Samsung SM-A710FD Schematics TSHOO
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. Flow Chart of Troubleshooting
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
TOP
C2046
L2015
C2051
U2001
C2050
SIM5001
CON2007
CON2006
BH2000
C2049
C2052
C2047
CON2003
R4042
R4040
U6002
C2037
C2040
C7049
L2008
C6002
U7006
L6002
C6004
F2004
R6005
L2004
C6008
L3003
L3000
L2005
CON2002
F2005
U3006
C3023
L3002
L2009
BH2002
ANT5001
CON2008
ANT5000
HDC7000
CON2001
TP_GPS_CTS
C3024
SC2009
U3003
C3019
C3014
C3004
OSC3000
C3005
TP_GPS_CLK_3000
L3005
C3012
C3013
C3006
C3007 C3008
R5045
BTC5000
BH2001
BH2005
TP5011
TP_GPS_TXD
TP_GPS_RTS
TP_GPS_RXD
TP_GPS_PWON
TP_NFC_IRQ
TP_NFC_FIRM
TP_CLK_REQ
TP3003TP3004
L3007
L3004
TP_eSE_SPI_SCK
TP_eSE_SPI_CS_N
TP_eSE_SPI_MISO
C3029
TP_eSE_SPI_MOSI
C3015
R3002
TP3002
C5100
C3016
C3017
L3001
C5099
C3018
ZD3001
U3002
U5012
U5010
U5011
C3020
ZD3000
U3005
C3021
C3022
L3006
C3025
C3003
CON2004
F3000
TP_NFC_EN
L3008
C3010
U3007
U3001
R3000
C3011
R3003
C3000
R3001
U3004
C3002
C3001
U3000
C3027
C3026
C3028
C3009
TP3000
R3005
R3004
TP3001
CON2000
C4007
C4024
R4016
C4009
TP4008
TP4006TP4007
TP5006
TP_MODEM_CLK_4000
C4008
TP_JTAG_TMS
TP_CPJTAG_TDO
TP_CPJTAG_TDI
TP5009
TP5000
R5002
C5026
C5023
C5039
R5003
C5024
AP_JTAG_TRSTN
AP_JTAG_TXD
AP_JTAG_RXD
AP_JTAG_TDI
AP_JTAG_TCK
AP_JTAG_TDO
CON2005
R4029
R4030
TP_CPJTAG_TCK
AP_JTAG_TMS
SC2005
L1036
L1041
C7001
L7000
L7003
R4046
C4064
R4015
R4043
R5004
TP_CPJTAG_TRSTN
TP5007
R5050
UME5000
L5014
R4026
R4027
C1090
U1002
L7004
C7010
ZD7004
ZD7002
ZD7003
C7023
C7017
L7007
SC2001
R4022
R4023
C7033
R4011
R4001
R4035
R4036
R4045
R4014
TH4000
R4019
TP4004
TP_MODEM_TO_CLK_4000
TP4005
SC2003
C5094
C5096
L5013
C1088
TP1006
C7021
C7022
C7034
L7006
C7026
R4038
C4022
UCP400
R4028
R5031
R4037
ZD5001
ZD5004
R5022
L1035
TP1005
TP1004
C1089
TP1007
C7018
C7035
C7043
C7040
L7009
L7011
C7039
EL_ON7000
C7030
C7032
U7003
C7031
L7010
L7008
C7042
C4057
R4010
R4000
R5025
OSC3002
C5101
R4053
C7011
R4006
R4007
R4008
R4009
C7009
TP4000
R5019
TP4009
TP5008
C4006
R4002
R4003
R4004
R4005
C4073
R4057
R4055
C4058
R4013
C4055
C4026
C4018
TP4002
C7016
L7002
C7000
L7001
TP5012
C4068
C4059
R4012
R4054
C4069
R4048
C4070
R4049
R4050
C4010
C4019
R4051
C4072
C4071
C5119
R4056
R4047
U5007
TP5010
R5014
R5010
R5011
R5012
TP5005
C5069
TP4003
U5005
C5002
R7026
C5020
C5021
C7073
U7024
C7072
C1164
C1165
ZD5009
ZD5002
ZD5003
ZD5005
ZD5006
R5026
R5023
R5024
R5027
TDMB_PWR_EN
TDMB_SPI_MISO
L3009
TDMB_SPI_CLK
TDMB_SPI_CS_N
TDMB_SPI_MOSI
TDMB_INT
C3035
L3016
U3008
BB_IQB
C3046
L3015
C3057
L3013
L3017
C3045
L3011
C3032
R5029
ZD5008
ZD5010
ZD5014
ZD5015
C5110
R5034
C5102
C5109
SIM5000
C7058
C7063
C7056
L7016
ZD7016
C7064
L7014
R7009
R7007
C7052
C7069
C7070
R7021
C7061
ZD7018
L7015
C7060
ZD7010
R7020
L7017
ZD7011
C7071
C7054
U7007
SC2006
C7053
U7008
C7057
C7055
R7019
HDC7003
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
BOTTOM
R7002
R7003
R4031
R4032
C7041
R5035
VR2007
VR2000
ANT2000
C2036
C2038
C2054
VR2002
F2002
C2019
C2018
C2002
F2000
C2001
C2005
ANT2002
C2003
C2004
C2000
L2010
L2011
C2008
L2017
L2012
L2007
C2014
R2000
L2006
C2020
ANT2001
C2039
VR2001
HDC7002
D5000
ANT5005
C4051
C4039
ANT5007
L5011
C4065
C4067
L5012
C5115
C5011
R5044
C5053
ZD5017
C5041
C5046
C5006
C5045
VR2006
L5007
C5050
ANT2008
C5081
C5048
C5014
C5018
C5007
C5083
C5051
C5015
C5036
C5047
C5044
C5052
C5029
C5013
C5019
C5012
C5001
L7012
C5043
C5057
R5037
U6001
L6004
L6001
TP_COVER_INT
TP_AMP_DATA6000
C6009
TP_AMP_RST
D5001
TP_AMP_DATA6001
R4058
R4059
Q5000
TP1002 TP1003
C2027
R2001
OSC2000
C2021
C1132
R1007
C1111
C1112
C1101
C1102
C1099
L1030
C1100
C1116
L1017
L1023
L1021
C1042
L1045
C1064
C1073
L1010
L1058
C1070
C1057
L1020
C1041
C1117
F1008
C1115
C1161
F1002
C1053
C1104
L1044
C1103
C1006
C1072
C1066
C1078
C1081
C1087
L1016
L1027
L1032
L1019
L1024
L1022
C1079
C1065
C1077
C1086
C1071
C1005
C1018
C1016
C1017
C1044
U1001
L1009
C1138
L1051
C1045
C1026
C1137
C1011
C1024
F1011
C1008
C1025
L1005
TP1000 TP1001
C1023
C1010
RFS1000
R4044
R4052
ZD6001
ZD6000
C6012
C6015
L6007
L6009
ANT6000
VR2005
ANT2007
C7065
C7066
L7013
R6006
C6010
L6003
C6000
R6002
L6000
C6003
R6001
R6000
L2018
C2017
U2000
C2028C2031
C5066
C5120
R7025
C4005
C4001
C4000
C4032
C4052
C4036
C4075
C4077
C4074
C5010
C4080
C4082
C4078
C4081
C5075
C5076
C5082
C5027
C5038
C5008
C5049
C5030
C5035
R5039
Q5001
R5041
C5121
C2016
U1003
L1014
L1015
L1013
C1034
L1003
C1033
C1029
C1027
C1028
L1007
R7013
R7015
ANT6003
C6011
C6001
C4029
C4084C4085
L5005
C5028
C5040
C5042
R5038
ZD7014
ZD7013
C2053
F2001
TP_UB1
R7000
TP5002
C4003
C4066
C4076
C5067
R5042
C1107
C1108
C1015
C1022
C1007
C1052
L1012
C1149
ZD7017
L2000
C2023
C2013
C2022
L2019
TP4001
MEN5000
FEN5000
TP_SafeLDO5000
TP_UB0
Q7000
R5000
R5001
C4002
C4044
C4053
C5068
OSC5000
C6014
TP_AMP_WS
TP_AMP_BCK
TP_AMP_INT
C6013
R1006
C1144
C1105
F1000
C1004
L1002
L1001
C1013
C1051
C1060
C1049
C1050
C1035
R7012
R7010
R7011
C2034
C2035
C2024
C2026
C2012
L2001 L2002 L2003
C2015
C7020
C7012
C7019
R7001
C7015
C7013
C7014
R5016
C5064
L5000
U7005
C7048
U5002
R4041
R4039
C4025
C4042
C5004
C4035
C4004
C4028
C4023
C4033
C4034
C4045
C4083
C4054
C4056
C5071
L5002
L5003
SC2002
U5009
C5089
C5077
R5055
C5078
C5087
C6019
U6003
L1033
C1106
L1040
C1109
C1110
C1096
C1097
L1029
C1085
L1047
C1130C1131
C1020
C1136
L1031
SC2004
C1003
L1000
C1002
C1030
C1031
C1032
TH2000
L1018
R2002
C1059
C2025
C7062
C7068
ZD7008
ZD7015
C7059
ZD7007
ZD6007
R6016
ZD7012
R7006
ZD6009
ANT2004
VR2003
C2048
U5016
U5008
R5006
C5022
C5025
TP5003
C7047
SC2007
C7046
R4021
R4020
C4041
C4015
C4016
C4013
C4031
C4038
C4049
C4079
C4050
C4046
C5074
L5004
C5072
C5073
C5037
C5091
C5095
R5020
C5093
C5060
C5085
C6018
R6013
R6012
C1142
L1050
C1135
C1082
F1004
C1133
C1143
F1009
L1048
L1011
C1048
C1054
L1008
C1043
C1046
C1000
C1009
R1000
R1002
R1001
RFS1001
R7008
ZD6008
ZD6002
ZD6003
HDC6000
C6026
ZD6005
TP5004
C5033
U5001
U5000
R5015
U7000
C7024
C7025
TP5001
C7038
U7001
C4037
C4014
C4017
C4061
C4060
C4048
C4047
C4043
C5097
C5088
C5098
R6009
R6010
L6005
C6022
C1127
C1141
C1129
C1128
C1083
L1028
C1156 C1157
L1004
L1056
C1021
C1040
L1006
C1039
CPL1000
C1152
C1001
C1036
C1162
ZD7009
R6017
R6015
ZD6004
ZD6006
HDC7001
C7008
C7007
ZD7000
ZD7001
R4024
R4025
C7005
R5018
C5061
TH5001
C5070
SC2000
C5065
C5032
R5008
C5031
C5059
R4018
R4017
R5007
R5005
C7037
C7036
C4012
C4062
C4040
C4021
C4027
C4030
C4011
C4063
C5086
C5005
C4020
L5008
C5084
L5006
C5079
C5003
C5034
C5080
C5058
C5063
C5092
C5016
C5017
C5090
L6011
U6004
C6021
C6029
C6023
ZD5007
C6025
C6020
C6024
U6005
R6014
C1124
C1126
C1125
U1004
C1140
C1148
C1145
L1053
C1139
C1147
F1012
L1046
F1010
C1146
C1122
L1052
C1123
F1003
C1047
C1019
U1005
L1060
C1160
F1001
C1061
C1150
C1151
C1098
C1093
L1043
L6012
C6005
Q6000
C7067
C7006
R5013
R5017
ZD5000
C5054
C5000
C5009
C1134
L1049
R6003
R6011
ANT2003
C2006
C2007
L6010
L2016
VR7001
U7009
C7003C7004
L7005
C7002
R5051
R5009
R5052
U5003
R5053
C5062
R5054
R5046
R5048
C5055
R5047
C5056
L5001
C5113
R5040
R5043
C6027
C6028
R6018
ZD6010
ZD6011
CON7000
R6004
ZD5021
C5122
C5125
ZD5020
R5036
ANT2005
R3008
R3009
R3010
R3011
R3012
R3013
HDC6001
L6006
C6016
C3041
C3038
L6008
R6007
R6008
C6017
VR6000
VR6001
R6019
LED5000
TA5000
TA5001
R5056
U5014
C5111
VR7000
C5112
C3033
L3012
OSC3001
WLAN_EN
BT_EN
U7002
C3054
C3056
C3048
TP_WLAN_COEX_TX
TP_WLAN_COEX_RX
ZD5016
C3039
C3055
R5021
C5123
C7029
C7028
C7027
R3006
C3047
U3010
C3049
C5116
C5128
C5114
C3067
C5124
ZD5018
C3066
ZD5019
C3064
C5126
C5127
C3030
C3042
C3040
SC2008
C3036
C3050
U5015
C5118
C5117
C3062
L3024
C3060
ANT3002
C3069
C3070
U3009
L3026
L3022
VR3000
F3001
L3025
C3063
C3065
L3023
F3002
C3068
L3020
L3021
C3058
C3053
L3019
R3007
C3059
C3044
C3051
C3052
L3014
C3037
C3043
C3061
C3034
C3031
L3010
L3018
R5033
L5010
C5108
C5103
L5009
R5032
VR2008
ANT3001
ANT5002
ANT2006
VR2004
ANT2009
ANT5003
ANT5004
ANT3000
ANT5008
ANT5006
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
Is it more than 3.8V?
Voltage.
Yes
Power-on the phone and
check the power-on sound
or motor Vibration.
Sound or Vibration is ok?
No
Check the voltage level at
ANT5007 while pressing power
key. Is the voltage high?
Yes
Check the signal of
PWR_HOLD = 1.8V
Yes
Check the Clock OSC2000
Is the frequency 26Mhz?
Yes
check the initial operation
Yes
END
No
If its voltage level is extremely low(under 3.0V),
Yes
Abnormal
No
No
Replace the OSC2000.
※ Test condition (Oscilloscope setting)
: 20.0us.div (time division)
Charging the battery by TA.
Change the battery.
Change the FRONT-LCD ASSY
Replace the POWER KEY FPCB.
Replace the PMIC
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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
8-4-2. Initial
Initial Failure.
Yes
Re-download latest
SW on the mobile
Re Check "8-4-1 Power on"
Trouble shooting process
Change UCP400
Change PBA
phone.
END
Abnormal
Normal
Abnormal
Abnormal
Check the OSC2000 (Crack, open etc.)
Check the PMIC-U5000(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
Menu → applications → setting → network connections →
more networks → mobile networks → network mode → setting is auto connect ?
No service
Yes
Home screen → Phone → Keypad
→ *#1234# → check Phone version
→ CP : A510FXXXX or unknown
CP : unknown
Check the voltage level
CP_RST_N = HIGH
Yes
Check OSC2000
Frequency = 26MHz
Yes
Replace UCP400
Yes
END
CP : A510FXXXX
No
Check the connection of RF coaxial cable
No
Replace the OSC2000
Replace the U5000
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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 Part
Insert SIM card
Is SIM socket ok?
Check the SIM
Voltage.
(C5121 ) >= 1.8V
or 3.0V?
Check the SIM
RST/IO/CLK.
(ZD5009, U10208,
ZD5010) No signal
END
Yes
Yes
Yes
Yes
No
Change to the new SIM card,
No
Check the UCP400 (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
Charging Failure
Check the voltage at
VBUS_IF_5P0
(C7056) = 5V?
Check the voltage at
CHG_IN_5V
(C5022) = 5V?
Battery is Charging?
Change UCP400
Yes
Yes
Yes
Yes
- First of all, Please check the battery status.
No
No
Check the USB connector (Crack etc.)
Reconnect ‘Main PBA’ and ‘Sub PBA’
Replace ‘Sub PBA’
No
Change Battery
Still have Problem?
No
END
Yes
Change PBA
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
8-4-6. Proxy Sensor
Sensor does not work
Check the R607 =
1.8V ?
Check the C606 =
3.3V ?
Check R600, R601
(I2C is OK?)
Replace U601
(Proxy sensor)
END
Yes
Yes
Yes
Yes
No
No
No
Resolder or Replace : U600
Resolder or Replace : U501
Resolder or Replace : U400-1
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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
8-4-6-2. Magnetic Sensor
Sensor does not work
Yes
Check the C618 =
1.8V ?
Yes
Check R430, R431
(I2C is OK?)
Yes
Replace U603
(Magnetic sensor)
END
No
No
Resolder or Replace : U600
Resolder or Replace : U400-1
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.
8. Level 3 Repair
8-4-6-3. Accel Sensor
Sensor does not work
Check the C612 =
1.8V ?
Check R430, R431
(I2C is OK?)
Replace U602
(Accel sensor)
END
Yes
Yes
Yes
No
No
Resolder or Replace : U600
Resolder or Replace : U400-1
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.
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