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
8-1. Components Layout
MAIN PBA (TOP SIDE)
MAIN PBA (BOTTOM SIDE)
Helpful-Man
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
SUB PBA (TOP SIDE)
SUB PBA (BOTTOM SIDE)
SAMSUNG
SM-A022F/G/M, M022F/G/M
Common
Helpful-Man
Helpful-Man
CONFIDENTIAL
VDD_SIM1_1P8_3P0,
VDD_SIM2_1P8, 3P0,
VDD_TFLASH_3P0, VDD_IO_1P8
SIM/SD CARD
SM-A022F_REV0.0 BB Block Diagram
SIM1~2_DATA
T_FLASH_D(0~3)
SIM_DET
TFLASH_DET
SIM1~2_RST
SIM1~2_CLK
T_FLASH_CLK
VCCQ_EMMC, VDD_EMMC_3P0,
VDD_IO _1P8, VDD_DRAM_1P24
2020.10.12
VBAT
VBAT
SPK
AP7341D-30FS4-7R
LDO
ET51533YB
LDO(NC)
VDD_IO _1P8, VBAT
SPK_OUT_N/P
VDD_IO _1P8
VDD_GRI P_3P3
VDD_SENSOR_3P3
AW8896CSR
SPK AMP
ISG5320A
GRIP SENSOR
ISG5320A
GRIP SENSOR 2
GP2AP110S00F
PROXY
SENSOR(NC)
SPK_AMP_I2C_SCL_1P8/
SPK_AMP_I2C_SDA_1P8
SPK_I2S3_DI/O
SPK_I2S3_BCLK/WS
SPK_AMP_RST
GRIP_I2C_SCL_1P8
GRIP_I2C_SDA_1P8
GRIP_INT
GRIP_I2C_SCL_1P8
GRIP_I2C_SDA_1P8
GRIP_INT2
SENSOR_SCL_1P8/
SENSOR_SDA_1P8
PROXY_INT
MT6739
AP
EMMC_D(0~7)
EMMC_CLK/RCLK/CMD/RST
DDR3_DQ(0~31)
DDR3_DQS(0~3)_N/P
DDR3_DM(0~3)
DDR3_CA(0~9)
DDR3_CS(0~1)
DDR3_CKE
DDR3_CLK_N/P
VREF_EMI
VBUS_IF, V BAT,
VBATTERY_SR, VDD_IO_1P8
USB_AP_D_N/P
IFPMIC_MRSTB
CAM_FLASH_EN
CAM_TORCH_EN
FG_I2C_SCL_1P8/FG_I2C_SDA_1P8
IF_I2C_SCL_1P8/IF_I2C_SDA_1P8
IF_PMIC_INT
FG_ALERT_N
CAM_FLASH_EN
CAM_TORCH_EN
KMFE60012M-B214
MEMORY
S2MU005X03-6030
IF PMIC
FG_SENSE_P/N
VBATTERY_CON
VSSFG
USB_ID
USB_D_N/P
BAT CON
IF CON
VS1_PMU_2P1
VS1_PMU_2P1
VBAT
ET51518YB
LDO
AP7343D-105FS4-7B
LDO
ET53028YB
LDO
VDD_SENSOR_1P8
VDD_FCAM_AVDD_2P8
VDD_FCAM_DVDD_1P2
VDD_CAM_IO_1P8
VDD_RCAM_DVDD_1P05
VDD_RCAM_AVDD_2P8
LIS2DLC12TR
ACCEL. SENSOR
5M FRONT
CAM
13M REAR
CAM1
FSYNC_MAIN_OUT
SENSOR_SCL_1P8/
SENSOR_SDA_1P8
ACC_INT
FCAM_MIPI_D0~1_N/P
FCAM_MIPI_CLK_N/P
FCAM_MCLK
FCAM_RST_N
FCAM_SENSOR_RCAM_AFEEP_I2C_SDA_1P8
FCAM_SENSOR_RCAM_AFEEP_I2C_SCL_1P8
RCAM_SENSOR_I2C_SCL_1P8/
RCAM_SENSOR_I2C_SDA_1P8
RCAM1_MIPI_D0~3_N/P
RCAM1_MIPI_CLK_N/P
RCAM1_MCLK
RCAM1_RST_N
MEMORY
F : 2GB+16GB
VBAT, VDD_MDEM, V DD_CORE, VDD_DVFS,
VPA_PMU, VS1_PMU_2P1, VDD_IO_1P8
AUD_DAT_MOSI0~1
AUD_CLK_MOSI
AUD_SYNC_MOSI
SRCLKENA0~1
WATCHDOG
AUD_DAT_MISO0~1
AUD_CLK_MISO
AUD_SYNC_MISO
SYSRSTB
RTC32K_CK
PWRAP_SPI0
MT6357
PMIC
AP JTAG
AP_UART
VDD_RF_1P2, VDD_RF_1P8, VDD_S IM1_1P8_3P0, VDD_SIM2_1P8_3P0,
VDD_CN_1P8, VDD_CN_2P8, VDD_IO _1P8, VDD_IO _2P8,
VDD_SRAM_PROC_B, V DD_SRAM_CORE, VDD_FCAM_AVDD_2P8,
VDD_FCAM_DVDD_1P2, VDD_CAM_IO_1P8, VDD_AUD_2P8,
VDD_AUX_1P8, VDD_CN_3P3,V DD_DRAM_1P24, VDD_EFUSE_1P8,
VDD_EMMC_3P0, VDD_FEM_2P8, VDD_RCAM _AF_2P8, V DD_MC_3P0,
VDD_MCH_3P0, VUSB_P MU, V DD_XO_2P24
VDD_MOTOR_3P3
MOTOR
X2R026000BZ1HAZ-DHPZ
OSC
VS1_PMU_2P1
VBAT
VS1_PMU_2P1
ET51518YB
LDO
ET51518YB
LDO
ET51518YB
LDO
RCAM2_DVDD_1P8
RCAM2_AVDD_2P8
VDD_LCD_1P8
2M REAR
CAM2(Macro)
6.55" HD+
TFT HID
VSP_5P9
VSN_-5P9
LM36274YFFR
BLIC
LCD_PWM_CON
LED_A_24P
RCAM_SENSOR_I2C_SCL_1P8/
RCAM_SENSOR_I2C_SDA_1P8
RCAM2_MIPI_D0_N/P
RCAM2_MIPI_CLK_N/P
RCAM2_MCLK
RCAM2_RST_N
LCD_ID1~2
LCD_CON/ESD_DET
MIPI_DSI0_D0~3_N/P
MIPI_DSI0_CLK_N/P
TSP_INT
LCD/TSP_RST
TP_SPI_CLK/MOSI/MSIO/CSN
BLIC_I2C_SCL_1P8/
BLIC_I2C_SDA_1P8
LCD_BL_EN
G : 2GB+32GB
Audio
Codec
RCV_N/P
MAIN_MIC_N/P
SUB_MIC_N/P
EAR_MIC_N/P
ACCDET1
EAR_OUT_R/L/FB
EAR_L_DET
RCV CONTACT
MAIN MIC
SUB MIC
EAR MIC
EAR_MIC_3.5P
EARJACK
CON
VOL_UP VOL_DN
VOL UP VOL DN
POWER_KEY_SW
POWER KEY
SUB ANT(L/M/HB)
SM-A022F/G/M, M022F/G/M
WIFI GPS
Main2 ANT
(HB)
Main ANT
LB/MB/HB
Main2 ANT
CIS
1/ 3/ 5/ 7/ 8/ 20
FDD
38/ 40/ 41
TDD
1/ 5/ 8
3G
850/ 900/ 1800
Main1 ANT (LB/MB)
2G
SEA
1/ 3/ 5/ 7/ 8/ 20/ 28
38/ 40/ 41
1/ 5/ 8
850/ 900/ 1800
Coaxial Cable
GRIP IC_1
ANT Switch
ANT Switch
MXD8548E
MXD8548E
HB
GRIP IC_2
1/ 2/ 3/ 4/ 5/ 7/ 8/ 12/ 17/ 20/ 28/ 66
850/ 900/ 1800/ 1900
LA
1/ 2/ 4/ 5/ 8
SM-A022F/DS_REV1.0 RF Block Diagram
MMMB
SKY77621-31
3G/4G LB
GSM LB
GSM HB
3G/4G HB
WIPS33232-01
High-Band PAM
TX_B5/8/20/28
TX_GSM_LB
TX_GSM_HB
TX_B1/3
PRX_B5
PRX_B28
PRX_B8
PRX_B20_12_17
PRX_B3_2
PRX_B1
PRX_B7
TX_B7/38/40/41
PRX_B38_40_41_4_66
PDET
Embedded
Coupler
Embedded
Coupler
SP10T
MXD86A7S
SP10T
TRX_B5
TRX_B28
TRX_B8
TRX_B20_2
TX_GSM_LB
TX_GSM_HB
TRX_B1
TRX_B3
TRX_B2
TRX_B4_66
CIS/SEA: NC
LATIN: B4_66
SFMD3L0F001
SP4T
CIS/SEA: B20
LATIN: B12_17
CIS/SEA: NC
LATIN: B2
B7
B40
B41
AUX
CIS/SEA: TDD
LATIN: B4_66
TXO5
TXO3(2G)
TXO4(2G)
TXO2
PRX04
PRX05
PRX03
PRX07
PRX02
PRX01
PRX07
TXO1
Transceiver
MT6177MV/B
PRX06
TXDET1
DRX07
DRX08
DRX10
DRX09
DRX04
DRX01
DRX03
DRX02
DRX_B8
DRX_B5
DRX_B28
DRX_B20_12_17
DRX_B1_3
DRX_B7
DRX_B38_41
DRX_B40
WiFi/BT/GPS/FM
MT6625L
CIS/SEA: B1_3
LATIN: B2_66
GPS_RFIN
PRX13
FM_LANT_P/N
CIS/SEA: B20
LATIN: B12_17
CIS/SEA: B38_41 SMD, B40 SMD
LATIN: B38_41 NC, B40 -> B3
GPS_RFIN
WB_RF_2G
RF2G
FM_ANT
SP8T
MXD8680S
Sub ANT
LB/MB/HB
SP8T
ANT Switch
MXD8548E
WiFi ANT
GPS ANT
ANT6001
SM-A022F/G/M, M022F/G/M
Common
Helpful-Man
GAS1001
ANT6000
SIM5001
SIM5000
SIM5002
C1046
C2076
C4063
C2074
L1032
U2009
R1006
C2036
C2075
C1035
R1002
R1001
ZD1001
ANT5000
ANT5001
R4020
TP_SYSRSTB
U2014
C2070
R2002
C5102
C5101
D5001
TP2003
TP2002
TP2001
TP2000
HDC4000
GND
ID
VBUS
CON5000
GAS1002
R5043
R5045
SIM5003
GAS1003
TP_ACC_INT
C3025
R4015
C3026
U3004
R4027
C3020
U3002
C5003
R5006
ZD5001
R5004
C5054
C5053
C3019
C7005
C7012
U7002
C7011
BOTH5000
C7004
C7000
SOC7000
R7009
R7010
U7011
U7012
C7046
C7045
ZD7004
C7053
C7156
C7052
ZD7000
C7002
ZD7003
ZD7005
R4009
L7000
R4011
C7051
R5038
ZD7001
C7008
U7000
C7010
R5046
C7208
ZD5003
SC6000
U6000
C5104
ZD5002
ZD5004
R5024
R5032
R5031
C5119
R5027
R5017
C5116
D5000
R5030
C5125
C5088
C5089
C5081
Q5000
R5029
R5035
C5121
R5026
C5079
R5028
R5008
R5021
C5115
R5022
C5060
L5004
R5003
L5014
C5084
R5005
C5087
C5058
C5059
C5071
C5068
C6023
C5066
L5015
U5001
C5124
ANT5005
ANT5004
ANT5002 ANT5003
ANT5006
C5093
ZD5014
C5073
C5063
C5075
C5080
C5123
R5019
C5076
C6009
R6008
R6032
C6007
R6022
R6002
C6018
R6017
C6014
C5067
R6025
R6029
L6009
R6009
C5065
R6026
C7018
L7007
C6043
L7012
L7011
C6002
L6014
D7000
R6001
C6013
R6004
C6008
C7039
C7153
C4042
C7021
U7014
L7008
C7014
L7009
C7013
TP_BCLK
TP_DI
TP_WS
R4023
R4024
TP_INTN
TP_RST
TP_DO
U6001
C6004
C6003
C6006
C6010
C6011
C7040
C7155
C7193
L6000
C6001
C6005
R6007
ZD6000ZD6001
L6013
C6042
R6003
C5009
R4033 R4034
R6031
R6000
R4026
C4031
R4025
R4003
R4010
R6028
C4043
R4021
C4019
C4044
C4041
TH4000
R6013
R4005
R4013
R4004
R4012
R6018
TP5004
L5013
C5057
R5039
C4027
R4007
R4014
C4035
U7001
C7001
R4028
TR6000
R6015
R6010
R6011
C7024
C4006
R4019
C4040
C4005
C4026
R4031
R4008
C4024
C4067
C4068
C4036
R4022
TP_WATCHDOG
C4008
R4032
R4002
UCP400
TP5006
R5002
TP5007TP5008
C4020
C4029
C4039
R4016
R4038
R6027
TP5002
TP_SRCLKENA5000
TP_SRCLKENA5001
R4029
UME5000
C5064
C5095
C5105 C5107
D6001
TP5000 TP5001
TP5003
TP5005
R6006
C6012
C6022
C6029
R6005
CON5001
SM-A022F/G/M, M022F/G/M
Common
R5033
R5036
R5041
ANT2000
C2015
C2002
L2006
L2002
ANT2001
C2033
L2007
L2009
L2017
C2000
L2004
L2003
U2000
C2049
C2048
L2023
C2050
L2022
C2052
F2008
C2054
F2000
L2100
C2105
L2005
C5109 C5110
L2015
C2051
C2038
LED5000
C5112
C5108
C5096
C5114
C5111
C5070
C5106
L2008
L2012
U2003
C2056
C2055
C2014
C2065
F2004
L2035
L2036
C2040
C2008
C2045
C2044
L2011
L2065
C2010
L2013
L2014
L2016
C2057
F2002
C2003
L2001
L2024
C2037
L2030
L2042
C2041
C2091
L2033
L2020
C2089
L2059
L2067
C2093
C2092
C2006
C2028
C2053
C2007
F2001
C2035
L2000
C2034
L2021
SOC7002
C5120
C5118
C5113
C5117
R5012
C5055
R5048
R5047
C2016
C2018
C2042
C2043
U2002
C2095
C2047
L2066
F2005
L2019
C2068
C2097
C2004
L2010
L2018
L2026
C2046
U2001
L2027
L2043
L2025
C2094
SC6002
R4030
R4006
C7033
C7025
C7034
U7013
C7029
C7157
U7003
C7030
C7027
L7004
C7026
ZD7002
C4034
R4017
C4060
ZD5000
R4018
C4061
C5100
C5056
SOC5000
C3040
C3008
C3009
F1009
L1078
L1003
C1123
F3001
L3016
C1087
L1011
C1033
L1083
C1102
F1013
L3011
C1073
C1074
C1055
C1056
L1057
L1055
C1045
U1002
L1097
L3010
L1087
L3003
L3019
C3039
L3006
L3017
L3007
C3005
U3005
R1004
C1037
R1005
C1030
C1058
L1092
F1001
F1000
C1122
C1031
C1111
L1068
L1035
C1092
L1016
F1011
L3000
C3007
C3006
C1029
R1007
ANT3003
L3020
C3037
L3018
C3038
L1094
C1066
L1042
C1126
L3004
F3000
L3005
C3004
L3001
C3014C3015
L1067
C1026
C1065
C1018
RFS1001
C1024
C1011
L1048
L1045
C1059
C1072
C1068
L1066
C1023
L1031
ANT1002
L1090
C1022
C1021
C1028
C1020
L1019
C1032
C1036
L1012 L1013
ANT1001
C1080
C1017
RFS1000
TP1001
TP1000
ANT3000
C3001C3002
L3002
L6001
L6016
C6045
C6046
L6015
C6044
C2005
C2021
C2013
C2025
R2001
C2067
C2001
C2009
C2032
C2069
C2026
SOC7001
C7015
R4000
R4001
C5045
C5097
C5044
C5002
C5006
C5008
C5015
C5023
C5018
C5019
C5012C5013
C4001
C4004
C4037
C4007
C4038
C4003
C5027
C5028
C4009
C4065
C7140
C7017
L7001
C5103
R5016
C5099
R4035
R4036
C5046
C5017
C5014
C5048
C5049
C5050
C5024
L5000
C4033
C5025
C4000
C5026
C4017
C4021
C4002
C4030
C4058
TP_RTC5000
C5022
C5021
C5083
C5082
C5020
C4018
C4025
C4055
C5091
R5011
C5016
C5005
U5000
C5030 C5031
L5002
C5035
C4059
C5036
C5042
OSC5000
R5014
C5098
C5037
C5039
C5032 C5033
L5001
C6027
R5023
R5025
C5092
C5090
L5021
C5051
R5015
C5004
C5052
C5007
C5038
C5069
C5001
L5007
L5006
C5085
C5047
C5040
C5034
R5044
L5003
C7041
C6024
C7019
C6021
R6014
C6025
C6026
SOC6000
L7010
R5013
L5005
C5043
C2020
C2024
R6012
C5061
C5062
R5018
C5000
R5007
C5078
R6016
C5077
C6030 C6031
C7207
C5086
L6007
C7206
R5042
R5020
R5010
C5072
C5074
R5009
C5041
R5001
C5011
C5010
C5029
C7042
C7043
C6000
C7037
C7038
C1038
U2005
C2060
C2061
C2062
C2022
C2066
C2019
L1086
C2064
C1086
C2063
L1084
L1072
PAM1001
C1088
C1050
C1090
R1012
C1093
C1098
TH1001
L1001
C1004
C1027
R1000
C1003
C1054
C1000
C1006
SC6001
L1000
C1005
C1052
C1041
L1002
C1085
C1015
L1037
L1010
C1013
C1014
L1007
C1007
C1008
C1009
C1016
C1001
C1002
R4037
TP_UB0
TP_UB1
L6011
C6016
C6017
C2011
C2012
C2017
C1089
L1044
L1060
C1040
C1117C1119
C2031
C1110
C2029
L1075
U1001
C2030
L1095
L1102
C1057
C2039
L1065
L1079
C2059
L1049
L1063
L1039
C1034
C1096
C2027
L1053
C2058
L1028
L1070
C1077
C1091
C2023
C1105
L1100
L1074
C1079
C1097
C1044
L1046
L1088
C1078
L1081
L1082
C1083
U1000
L1061
L1080
C1069
C1095
C1094
ZD1000
L1026
L1040
L1041
C1010
PAM1000
L1022
L1015
C1053
L1018
L1047
C1019
C1047
L1029
L1050
C1051
L1038
C1049
L1014
L1008
L1062
L1006
L1009
L1020
L1005
L1021
C1039
L1004
C1012
L1023
L1017
C1042
L1030
L1033
L1034
USB_N USB_P
BOOT1
L3014
C3033
L3012
L1024
F1006
C1060
C1025
L1027
L1036
C1043
L1051
F1012
F1008
L3009
L3015
U3000
C3000
TP3000
C3030
L3013
TP3001TP3002
TP3003
C3010
L1025
L1076
C1061
C1048
C1075
L1043
L1056
L1059
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
8-4-1. Power On
Mobile phone does not power on.
Yes
Change the FRONT-LCD ASSY
Yes
No
Charging the battery by TA.
If its voltage level is extremely low
(under 3.0V),
Change the battery.
Yes
END
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
R5024 while pressing power
key. Is the voltage high?
No
Replace the Power key FPCB
Yes
Check the signal of
POWER_KEY_SW = 1.8V
No
Check the output voltage of U5002
L5000=2.1V, L5002=0.8V, L5001=0.8V,
L5003=0.8V, L5005=0.5V, C5012=0.9V,
C5013=0.9V,
If the output voltage is not normal, Change the
U5000
※ Each voltage level has ±10% margin.
Yes
Check the initial operation
Check the Battery Voltage.
Is it more than 3.5V?
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
Yes
END
Abnormal
Re Check "Power on"
Trouble shooting process
Abnormal
Check the OSC5000
(Crack, open etc.)
Check the U5000 (Crack etc)
Normal
Change U5000
Re-download latest SW on the
mobile phone
Abnormal
Change PBA
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
No service
Yes
Yes
END
Check the Voltage
C2066/C2022/C2025/C2026: 1.8V
C2024/C2067: 1.2V
No
Replace the U2005
Home screen → Phone →
Keypad → *#1234# → Check
Phone version → CP :
A022FXXXX or unkown
Yes
CP : A013FXXX
Check the soldered state of RFS1000
Check the clock OSC5000
Is the frequency 26MHz?
No
Yes
Replace the OSC5000
Replace the U2005
Yes
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
8-4-4. SIM Part
Insert SIM card
Yes
No
Is SIM socket ok?
Yes
No
Replace SIM socket
Yes
Yes
END
Check the SIM1 or 2
Change to the new SIM card.
If it doesn`t still work SIM card after
changing
the SIM card, Check the U5000
(Crack etc)
Check the SIM1 or 2 Voltage.
SIM1(C5054)or SIM2(C5053)
= 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 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
8-4-5. T-Flash Part
Insert T-Flash card
Yes
END
Check the T-flash Voltage.
(C5103) = 3.0V?
No
Change to the new T Flash card.
If it doesn`t still work T Flash card after
changing
the T FLASH, Check the U5000
(Crack etc)
Is SIM socket ok?
Yes
No
Replace SIM socket
Yes
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. Cable Charging Part
Insert TA / USB
Yes
Yes
END
Check the
VBUS_OVP(C6029)=5V
No
Replace U6000
Charging Sequence Start
VBUS_IF_5V0 (C1023) = 5V
Yes
No
Replace SUB PBA
Battery is Charging?
No
Yes
Replace U5001
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. Accel. Sensor
Accel. Sensor does not work
Yes
END
Check U3004
(crack, open, etc.)
Abnormal
Replace U3004
Check the voltage
C3025, C3026 = 1.8V
Yes
No
Replace U3002
Yes
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
8-4-8. Microphone Part - Main MIC
END
Check main microphone function
in voice call Handset mode or voice recorder
Yes
Check MIC1000
(crack, open,
damaged)
No
Replace MIC1000
Yes
Check the C5077 =
1.9V?
No
Replace U5000
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
8-4-9. Speaker Part
Check speaker function.
Play MP3 with maximum volume level.
Yes
Check C-clips
ANT1004, ANT1008
No
Resolder or Replace the C-clips
ANT1004, ANT1008
Yes
Yes
END
Replace speaker module
Check the PWM
output at L1006, L1008
No
Replace L1006, L1008
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
8-4-10. Receiver Part
Check receiver function
in voice call receiver mode
Yes
Check RCV module
where RCV's placed
for any damage
No
Resolder or Replace
ANT6000, ANT6001
Yes
Check the signals on
L6001, L6011
No
Replace U5000
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
8-4-11. BT/WIFI
BT/WIFI is not working
Yes
No
Enable BT or WIFI function.
END
Yes
Check the status of U3005
No
Resolder or change the
U3005
Yes
Check the Status of ANT3000 ~
L3001
No
Replace of
U5000
Check BT or WIFI function ON
Yes
Yes
Check the voltage
C3014 = 1.8v, C3015 = 1.8v,
C3006 = 3.3v, C3007 = 3.3v,
C3005 = 2.8v
Resolder or Replace of
ANT3000 ~ L3001
No
Yes
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
8-4-12. GPS
GPS is not working
Yes
No
Enable GPS Function in the setting.
Yes
END
Yes
Check the Antenna connect
ANT3003
No
1. Resolder or Replace ANT3003
2. Replace REAR
Yes
Check(crack,open,etc)
L3012 = 2.8v
L3013 & C3030 = High
L3010 ~ L3003
No
Resolder or change the wrong element
(open, crack, deviation, etc)
Yes
Resolder or change U3005
Check GPS function ON
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
8-4-13. Display
LCD is still off after PWR ON
Yes
No
Reconnect the SOC6000
Yes
Check
VDD_LCD_1P8 = 1.8V (C6027)
No
Resolder or Replace the U7001
Yes
Check the connection of
SOC6000
END
Replace the Display module
Yes
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
8-4-14. 13M/2M REAR CAMERA
Check the voltage
C7004, C7156: 2.8V
C7053: 1.2V
C7052, C7157, C7025: 1.8V
No
Resolder or Replace U7000, U7002, U7013, U7003
“Camera” function does not work
Yes
No
Reconnect the SOC7000, SOC7002
Yes
Check the Camera connector on Main
PBA
Yes
END
Yes
Replace the camera module
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
8-4-15. 5M FRONT CAMERA
“Camera” function does not work
Yes
No
Reconnect the SOC7001
Yes
Check the Camera connector on Main
PBA
Yes
END
Check the voltage
C7015 : 1.8V
C7140 : 1.2V
C7107 : 2.8V
No
Resolder or Replace U5000
Yes
Replace the Front camera module
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
8-4-16. Motor
Yes
END
No
Resolder or Replace : U5000
Motor does not work
Yes
No
Resolder or Reconnect
ANT 5000, AN T5001
Yes
Check the Clip on PBA
ANT5000, ANT5001
Yes
Replace Motor
Check the voltage C5102 on PBA
C5023 > = 3.3V
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
8-4-17. FM radio part
FM is not working
Yes
No
Enable FM Function.
Yes
END
Yes
Check the voltage of
C3005 = 2.8v
No
Resolder or Replace U5000
Yes
Check the status of Main FPCB
No
Replace Main FPCB
Resolder or Replace
U3005
Yes
Check the FM function
Yes
Check the status of
C1030
No
Resolder or Replace C1030, SUB PBA
Check the status of L3007
Is it ok?
No
Resolder or Replace L3007
Yes
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
8-4-18. GSM 850/900/1800/1900, WCDMA B1/2/4/5/8,
LTE B1/2/3/4/5/8/12/17/20/28/66 PRx
END
Check ant path any damage
(ANT1003~ANT1000, ANT1007~SW1000)
Is it ok? (SUB PBA)
Check RX path any damage
(RFS1000~U1002, U1002~U2005)
Is it ok?
Check U1002, U2005
any damage
(Crack, open, etc), is it ok?
Change the board
Resolder or change
Antenna path components
Resolder or change
RX path components
Resolder or change
U1002, U2005
NO
NO
NO
YES
YES
YES
YES
YES
It is not catching the channel
In normal condition
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
8-4-19. LTE B7/38/40/41 PRx
END
Check ant path any damage
(ANT1002 ~ RFS1001)
Is it ok?
Check RX path any damage
(RFS1001~U1000)
Is it ok?
Check U1000, U2005
any damage
(Crack, open, etc), is it ok?
Change the board
Resolder or change
Antenna path components
Resolder or change
RX path components
Resolder or change
RX path components
NO
NO
NO
YES
YES
YES
YES
YES
It is not catching the channel
In normal condition
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
8-4-20. WCDMA B1/2/4/5/8, LTE B1/2/3/4/5/8/12/17/20/28/66 DRx
END
Check ant path any damage
(ANT2000~U2000, ANT2001~U2003)
Is it ok?
Check RX path any damage
(U2000~U2005, U2005~U2001)
Is it ok?
Check U2000, U2005, U2001
any damage
(Crack, open, etc), is it ok?
Change the board
Resolder or change
Antenna path components
Resolder or change
RX path components
Resolder or change
U2000, U2005, U2001
NO
NO
NO
YES
YES
YES
YES
YES
It is not catching the channel
In normal condition
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
8-4-21. LTE B7/38/40/41 DRx
END
Check ant path any damage
(ANT2000~U2000)
Is it ok?
Check RX path any damage
(U2000~U2002, U2002 ~ U2005)
Is it ok?
Check U2000, U2002, U2005
any damage
(Crack, open, etc), is it ok?
Change the board
Resolder or change
Antenna path components
Resolder or change
RX path components
Resolder or change
U2000, U2002
NO
NO
NO
YES
YES
YES
YES
YES
It is not catching the channel
In normal condition
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
8-4-22. GSM 850/900/1800/1900, WCDMA B1/2/4/5/8,
LTE B1/2/3/4/5/8/12/17/20/28/66 Tx
END
Check ant path any damage
(ANT1003~ANT1000, ANT1007~SW1000)
Is it ok? (SUB PBA)
Check TX path any damage
(RFS1000~U1002, U1002~PAM1000)
Is it ok?
Check TX path any damage
(PAM1000 ~ U2005)
Is it ok?
Change the board
Resolder or change
Antenna path components
Resolder or change
TX path components
Resolder or change
TX path components
NO
NO
NO
YES
YES
YES
YES
YES
It is not catching the channel
In normal condition
Check U1002, PAM1000, U2005
any damage
(Crack, open, etc), is it ok?
Resolder or change
TX path components
NO
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
8-4-23. LTE B7/38/40/41 Tx
END
Check ant path any damage
(ANT1002~U1000, U1000~PAM1001)
Is it ok?
Check TX path any damage
(PAM1001~U2005)
Is it ok?
Change the board
Resolder or change
Antenna path components
Resolder or change
TX path components
Resolder or change
TX path components
NO
NO
NO
YES
YES
YES
It is not catching the channel
In normal condition
Loading...