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SM-A520F Tshoo 7

8. Level 3 Repair
(VIETMOBILE.VN)
8-1. Components Layout
PBA TOP Side
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
(VIETMOBILE.VN)
PBA BOT Side
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.
A5 2017(SM-A520F/DS) BLOCK DIAGRAM
(VIETMOBILE.VN)
Memory
32GB e.MMC
EMMC_RST_N
EMMC_CLK
PRX_B4
EMMC_CMD
EMMC_DATA(0:7)
PRX_B1
B1002
EMMC5.0_RCLK
LNA
PRX_G1900_B2
PRX_G1800_B3
TX_B1/2/3/4
B4
B1
HB
SP10T
B2
Transceiver
S.LSI
S5M925DA01
MB PA
B3
PRX_DCS/PCS
D5224
Main FEMid
LFD21829MMV3E151
FM_I2S_CLK
FM
FM_I2S_SYNC
COMP.
SI4705-D50-GM
FM_I2S_DI
TX_GSMHB
TX_DCS/PCS
HPF
Main ANT
(0.7 ~ 2.7GHz)
SKY77669
MMMB PA
LPF
TX_GSMLB
TX_GSM850/900
B28 TRX
Diplexer
B17
TX_B5/8/20/28
B20
HHM22137A3K
Coupler
SP5T
B5
DPX252690DT5225A1K
TX_B17
B8
LPF
LB
SP7T
HPF
LB PA
MOTOR
MOTOR_LDO_EN
PRX_B17
PRX_B20
PRX_B5/GSM850
PRX_B8/GSM900
GRIP+TOUCH(A96T316AU)
TOUCH_SCL/SDA_1P8
PRX_B28
LMDP2HGA-J12
PRX_B7
SFMLM7RB002
PMIC
TX_B7
TRX_B7
LNA
(AUDIO)
SAYEY2G3BA0F3K
XDVS_CTRL_1
B8337
TRX_B40
MXD8631S
TX_B38/40/41
SP3T
TRX_B38/41
B8339
PMIC_AP32K
SKY77786
HighBand PAM
PMIC_TCXO_EN
PMIC
BB_I2S_LRCK
PRX_B40
S2MPU05X01-6230
PMIC_IRQBC
PRX_B38/41
WARM_RST_IN_N
PMIC_POR
PDET
GNSS_RF_1P1_LDO_EN
GNSS
RDALN1609(R)
HPF
Diplexer
VOL_DN
VOL_UP
COMP.
B40
AUDIO CODEC
DRX_B7/38/40/41
B7
GNSS Extractor
B1
MB
B3
BPF
S5E7880
XF0-LA30
(CP+AP)
B5
B17
LB
DRX_B2/3
SP2T
AUX2_MB_IN
AUX_MB_OUT
SP5T
DRX_B5/8/17/20/28
B8
B20
EAR_L_DET
EAR
JAC
K
EAR_MIC_3.5_P
EAR_R/L
BTP+HOME KEY
B8853(E)
1.8GHz
SPK AMP
GNSS_RF_IN
(TFA9896BUK/N1)
SPK_P
SPK_N
SPEAKER
IF PMIC
Coupler
SAW
DPX252690DT-5225A1K
IF_PMIC_SCL/SDA_1P8
SAFFB1G56KE0F3K
TYPE_C_INT
GPS LNA
GPS_LNA_EN
IF_PMIC_INT
BT/WIFI
ANT(TFA)
IF PMIC
FG_SCL/SDA_1P8
S2MPU05X01-6230
Coupler
Diplexer
HM2942A2
DPX105950DT-6016A1
2.5GHz
FILTER
SAFEA2G46MB0F3K
BT/WI-FI
WLAN(IN,IP,QN,QP,DATA,SET,CLK)
BT(SSBI,DATA,CTL)
WCN3680B
5GHz
WL_PDET_IN
MST ANT
MST
ZF100N
MST_DATA_A
MST_DATA_B
MST_PWR_EN
CAMERA
NFC_IRQ_N/FIRM
NFC ANT
NFC_EN_N
NFC_I2C_SCL/SDA
NFC
CAM_EEP_SDA/SCL
SEN81DSXS1-YT30
NFC_ESE_PWR_REQ
CAM_SDA/SCL
SPI1_CLK/CS0_N
16M CAM
CAM_MCLK
SPI1_MOSI/MOSI
CAM_MIPI_D[0:3]
CAM_MIPI_CLK_N/P
VTCAM_EEP_SDA/SCL
VTCAM_SDA/SCL
NFC_CLK_26M
Connectivity
VTCAM_RST_N
NFC_SWP
VTCAM_MCLK
VTCAM_MCLK
16M CAM
VTCAM_MIPI_D[0:3]
VTCAM_MIPI_CLK_N/P
SIM1_CLK
/RST/DATA
SIM1
SENSOR
RCV&PROXY+
RGB FPCB
(CM36655M30E-H6(Capella))
LCD_MIPI_D[0:3]
6AXIS SENSOR
MAGNET & ACC
SHUB_SPI_SS_N/CLK
(STM32F410TBY6TR)
(LPS25HBTR)
TSP_SDA/SCL
LCD_RST_N
SHUB_SPI_MOSI/MISO
TSP_TA
TSP_INT
(LSM303AH)
SENSOR_SCL_1P8
SENSOR_SDA_1P8
OCTA
LCD_MIPI_CLK
SENSOR2_SCL_1P8
SENSOR2_SDA_1P8
SENSOR HUB
Pressure Sensor
RECEIVER
MAIN_MIC_P
MAIN MIC
SUB_MIC_P
SUB MIC
EAR_G_DET
B28
BGU6009
RCV_P
RCV_N
DRX_B1/4
SP2T
AUX1_MB_IN
BPF
B8636(E)
SKY13745-21
DRX LNA FEM
SP3T
HB
LPF
GPS
VOL.KEY
B38/41
DPX252690DT-5225A1K(T)
LB Div. ANT
(0.7 ~ 0.96GHz)
POWER
KEY
SAFFB1G56KB0F0AR15(M)
LNA
MB & HB Div.
& GNSS ANT
(1.55 ~ 2.7GHz)
SW_ON
PMIC_IRQ_N
5.2" OCTA
EL_ON1
OCTA DC/DC
EL_ON2
S2DOS04
ANT1003
R1901
R6903
ZD1000
U4011
C4091
SUS7001
CON7902
R6058
ZD6018
C6051
R6901
C6043
D6000
C6042
ZD6900
C6046
ZD6014
ZD6015
R6053
BH707
C7981
L1018
VR1000
IFC6001
C7980
U7012
C6030
SC7104
TP3009
TP5007
TP3008
TP3000
TP5003
TP3006
C7705
C7029
C6032
R6029
L6013
TP5008
R3049
R3057
R3055
TP5006
TP5005
TP5009
BH702
ZD6022
TP5001
TP_XTSCPUCL3000
TP5004
R3020
R3014
R3015
TP3003
R3912
C7708
R3016
R3017
C7709
C7707
R7012
Q5001
R4039
C5111
R5031
R6031
R4028
C3030
R5028
L6008
L6024
ZD6021
ZD6012
L6017
C3011
R3004
R3006
C4055
C6025
R3002
R3005
R5030
R5029
R5026
R5025
R5027
ZD6911
C7028
VR7103
R5902
L6014
C6036
C5110
R5005
BH708
ZD5003
C5073
R5003
C7063
C7013
L7003
C5986
C7010
VR7108
C7065
ZD7004
C7009
L5801
L7000
ZD5001
C5117
R5800
ZD6005
ZD6002
L6005
L6004
VR6001
C2157
L2064
C2091
F2007
VR7107
TP4017
U5010
R3054
C5105
TP3001
TP3007
C3084
C3032
R5930
C5980
TP_XRTC_XTO
TP_XRTCCLKO
C3029
C3098
C3007
R3009
R3011
TP3002
TP5002
TP5101
C4064
C3024
R4026
BH703
L4023
L6016
R4033
C4999
BH706
C6034
ZD6010
C7992
F2006
C2143
C2142
L4014
C2146
U4008
C4065
C4099
L2004
L2005
L2008
C4059
L4015
C4057
C2145
C2147
C2139
C2140
F2000
L2001
L2003
C4199
C2007
C2125
C2127
ANT2013
VR2101
L2061
U2006
L2043
C2126
C2094
VR2004
C4061
C2141
U2005
C2144
C2155
L2053
L2050
C2095
L2076
C4912
C2104
C2011
C2009
L2065
C2099
C2088
L2070
C2158
L2047
C2097
ANT6052
U2000
C2156
VR7101
ANT6053
U4015
U6015
C6904
C4120
BH701
L2054
C2106
ANT4010
F2001
C6905
U4009
R4043
C5058
C7062
C6031
VR6005
C4060
C4058
C5107
R7008
C6012
R6033
C6035
C3060
C4113
R4027
L4016
VR3001
C5043
R7007
HEA7001
C2010
L6012
R6049
TP1000
TP3005
R5013
U7006
L6021
ZD6008
R6048
TP1001
TP3004
ZD6912
U7050
L6020
ZD6031
R6030
R6043
R3911
C5060
R5021
ZD6030
R6006
C6033
U6011
C3042
R5034
R5033
U5005
C5044
C5982
C5401
C7023
R6045
C5106
R5009
C5077
C5087
R3910
C5091
R5008
L5001
C5037
C5084
TA7003
R6000
C6006
R6052
L6019
C3001
TP5000
R5010
BH709
C6003
ZD6017
ANT1005
C6044
L3001
C3040
TP4014
TP4013
R4042
ZD6901
L6018
R3001
TP_AMP_BCK
VR4010
C6049
C6045
R3000
TP_AMP_WS
VR6002
C4913
VR7106
R6044
C3014
UME3000
TP_AMP_DATA6000
C6903
ZD6016
L2022
C3059
R3907
R5801
C3000
TP_AMP_DATA6001
VR6017
L6015
C2046
R4031
ANT2003
C2029
C4114
C4070
R4032
C2024
VR7105
C2019
U4013
C2093
R4038
FM_INT
C4087
C4069
R4037
VR6006
U4007
C4092
C2138
R4030
R7902
ZD4001
L7014
L4019
C4910
C6041
TDMB_INT
C4054
L4011
PAM2001
R5036
TP_HALL_INT
D5001
L7011
C5102
C4052
L2000
R3046
L5006
R5007
TH3000
C3106
U3001
R3053
U5004
L1045
C6029
TDMB_SPI_MISO
C1063
L7103
C3009
C1065
TDMB_SPI_CS_N
C3041
U1003
C6028
C3083
L1051
C2020
TDMB_SPI_MOSI
R3905
TP_GPLL_ANA_EXT
VR7102
C5095
C1064
C3010
R3045
C3027
D5000
C3105
C3006
TP5998
L7120
C3020
BB_IQB
U7016
L7012
C7987
TP_CLK_MON
C7703
R3003
R3906
C7982
XCP_GPIO3000
SC7100
C3004
TP_DSCL
SIM6001
TDMB_SPI_CLK
XCP_GPIO3001
SC7000
VR5000
R5999
C7040
R2004
C2016
C7986
C3057
C7012
ANT1000
L4012
C5984
C5096
L1046
C7985
R2002
C5082
C5059
C6050
BH705
L7102
R3540
R3539
C5054
C5097
C5063
U4005
C2137
C2017
OSC7000
C3028
C5983
L2014
L2027
L2888
C5036
C5118
C5122
C2015
C3104
C5039
R6057
C2031
L2062
F2009
L2013
C5055
C5057
R6056
R6054
L2063
F2008
U7005
VR1008
L2029
SC7105
C2054
C5042
VR1001
L2028
U5201
C2055
R3903
ANT1002
VR7104
JTAG3001
R3904
ANT5003
ANT5005
JTAG3000
JTAG3002
JTAG3003
VR6007
L2006
C2005
ANT4000
ANT2004
VR2005
ANT2000
Model :
Revision :
Manufacture Count :
Charge :
Contact :
Date :
Routing :
Resin :
L2007
L2009
C2129
L2900
L2042
VR2003
ANT2010
SIM6000
C6020
R5151
R5022
C7064
R5023
(VIETMOBILE.VN)
Model :
Revision :
Manufacture Count :
Charge :
Contact :
Date :
Routing :
Resin :
C4007
VR2002
C4010
C4008
C4888
L2002
C4043
C4805
TP4009
TP4101
TP4102
TP4010
TP4001
TP4000
TP4011
D6001
TP4008
TP4002
C4001
C4004
C4003
C4047
C4016
C4046
U4000
C7017
TP4003
TP4007
C4023
R6007
C4002
C6010
U4003
D6002
D6004
C6011
C6037
R6009
R6008
C4006
C6801
R6010
C4015
C4014
ZD6001
C4005
D6003
R4041
R4015
R6011
TP_SD_CMD
TP_SD_D4003
D6005
R4010
R4014
SDIO_INT
R4008
TP_BT_UART_TXD
TP_SD_D4000
R4040
F4000
L4005
C4040
C4021
C4009
L4008
TP_WLAN_CLK
R4025
U7001
U7002
C4017
R4001
R4502
R4504
C7047
R4500
C7049
R4501
R4503
C4030
C7043
R4505
LED7000
TP4012
U4001
CON7901
U4014
C4013
L4004
C4051
C4012
F4005
C4101
C4049
L4010
C4041
C4025
C4100
L4003
C4111
C4029
R4801
C4032
R4802
U4004
C7993
C4045
U7052
F4001
L4052
R4017
TP_SD_D4002
C4900
R4044
L4006
L4999
C4018
TP_BT_UART_RXD
C4011
R4011
C4031
C4028
C4022
C4019
R4020
R4019
R4018
C4119
C7016
VR4002
C4020
R7903
R4021
R4022
CON7000
U7007
U7003
C4901
VR7004
R4045
C7022
L7001
ZD7010
ZD7009
C7033
C7020
U7017
C7701
Q4000
C7702
R4016
HEA4001
C7014
R7705
HEA7002
C7015
C2092
ZD7012
F2003
C2030
C2111
C2122
ZD7008
C2008
ZD7011
C2105
C2115
F2002
OSC4010
C2090
C7994
C4072
OSC4000
C4800
R6004
C4050
TP_SD_D4001
C6005
R6002
GPS_ANT
R4800
C4071
C4024
C4035
SC4000
U4002
L6001
C6001
C4000
C4033
C4026
C4027
ZD6500
U6001
C2999
R4000
L4000
C4034
VR2006
ANT2020
MIC6001
R3022
R3021
HEA7000
R3034
R7901
ZD7005
R3033
R3024
C4080
R3901
TP4015
R3023
C7044
C7046
C4085
C7045
C4082
C4095
C4073
C4077
C4097
C6016
C4074
C4075
L4022
C4076
C4116
C4115
U4012
L4021
C4088
C4096
ZD4900
C4081
C4089
C4084
C6015
C6014
R6013
R4034
R6203
U6008
R6202
ZD4910
C4093
TP_NFC_CLK_4000
TA5000
C5115
MST_PWR_EN_TP
ANT5004
R6201
R6204
ANT6051
ANT5001
C4083
TP_NFC_SWDIO
R6005
ANT6050
C7008
C7005
ZD6102
C7007
C7006
ZD6904
TP_NFC_FIRM
R3902
TP_NFC_TCK
C7048
ZD7006
HDC7000
U7051
TP_NFC_IRQ
TP_NFC_EN
HEA5020
Debug_TP
C5112
C4078
C7024
U7010
C7025
R3047
ANT4002
C5123
C5121
R5912
R5911
U4010
L7004
R3048
C5120
C7026
ANT4001
C7027
MST_DATA_A_TP
MST_DATA_B_TP
C5119
ANT5002
C4079
TP4016
ANT5000
TP_NFC_CLK_REQ
F7013
F7012
F7014
F7010
C7619
C7038
C7037
L7008
L7010
C7082
L7009
C7034
C7622
C7621
U7015
C7041
C7031
C7042
C7032
C7083
C7635
(VIETMOBILE.VN)
C7710
C7081
C7036
C7030
L7101
L7007
C7620
C7084
C7630
SC7103
C7039
C7035
F7011
C7988
TP_AMP_INT
C5098
C5014
C5013
C5031
C5030
C5041
C5038
U5007
C5001
C5033
C5035
C5021
C5004
C5302
C5047
C5017
C5081
L5008
C5052
C5045
C5027
C5003
C5008
SC7102
C5011
C5029
C5024
C5046
L5009
C5040
C5007
C5002
C5018
C5019
Q5000
C3039
C5103
C5048
C5020
C5101
C5053
C5034
C5083
C3038
C5104
C5100
C5093
C5032
C5022
C6013
L6006
R6014
R6015
L6025
C6022
R5017
C5090
R6019
C5092
C5088
C5086
C5085
C5089
C5203
C5202
C5204
C5201
C6023
C5056
C5099
C6024
OSC5000
C6019
R6020
R6018
C5206
C5026
C5078
C5051
R5012
R6016
C5205
C5050
C5071
R5011
C5066
L6023
C6021
C5006
C5070
C5028
C5025
R5145
C6018
C6900
U6014
C5023
C6017
C6901
L6002
C6008
C6007
C5801
C5016
C5301
C5072
C5075
C3054
C5000
C3043
C3207
C3074
C3033
C3047
R3209
C3082
L3000
C3079
C3070
R6039
TR6000
TP3901
L4013
GNSS_ADC_VIN_Q
C2075
L2035
TP_SPEEDY
GNSS_ADC_VIN_I
C2116
C2150
F4002
C2101
L2036
C2069
L2049
L2052
C2006
L2055
C1004
L1010
C1095
L1048
L1047
C1062
L1033
L1023
L1050
C1001
C1020
U1001
C1066
C1003
L1015
L1005
C1058
C1068
L1043
L1007
SC7101
U1006
L1066
L1069
L1034
U1005
L1052
L1059
C1059
L1058
C1042
C1041
C1000
C1016
L1014
L1029
C1091
L1011
C1089
L1000
L1019
C1014
C1015
L1016
C1021
C1046
U1004
C2023
F1000
C2027
L1067
C1099
C1018
C1029
C2148
L1017
C1092
C1096
C2103
F1005
C1022
L2033
C2134
L2048
L1001
L1044
C2001
C2073
C2154
C2080
C2078
U2001
C1002
C1038
L2034
C2136
L2051
C1098
L1071
C2096
C2077
L2046
C1031
L1027
C2076
C2135
L1024
C1008
L2045
C2152
L1063
C1051
L4024
C2068
C2082
L1021
L1028
C1057
C1056
C1088
L1070
C1037
L1038
C1054
F1004
C1047
C1055
C1087
L2057
C2079
C2081
C1030
F1006
C2083
C1026
L2037
C2070
L2056
R2006
L2039
C2102
C2067
R2001
C2118
TCX2000
C6027
R6101
C4062
C2107
C2109
C4068
C2153
C2072
C2003
R3010
R3008
L2032
C2074
C4066
R3007
R6104
ZD6007
R6102
U4006
C4053
R6103
TP_COVER_INT
C1048
R7892
TR_SPI_DATA
R3012
R3013
R6040
C3023
C3016
TP_CP5000
R3908
R2003
C2000
R7891
R6950
TR_SPI_EN
HDC3000
R2000
R7890
TR_SPI_CLK
L4017
C1093
R7889
R6024
U3002
L6003
R3931
R7888
R6047
C3022
R3210
C3012
C3025
C3008
C3005
R3019
R3018
C3205
C6009
L6022
R6038
R6041
C3209
C3081
C6802
C6038
C3002
R6042
C3200
C3080
C3036
C3003
C3072
R6037
C3026
C3018
C3015
C3203
C3097
C3099
C3093
C3021
C3064
C3202
C3073
R6012
C6039
C3208
C3101
C3053
C3019
C3062
C3046
U6010
C3052
C3063
C3204
C3086
R5006
C3071
C5067
C3037
C3069
C3100
C6040
C3017
C5005
TP5980
C5010
C5009
C3031
C7011
R7020
C5304
C5012
R6046
C7203
L5003
R7021
L5007
L5004
C5015
C2042
C2012
C2047
F1001
C1010
R4035
L4020
C4090
ZD4002
HEA4002
ZD4007
R6035
C4094
C1036
C1039
R6066
C1035
C6004
C1013
R6904
R5020
L1065
C1024
L1064
U1008
C1070
C1007
ZD6009
C1071
TH5000
R6065
R5019
L6000
L1020
VR1006
L6011
VR1007
ZD6013
U1009
L1056
C6026
L1025
C1094
ANT1004
ZD6905
C1102
MIC6000
C1069
C1025
R6026
R6028
ZD6903
R6003
C1012
R6025
L6010
C6002
ZD6006
HEA6011
ZD4008
ZD4005
U7053
R6027
L6009
R6001
ANT1001
L1037
L1057
C1052
F2004
RFS1000
C4086
L2019
U1002
R1002
R1001
C2056
C1044
U1010
L1076
C2049
ZD4000
HEA6010
L1053
C2018
C2050
L1006
C2041
L1055
C1033
R4950
ZD4004
ZD4003
C1032
L1002
C2040
R1000
R1005
L2025
C1009
C2035
C4980
ZD4006
C1006
L1054
C2043
C2044
C2057
L2021
L1008
C2004
C4911
C2034
L2023
C2032
C1005
R2005
L2060
L2011
C2033
L1009
U2003
C2045
C2051
L2018
L2015
C2013
L2012
C2002
C2084
C2039
L2020
L2040
L2016
C2025
L2024
C1019
C2036
C2038
C2021
L2017
C2022
C2053
C2028
C2061
C2048
C2052
C2071
C2086
C2066
L2030
L2038
C2062
C2065
C2058
C2060
L2041
PAM2000
L2031
L2026
C2059
C2087
C2037
C2063
C2133
C2064
U2002
C2085
C2132
8. Level 3 Repair
8-3. Flow chart of Troubleshooting.
Oscilloscope
Digital Multimeter
Power Supply
+ driver, ESD Safe Tweezer
8960 & Spectrum Analyzer
Soldering iron
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8. Level 3 Repair
8-4-1. Power on
Mobile phone does not power on.
Yes
Check the Battery Voltage.
Is it more than 3.8V?
No
Charging the battery by TA.
If its voltage level is extremely low
(under 3.0V),
Change the battery.
Yes
Power-on the phone and check
the power-on sound
or motor Vibration.
Sound or Vibration is ok?
Yes
Change the FRONT-LCD ASSY
No
Check the voltage level at
R5800 while pressing power
key. Is the voltage high?
No
Replace the Power key FPCB
Check the output voltage of U5007
Yes
L5003 > 0.8V, L5004 > 0.8V,
L5007 > 0.8V,
L5008 > 1.35V, L5009 > 2.0V, C5000 > 0.9V,
C5002> 1.8V, C5003 > 1.1V,C5004 > 1.1V,
Check the signal of
PMIC_PWR_HOLD = 1.8V
No
C5005 > 1.2V, C5007 > 3.0V, C5008 > 0.8V,
C5009 > 0.8V, C5010 > 0.8V, C5011 > 1.8V,
C5012 > 1.2V, C5801 > 1.0V,
If the output voltage is not normal, Change the
U5007.
Yes
Check the Clock TCX2000 & U2001
Is the frequency 26MHz?
Yes
※ Each voltage level has ±10% margin.
No
Replace the TCX2000 & U2001
※ Test condition (Oscilloscope setting)
: 20.0us.div (time division)
Check the initial operation
Yes
END
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8. Level 3 Repair
8-4-2. Charging Part
TA / USB Insert
L6015= 5V or 9V
NO
Reconnect TA or USB
or Repair IFC6001
Yes
NO
L5001=5V or 9V
Start Charging
NO
Repair U6010
Repair U5005
Charging current Check
YES
END
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8. Level 3 Repair
8-4-3. initial
Initial Failure
Re-download Software
Re check “8-4-1 Power on”
Trouble shooting process
NO
Check the U5007 Voltage
Normal
Change UME3000.
Do not use Blank MEMORY
Normal
Change PBA
YES
END
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8. Level 3 Repair
8-4-4. T-Flash Part
Insert T-Flash card
Yes
No
Replace SIM2 socket
Is SIM2 socket ok?
Yes
Check the T-flash Voltage.
(C6011) = 3.0?
No
Change to the new T Flash card.
If it doesn`t still work T Flash card after
changing
the T FLASH, Check the U6015
(Crack etc)
Yes
Check the t-flash
CMD /Data/CLK.
(D6002, D6005, C6009) No
signal
No
Check the U3001 (Crack etc)
Yes
END
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8. Level 3 Repair
8-4-5. SIM PART
Insert SIM card
Yes
No
Replace SIM1 or 2 socket
Is SIM1or2 socket ok?
Yes
Check the SIM1 or 2 Voltage.
SIM1(C6028)or SIM2(C6015)
= 1.8V or 3.0?
No
Change to the new SIM card.
If it doesn`t still work SIM card after
changing
the SIM card, Check the U5007, U4012
(Crack etc)
Yes
Check the SIM
RST / IO / CLK.
SIM1 : (R6101, R6103, R6102)
SIM2 : (R6201, R6203, R6202)
No signal
No
Check the U3001 (Crack etc)
Yes
END
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8. Level 3 Repair
8-4-6. OTG
OTG does not work
No
Check the Voltage of IF
PMIC (L5001)=5V
Check the U5005
YES
No
Check the Voltage of
L6015 =5V
Check the U6010
YES
No
Check the resistance of
R6058= About 550ohm
Check the IFC6001
Yes
END
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8. Level 3 Repair
8-4-7-1. Sensor Hub
Sensor Hub does not work
Yes
Check the voltage
C4001 =1.8V
No
Replace U5007
Yes
Check U4000
(crack, open, etc.)
Abnormal
Replace U4000
Yes
END
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8. Level 3 Repair
8-4-7-2. Magnetic Sensor
Magnetic Sensor does not work
Yes
Check the voltage
C4014 =1.8V
No
Replace U4015
Yes
Check R4501, R4504
(I2C is OK?)
No
Replace U4000
Yes
Check U4014
(crack, open, etc.)
Abnormal
Replace U4014
Yes
END
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8. Level 3 Repair
8-4-7-3. 6Axis Sensor
Magnetic Sensor does not work
Yes
Check the voltage
C4046 =1.8V
No
Replace U4015
Yes
Check R4501, R4504
(I2C is OK?)
No
Replace U4000
Yes
Check U4003
(crack, open, etc.)
Abnormal
Replace U4003
Yes
END
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8. Level 3 Repair
8-4-7-4. Pressure sensor
Barometer Sensor does not work
Yes
Check the voltage
C4030 =1.8V
No
Replace U4015
Yes
No
Check R4501, R4504
(I2C is OK?)
Replace U4000
Yes
Check U4001
(crack, open, etc.)
Abnormal
Replace U4001
Yes
END
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8. Level 3 Repair
8-4-7-5. Proximity + RGB Light sensor
Proximity + RGB Light Sensor does not work
Yes
Check the voltage
C4120 =1.8V
(Sensor’s IO voltage)
No
Replace U4014
Yes
Check the voltage
C4119 =3.3V
(Sensor’s LED voltage)
No
Replace U7052
Yes
No
Check R4500, R4502
(I2C is OK?)
Replace U4000
Yes
No
Check connection HEA4001
Reconnect HEA4001
Yes
Check sensor FPCB
(crack, damaged, etc.)
Abnormal
Replace Sensor FPCB
Yes
END
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8. Level 3 Repair
8-4-7-6. Hall Sensor
Hall Sensor of IFcon AREA does not work
Check the voltage
C4052 =1.8V
No
Replace U5007
Yes
Check U4005
Abnormal
Replace U4005
(crack, open, etc.)
END
Hall Sensor of View Cover Detect does not work
Check the voltage
C4053 =1.8V
No
Replace U5007
Yes
Check U4006
(crack, open, etc.)
Abnormal
Replace U4006
END
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8. Level 3 Repair
8-4-8. OCTA
LCD is still off after PWR ON
Yes
Check the connection of
HEA7000
Yes
Check
VDD_LCD_3P0=3.0V (C7044)
VDD_LCD_1P8=1.8V (C7049)
No
Reconnect HEA7000
No
Resolder or Replace the PMIC U5007)
Yes
Check
ELVDD 4P6=4.6V (C7031, C7034)
ELVSS_-4P4 = -1.4 ~ -5.4V (C7037, C7039)
ELAVDD_7P3 = 5.8 ~ 7.9V (C7026, C7027)
No
Resolder or Replace the OCTA DC-DC
(U7015)
Yes
Resolder or Replace OCTA module
Yes
END
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8. Level 3 Repair
8-4-9. Rear CAMERA
“Camera” function does not work
Yes
Check the Camera connector
No
Reconnect the HEA7001
on Main PBA
Yes
Check the voltage
C7064 : 2.8V ,
No
Resolder or Replace U7050, U7006
C7062 : 1.05V
Yes
Check the CAM_MCLK is
No
Reconnect the PBA
24Mhz (C7011)
Yes
Replace the camera module
Yes
END
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8. Level 3 Repair
8-4-10. Front CAMERA
“Camera” function does not work
Yes
Check the Camera connector
No
Reconnect the HEA7002
on Main PBA
Yes
Check the voltage
No
Resolder or Replace U7003, U7017
C7022 : 2.8V
C7014 : 1.05V
Yes
Check the VTCAM_MCLK is
No
Reconnect the PBA
24Mhz (C7023)
Yes
Replace the camera module
Yes
END
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8. Level 3 Repair
8-4-11. Microphone Part – Main MIC
Check microphone function in mVoIP LoudSPK
mode Camera(camcording) mode (etc...)
Check the MIC6000
NO
Replace MIC6000
YES
Check the Voltage C6004
NO
Replace or replace U5007(Codec IC)
= 2.8V
YES
Check the Component
NO
Resolder or replace the components
status of L6000, C6004,
R6001,C6002, R6904
YES
END
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8. Level 3 Repair
8-4-12. Microphone Part – SUB MIC
Check microphone function in mVoIP LoudSPK
mode Camera(camcording) mode (etc...)
Check the MIC6001
NO
Replace MIC6001
YES
Check the Voltage
NO
Replace or replace U5007(Codec IC)
C6005
YES
Check the Component
status of L6001, R6002
NO
Resolder or replace the components
U6001 C6001
YES
END
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8. Level 3 Repair
8-4-13. Speaker part
Check the speaker function,
Play MP3 with maximum volume level
NO
Check the SPK Modulte
Replace the Speaker Module
for Any damage
YES
Check SPK connect pin
NO
Reconnect ANT6050, ANT6051
YES
Check the Component
status of L6004, L6005
NO
Resolder or replace L6004, L6005
YES
END
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8. Level 3 Repair
8-4-14. Earjack Part - Rx
Play MP3 max volume and check Earphone Rx
Yes
Check Earjack FPCB
No
Replace Earjack FPCB
Yes
Check HEA6010
No
Reconnect HEA6010
No
Replace or resolder L6013, L6012, R6030, R6029
No
Replace U5007
connection
Yes
Check
L6013, L6012
R6030, R6029
Yes
Check U5007(Codec IC)
damage
END
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8. Level 3 Repair
8-4-15. Earjack Part - Tx
Headset voice call or recording
And check Earphone MIC
Yes
Check Earjack FPCB
No
Replace Earjack FPCB
damage
Yes
Check HEA6010
No
Reconnect HEA6010
connection
Yes
Check Ear MIC BIAS
No
Replace U5007(Codec IC)
R6014 = 2.8V
Yes
Check Tx Line SMD
No
Replace or resolder L6023, L6006
L6023, L6006
END
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8. Level 3 Repair
8-4-16. BT/WIFI part
BT/WIFI is not working
NO
Enable BT/WIFI function
Check the BT/WIFI function
YES
Check the voltage of
NO
Check the U4004(crack, open, damage, etc)
C4080 or R4801=3.3V
YES
Check the status OSC4000,
NO
Resolder or replace OSC4000, F4000 , U4002,
F4005
U4002, F4000, F4005
YES
Check the ANT4000,
VR4002, C4888, C4100,
NO
Resolder or Replace ANT4000,
VR4002, C4888, C4100, C4805
C4805
YES
Resolder or Replace
U4002
YES
END
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8. Level 3 Repair
8-4-17. GPS part
GPS is not working
NO
Enable GPS function
Check the GPS function
YES
Check the status of
ANT2004, C2999,
NO
C2007,L2042,L2001,C41
Resolder or replace ANT2004, C2999,
C2007,L2042,L2001,C4199,L4015,C4099
99 L4015 C4099
YES
NO
Check the status of
U2006,F2000, U4008,
OSC4010
Resolder of Replce U2006,F2000,
U4008, OSC4010
YES
Check the Status of
C4071 = 1.8V
L4014 = 2.8V
C4057 = 1.8V
NO
Resolder or Replace U5007, U3001
YES
Check the status of
C4062, F4002,
L4024,C4068
NO
Resolder of Replce C4062, F4002, L4024,C4068
YES
Resolder or Replace
U2001
YES
END
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8. Level 3 Repair
8-4-18. LOW BAND RX (GSM850, 900, W5, W8, LTE5, 8, 17, 20, 28)
It is not catching the channel
in normal condition
YES
Check ANT PATH
any damage
(RFS1000,
ANT1001,ANT1002,ANT1
004, C1013, ~ till
PRX_ANT_LB,)
Resolder or change
YES
Antenna path components
NO
Check Rx path
From U1006 to U2001
(C1026,L1028, etc)
Is it ok?
Resolder or change
NO
Rx path components
YES
Check U1006, U2001
any damage
(Crack, open, etc)
YES
Resolder or change
Check U1006, U2001
components
NO
Change the board
YES
END
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8. Level 3 Repair
8-4-19. MID BAND RX (DCS, PCS, W1, W2, W4, LTE 1,2,3,4)
It is not catching the channel
in normal condition
YES
Check ANT PATH
any damage
(RFS1000,
ANT1001,ANT1002,ANT1
004, C1013, ~ till
PRX_ANT_MB)
Resolder or change
YES
Antenna path components
NO
Check Rx path
From U1006 to U2001
(L1000, L1011, L1015
etc)
Is it ok?
Resolder or change
NO
Rx path components
YES
Check U1006, U2001
any damage
(Crack, open, etc)
YES
Resolder or change
Check U1006, U2001
components
NO
Change the board
YES
END
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8. Level 3 Repair
8-4-20. HIGH BAND RX (LTE 7,38,40,41)
It is not catching the channel
in normal condition
YES
Check ANT PATH
any damage
(RFS1000,
ANT1001,ANT1002,ANT1
004, C1013, ~ till
HB_ANT)
Resolder or change
YES
Antenna path components
NO
Check Rx path
From U1010 to U2001
(L1076, L1052, C1044
etc)
Is it ok?
Resolder or change
NO
Rx path components
YES
Check U1010, U2001
any damage
(Crack, open, etc)
YES
Resolder or change
Check U1010, U2001
components
NO
Change the board
YES
END
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8. Level 3 Repair
8-4-21. LOW BAND TX (GSM850, 900, W5, W8, LTE5, 8, 17, 20, 28)
It is not catching the channel
in normal condition
YES
Check ANT PATH
any damage
(RFS1000,
ANT1001,ANT1002,ANT1
004, C1013, ~ till
PRX_ANT_LB,)
Resolder or change
YES
Antenna path components
NO
Check Tx path
From U1006 to
PAM2000
(C2012,L2024,L2020,
C2133… etc)
YES
Resolder or change
Tx path components
NO
Check Tx path
From PAM2000 to
U2001
(C2035,L2021,C2034,
L2025,C2056… etc)
YES
Resolder or change
Tx path components
NO
YES
Check ,U1006,PAM2000,
U2001
any damage
(Crack, open, etc)
Resolder or change
Check PAM2000, U2001
components
NO
Change the board
YES
END
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8. Level 3 Repair
8-4-22. MID BAND TX (DCS, PCS, W1, W2, W4, LTE 1, 2, 3, 4)
It is not catching the channel
in normal condition
YES
Check ANT PATH
any damage
(RFS1000,
ANT1001,ANT1002,ANT1
004, C1013, ~ till
PRX_ANT_MB,)
Resolder or change
YES
Antenna path components
NO
Check Tx path
From U1006 to
PAM2000 (C2063,
C2133, C2086,
C2061… etc)
YES
Resolder or change
Tx path components
NO
Check Tx path
From PAM2000 to
U2001
(C2050,C2022,L2017
… etc)
YES
Resolder or change
Tx path components
NO
YES
Check U1006, PAM2000,
U2001
any damage
(Crack, open, etc)
Resolder or change
Check PAM2000, U2001
components
NO
Change the board
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
8-4-23. HIGH BAND TX (LTE 7,38,40,41)
It is not catching the channel
in normal condition
YES
Check ANT PATH
any damage
(RFS1000,
ANT1001,ANT1002,ANT1
004, C1013, ~ till
HB_ANT)
Resolder or change
YES
Antenna path components
NO
Check Tx path
From U1010 to
PAM2001
(L2888,C2137, L2000,
C2103, C2148 etc)
Resolder or change
NO
Tx path components
YES
Check Rx path
From PAM2001 to U2001
(L2022, C2046, C2029)
YES
Resolder or change
Check U2005, U2001
components
Is it ok
NO
Check U1010, PAM2001,
U2001
any damage
(Crack, open, etc)
YES
Resolder or change
Check U1010, PAM 2001, U2001
components
NO
Change the board
YES
END
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8. Level 3 Repair
8-4-24. NFC
MST is not working
Check NFC function ON
NO
Enable NFC function
YES
Check the Antenna
NO
Resolder or replace ANT
connect ANT4001,
ANT4002
YES
Check the Voltage on
C4073 = 1.8V
NO
Check U4015
(crack, open, damaged,
etc.)
YES
Check 26MHz Clock at
NO
Check U3001
(crack, open, damaged,
etc.)
TP NFC CLK 4000
YES
Check the Status of
L4021, L4022, L4088,
L4116
NO
Resolder or replace L4021, L4022, L4088,
L4116
YES
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
8-4-25. MST
MST is not working
Check MST function ON
NO
Enable MST function
YES
Check the Antenna
NO
Resolder or replace ANT
contact ANT5000,
YES
NO
Charging the Battery
Check the battery level
Battery >=5%
YES
Type
*#0*# -> MST
Test On
NO
Resolder or Replace U7051
Check voltage on
C5115
YES
Check the Status of
U7051
NO
Resolder or Replace U7051
YES
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
8-4-26. FM radio part
FM is not working
NO
Enable FM function
Check the FM function
YES
Check the voltage of
NO
Resolder or replace U5007
L4019=3.0v
YES
Check the status of R4031,
L4016, R4026, R4027,
NO
Resolder of Replace R4031, L4016, R4026,
R4027, R4028, R4030, C7981, C7705, L6025,
R4028, R4030, C7981
C7705, L6025, L6008
YES
Resolder or Replace
U4009
YES
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.