8-1. Components Layout
8. Level 3 Repair
MAIN PBA (TOP SIDE)
MAIN PBA (BOTTOM 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
SUB PBA (TOP SIDE)
SUB PBA (BOTTOM 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.
SDR
660
SM
6150
NFC
PN
80
T
NFC_SPI
NFC
ANT
NFC_FIRM
NFC_IRQ_N
NFC_CLK_REQ
RFFE1_CLK
RFFE1_DATA
NFC_SPI_SCLK
NFC_SPI_MISO
NFC_SPI_MOSI
NFC_SPI_CS_N
NFC_SDA_1P8
NFC_SCL_1P8
QLINK_RX1_N
QLINK_RX1_P
QLINK_TX1_N
QLINK_TX1_P
BT
/
WIFI
/
FM
WCN
39
80
WIFI
5
G
SPDT
BGS
12
WN
6
WL
_
RFI
_
5
G
_
CH
0
PA
_
EN
_
5
G
WL
_
BB
_
IQ
_
R
X
WL
_
BB
_
IQ
_
T
X
BT
_
FM
_
DATA
38
.
4
M
_
CLK
LMB
MMMB PA
SKY
77656
-
11
MAIN
2
ANT
H
B
SP
4
T
BGS
14
MPA
9
B
7
Duplexer
SAYEY
2
G
53
BD
0
F
3
K
HB PAM
SKY
77786
-
11
TX
_
TR
_
OUT
_
B
7
_
38
_
40
_
41
_
CH
0
PRX
_
TR
_
IN
_
B
7
Coupler
LDJ
18829
M
28
DG
014
MAIN CA FEMid
D
5328
TX
_
PA
_
OUT
_
B
1
TX
_
PA
_
OUT
_
B
2
TX
_
PA
_
OUT
_
B
3
TX
_
TR
_
OUT
_
B
1
_
2
_
3
TX
_
TR
_
OUT
_
GSMHB
TX
_
TR
_
B
5
_
8
_
20
TX
_
TR
_
OUT
_
GSMLB
PRX
_
TR
_
IN
_
B
5
_
G
850
PRX
_
TR
_
IN
_
G
1800
_
B
3
PRX
_
TR
_
IN
_
G
1900
_
B
2
SAW
B
8347
SAW
SFDG
93
AQ
902
LNA
BGA
7
H
1
BN
6
PRX
_
TR
_
IN
_
B
38
_
40
_
41
DRX LFEM
S
KY
13745
-
21
SAW
SAFFB
1
G
56
KE
0
F
3
K
PRX
_
TR
_
EGSM
_
B
8
DRX
_
TR
_
IN
_
B
2
_
3
_
GSMHB
DRX
_
TR
_
IN
_
B
7
_
38
_
40
_
41
GPS
_
RF
_
IN
DRX
_
TR
_
IN
_
B
1
DRX
_
B
38
_
41
DRX
_
B
40
LNA
MXDLN
16
U
DRX
_
TR
_
IN
_
B
5
_
8
_
20
PRX
_
HB
1
TX
_
CH
0
_
HB
1
PRX
_
MB
4
TX
_
CH
0
_
MB
1
TX
_
CH
0
_
LB
1
TX
_
CH
0
_
LB
2
TX
_
CH
0
_
MB
2
TX
_
FBRX
_
P
PRX
MB
3
PRX
_
LB
5
PRX
_
LB
4
PRX
_
MB
1
Diplexer
DPX
202700
DT
-
4
1
62
A
1
GPS
_
ANT
_
TEST
SAW
SF
HG
52
AA
002
SAW
SFDG
_
93
AQ
902
SAW
S
FWG
62
DBB
02
DRX
_
LB
2
DRX
_
MB
1
DRX
_
MB
3
GNSS
_
IN
TRX
_
B
38
_
41
TRX
_
B
40
TRX
_
B
7
DRX_B
2
_
66
TX
_
PA
_
OUT
_
B
8
TX
_
PA
_
OUT
_
GSMLB
TX
_
PA
_
OUT
_
GSMHB
TX
_
PA
_
OUT
_
B
5
PRX
_
ANT
_
LB
PRX
_
ANT
_
MB
DRX
_
ANT
_
MB
DRX
_
ANT
_
LB
DRX
_
ANT
_
HB
RF Band Information
GSM
:
850
/
900
/
1800
/
1900
WCDMA
:
B
1
/
B
2
/
B
5
/
B
8
LTE FDD
:
B
1
/
B
3
/
B
5
/
B
7
/
B
8
/
B
20
LTE TDD
:
B
38
/
B
40
/
B
41
BT
/
BLE
:
2402
~
2480
MHz
WiFi
2
.
4
GHz
:
2412
~
24
7
2
MHz
WiFi
5
GHz
:
5180
~
5825
MHz
Diplexer
DPX
252690
DT
-
5
3
25
A
1
K
TR
_
FBRX
ANTLB
ANTMB
ANT_M
ANT_L
ANT_H
QLINK_RX2_N
QLINK_RX2_P
QLINK_RX3_N
QLINK_RX3_P
QLINK_CLK_N
QLINK_CLK_P
BT
_
FM
_
CLK
WL
_
BT
_
RFIO
_
2
G
_
CH
0
Diplexer
DPX
105950
DT
-
6116
A
1
SAW
SAFFB
2
G
45
MA
0
F
3
K
WIFI
2
G
WL
_
RFO
_
5
G
_
CH
0
WL
_
SW
_
CTRL
HCI
_
UART
_
RTS
/
CTS
/
TXD
/
RXD
LPI
_
UART
_
1
_
TXD
/
RXD
WL
_
BT
_
COEX
_
CLK
/
DATA
WCSS
_
CH
0
_
CMD
_
CLK
/
DATA
SAW
SAFFB
1
G
56
KE
0
F
3
K
Coupler
LDJ
18829
M
28
DG
014
CPL
_
HB
_
FWD
SAW
DEA
165500
BT
-
2208
A
1
K
SAW
FILTER
SAFFB
2
G
14
AA
0
F
0
A
PRX
_
B
1
LNA
BGA
7
H
1
BN
6
PRX
_
TR
_
IN
_
B
1
Diplexer
DPX
202700
DT
-
4062
A
1
TRX
_
ANT
_
HB
PRX
_
HB
2
SPDT
MXD
8621
PRX
_
TR
_
IN
_
B
1
_
MB
PRX
_
TR
_
IN
_
B
1
_
HB
PRX
HB
3
SPDT
MXD
8621
D
RX
MB
1
PRX
_
TR
_
IN
_
B
1
_
MB
PRX
_
TR
_
IN
_
B
1
_
HB
D
RX
HB
1
MAIN
1
ANT
LB
/
M
B
SPDT
MXD
8621
CPL
_
HB
_
REV
CPL
_
FWD
CPL
_
REV
SUB
ANT
LB
/
M
B
/
HB
GPS ANT
WiFi ANT
KM
2
V
7001
CM
-
B
706
Memory
LPDDR
4 6
GB
eMMC
128
GB
SPK
SPK AMP
WSA
8815
WSA_SWR_DATA/CLK
OCTA
_
MIPI
_
D
(
0
:
3
)
_
P
/
N
RCAM
1
32
M
MIPI Switch
FSA
644
FCAM/RCAM3 MIPI
TSP_I2C
Finger Print Sensor
ET
520
BTP_SPI
6
Axis Sensor
LSM
6
DSL
Proxy
&
RGB Sensor
STK
3031
SIM1 CLK/DATA
SENSOR_I2C
SENSOR_SPI
LPDDR4A_CA(0:5)
VT CAM
32
M FF
MIPI_FCAM
Magnetic Sensor
AK
09918
C
SENSOR_I2C
SIM
SOCKET
SIM2 CLK/DATA
MICROSD_DATA/
CLK/CMD
CODEC
WCD
9370
SWR_RX_CLK_DATA1/2
CODEC_IRQ_N
SWR_TX_CLK_DATA1/2
PROXY_INT
SPK_OUT_P/N
OCTA
MIPI
_
CLK
_
P
/
N
OCTA_RST_N
TSP_INT
SPMI_DATA/CLK
CAM_FLASH_EN
SDM_CXO
SDM_RF_XO
SLEEP_CLK
MUIC_D_P/N
RCAM
2
5
M
RCAM
3
8
M
RCAM1_SENSOR_I2C
MIPI_RCAM2_Data/CLK
RCAM2_SENSOR_I2C
MIPI_RCAM3
RCAM3_SENSOR_I2C
LPDDR4A_DQ(0:15)
LPDDR4B_CA(0:5)
LPDDR4B_DQ(0:15)
LPDDR4A_CLK/CKE/CS/DMI/DQS
LPDDR4B_CLK/CKE/CS/DMI/DQS
SDM_RESOUT_N
EMMC_RCLK
LPDDR4_RST_N
PMIC
PM
6150
PWR KEY
Vol DOWN
FLASH LED
PMIC
PM
6150
A
V
/
L UP
Crystal
oscillator
IF CON
SBU1/2
CC1/2
OVP
KTS
1678
VBUS_IF_5P0
CHG_IN_5P0
MUIC_D_P/N
Battery
4
500
mAh
VPH_PWR
V_BATTERY
IFC_SENSE_SW_EN
JIG_ON_N
VBAT_SENSE_P
Display
PMIC
SM
3010
Display
VDD_LCD_ELVSS_-4P4
VDD_LCD_ELVDD_4P6
VDD_LCD_ELAVDD_7P3
EL_ON1
EL_ON2
MIPI_RCAM1_Data/CLK
FCAM_SENSOR_I2C
FCAM_EEP_I2C
R
CAM
3
_
EEP
_
I
2
C
RCAM1_AF_EEP_I2C
SDM_RESIN_N
SDM_PS_HOLD
SLEEP_CLK
EMMC_D(0:7)
Hiccup IC
GND
HICCUP_EN
USB_D_P/N
SLB
VBAT_SENSE_P
RGB Sensor
TCS
37013
SH
175
H
SENSOR_I2C
MAIN MIC P/N
SUB MIC
MAIN MIC
EAR
MIC
SUB MIC P/N
EAR MIC P/N
RCV P/N
EAR
_
OUT
RCV
EAR P/N
TX
_
PA
_
OUT
_
B
20
ANT1000
ANT1001
ANT1002
ANT1003
ANT1004
ANT8000
ANT8001
ANT8100
ANT8101
C1020
C1023
C1025
C1026
C1114
C2058
C2073
C2076
C2080
C2081
C2082
C2083
C2087
C2089
C2090
C2092
C2093
C2098
C2099
C2100
C2101
C2102
C2103
C2108
C2109
C2110
C2111
C2121
C2122
C2123
C2124
C3017
C3018
C3040
C3042
C3043
C4014
C4023
C4065
C4094
C4095
C4096
C5004
C5030
C5031
C5034
C5037
C5039
C5043
C5046
C5053
C5054
C5085
C5104
C5115
C5132
C5133
C6000
C6001
C6002
C6003
C6004
C6005
C6006
C6007
C6008
C6009
C6010
C6011
C6012
C6013
C6014
C6015
C6016
C6017
C6018
C6019
C6020
C6022
C6023
C6024
C6025
C6026
C6027
C6028
C6029
C6030
C6031
C6032
C6033
C6034
C6035
C6037
C6038
C6039
C6040
C6041
C6044
C6046
C6049
C6050
C6058
C6062
C6075
C6076
C6077
C7001
C7004
C7007
C7008
C7009
C7010
C7011
C7012
C7013
C7023
C7024
C7036
C7038
C7040
C8000
C8001
C8004
C8007
C8008
C8009
C8011
C8012
C8016
C8019
C8021
C8023
C8024
C8025
C8026
C8027
C8028
C8029
C8030
C8031
C8035
C8044
C8045
C8153
CN4000
CON6001
D6002
D8000
F1002
F2003
F2005
F2008
F2009
HDC7000
HDC7001
HDC7002
JTAG4000
JTAG4001
JTAG4002
L1022
L1023
L2038
L2041
L2042
L2044
L2045
L2046
L2047
L2051
L2052
L2054
L2057
L2058
L2061
L2063
L2066
L6000
L6012
L6013
L7000
L7001
L8002
L8003
L8004
L8007
L8008
L8010
L8016
L8017
L8018
L8019
PAM2000
R1002
R1003
R1004
R2001
R2002
R3001
R3002
R3003
R3012
R3013
R4000
R4001
R4002
R4003
R4004
R4005
R4006
R4007
R4012
R4015
R4016
R4021
R4025
R4026
R4027
R4028
R4031
R4032
R4040
R4041
R5002
R5008
R5018
R5019
R5021
R5022
R5023
R5024
R6001
R6002
R6003
R6004
R6007
R6009
R6010
R6016
R6017
R6018
R6035
R6036
R7000
R7001
R7002
R7003
R7005
R8006
R8008
R8009
R8011
R8012
R8040
SC6000
SC6002
SIM1
SIM2
SIM3
SIM4UP
TH4000
TP_4001
TP_4002
TP_4003
TP_4004
TP_4005
TP_4006
TP_ATEST
TP_NFC_FIRM
TP_NFC_IRQ
TP_SDM_RESOUT_N
TP_SLEEP_CLK
TP_TDMB_EN
TP_TDMB_INT
TP_WCSS_CLK
TP_WCSS_DATA
TP_WMSS_RST_N
TP1000
TP3000
TP3001
TP3002
TP3003
TP3004
TP3005
TP3006
TP3009
TP3010
TP3011
TP3012
TP3013
TP3014
TP3015
TP3020
TP3021
TP3022
TP3023
TP4000
TP6000
TP6006
TP6007
TP7000
TP7001
TP7002
TP7003
TP8004
TP8005
TP8006
TP8007
TP8008
TP8009
TP8010
TR5002
U1001
U2007
U2011
U3000
U3001
U3003
U3019
U5002
U5006
U6000
U6001
U6003
U7001
U7002
U7003
U8001
UCP400
UME6000
ZD6003
ZD6005
ZD6006
ZD6007
ZD6008
ZD6009
ZD6010
ZD6011
ZD6013
ZD6014
ZD6015
ZD6016
ZD6017
ZD6018
ZD6019
ZD6020
ZD6024
ZD6025
ZD7000
ZD7003
ZD7004
ZD7007
ZD7008
ZD7009
ZD7010
ZD7011
ZD7012
ZD8003
VX_Setup(2018-12-18)_HHP
Created date of PCB data : 2019/3/
5 12:13:57
Model :
Revision :
Manufacture Count :
Charge :
Contact :
Date :
Routing :
Resin :
ANT1005
ANT2000
ANT2001
ANT2002
ANT3000
ANT3002
ANT3003
ANT3004
ANT3006
ANT3007
ANT3010
ANT3011
BH6002
C1000
C1001
C1002
C1003
C1004
C1005
C1006
C1007
C1008
C1009
C1010
C1011
C1012
C1014
C1015
C1016
C1017
C1018
C1019
C1021
C1027
C1028
C1031
C1032
C1033
C1035
C1036
C1037
C1039
C1040
C1041
C1042
C1043
C1044
C1045
C1046
C1047
C1050
C1051
C1052
C1053
C1054
C1055
C1058
C1061
C1062
C1063
C1065
C1066
C1067
C1068
C1069
C1070
C1071
C1076
C1077
C1083
C1094
C1112
C1113
C1115
C1116
C1123
C1124
C1125
C1126
C1129
C1134
C1135
C1136
C1137
C2000
C2001
C2002
C2003
C2004
C2005
C2006
C2007
C2008
C2009
C2010
C2011
C2012
C2013
C2014
C2015
C2016
C2017
C2018
C2019
C2020
C2021
C2022
C2023
C2024
C2027
C2028
C2029
C2031
C2032
C2033
C2034
C2038
C2039
C2042
C2043
C2044
C2045
C2046
C2049
C2050
C2051
C2053
C2054
C2055
C2056
C2057
C2059
C2060
C2061
C2062
C2063
C2064
C2065
C2066
C2067
C2068
C2069
C2071
C2072
C2074
C2075
C2077
C2078
C2079
C2084
C2085
C2086
C2088
C2091
C2094
C2095
C2096
C2106
C2107
C2112
C2113
C2115
C3000
C3001
C3002
C3003
C3004
C3005
C3006
C3007
C3008
C3009
C3010
C3011
C3012
C3013
C3014
C3015
C3016
C3019
C3020
C3021
C3022
C3023
C3024
C3025
C3026
C3027
C3028
C3029
C3030
C3031
C3032
C3033
C3034
C3035
C3036
C3037
C3038
C3039
C3041
C3044
C3045
C3046
C3047
C3048
C3049
C3050
C3051
C3052
C3053
C3054
C3055
C3056
C3057
C3058
C3059
C3060
C3061
C3062
C3063
C3069
C3070
C3071
C3072
C3073
C3074
C3075
C3076
C3077
C3078
C3079
C3080
C3081
C3082
C3083
C3084
C3085
C3086
C3087
C3088
C3089
C3090
C4000
C4001
C4002
C4003
C4004
C4005
C4006
C4007
C4008
C4009
C4010
C4011
C4012
C4013
C4015
C4016
C4017
C4018
C4019
C4020
C4021
C4022
C4024
C4025
C4026
C4027
C4028
C4029
C4030
C4031
C4032
C4033
C4034
C4035
C4036
C4037
C4038
C4039
C4040
C4041
C4042
C4043
C4044
C4045
C4046
C4047
C4048
C4049
C4050
C4051
C4052
C4053
C4054
C4055
C4056
C4057
C4058
C4059
C4060
C4061
C4062
C4063
C4064
C4066
C4067
C4068
C4069
C4070
C4071
C4072
C4073
C4074
C4075
C4076
C4079
C4080
C4086
C4091
C4097
C4098
C5000
C5001
C5002
C5003
C5005
C5006
C5014
C5016
C5019
C5021
C5022
C5023
C5025
C5026
C5027
C5028
C5032
C5033
C5035
C5036
C5038
C5040
C5041
C5042
C5044
C5045
C5047
C5048
C5049
C5050
C5052
C5055
C5056
C5064
C5065
C5066
C5067
C5068
C5069
C5070
C5071
C5072
C5073
C5074
C5075
C5076
C5077
C5078
C5079
C5081
C5083
C5084
C5086
C5087
C5088
C5089
C5090
C5092
C5093
C5094
C5095
C5096
C5097
C5098
C5100
C5101
C5103
C5105
C5106
C5107
C5108
C5109
C5110
C5111
C5112
C5113
C5114
C5116
C5117
C5118
C5119
C5120
C5121
C5122
C5123
C5124
C5125
C5126
C5127
C5128
C5129
C6021
C6036
C6042
C6043
C6045
C6047
C6048
C6051
C6056
C6057
C6060
C6065
C6066
C6067
C6068
C6069
C6072
C6073
C6074
C6078
C7000
C7002
C7003
C7005
C7006
C7014
C7015
C7016
C7017
C7018
C7019
C7020
C7021
C7022
C7025
C7026
C7027
C7028
C7029
C7030
C7031
C7032
C7033
C7034
C7035
C7041
C7042
C7055
C7056
C7058
C7059
C7061
C7062
C7063
C7064
C7065
C7066
C7067
C7068
C7069
C7070
C7071
C7072
C7073
C7074
C7075
C7076
C8002
C8003
C8005
C8006
C8013
C8014
C8015
C8022
C8034
C8038
C8039
C8041
C8042
C8050
C8051
C8052
CON6002
D6000
D6001
F1000
F1004
F1005
F2000
F2001
F2002
F2004
F2006
F3000
F3001
F3002
F3003
F3009
GAS6000
HDC4000
HDC5000
HDC6000
HDC7003
L1000
L1001
L1002
L1003
L1004
L1005
L1007
L1008
L1009
L1010
L1011
L1012
L1013
L1015
L1017
L1018
L1021
L1027
L1028
L1030
L1031
L1032
L1033
L1035
L1036
L1037
L1038
L1039
L1040
L1041
L1042
L1043
L1044
L1045
L1050
L1051
L1052
L1053
L1056
L1058
L1080
L2000
L2001
L2002
L2003
L2004
L2005
L2006
L2007
L2008
L2009
L2010
L2011
L2013
L2014
L2015
L2016
L2017
L2018
L2019
L2020
L2021
L2022
L2023
L2024
L2025
L2026
L2027
L2028
L2029
L2030
L2031
L2032
L2033
L2034
L2035
L2036
L2037
L2039
L2040
L2043
L2048
L2049
L2050
L2053
L2062
L2064
L2065
L2067
L3000
L3001
L3002
L3003
L3004
L3005
L3006
L3007
L3008
L3009
L3010
L3011
L3012
L3013
L3014
L3015
L3016
L3017
L3018
L3810
L3811
L5000
L5001
L5002
L5003
L5005
L5006
L5007
L5008
L5009
L5010
L5011
L5016
L5019
L5020
L5022
L5023
L6001
L7002
L7003
L7005
L7006
L7007
L7008
L7009
L7010
L8000
L8001
L8005
L8012
LED5000
MIC8000
MST_DATA_A_TP
MST_DATA_B_TP
OSC5000
R1000
R1001
R1005
R1006
R1007
R1008
R1009
R1010
R1011
R2000
R2004
R2005
R2006
R2007
R2008
R3000
R3004
R3005
R3006
R3007
R3008
R3009
R3014
R3016
R3021
R4008
R4009
R4010
R4011
R4013
R4014
R4022
R4033
R4034
R4037
R4038
R4042
R5000
R5001
R5003
R5004
R5006
R5007
R5011
R5012
R5016
R5017
R5025
R5026
R5027
R5029
R5030
R5031
R5034
R5043
R6000
R6005
R6006
R6008
R6011
R6013
R6032
R6033
R7004
R7006
R8000
R8001
R8002
R8003
R8004
RFS1000
RFS1001
SC6001
SC6005
SC6006
TH2000
THM3000
TP_FAULT_N
TP_FLIPCOVER
TP_NFC_CLK_REQ
TP_PS_HOLD
TP_SDM_RESIN_N
TP_UB1
TP3007
TP3008
TP4001
TP5000
TP5001
TP5002
TP5003
TP5004
TP5005
TP5006
TP5007
TP5012
TP5013
TP5014
TP5015
TP6001
TP6002
TP6003
TP6004
TP6005
TP8000
TP8001
TP8011
TR5001
U1000
U1004
U1006
U1008
U1009
U2000
U2001
U2002
U2005
U2006
U2009
U3002
U3004
U3005
U3006
U3009
U3016
U3021
U5003
U5004
U6002
U6004
U7000
U7009
U7010
U7016
U8000
VR6000
ZD1000
ZD1001
ZD3000
ZD3001
ZD3002
ZD3003
ZD3004
ZD4001
ZD4002
ZD4003
ZD5000
ZD5001
ZD6000
ZD6001
ZD6002
ZD6004
ZD6012
ZD6021
ZD6022
ZD6023
ZD7013
ZD7014
ZD7015
ZD7016
ZD7017
ZD8000
ZD8001
ZD8002
VX_Setup(2018-12-18)_HHP
Created date of PCB data : 2019/3/
5 12:13:57
Model :
Revision :
Manufacture Count :
Charge :
Contact :
Date :
Routing :
Resin :
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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is strictly prohibited.
Mobile phone does not power on.
Check the initial operation
8. Level 3 Repair
Yes
No
Check the signal of
TRST_N = 1.8V
No
Yes
No
Check the output voltage of U5003
Power-on the phone and check
the power-on sound
or motor Vibration.
Sound or Vibration is ok?
Check the voltage level at
R3005 while pressing power
key. Is the voltage lower than
0.3V?
C5032 > 3.3V,
L5000 > 1.1V, L5002
> 0.9V, L5003 > 0.9V, L5007
> 0.9V, L5008 > 0.9V,L5010 > 0.9V,
L5009 > 1.3V and other LDO Voltage
Check the signal of SLEEP_CLK
Is the frequency 32.768kHz?
If the output voltage is abnormal, Change
the U5003
8-4-1. Power On
※
Each voltage level has ±10% margin
No
Replace the U5004
※
Test condition (Oscilloscope setting)
: 20.0us.div (time division)
Replace the Power key FPCB
Yes
No
No
No
END
Yes
No
No
Charging the battery by TA.
If its voltage level is extremely low
(under 3.0V),
Change the battery.
Yes
No
Check the Battery Voltage.
Is it more than 3.8V?
Yes
No
Yes
Change the FRONT-LCD ASSY
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is strictly prohibited.
8. Level 3 Repair
Re Check "Power on"
Trouble shooting process
8-4-2. Initial
Initial Failure
Yes
No
Re
-
download latest SW on the
mobile phone
Abnormal
No
Abnormal
Change U500
4
Change
PBA
Yes
No
END
Abnormal
Change U5003
Normal
Abnormal
Check the U5004
(Crack, open etc.)
Check the U5003 (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
Check the Voltage
C2018 : 1.8V, C2023 : 1.2V
C2005/C2002 : 1.0V
Check the clock OSC5000
Is the frequency 38.4MHz?
8
-
4
-
3. No Service
No service
Yes
No
Home screen
→
Phone
→
Keypad
→
*#1234#
→
Check
Phone version
→
CP :
A705
FXXXX or unk
n
own
CP :
A705X
XXXX
Check the connection of RF
coaxial cable
Yes
No
Yes
No
END
Replace the U2009
Replace the U2009
No
No
Replace the OSC5000
Yes
No
Yes
No
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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
Check the SIM Voltage.
= 1.8V or 3.0V
(C6036,C6039)?
Check the SIM RST / IO / CLK.
(SIM1 : ZD6008, ZD6006, ZD6007)
(SIM2 : ZD6024, ZD6019, ZD6020)
Is signal ok?
8-4-4. SIM Part
Insert SIM card
Yes
No
No
Replace SIM socket
Is SIM socket ok?
No
Yes
No
Change to the new SIM card.
If it doesn`t still work SIM card after
changing
the SIM card, Check the U5003 (Crack
etc)
Yes
No
END
No
Check the UCP400 (Crack etc)
Yes
No
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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
Check the T-flash Voltage.
(C6032) = 3.0V?
Check the t-flash
CMD /Data/CLK.
(ZD6010, D6002, ZD6011)
Is signal ok?
8-4-5. T-Flash Part
Insert T-Flash card
Yes
No
No
Replace SIM
socket
Is SIM socket ok?
No
Yes
No
Change to the new T Flash card.
If it doesn`t still work T Flash card after
changing
the T FLASH, Check the U5003
(Crack etc)
Yes
No
END
No
Check the UCP400 (Crack etc)
Yes
No
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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
Check the
CHG_IN_5P0(C6068)=5V or 9V
Battery is Charging?
8
-
4
-
6
.
C
able
Charging Part
Insert TA / USB
Yes
Charging Sequence Start
VBUS_IF_5P0(C6045) = 5V or 9V
No
Replace SUB PBA
No
Yes
Replace U6002
Replace U5004
No
END
Yes
Yes
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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
Check the
VBUS_IF_5P0(C6045) = 5V
Check OTG working ?
8-4-7. OTG
OTG does not work
Yes
Check the
VBUS_IF_5P0(C9030) = 5V
No
Check U5004
(crack, open, damaged, etc.)
No
Yes
Check U
6002
(crack, open, damaged, etc.)
Replace SUB PBA
No
END
Yes
Yes
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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
Check R4037, R4038
(I2C is OK?)
8-4-8-1. Magnetic Sensor
Magnetic Sensor does not work
Yes
No
Check the voltage
C3056 =1.8V
No
Replace U5003
No
Yes
No
END
Yes
No
Replace U3009
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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
Check 6Axis
TP3000~3003
(SPI is OK?)
8-4-8-2. 6Axis Sensor
6Axis Sensor does not work
Yes
No
Check the voltage
C3043 = 1.8V
No
Replace U5003
No
Yes
No
Yes
No
END
Replace U3003
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is strictly prohibited.
8. Level 3 Repair
Check the voltage
C3017 =3.0V
(Sensor
’
s LED voltage)
Check SDA, SCL of U3001
(I2C is OK?)
8
-
4
-
8
-
3
. Proximity
Proximity Sensor does not work
Yes
No
Check the voltage
C3018 =1.8V
(Sensor
’
s IO voltage)
No
Replace U5003
No
Yes
No
END
Yes
No
Replace U5003
Replace U3001
No
Yes
No
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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
Check U3006
(crack, damaged, etc.)
8-4-8-4. Hall Sensor
Hall Sensor of Sub PBA does not work
Yes
No
Check the voltage
C3060 =1.8V
No
Replace U5003
Replace U3006
No
END
Yes
No
Yes
No
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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
Replace the Fingerprint sensor module
Check the voltage
6077 =3.3V
Check the Fingerprint Sensor
MISO, MOSI, CLK, CS_N Pins
(SPI is OK?)
8-4-8-5. Fingerprint Sensor
Fingerprint Sensor does not work
Yes
No
Check the Fingerprint Sensor
connector on Rear Assy
No
Reconnect
or Replace
the
Sensor FPCB
No
Yes
No
END
Yes
No
Yes
No
Replace U6001
Re
place
UCP400
No
Yes
No
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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
Check
the
MAIN_MIC_P data
at L9021
8-4-9-1. Microphone Part
- Main MIC
Check
main
microphone
function
in
voice
call
Handset
mode
or
voice
recorder
mode
Yes
No
Check the voltage of
C8025 at Main PCB =
1.8V
R
eplace U8001
No
Yes
No
No
Replace
MIC
3001
Yes
No
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
-
9
-
2. Microphone Part
-
Sub(2nd) MIC
Check
Sub(2nd)
microphone
function
in
voice
call
loudSPK
mode
or
in
camcording
mode
mode
Yes
No
Check
the
voltage
at
C8024
=
1.8
V
Replace U
8001
No
Yes
No
Replace
MIC
8000
No
Yes
No
END
Check
the
SUB_MIC_
P
data at
L8012
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
Check
the
PWM output at
ANT9005,ANT9006
Check
the
PWM output at
ANT9005,ANT9006
Check
the
PWM output at
ANT9005,ANT9006
8-4-10. Speaker Part
Check
speaker
function.
Play
MP3
with
maximum
volume
level.
Yes
No
Check C
-
clips of Sub PBA
ANT
9005
, ANT
9006
Yes
Replace
C
-
Clip
No
No
No
Yes
No
Yes
No
Yes
No
Yes
No
END
Replace speaker module
Re
place
U8000
on MAIN PCB
Re
place
SUB PBA
Replace
MAIN FPCB
No
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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
-
1
1
. Receiver
Part
Check
receiver
function
in
voice
call
receiver
mode
Yes
No
Check
RCV module
wh
ere RCV's
placed
for any damage
Resolder or Replace
ANT
8000
,
ANT
8001
No
END
Yes
No
Replace
RCV
module
Yes
No
Yes
No
No
Resolder or replace L
8001
, L
8005
Check the signals on
L8001
, L
8005
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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
Check the status of ANT3002
C
heck the Status of C3005, L3014,
C3006, L3003, C3010, L3001,
L3000, C3009, C3008, C3001,
F3001, F3000, U3002,F3009
Check the voltage
C3029 = 3.3v
C3035 = 1.8v,
C3037 = 1.8v,
C3028 = 1.3v,
8-4-12. BT/WIFI
BT/WIFI is not working
Yes
No
No
Enable BT or WIFI function.
Check BT or WIFI function ON
Yes
No
Yes
No
END
Resolder or change U3004
Yes
No
Resolder or Replace of
C3006, L3003, C3010, L3001,
L3000, C3009, C3008, C3001,
F3001, F3000, U3002,F3009
No
Replace of
U5004/U5003
Yes
No
No
Yes
No
No
Resolder or change the
ANT3002, REAR
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
Check the Antenna connect
ANT3011
Check(crack,open,etc)
C3045, C3046, C3047, C3048,
C3050, C3051, C3052,L3015
F3002, U3005, F3003
8-4-13. GPS
GPS is not working
Yes
No
Enable GPS Function in the setting.
No
Check GPS function ON
Yes
No
No
No
Resolder or change the wrong element
(open, crack, deviation, etc)
Resolder or change U2009
Yes
No
Yes
No
Yes
No
END
1. Resolder or Replace ANT3011
2. Replace REAR
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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
Check the Antenna contact
ANT3000, ANT3010
Check the Voltage on
C3070 = 1.8V
Check 19.2MHz Clock at
TP_NFC_CLK
Check the Status of C3087, C3086,
C3082, C3089, R3016, L3017
L3018, R3021,C3083, C3085
8
-
4
-
1
4
. NFC
NFC is not working
Yes
No
Enable NFC Function
No
Check NFC function ON
Yes
No
No
1. Resolder or Replace ANT3000, ANT3010
2. Replace NFC ANT
Yes
No
END
Resolder or Replace U3021
Resolder or Replace C3087, C3086,
C3082, C3089, R3016, L3017
L3018, R3021,C3083, C3085
No
Yes
No
Yes
No
Yes
No
No
Check U5004
Yes
No
No
Check U3016,
(crack, open, damaged, 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
Check the voltage
C3029 = 3.3v
C3035 = 1.8v,
C3037 = 1.8v,
C3028 = 1.3v,
Check the status of L3010, L3009,
C3041, HDC6000, SUB PBA Is it ok?
Resolder or Replace
U3004
8-4-15. FM radio part
FM is not working
Yes
No
Enable FM Function.
No
Check the FM function
Yes
No
No
Replace of
U5004/U5003
Yes
No
No
Resolder of Replace L3010, L3009,
C3041, HDC6000, SUB PBA
Yes
No
END
Yes
No
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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
Check
VDD_DDI_3P0 = 3.0V (C7055)
VDD_LCD_1P8 = 1.8V (C7056)
Check
ELVDD 4P6 = 4.6V (C7071)
EL
VSS_-4P4 = - 4.4 ~ - 1.4V (C7035)
ELA
VDD_7P3 = 7.3V (C7041)
8-4-16. Display
LCD is still off after PWR ON
Yes
No
Replace the Display con
-
to
-
con FPCB
Yes
No
Resolder or Replace the
U
7016
No
Yes
No
Replace the Display module
END
Yes
No
Resolder or Replace the
U7009
(3.0V)
Resolder or Replace the
U7010
(1.8V)
Yes
No
No
Reconnect the
HDC
6000
Yes
No
No
Check the connection of
HDC
6000
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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
Check the voltage
C7006 : 2.8V , C7005 : 1.05V
C7007 : 1.8V , C7008 : 2.8V
C7003 : 1.2V , C7000 : 2.8V
C7012 : 1.2V , C7011 : 2.8V
Check CAM_MCLK is 24MHz
(R7000,R7001,R7002)
8
-
4
-
1
7.
Triple Camera
“
Came
ra” function does not work
Yes
Check the Camera connector on Main
PBA
Reconnect the HDC
7000, HDC7001, HDC7002
No
Yes
Yes
END
Replace the camera module
Yes
Replace the
PBA
No
Resolder or Replace
U7000,
U
7
001
, U700
2
Yes
No
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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
Check the voltage
C7015 : 2.8V
C7026 : 1.05V
C7027 : 1.8V
8
-
4
-
1
8
.
VT
CAMERA
Check the VTCAM_MCLK is
24MHz (R7005)
“
Came
ra” function does not work
Yes
Check the Camera connector on Main
PBA
Reconnect the H
DC7003
No
Yes
Resolder or Replace U
7000
No
Y
es
No
Yes
Yes
END
Replace the Front camera module
Replace the PBA
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
Check the voltage
A
VDD_TSP_3P0 (C6051) = 3.0V
8-4-19. TSP
Touch
Screen does not work
Yes
No
Reconnect the
HDC
6000
No
Check TSP Connector on
MAIN PBA
Yes
No
No
Resolder or Replace U6004
Yes
No
Replace the
Display module
END
Yes
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
-
2
0
. Motor
Check L8017 and L8018
(crack,open,etc)
Check the voltage C8035
C8035 = 3.3V
Motor does not work
Yes
Resolder or Reconnect
ANT8100 , ANT8101
No
Check the Clip
ANT8100 and ANT8101
Yes
No
Resolder or Replace
L8017
,
L8018
Yes
Yes
END
Replace Motor
Resolder or Replace C8035
or
Replace : U5004
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
8-4-21. GSM 850/900, WCDMA B5/8, LTE B5/8/12/13/17/20/28 PRx
YES
It is not catching the channel
In normal condition
E
ND
NO
Resolder or change
U1009, U2009
Resolder or
change
A
ntenna path components
NO
NO
Resolder or
change
RX path components
C
heck
ant path any damage
(ANT9001 ~ ANT9007)
Is
it ok? (SUB PBA)
)
Check
RX path any damage
(RFS1000~U1009)
Is it ok?
Check U1009, U2009
any damage
(Crack, open, etc), is it ok?
i
Change the board
YES
YES
YES
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
8-4-22. LTE B7/38/40/41 PRx
YES
It is not catching the channel
In normal condition
E
ND
NO
Resolder or
change
RX path components
Resolder or
change
A
ntenna path components
NO
NO
Resolder or
change
RX path components
C
heck
ant path any damage
(ANT1005 ~ U1001)
Is it ok?
)
Check
RX path any damage
(U1001~PAM2000)
Is it ok?
Check PAM2000 ~ U2009
any damage
(Crack, open, etc), is it ok?
i
Change the board
YES
YES
YES
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
8-4-23. GSM DCS/PCS, WCDMA B1/2/4, LTE B1/2/3/4/66 PRx
YES
It is not catching the channel
In normal condition
E
ND
NO
Resolder or change
U1009, U2009
Resolder or
change
A
ntenna path components
NO
NO
Resolder or
change
RX path components
C
heck
ant path any damage
(ANT9001 ~ ANT9007)
Is it ok? (SUB PBA)
)
Check
RX path any damage
(RFS1000~U1009)
Is it ok?
Check
U1009, U2009
any damage
(Crack, open, etc), is it ok?
i
Change the board
YES
YES
YES
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
8-4-24. GSM 850/900, WCDMA B5/8, LTE B5/8/12/13/17/20/28 DRx
YES
It is not catching the channel
In normal condition
E
ND
NO
Resolder or change
U2002, U2009
Resolder or
change
A
ntenna path components
NO
NO
Resolder or
change
RX path components
C
heck
ant path any damage
(ANT2000~ANT2002)
Is it
ok?
)
Check
RX path any damage
(F2000~U2002)
Is it ok?
Check
U2002, U2009
any damage
(Crack, open, etc), is it ok?
i
Change the board
YES
YES
YES
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
YES
It is not catching the channel
In normal condition
8-4-25. LTE B7/38/40/41 DRx
E
ND
NO
Resolder or change
U2002, U2009
Resolder or
change
A
ntenna path components
NO
NO
Resolder or
change
RX path components
C
heck
ant path any damage
(ANT2000 ~ ANT2002)
Is it ok?
)
Check
RX path any
damage
(F2000~U2002)
Is it ok?
Check
U2002, U2009
any damage
(Crack, open, etc), is it ok?
i
Change the board
YES
YES
YES
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
YES
It is not catching the channel
In normal condition
8-4-26. GSM DCS/PCS, WCDMA B1/2/4, LTE B1/2/3/4/66 DRx
E
ND
NO
Resolder or change
U2002, U2009
Resolder or
change
A
ntenna path components
NO
NO
Resolder or
change
RX path components
C
heck
ant path any damage
(ANT2000 ~ ANT2002)
Is it ok?
)
Check
RX path any
damage
(F2000~U2002)
Is it ok?
Check
U2002, U2009
any damage
(Crack, open, etc), is it ok?
i
Change the board
YES
YES
YES
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
YES
It is not catching the channel
In normal condition
8-4-27. GSM 850/900, WCDMA B5/8, LTE B5/8/12/13/17/20/28 TX
Change the board
Check U1004, U2009
any damage
(Crack, open, etc), is it ok?
NO
E
ND
Resolder or change
U1004, U2009
NO
Resolder or
change
TX path components
Resolder or
change
A
ntenna path components
NO
NO
Resolder or
change
TX path components
C
heck
ant path any damage
(ANT9001 ~ ANT9007)
Is it ok? (SUB PBA)
)
Check
TX path any damage
(RFS1000~U1009)
Is it ok?
Check
TX path any damage
(U1009~U1004)
Is it ok?
?
i
YES
YES
YES
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
YES
It is not catching the channel
In normal condition
8-4-28. LTE B7/38/40/41 Tx
E
ND
Change the board
NO
Resolder or
change
TX path components
Resolder or
change
A
ntenna path components
NO
NO
Resolder or
change
TX path components
C
heck
ant path any damage
(High Band SUB PBA ~ ANT1005)
Is it ok?
)
Check
TX path any damage
(ANT1005~PAM2000)
Is it ok?
Check
TX path any damage
(PAM2000~U2009)
Is it ok?
?
i
YES
YES
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
YES
It is not catching the channel
In normal condition
8-4-29. GSM DCS/PCS, WCDMA B1/2/4, LTE B1/2/3/4/66 Tx
Change the board
Check U1004, U2009
any damage
(Crack, open, etc), is it ok?
NO
E
ND
NO
Resolder or
change
TX path components
Resolder
or
change
A
ntenna path components
NO
NO
Resolder or
change
TX path components
C
heck
ant path any damage
(ANT9001 ~ ANT9007)
Is it ok? (SUB PBA)
)
Check
TX path any damage
(RFS1000~U1009)
Is it ok?
Check
TX path any damage
(U1009~U1004)
Is it ok?
?
i
YES
YES
YES
YES
Resolder or change
U1004, U2009
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.