samsung SM-A520F Service Manual - Direy
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
PBA BOT Side
(VIETMOBILE.VN)
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)
PRX_B4
PRX_B1
PRX_G1900_B2
PRX_G1800_B3
LNA
B1002
Memory
32GB e.MMC
EMMC_RST_N
EMMC_CLK
EMMC_CMD
EMMC_DATA(0:7)
EMMC5.0_RCLK
Main ANT
(0.7 ~ 2.7GHz)
HHM22137A3K
(0.7 ~ 0.96GHz)
LFD21829MMV3E151
HPF
LPF
Diplexer
DPX252690DT-
5225A1K
Coupler
LPF
HPF
MB & HB Div.
& GNSS ANT
(1.55 ~ 2.7GHz)
Diplexer
DPX252690DT-5225A1K(T)
HPF
LPF
LB Div. ANT
HB
SP10T
LB
SP7T
GNSS Extractor
BPF
BPF
B8636(E)
B4
B1
B2
B3
PRX_DCS/PCS
D5224
Main FEMid
TX_DCS/PCS
TX_GSM850/900
B28 TRX
B17
B20
B5
B8
LNA
SFMLM7RB002
MXD8631S
SP3T
HB
MB
LB
LNA
TRX_B7
SAYEY2G3BA0F3K
TRX_B40
TRX_B38/41
RDALN1609(R)
B38/41
B40
B7
B1
B3
AUX_MB_OUT
B5
B17
B8
B20
B8337
B8339
AUX1_MB_IN
AUX2_MB_IN
SKY77669
MMMB PA
SP5T
SP3T
SP2T
SP2T
SP5T
MB PA
LB PA
LMDP2HGA-J12
SKY13745-21
DRX LNA FEM
PRX_B17
PRX_B20
PRX_B5/GSM850
PRX_B8/GSM900
PRX_B28
PRX_B7
SKY77786
HighBand PAM
TX_B1/2/3/4
TX_GSMHB
TX_GSMLB
TX_B5/8/20/28
TX_B17
TX_B7
TX_B38/40/41
PRX_B40
PRX_B38/41
PDET
GNSS
SAFFB1G56KB0F0AR15(M)
DRX_B7/38/40/41
DRX_B1/4
DRX_B2/3
DRX_B5/8/17/20/28
Transceiver
S.LSI
S5M925DA01
S5E7880
XF0-LA30
(CP+AP)
FM_I2S_CLK
FM_I2S_SYNC
FM_I2S_DI
MOTOR_LDO_EN
TOUCH_SCL/SDA_1P8
MOTOR
GRIP+TOUCH(A96T316AU)
XDVS_CTRL_1
PMIC_AP32K
PMIC_TCXO_EN
BB_I2S_LRCK
PMIC_IRQBC
WARM_RST_IN_N
PMIC_POR
GNSS_RF_1P1_LDO_EN
PMIC_IRQ_N
EAR
JAC
FM
SI4705-D50-GM
COMP.
PMIC
(AUDIO)
PMIC
S2MPU05X01-6230
SW_ON
VOL_DN
VOL_UP
COMP.
AUDIO CODEC
RCV_P
RCV_N
EAR_L_DET
EAR_G_DET
K
EAR_MIC_3.5_P
EAR_R/L
MAIN_MIC_P
SUB_MIC_P
POWER
KEY
VOL.KEY
RECEIVER
MAIN MIC
SUB MIC
Coupler
DPX252690DT-5225A1K
GPS
GPS LNA
BGU6009
MST ANT
NFC ANT
BT/WIFI
ANT(TFA)
Coupler
HM2942A2
B28
B8853(E)
Diplexer
DPX105950DT-6016A1
WL_PDET_IN
2.5GHz
5GHz
GPS_LNA_EN
FILTER
SAFEA2G46MB0F3K
BT/WI-FI
WCN3680B
WLAN(IN,IP,QN,QP,DATA,SET,CLK)
MST
ZF100N
NFC
SEN81DSXS1-YT30
GNSS_RF_IN
SAW
SAFFB1G56KE0F3K
BT(SSBI,DATA,CTL)
MST_DATA_A
MST_DATA_B
MST_PWR_EN
NFC_IRQ_N/FIRM
NFC_EN_N
NFC_I2C_SCL/SDA
NFC_ESE_PWR_REQ
SPI1_CLK/CS0_N
SPI1_MOSI/MOSI
1.8GHz
SPK AMP
(TFA9896BUK/N1)
SPK_P
SPK_N
IF_PMIC_SCL/SDA_1P8
TYPE_C_INT
IF_PMIC_INT
FG_SCL/SDA_1P8
CAM_EEP_SDA/SCL
CAM_SDA/SCL
CAM_MCLK
CAM_MIPI_D[0:3]
CAM_MIPI_CLK_N/P
BTP+HOME KEY
SPEAKER
IF PMIC
IF PMIC
S2MPU05X01-6230
CAMERA
16M CAM
Connectivity
SENSOR
RCV&PROXY+
RGB FPCB
(CM36655M30E-H6(Capella))
6AXIS SENSOR
MAGNET & ACC
(LSM303AH)
Pressure Sensor
(LPS25HBTR)
SENSOR2_SCL_1P8
SENSOR2_SDA_1P8
SENSOR_SCL_1P8
SENSOR_SDA_1P8
NFC_SWP
SENSOR HUB
(STM32F410TBY6TR)
NFC_CLK_26M
SIM1_CLK
/RST/DATA
SIM1
SHUB_SPI_SS_N/CLK
SHUB_SPI_MOSI/MISO
LCD_MIPI_D[0:3]
LCD_MIPI_CLK
TSP_SDA/SCL
LCD_RST_N
TSP_TA
TSP_INT
VTCAM_EEP_SDA/SCL
VTCAM_SDA/SCL
VTCAM_RST_N
VTCAM_MCLK
VTCAM_MIPI_D[0:3]
VTCAM_MIPI_CLK_N/P
5.2" OCTA
VTCAM_MCLK
EL_ON1
EL_ON2
16M CAM
OCTA
OCTA DC/DC
S2DOS04
JTAG3003
Model :
Revision :
Manufacture Count :
Charge :
Contact :
Date :
Routing :
ANT4000
C4912
C4913
C6903
VR6007
VR6002
VR4010
ANT4010
U4015
ANT6053
ZD6030
C6003
L6020
R6000
U6015
C6904
ZD6031
C6006
L6021
R6006
C4120
R4042
ANT2000
VR2005
L2006
C2005
L2007
C2125
C2127
BH701
C2126
C2094C2095
U2000
C2009
C2011
C2099
ANT6052
L2070
L2050
F2001
C2155
C2010
L2047
C2097
VR7101
F2007
L2064
C2091
C2157
U2005
L2054
C2106
C2156
L4015
C4057
C2145
C2146
C2147
U4008
C2139
C2140
C2141
C2142
C2143
C2144
L4014
C4061
F2006
L2076
C2104
L2065
C2088
C2158
C7992
ANT2004
VR2003
ANT2013
C2129
C2007
VR2101
L2009
L2061
L2900
C4199
L2042
F2000
C4059
U2006
L2001 L2003
L2043
C4065
L2004
L2005
L2008
C4099
VR2004
ANT2010
L2053
Resin :
SIM6000
L6004
VR6001
HEA7001
C7064
TA7003
C7065
VR7108
C5063
C5057
C5059
C5060
U5005
C5077
C5087
C3041
C3040
R3905
R3907
C3009
TH3000
R3046
C3083
TDMB_SPI_CS_N TDMB_SPI_MISOTDMB_SPI_MOSI
TDMB_INT
BB_IQB
L7011
C7987
L7014
C7703
C7982
VR6006
R5151
C7013
R5022
L7003
C5986
R5023
C5073
R5003
L5006
ZD5003
C5058
C5084
C5102
R5013
R5036
ZD6912
C5107
ZD6911
R5902
R3910
C5091
VR3001
C4054
U4007
TP3005
R5008
TP3004
U5004
R7902
C4055
C3042
R3911
R3912
R5033
R5034
UME3000
TP_XTSCPUCL3000
C3000
C3001
C5106
R3006
L3001
U3001
TP_GPLL_ANA_EXT
R3000
R3001
C3014
C3059
C3106
R3045
C3105
C4069
R4031
C4070
C4064
L4019
R4030
U4009
L7120
C4060
R4028
R4027
R4026
FM_INT
BH709
BH708
R5005
VR7107
C5110
U5010
R5027
R5025
R5026
R5029
R5030
R4039
R5031
R5028
C5111
Q5001
C7707
C7708
C7709
R3016
R3017
R7012
TP3003
R3014 R3015
R3020
TP5004TP5005TP5006
TP3001
TP3007
TP5009
R3054
R3049
R3057
R3004
R3055
C3011
C3030
C5105
C5980
R5930
TP3006
TP5003
TP3000
TP_XRTCCLKO
TP3008TP3009
TP5007
C3084
C3032
TP_XRTC_XTO
TP5008
TP5101
TP5001
C3029
C3098
TP3002
TP5002
C3007
R3011
R3009
C3024
C3060
R3002
R3005
VR7103
R4043
BH703
C4058
L4016
VR6017
R7008
R3904
U7005
R3903
R7007
C7012
C5044
C5982
C5043
C5042
L5001
SC7000
C5037
C5039
C5055
C5054
C5036
C5082
C5097
C5096
TP5000
R5009
R5010
C5095
D5000
TP4017
TP4013
TP4014
TP_AMP_BCK
TP_AMP_WS
BH702
TP_AMP_DATA6000TP_AMP_DATA6001
TP5998
C3104
SC7100
VR7102
C3027
C3006
R3003
TP_CLK_MON
XCP_GPIO3000XCP_GPIO3001
C3057
R2002
R2004
L7102
R3539
R3540
L7012
OSC7000
C3004
R5801
R3053
R3906
C3010
C3028
C3020
TDMB_SPI_CLK
C7040
C7986
U7016
C7985
L7103
C6028 C6029
JTAG3001JTAG3002
JTAG3000
U7006
U7050
R5021
C5401
C7063
C7062
(VIETMOBILE.VN)
L6005
C6012 C6020
ZD6002
ZD6005
C5117
R5800
ZD5001
L5801
L7000
ZD7004
C7009
C7010
BH705
C2015
L2013 L2014
L2029
F2008
L2028
C2055
L2027
L2888
C2093
F2009
L2062
C2031
C2137
PAM2001
L2063
C2054
L2000
R5999
C5984
VR7104
ANT5005
ANT1003
SIM6001
C2019C2020
C2016
C2017
C2024
C2138
SC7104SC7105
L2022
C2046
C2029
R6044
R6045
C5983
U5201
C6041
D5001
U6011
C5118
C5122
R6054
L6018 L6019
ANT5003
ANT1005
VR6005
TP1000TP1001
L1045
C1063
L1046
C1065
L4023
C4114
U1003
L1051
C4113
U4013
C1064
R6043
C6035
C6036
R4038
C4087
TP_DSCL
R4037
R6048
L6016
U4011
L6017
R6049
C4092
C4091
R6903
R4032
R1901
R6056
R6057
ZD4001
ZD1000
C6044C6045
VR1008
C4910
C4999
R4033
VR7105
SUS7001
BH706
L4011
L4012
TP_HALL_INT
CON7902
C4052
C6050
U4005
R5007
VR5000
VR1001
L1018
VR1000
ANT1002
ANT1000
ANT2003
L6015
C6051
ZD6018
R6058
R6901
IFC6001
C6042
C6049
VR7106
C6043
C6046
ZD6900
D6000
ZD6014
C6030
ZD6010
L6013
ZD6022
R6030
BH707
C6033
ZD6901
R6031
L6008
U7012
ZD6012
L6024
C7023
C6025
C7028
ZD6015
R6053
ZD6017
ZD6016
L6014
C6034
C7029
C7705
C7981
C6905
ZD6021
C7980
R6029
C6032
C6031
R6033
R6052
L6012
ZD6008
MIC6001
ZD6500
C6005
GPS_ANT
R6002
L6001
C6001
U6001
C2999
R6004
C2115
C2090
C2105
C2008
F2003
F2002
OSC4010
C2122
HEA7002
C4071
C4072
C2111
C2030
C2092
C7702
ZD7008
C7014
VR7004
C7020
L7001
ZD7009
ZD7010
C7033
R7705
U7017
C7015
U7003
C7022
C7701
CON7000
ZD7011
ZD7012
HEA4001
C4050
C7994
U7052
R4021
R4016
R4020
R4019
C4900C4901
R4044
R4018
R4017
R4045
R4022
C4119
C7016
U7007
CON7901
R3022
U7001
R3021
U7002
R3034
ZD7005
R3033
ZD7006
R3024
R3901
HDC7000
ANT6050 ANT6051
ANT5001
C7005
C7006
C7007
C7008
ZD6102
ZD6904
ANT5004
(VIETMOBILE.VN)
ANT2020
L4000
C4035
C4028
SC4000
R4802
R4800
U4004
R4801
C7993
L4006
C4045
R7903
TP_WLAN_CLK
SDIO_INT
Q4000
R4008
R4025
TP_SD_D4001
TP_SD_D4002
R4015
TP_SD_D4000
TP_SD_D4003
TP_SD_CMD
C7017
R3023
R3902
TP_NFC_TCK
TP_NFC_SWDIO
R6201 R6202
U6008
ZD4910
R6204
ZD4900
R6005
C6016
VR2006
C4007
C4011
R4011
C4031
C4034
C4026
C4000
C4033
C4027
R4000
C4024
C4029
C4032
U4002
C4800
C4008 C4009
C4012 C4013
C4025
C4014
R4010
R4014
C4005
C4006
D6003
D6005
ZD6001
C6801
R4041
R6010R6011
LED7000
TP_NFC_FIRM
C6014
C6015
C4084
R4034
C4089
R6013
C4085
C4088
R6203
U4012
L4021L4022
C4096
C4095
C4093
C4116
C4073
C4075
C4097
C4115
C4076
TA5000
MST_DATA_A_TP
MST_DATA_B_TP
ANT5002
C5119
C5120
ANT5000
TP_NFC_CLK_REQ
C7630
L7007
C7032
SC7103
C7635
C7041
C7083
C7031
L7009
C7034
C6007
C6008
L6002
C6901
U6014
C6017
C6900
C6018
R5145
C5066
C5025
C5070
C5006
C5023
C5028
C5032
C5053
C5022
C5002
C5034
C5045C5046
C5083
L5009
C5018
C5019
C5011
C5015
SC7102
R7021
C7203
L5004
C3031
C7011
R7020
C5072
C3069
TP5980
C3100
C3207
C3062
C3053
C3021
C3036
C3073
C3005
R3018
R3019
R6012
L6003
L6022
C6802
C6009
R3931
R3012R3013
C2003
R3010
TCX2000
R2000
C2000
C2102
R2006
C1048
C1093
L2037
L2039
C2083
C2081
F1006
L2057
C2079
C1055
C1087
C1047
C1054
L1038
C1056 C1057
F1004
C1088
C1046
L1070
L1063
C1051
L1071
C1092
C1096
SC7101
C1029
U1006
C1018
C2059
C2085
C2058
C2060
C2132
C2062
C2087
L2031
L2038
L2026
L2030
L2041
C2086
C2061
C2063 C2064
C2065 C2066
C2133
C2036 C2037
C2038
C2021C2022
PAM2000
L2017
C2034 C2035
C2040 C2041 C2042
L2021
R4950
C4980
ZD4002
ZD4004
ZD4003
ZD4006
HEA4002
OSC4000
C4010
C4015
C6011
C6010
TP4015
C4083
C4077
C4074
C5115
TP4016
C7621
TP_AMP_INT
R5011
R5012
C5071
C5052
C5075
C3204
C3086
C3202
C3099
C3203
C3093
C3200
C3205
C3016
U3002
HDC3000
C2072
C2001
C2073
C2154
C2080
C2078
C1008
L1027
L1028
C1037 C1038
C2002
C2084
L2016
L2040
C2025
C2071
C4911
C4020
C4022
C4018
C4019
C4049
C4041
C4021
D6001
D6002
D6004
C6037
R6008
R6009
C4016
C4003
C4004
U4001
C7043
R7901
C4080
C7048
C4081
C7044C7045 C7046
C4082
HEA7000
U7051
TP_NFC_EN
ANT4001
ANT4002
L7101
U7015
L6025
L6023
C6021
C6019
C5090
C5078
C5205 C5206
C5085
C5086
C5051
C5201
C5202
C5050
C5100
C5098
C5099
C5093
U5007
C5302
L5007
C5005
C3054
C3037
C3043
C3064
C3019
C3080
C3081
C3012
TP_CP5000
R3908
R2003
R3007
L2032
C2069
R2001
R3008
C2070
C2118
U2001
C1022
C1002
L1016
L1019
L1021
L1024
L1029
C1021
C1089
C1026
C1030 C1031
C1041 C1042
C2048
C2039
C2052
C2053
L2012 L2015
L2020
L2024
C2051
C2018
C2028
Model :
Revision :
Manufacture Count :
Charge :
Contact :
Date :
Routing :
VR2002
VR4002
C4100
L4999
L2002
C4888
C4043
C4805
R4040
F4005
F4001
C4101
L4010
C4111
L4003 L4004
L4052
F4000
L4005
C4040
L4008
TP_BT_UART_TXD
TP4009
TP4101
TP_BT_UART_RXD
TP4003
TP4008
TP4000
TP4001
C4023
TP4002
TP4007
TP4011
TP4102
R6007
TP4010
C4001
C4002
C4046C4047
U4000
U4014
C4051
U4003
TP4012
C4030
C4017
R4502
R4501
C7047
C7049
R4001
R4500
R4503 R4504
R4505
TP_NFC_CLK_4000
MST_PWR_EN_TP
HEA5020
Debug_TP
TP_NFC_IRQ
C5121C5123
C7026
C7027
R5911R5912
C4078
C5112
C7024
U4010
L7004
C7025
C4079
U7010
R3047 R3048
F7012F7013
F7011
F7010
F7014
C7084
C7035
C7619
C7030
C7036
C7081
C7620
C7710
C7038
L7008
C7037
C7039
L7010
C7042
C7082
C7622
C7988
C6024
R6016
R6020
C6013
R6018
L6006
R6014
R6015
C6023
C6022
R5017
C5092
R6019
C3038
C5104
C5088
C5089
Q5000
C3039
C5103
C5203
C5204
C5014
C5056
C5013
OSC5000
C5048
C5031
C5026
C5020
C5030
C5101
C5007
C5029
C5027
C5040
C5038
C5001
C5041
C5024
C5033
C5003
C5008
C5017
C5081
C5035
C5021
C5801
C5004
C5016
L5008
C5047
C5301
C5304
R5006
C5010
C5009
C5012
L5003
C6040
C3017
C3071
C5067
C5000
U6010
C3052
C3046
C3063
C3074
C3033
C6039
C3047
C3208
C3101
C6038
C3018
C3002C3003
R6038
C3072
C3026
C3015
C3097
R6037
R6046
R6042
L3000
C3082
R6041
R6039
C3070
C3079
R3209
C3209
R6047
R7888
R3210
C3022
C3023
C3025
C3008
R7889
R6040
R7890
TR6000
R7891
R6024
TR_SPI_CLK
R7892
R6950
TR_SPI_EN
TR_SPI_DATA
TP3901
L4013L4017
R6103 R6104
C4053
C6027
ZD6007
R6102
U4006
TP_COVER_INT
R6101
C4062C4066
C2107
F4002
C2101
C2109
L2036
C4068
C2067
GNSS_ADC_VIN_I GNSS_ADC_VIN_Q
L2049
L2052
C2006
L4024
C2068
TP_SPEEDY
L2056
C2116
C2153
L2035
C2075
C2074
L2045
C2096
C2150
C2076
L2034
C2152
C2077
C2082
L2033
C2134
C2135 C2136
L2046
C2103
L2048
L2051
C2148
L2055
L1001
C1004
C1014
C1095
L1048
C1091
C1062
L1047
C1020
C1016
U1001
L1050
L1023
L1033
L1069
C1000 C1001
L1010
L1014
C1066
L1034
L1011
C1003
L1015
U1005
L1000
C1015
C1058
L1052
L1059
F1005
L1005
L1044
C1059
C1068
L1007
L1066
L1043
L1058
L1017
U1004
L1067
C2023
C2027
F1000
C1098
C1099
U2002
L2023
C2033
L1009
C2032
U2003
L2011
C1005
R2005
L1008
C2004
C2012 C2013
L1037
L1057
L1076
C1052
C1044
C1006
C2045
C1032
F1001
U1010
C1033
C2043
C2044
L2018
L2019
L2060
L1053
L1054
L1055
R1001
R1002
F2004
C1019
R1000
U1002
R1005
C2057
L2025
C1010
C2047
C2049C2050
C2056
L1002
L1006
C1009
C4086
R4035
L4020
C4090
RFS1000
ZD4000
ZD4007
ZD4005
C4094
ZD4008
Resin :
HEA6011
HEA6010
C6004
ZD6905
MIC6000
R6027
R6025
ZD6006
L6009
R6026
U7053
R6065
C1035
L6010
R6001
R6003
C6002
L6000
ZD6903
R6035
L6011
C6026
ZD6013
C1070C1071
R6028
ZD6009
R6904
TH5000
R5019
R5020
C1024
U1009
C1102
C1069
C1036
C1039
L1064
R6066
C1007
U1008
L1065
L1020
C1012
C1013
C1025
VR1006
L1056
L1025
C1094
VR1007
ANT1004
ANT1001
8. Level 3 Repair
Power Supply
+ driver, ESD Safe Tweezer
8960 & Spectrum Analyzer
Soldering iron
8-3. Flow chart of Troubleshooting.
Oscilloscope Digital Multimeter
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Distribution, transmission, or infringem ent of any co ntent or dat a f rom this document without Samsung’s written authorization is strictly prohibited.
8. Level 3 Repair
Sound or Vibration is ok?
Check the Clock TCX2000 & U2001
Is the frequency 26MHz?
Yes
No
Yes
Yes No
No
Yes
No
Yes
No
Yes
Check the Battery Voltage.
Is it more than 3.8V?
Yes
8-4-1.
Power on
Mobile phone does not power on.
Power-on the phone and check
the power-on sound
or motor Vibration.
Charging the battery by TA.
If its voltage level is extremely low
(under 3.0V),
Change the battery.
Change the FRONT-LCD ASSY
Check the voltage level at
R5800 while pressing power
key. Is the voltage high?
Check the signal of
PMIC_PWR_HOLD = 1.8V
Check the initial operation
Replace the Power key FPCB
Check the output voltage of U5007
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,
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.
※ Each voltage level has ±10% margin.
Replace the TCX2000 & U2001
※ Test condition (Oscilloscope setting)
: 20.0us.div (time division)
END
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8. Level 3 Repair
NO
NO
Yes
NO
YES
8-4-2. Charging Part
TA / USB Insert
L6015= 5V or 9V
L5001=5V or 9V
Start Charging
Reconnect TA or USB
or Repair IFC6 001
Repair U6010
Repair U5005
END
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Distribution, transmission, or infringem ent of any co ntent or dat a f rom this document without Samsung’s written authorization is strictly prohibited.
8. Level 3 Repair
Re-download Software
Check the U5007 Voltage
NO
Normal
YES
Normal
8-4-3. initial
Initial Failure
Re check “8-4-1 Power on”
Trouble shooting process
Change UME3000.
Do not use Blank MEMORY
Change PBA
END
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8. Level 3 Repair
Yes
Yes
Yes
Yes
8-4-4. T-Flash Part
Insert T-Flash card
Is SIM2 socket ok?
Check the T-flash Voltage.
(C6011) = 3.0?
Check the t-flash
CMD /Data/CLK.
(D6002, D6005, C6009) No
signal
No
No
No
Replace SIM2 socket
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)
Check the U3001 (Crack etc)
END
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Distribution, transmission, or infringem ent of any co ntent or dat a f rom this document without Samsung’s written authorization is strictly prohibited.
8. Level 3 Repair
Yes
Yes
= 1.8V or 3.0?
Yes
Yes
8-4-5. SIM PART
Is SIM1or2 socket ok?
Insert SIM card
No
Replace SIM1 or 2 socket
Check the SIM1 or 2 Voltage.
SIM1(C6028)or SIM2(C6015)
Check the SIM
RST / IO / CLK.
SIM1 : (R6101, R6103, R6102)
SIM2 : (R6201, R6203, R6202)
No signal
END
No
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)
Check the U3001 (Crack etc)
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Distribution, transmission, or infringem ent of any co ntent or dat a f rom this document without Samsung’s written authorization is strictly prohibited.
8. Level 3 Repair
L6015 =5V
R6058= About 550ohm
8-4-6. OTG
OTG does not work
Check the Voltage of IF
YES
Check the Voltage of
YES
Check the resistance of
No
Check the U5005
No
Check the U6010
No
Check the IFC6001
END
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Distribution, transmission, or infringem ent of any co ntent or dat a f rom this document without Samsung’s written authorization is strictly prohibited.
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