CLK
ANT8003
ZD9014ZD9015
R9024
R9023
HDC4000
C4054
C4031
L7017
L9007
OSC7000
R7009
C2124C2125C2126C2127
L2032
R4019
C9023
C7136
C7094
L7018
C9039
C7059
C6076
C6011
L2037
F2006
C2023
C2028
C2005
C2002
C2015
C2014
C2010
C2016
F1004
L1023
C1035
C8039
ZD8000 ZD8003
C4027
R7044
R5015R5017
U9005
C9029
L7020
C9028
C9027
C7051
C7079
L7013
C6044
C6039
C7041
C6092
C6048
C6021
C6000
C6056
C6058
C6045
C6043
L7021
F1010
C1033
C1040
L1025
C1034
L1020
L1024
C9052
L1046
L1044
C1063
RFS1004
RFS1001
C8049
L8011
L8008
ZD4001
C4051 C4052
ZD4000
C4064
ZD4003
HDC9000
ZD9000
ZD9003
C9007
C9000
C9072
C4056
C4040
R5028
R5030
TP9005
C9084
C7120
C9016
U7009
C7096
C7118
L9010
C9031
U9004
C9035
L9009
TP5006
C7061
C7045
C7080
C7053
C7063
C7060
C7048
L7012
C6040
C6057
C7152
R7035R7036
C7153
C6051
R6003
C6072
C6059
TP7002
C6071
C5000
TP_7000
C6077
C7145
C7117
F2005
U2010
L2045
L2047
L2044
L2033
C2088 C2089
U2004
L1110 L1111
L1029
C1020
C9053 C9054
U1003
C1150
L1048
F1007
TP1007
TP1010
R4020
C4030
C4063
ZD4002
ZD4004
TP_GYRO_INT
U4011
R7045
U7002
R5004
C9018
C9024
C9017
C7129
C7125
C7121
C7119
C7095
C9032
C7055
C7044
L7011
C6097
C6003
C6002
C6093
C6073
U7012
U1008
L1053
L1049
C4029
R4018
L3008
MIC8000
ANT2004
C2003
L8014
ZD8005
ZD8004
C2006
BOTHHOLE90001
C8057
U2000
R8022
ZD2000
C2098
C2099
C2004
R2003
R2004
C8056
C8058
L8013
RFS2001
C9069 C9070
C9073
ZD9001 ZD9002
L9005
C9071
C9001
C9002
C9005 C9006
V9006
C9003
L9000
R5010
R5013
C7122
TP_6AXIS_SPI_MISO
TP_6AXIS_SPI_MOSI
TP_6AXIS_SPI_CLK
TP_6AXIS_SPI_NSS
HDC7000
R7002
D7003
R5001
TA7002
D7004
R7013 R7014
L2004
C7147
C7069
C7148
C2033
U5001
C5014
R5031
RFS2000
BOTHHOLE6004
C7088
CN1002
C7123
C7173
C7137
C7124
C7135
C7131
L7019
C7128
C7082
C9041
R9006
C9034
R9007
C9037C9038
C9030
C9040
L9011
CN1004
L7007
C7067
C7066
C7007
C7058
C7071
C6081
C7009
C6083
C7026
L7010
C7020
C7064
C7003
C7029
L7015
C7046
C6029
C7049
C7011
L7005
C6075
C6064
C6069
C6063
C5002
CN1005
C6022
TP7003
C6053
C6019
C6095
C6096
C5001
C6046
C6050
L7022
L7023
C7115C7116
C6037
C6006
C6060
C7114
C7141
TP7005
C7142
C7132
C7138
R7010
TP2000
C2053
CN1006
C2107
C2106
C2008
U2001
L2043
L2036
L2048
U2005
C2043
C2087
C2001
C2093
L2017
C2054 C2055
L2016
C2047 C2048
L2013
C2044 C2045
L2012
C2039 C2040
L2042
C2113
C2091
L1070 L1071
C1093
C1101C1102
L1074
L1038
L1101
C1084
C1107C1108
C1103
L1076
C1061
L1082
L1011
L1039
C1117
C1080
C1081
C1015
L1040
LNA1007
C1105
F1006
F1003
L1019
C1028C1029
C1016
C1104
C1022
L1088
LNA1005
LNA1004
L1090
L1052
L1089
TP1006
TP1009
CN1003
C1036
L1022
L1092
L1013
L1021
L1093
TP3011
HDC4001
CN8000
SUS9001
C8026
V8000
SUS9000
C3011
C3019
U3006
C3009
C3012
C3013
L3004
L3009
ANT3002
F3001
C3022
U3000
L3005
C3010
R3003
C3021
C4053
R3000R3001
C4045
ZD4009
ZD4014
R5012
C4050
L4003
R5011
ZD4013
C4046
C4019
C3018
C4049
R4023
C4048
R4024
C3017
ZD4008
C4047
L4011
L4010
C4062
ZD4007
C4061
C8024
V8001
TP3008
TP3013
TP3015
TP3017
TP3019
L4009
TP3018
TP3014
TP3016
TP3010
TP3020
ZD4010
R5003
R5000
R4022
V9004
HEA6000
LED7000
GA9002
C4038
C4037
C4041
U4014
C4042
C4055
C4039
U4012
CON5000
TP_WPT_EN
R4006
C4021
L3006
C3001
L3007
C3000
C3006
L3000
R4002
L3001
C3003
F3000
L3002
C3004
C4018
C3005
C4005
R3004
C3007
C3008
L3003
TP3021
TP3007
TP3000TP3001TP3002
TP3004TP3005
TP_NFC_FIRM
TP3003
TP3012
NFC_CLK_REQ
TP_NFC_IRQ
TP_NFC_EN
TP3006
TP3009
TP_eSE_MOSI
TP_eSE_SCK
TP_eSE_MISO
ANT7004
ANT4000
ANT7000 ANT7001
U4002
L4001 L4002
C4002
R4004
C4004
C4001
C7110
C7112
C7087
C7111
C7086
ZD7001
C7113
R7000
ANT3001
R4001
C4000
C3002
C4025
C4024
C4015
C4003
R7019
U4016
C4057
C4011
C4017
R4015
C4006
C4012
C4043
C7154
C7155
R7022
R7029
C4009
C4022
C4016
R7020
R7028
C7085
C7084
R7023
C7091
C7090
U7007
C7104
C7105
C7106
C7102
ZD7003
ZD7002
C7083
C7089
C7092
C7093
C7097
C7098
C7099
C7100
R7046
ZD7004
C7167
U7013
ANT7002ANT7003
R7033
C7169
C7170
ZD7005
ANT7005
L8012
ZD7006
ANT4001
CN8001
C8041
C8052
R8015
R8017
C8040
C8051
BOTHHOLE6000
CN1001
BOTHHOLE6003
V6003
TP_UB0 TP_UB1
C9043
C9051
R9009
R9022
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
8-3-2. Bottom
ANT3003
ANT3000
V3004
CN9000
V9003
C7168
C7171
C7172
TA7001
SIM_CLK
SIM_DATA
SIM_RST
TA7000
TP_SIM5000
C5011
R4000
R4003
R5037
TR4000
V5003
R6004
V3000
V3001
C5004
C5005
V5001
R3002
R9011
R7047
R7048
U7014
C5010
ZD5005
ZD5008
ZD5006
C5012
R5038
R5039
ZD5007
C5006
SIM5000
L2056
C2060 C2062
F2002
L2021
C2056
L2007
C2011
TP2001
ZD9004
C9019
C9075C9076
L9003
C7130
C7127
U7001
C6085
R5002
C6027
C6032
TP_SSC_DBG_UART_TX
TP_SSC_DBG_UART_RX
C1009
L1080
L1081
C1116
C1099
C1135
C1137
C1112
C1111
C1148
L1067
L8000
C8012 C8013
C8007
U8002
C4013
C2077
L2027
L2049
LNA2000
L9004
ANT8001 ANT8002
C9020
CN9005
L9002
C9021
ZD9005
C7039
R7005
ZD9006
L8009
C9077
C9078
L8010
C9079
C9080
R4007
C9081
R4008
C9082
TR4001
C9083
R4014
Q7000
R4013
C4020
U4001
D7001
R4011
R5020
R5021
C7036
C7126
C7134
C7028
C7043
TH7000
C7019
C7025
C7031
C7034
TP5003
R5005
C6033
C7057
Q5000
R5049
R1024
L1043
C1058
TH1000
C1060
C1062
C1011
C1051
C1017
R1000
R1025
U1005
C1095
C1092
C1094
L1068
PAM1003
C1086 C1091
C8006
C8005
R8018R8019
R5023
C8055
R8008
C4026
U4000
C4008
C9022
C9042
TP9003
TP9004
HDC9002
ANT2006
C2075
C2116
C8023
ZD8001ZD8002
C8015
R4009
C6004
C6005
R7031
R7032
R9001
U9000
R5018
C7040
C7038
R7043
R7006
C7042
R7004
R7001
C7033
C7035
C7030
R5040
U5000
TP_SLIMBUS_CLK
TP_SLIMBUS_DATA5000
TP_SLIMBUS_DATA5001
L1009
C1004
C1149
C1001
C1000
C1006
C1005
U1001
C1014
C1054
L1003
C1013
C1002
L1000
C1109
C1110
R8020
C8062
C8008
U8010
C4010
ANT2002
V2000
C2118
L2034
ANT2000
L2028
C2076
C2079
V2004
U2008
V9005
R9002
R5019
TP7008
TP7000
R4016
C4023
TP6001TP6002
TP7006
D4000
TP6004
TP6000
C7015
U7000
C6082
C7013
C7014
C6080
TP6003
R6002
U6005
R6000
R6001
TP6008TP6009
TP6006
TP6005
TP6007
TP5005
R5022
C9025
R9005
L9001
C9004
R5024
C6025
C6026
C7062
C6016
TP5007
TP8000
TP8009
TP8001
TP8007
TP4000
TP8004 TP8005
TP8002
TP_VREF_EBI
R5044
R5025
R5014
R5016
C6014
C6028
C6031
TP_CODEC_RESET_N
TP_CODEC_INT8000
L1002
L1004
L1006
L1016
L1078
C1010
C1012
C1025
R1001
C1003
C1018
L1018
C1027
C1030
C1046
L1007
U1056
TP1000
L1008
C1057
L1005
L1042
C1021
F1001
L1001
L1012
TP_VOICE_CLK
C8001
C8004
C8009
L8002
C8017
C8018
R9028
ZD9008
C8011
TP8006
C8032
C8036
L9013
C8030
C8031
U11191
C9048
C8029
C9047
C9049
U8003
R8009
L9012
C8000
R8005
C8002
R8006
C8028
C8003
C8019
L8001
TP8008
C8021
C8025
C8027
R8007
C8016
L8005
C8045C8046
L8004
R8003
C8010
L8003
C8043
C8022
L8006
R9017
C8020
ZD9007
C8044
C8038
C8042
TP_VOICE_TXD
TP8003
R9027
GA9001
C4014
R8002
R8000
C9046
R5007
ZD9012
R8001
C4007
R5009
ZD9011
ZD9016
R8027
R8024
R8023
ANT2003
V2001
L2055
C2012
L2002
C2013
R2005
L2009
L2010
L2000
V9007
C2105
C2018
C2058
V5000
CN9007
ZD5000
ZD5001
ZD5009
C5013
L5000
C2035
R5029
C5042
L2040
ZD5004
C5015
F2004
ZD5003
C5003
ZD5002
C2110 C2112
L2041
C2114C2115
C2117
C2009
L2038
C2057
C2041
F2000
L2051
C2007
L2006
L2003
C2095
CON5001
C2096
F2001
L2005
U2031
F2003
TP1011
L2050
C2082
C2030
C2042
CN9006
L2015
C2050C2051
HDC9003
F2007
GA9004
V9000
U11194
L7003
C7023
C7024
D7000
C7002
C7004
C7000 C7001
L7000
C7005
L7002
C7006
TP7001
C7037
C6086
SC3004
UME6000
C6094
C6036
C6084
C6012
UCP500
SC3002
C6035
C6034
R5047
R5048
R5045
R5041
C6018
C6020
TP5004
TP1005
C1140
C1019
R1011
L1087
L1102
C1121
F1000
L1086
C1119
C1120
L1085
U1004
C1007
F1009
L1077
L1015
TP1008
LNA1003
C1100
L1073
SC3005
C1136
L1079
C1078
C1079
C1071
C1139
U1043
C8014
C8053
C8054
GA9003
R8004
L4000
C9050
ZD9013
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
8-4. Flow Chart of Troubleshooting
Equipments
↑ Oscilloscope ↑ Digital Multimeter
↑ Power Supply ↑ + driver, ESD Safe Tweezer
↑ 8960 & Spectrum Analyzer ↑ Soldering iron
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
8-4-1. Power On
Mobile phone does not power on.
Check the Battery Voltage
it more than
Is
Power-on the phone and
check the power-on sound
or motor Vibration.
Sound or Vibration is ok
Check the voltage level at
R8016 while pressing power
key. Is the voltage low?
Check the signal of
AP_PS_HOLD(R7010)
Yes
No
Yes
Yes
3.8
=1.8V
V?
.
?
No
Abnormal
No
If its voltage level is extremely low(under
Yes
Check the output voltage of U7003
L7005
(
C7067>
C6054
C7044
If the output voltage is not normal, Change the
U7003.
Charging the battery by TA.
Change the battery.
Change the FRONT-LCD ASSY
Replace the POWER KEY FPCB.
V, L7011
>0.85
V, C7057
1.8
>3.075
>2.95
V, C7050
V, L7012
>0.85
>1.8
>1.2
>0.8
V, L7004
V, L7015>
V, C6040>
V)
3.0
>0.8
1.15
1.25V
V),
V,
V,
Check the Clock OSC7000
Is the frequency
check the ini tial operation
END
Yes
Yes
19.2
Mhz?
No
Replace the OSC7000.
Test condition(Oscilloscope setting)
※
us.div(time division)
: 20.0
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
8-4-2. Initial
Initial Failure
Yes
Re-download latest SW on the
mobile phone.
Abnormal
Re Check
Trouble shooting process
Change UCP500
Change PBA
"8-4-1
END
Power on"
Normal
Abnormal
Abnormal
Check the OSC7000(Crack, open etc.)
Check the U7003, U7012(Crack etc)
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
8-4-3. No Service
Check menu setting
No service
Yes
Menu→applications→setting→network connections
more networks→mobile networ ks→network mode→setting is auto
connect
?
Home screen→Phone→Keypad
→
*#1234#
CP:G935AXXXX or unknown
→
check Phone version
→
CP:unknown
Check the voltage level
C7138
=1.0V
C7067
=1.8V
Yes
Check OSC7000
Frequency
=19.2
MHz
→
CP:G935AXXXX
No
No
Check the connection of RF coax ial cable
Replace
the U7012 for C7138
the U7003 for C7067
Replace the OSC7000
Yes
Replace UCP500
Yes
END
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Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
8. Level 3 Repair
8-4-4. Sim / SD Part
Insert SIM card
Yes
Is SIM/SD socket or tray ok?
Yes
Check the SIM Voltage.
C5004, C5005
(
Check the SIM RST/IO/CLK.
C5010,C5011,C5012) No
(
or
signal
)>=1.9
3.0?
Yes
Yes
END
No
No
No
Replace SIM/SD socket or tray
Change to the new SIM card.
If it doesn`t still work SIM card after changing
the SIM card, Check the U4002(Crack etc)
Check the UCP500(Crack etc)
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Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
8. Level 3 Repair
8-4-5. Charging Part
TA/USB Insert
Yes
Charging Sequence Start
VBUS_IF_5P0( C4013)
Yes
Check VBUS_5P0(C4008)=5V or
Yes
Battery is Charging?
Yes
END
=5Vor9V
9V
No
No
No
Replace SUB PBA
Replace U4000
Replace U7001
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Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
8. Level 3 Repair
8-4-6. OTG
OTG does not work
Yes
Check VBUS _5P 0(C4008)
5V
Yes
Check VBUS _IF_5P0( C4013)
=5V
Yes
Replace SUB PBA
Yes
END
=
No
No
Replace U7001
Replace U4000
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Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
8. Level 3 Repair
8-4-7-1. Magnetic Sensor
Magnetic Sensor does not work
Yes
Check the voltage
C4057, C4043
Check R5011, R5012
I2C is OK?)
(
Replace U4016
Magnetic Sensor)
(
=1.8V
Yes
Yes
END
No
No
Replace U 700 3, C40 57, C40 43
Replac e UCP500
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Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
8. Level 3 Repair
8-4-7-2. 6Axis Sensor
Axi s Sensor does not wor k
6
Yes
Check the voltage
C4040, C4056
TP_6AXIS_SPI_MISO
TP_6AXIS_SPI_MOSI
TP_6AXIS_SPI_CLK
TP_6AXIS_SPI_NSS
SPI is OK?)
(
Replace U4011
Axi s Sensor)
(6
=1.8V
Yes
Check
Yes
No
No
Replace U 700 3, C40 40, C40 56
Replac e UCP 500
END
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Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
8. Level 3 Repair
8-4-7-2. Proxy_light Sensor
Proxy_light does not work
Check the connector
HDC4001
Yes
Check the voltage
C4053
=3.3V
Yes
Check the voltage
C4049
=1.8V
Check R5011, R5012
I2C is OK?)
(
No
No
NO
No
Replac e PBA or Sen sor FPCB
Repla ce U7 003 , C4053
Replac e U7 003 , C4049
Replac e UCP 500
Yes
Replace Sens orFPCB
Yes
END
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Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
8. Level 3 Repair
8-4-7-3. Barometer
Barometer does not work
Yes
Check the voltage
C4039, C4055
Check R5011, R5012
I2C is OK?)
(
Replace U4012
Magnetic Sensor)
(
=1.8V
Yes
Yes
END
No
No
Replace U7003, C4039 C4055
Replac e UCP500
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Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
8. Level 3 Repair
8-4-7-4. Finger Print Sensor
Finger Print Sensor does not work
Check the connector
HDC4000
Yes
Check the voltage
C4059
=3.3V
Yes
Check the voltage
C4060
=1.8V
Check SPI Line
R4020, C4051, C4029
C4052, C4030
No
No
Replac e PBA or Sen sor FPCB
NO
Repla ce U4 005 , C4059
Replac e U4 005 , C4060
Replac e UCP 500
No
Yes
Replace Finger print
SensorFPCB
Yes
END
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Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
8. Level 3 Repair
8-4-7-5. HRM sensor
HRM s ensor does not work
Check the voltage
C4042
C4037
Check R5000, R5003
I2C is OK?)
(
Yes
=3.3V
=1.8V
Yes
Yes
No
No
Replace U 700 3, C40 42, C40 37
Replac e UCP500
Replace U4014
Magnetic Sensor)
(
END
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
8-4-7-5. Hall IC
HRM s ensor does not work
Check Hall IC1,Hall IC
Check
C4044
Yes
Hall IC 1 NG
=1.8V
Yes
Hall IC 2 NG
2
No
Replace SUB PBA
Repla ce U7 003 , C4044
Check
L4006, L4007
Yes
Replace U4018
Hall IC sensor
(
END
)
No
Replace SUB PBA
Repla ce L40 06, L4007
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.
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