8. level 3 repair...l5006 > 0.75v, l5008 > 1.1v, l5009 > 1.3v, l5010 > 2.0v, l5011 >...
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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)
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)
SIM1
SIM2
M
Type -C
POP4GB/6GB
FLASH
MAIN MIC
SUB MIC
RCV
SPK
32.768KHz
VOL /UP
CAM PMICS2MPB03X01-6030
OCTA6.38" FHD+
CODECALC5665-GRT
PMICS2MPU09X01-6030
VOL /DNPWR KEY
IF PMICSM5713
FODET713
TSPMSS-100(Melfas)
SPK AMPRT5510
SD CARD
OVPKTS1682
Battery4000mAh
NFCPN553
MSTISP7022
DMBFC8080
24Mhz
DTVFC8350W
24Mhz
S5M925DA02-L030
SP10T
Main FEMid
PRX_B2/G1900
PRX_B5/18/19/26 G850PRX_B8
PRX_B1
PRX_MB3
PRX_MB5
PRX_LB5
PRX_LB4
SP8T
MMMB PA
TX_MHB1
PRX_B3/G1800PRX_MB2
TX_B1/2/3/4/66
TX_DCS/PCS
TX_GSM850/900
TX_MHB6
TX_LB4
SP5T
PRX_B20 PRX_LB3
TX_LB1
TX_GSMHB
TX_GSMLB
TX_B13
B28 TRXPRX_B28
PRX_LB6
WIPS33232-1HHigh-Band PAM
TX_MHB4TX_B7/38/40/41
PRX_B7PRX_HB4
MB PA
LB PA
PRX_B40
TRX_B7
B1
B2
B3
B12/17
B20
B5/18/19/26
B8
TRX_B40
TRX_B38/41
PRX_HB2
QM8110-SYM1
LMSWKQGS-K72
B13 TRX PRX_LB2
TX_B34/39
SP5T
SP2T
TX_B5/8/12/17/18/19/20/26/28
PRX_B4/66
SP3T
SP5T
B7
B1B3
B26
B12/13
B28
HB
LB
DRX_HB2
DRX_MLB3
SFML7E0H001DRX LNA FEM
B40
B38/41
DRX_B7/38/40/41[DRX_TR_IN_HB]
DRX_MLB2
DRX_B1/4, W1/4
B8B20
DRX_B5/8/12/13/17/18/19/20/26/28, GSMLB, W5/8
[DRX_TR_IN_LB]
DRX_MLB4
MB
Bi-Directional Coupler
Bi-Directional Coupler
PRX_B13
PRX_MB1
TX_LB2
MB
LB
HB
B66B2
Sub ANTLB/MB/HB
Main1LB/MB
Main2_HB
SP4T
B66
DRX_B2/3/66, GSMHB, W2
PDET_INPDET_IN
Diplexer
DPDT1
23
4
DPDT1
23
4
BGSX22G5A10
MB-LBDiplexer
PRX_B12/17
PRX_LB1
PRX_B38/41 PRX_HB3
S5M925DA02-L030
SP10T
Main FEMid
PRX_B2/G1900
PRX_B5/18/19/26 G850PRX_B8
PRX_B1
PRX_MB3
PRX_MB5
PRX_LB5
PRX_LB4
SP8T
MMMB PA
TX_MHB1
PRX_B3/G1800PRX_MB2
TX_B1/2/3/4/66
TX_DCS/PCS
TX_GSM850/900
TX_MHB6
TX_LB4
SP5T
PRX_B20 PRX_LB3
TX_LB1
TX_GSMHB
TX_GSMLB
TX_B13
B28 TRXPRX_B28
PRX_LB6
WIPS33232-1HHigh-Band PAM
TX_MHB4TX_B7/38/40/41
PRX_B7PRX_HB4
MB PA
LB PA
PRX_B40
TRX_B7
B1
B2
B3
B12/17
B20
B5/18/19/26
B8
TRX_B40
TRX_B38/41
PRX_HB2
WIPS114640-23
LMSWKQGR-J80
B13 TRX PRX_LB2
TX_B34/39
SP5T
SP2T
TX_B5/8/12/17/18/19/20/26/28
PRX_B4/66
SP3T
SP5T
B7
B1B3
B26
B12/13
B28
HB
LB
DRX_HB2
DRX_MLB3
SFML7E0H001DRX LNA FEM
B40
B38/41
DRX_B7/38/40/41[DRX_TR_IN_HB]
DRX_MLB2
DRX_B1/4, W1/4
B8B20
DRX_B5/8/12/13/17/18/19/20/26/28, GSMLB, W5/8
[DRX_TR_IN_LB]
DRX_MLB4
MB
Bi-Directional Coupler
Bi-Directional Coupler
PRX_B13
PRX_MB1
TX_LB2
MB
LB
HB
B66B2
Sub ANTLB/MB/HB
Main1LB/MB
Main2_HB
SP4T
B66
DRX_B2/3/66, GSMHB, W2
PDET_INPDET_IN
Diplexer
DPDT1
23
4
DPDT1
23
4
BGSX22G5A10
MB-LBDiplexer
PRX_B12/17
PRX_LB1
PRX_B38/41 PRX_HB3
AP/CP
EXYNOS9610
TRANCEIVER
S5M9380X01-L030
A50s Connectivity Block Diagram
FM
_SPD
Y_T
O_S620
BT/WIFI/FM
S5N5C20X00-6030
NFC
S3NRN82X
SIMSIM1_DATA
SIM1_DATA
NFC_SWP
ANT 1
ANT 2 RFIC
_C
TRL0
RFIC
_C
TRL1
RFIC
_`C
TRL2
MXD8621
Switch
FM_ANT
NFC_CLK_26M
NFC_SCL
NFC_SDA
NFC_EN / IRQ / FIRM / CLK_REQ
WL0_I/Q
WL1_I/Q
GPS_I/Q
GNSS_SPEEDY
LNA
MXDLN16USAW SAW
GPS_RF_IN
TCXO
26M
Buffer
BGS12SN6
Switch
BT_RF
2GT_WBT
2GR_WBT
5GT_WL0
5GR_WL0
FEM_CTRL2
GNSS_LNA_EN
MST
ISP7022
MST_DATA_A/B
ANT 1
ANT 2
QM48184
ANT2000ANT2001
ANT2002
ANT2
003
ANT2004
ANT2
005
ANT5
003
ANT5
005
ANT6000 ANT6001
BH6000
BH6001
C306
0
C3062
C306
3
C306
4
C3065C306
6
C3067
C306
8C307
0C3
090
C400
3
C4004
C4010
C4011
C4012
C4015
C4018
C4019
C4020
C402
4C4
025
C4034
C404
6
C4047
C405
2
C4053
C4054
C4055
C4056
C4057
C4070
C4071
C4073
C407
4
C504
3
C504
4
C506
9C5
071
C5075
C507
6
C507
8
C508
0
C5094
C5095
C5098
C509
9
C510
0
C5101
C5102
C510
3
C510
5
C510
6 C510
7
C510
9
C511
0
C5111
C5112
C5113
C5114
C5115
C511
8
C5119
C5120
C5121
C512
2
C512
3
C512
4
C6002
C6003C6008
C601
3C6017
C601
8
C601
9
C6027
C602
8
C602
9
C6030
C6037
C603
8
C6040
C6041
C6044 C6052
C6053
C6054
C6055
C7000
C700
1
C7002
C7003
C7004C7005
C7006
C7007
C7008
C700
9
C7010
C7011
C7012
C7016
C701
7
C701
8 C7019
C7031
C7050
C705
4
CON6000
D50
00
HD
C400
0HDC7000
HD
C700
1H
DC7
002
JTAG4000
JTAG4001 JTAG4002
JTAG4003
L501
2
L501
3
L6001
L6002 L6003
L6006
L6007L6
010
L601
4
L700
0
L700
1
L7002
R3004
R300
5
R3006
R3007
R3008
R4000
R4001
R400
2
R400
3
R400
4
R400
5
R4006
R400
8
R400
9
R401
0
R401
1
R401
3
R401
5
R401
6
R401
7
R401
8
R402
0
R402
1
R402
4
R402
6
R403
0
R403
1
R403
2
R403
3
R4042
R4049
R405
0
R4051
R405
2
R405
3
R405
4
R406
1
R406
2
R406
3
R406
4
R500
0R5001
R500
2
R500
3
R500
5
R500
6
R500
8R5
009
R501
0
R501
1
R5012
R5013
R501
4
R5015
R501
6
R501
7
R501
8
R501
9
R502
0
R502
1
R600
2
R600
3
R600
5
R601
0
R601
1
R602
5
R7000
R7001
R7005
SC6005
SIM6001 SIM6002
SIM
6003
SIM600UP
TH4000
TH50
00
TP_CODEC_DO
TP_CODEC_IRQ_N
TP_ESE_EN
TP_FLASH_EN
TP_GNSS_SPEEDY
TP_GPS_I TP_GPS_Q
TP_NCHG_EN
TP_NFC_CLKTP_NFC_CLK_REQ
TP_NFC_CS
TP_NFC_EN
TP_NFC_FIRM
TP_NFC_IRQ
TP_NFC_MISOTP_NFC_MOSI
TP_PMIC_IRQB
TP_PMIC_ONOB
TP_PSHOLD
TP_PWR_SUB
TP_SENSOR_LDO_EN
TP_SPEEDY_PMIC
TP_SPK_BCLK
TP_SPK_DITP_SPK_DO
TP_SPK_WS
TP_TCXO_EN
TP_TORCH_EN
TP_UFS_RST_N
TP_UFS_RX_NTP_UFS_RX_P
TP_UFS_TX_N
TP_UFS_TX_P
TP_XRSTOUT_N
TP_XRTC_XTO
TP5000TP5001
U3008
U30
10
U3012
U30
13
U3014
U3015
U50
04
U5005
U60
00
U6002
U7001
U70
02
U70
07
UCP
400
UME5000
XOM0
XOM2
ZD5000
ZD50
01
ZD50
02
ZD50
03
ZD5004
ZD6002
ZD6003
ZD6004
ZD6005
ZD60
07
ZD60
08
ZD6012 ZD6014
ZD6016
ZD7000
ZD7001
VX_Setup(2017-04-03)_HHP
Model : SM-A507FNRevision : 0.1Manufacture Count : 120Charge : 김성수
Contact : 010.4542.1274Date : 07.19Routing : Resin :
VX_Setup(2017-04-03)_HHP
ANT1
000
ANT2
006
ANT2
007
ANT2008
ANT3
000
ANT3
001
ANT3
002
ANT3
003
ANT3004
ANT5
000
ANT5001
ANT5
002
ANT5004
ANT5
006
C100
0
C1001
C1002
C1003C1004
C1005
C1006
C100
7
C100
8
C1009
C1010
C101
1
C101
2
C101
3
C101
4
C101
5C1
016
C1017
C1018
C1019
C102
0
C102
1
C102
2
C1023
C102
4
C1025
C1026
C1027
C1028
C1029
C103
0
C1031
C1032
C103
3
C103
4
C103
5
C1036C1037
C1038
C1039
C104
0
C104
1
C1042
C1043
C1044
C104
5
C104
6
C1047
C1048C1049
C1050C1051
C1052
C1053
C1054
C105
5
C1056
C1057
C1058C1059
C1060
C1061
C1062
C1063
C1064
C1065
C1066
C106
7
C106
9
C107
0
C107
1
C1072
C107
3 C1076
C107
7
C107
8
C107
9
C108
0
C108
1
C108
2
C108
3
C108
4
C1085
C108
6
C108
7
C1088
C1089
C109
0
C1091
C2000
C2001
C200
2
C200
3
C200
4
C2005
C200
6C2
007
C2008
C200
9
C2010
C2011
C2012
C201
3
C201
4
C201
5
C201
6
C201
7
C201
8
C2019
C2020C2021
C2022
C2023
C2024
C2025
C202
6
C2027
C202
8
C2029
C2030C203
1
C203
2
C2033
C2034
C203
5
C203
6
C203
7
C2038
C203
9
C204
0
C2041
C2042
C204
3
C2044C2045
C204
6
C204
7
C2048
C204
9
C2050
C2051
C2052
C2053
C205
4
C2055
C2056
C300
0
C3001
C3002
C3003
C300
5
C300
6
C300
8
C300
9
C3011
C301
5
C3016
C3017
C3021
C302
2
C3023
C302
7
C3028
C302
9
C303
0
C3032
C3034
C3035
C3038
C304
1
C3043
C3044
C3045
C304
6
C3047
C304
8
C3049 C3050
C305
1
C3052
C305
3
C305
4
C305
5
C3057
C3058
C3059
C306
1
C3069
C307
1
C3072
C308
4
C3085
C3086
C3087C3088
C3091
C3092
C3093
C3094
C309
5
C309
6
C309
7
C309
8
C309
9
C3100
C3102
C310
4
C3105
C310
7
C4000
C4001
C4002
C4005
C400
6
C4007
C4008
C4009
C4013
C4014
C4016
C4017
C4021
C4022
C402
3
C4026
C402
7C4028
C402
9
C403
0
C4031
C4032
C4033
C4035
C4036
C403
7 C403
8
C403
9C4
040
C404
1
C4042
C4043
C404
4
C4045
C4048
C4049
C4050
C4051
C4058
C4059
C4060
C4061
C4062
C406
3
C4064
C4065
C4066
C406
7
C406
8
C406
9
C4072
C407
5
C407
6
C407
7
C407
8
C407
9
C4080
C4081
C408
2
C4083
C408
4
C408
5
C408
6
C408
7
C4088
C4089
C4090
C4091
C409
2
C4093
C409
4
C4095
C409
6
C409
7
C4098
C409
9
C410
0
C410
1
C4102
C500
0
C500
1
C5002
C5003
C500
4
C5005
C500
6
C5007
C5008
C5009C5
010
C5011
C501
2
C501
3 C5014
C5015
C501
6
C5017
C5018
C501
9
C502
0
C5021
C5022
C5023
C5024
C5025
C5026
C5027
C5028
C502
9
C5030
C5031
C5032 C5033
C503
4
C5035
C5036
C503
7
C5038
C503
9
C504
0
C504
1
C5042
C504
5
C504
6
C504
7
C5048
C504
9
C505
0
C505
1
C5052
C505
3
C5054C5
055
C505
6
C5057
C5058
C505
9
C506
0
C506
1
C506
2
C506
3C5064
C506
5
C506
6
C5067
C506
8
C5070
C507
2
C507
3
C507
4
C5077
C5079
C508
1
C508
2
C508
3
C508
4
C508
5
C5086
C508
7
C508
8
C5089
C509
0
C509
1
C509
2
C509
3
C5096
C5097
C510
4C5
108
C5116
C5117
C6000
C600
1
C6004
C6005
C600
6
C6007
C6009
C601
0
C6011
C6012
C601
4
C6015
C601
6
C6020
C602
1
C6022
C6023
C6024
C6025
C6026
C6031
C6032
C603
3
C603
4
C6035
C6036
C603
9
C604
2
C604
3
C604
5
C604
6
C604
7
C604
8
C6049
C605
0
C605
1
C6056
C605
7
C605
8
C605
9
C7013
C701
4
C701
5
C702
0C7
021
C7022
C702
3
C702
4
C702
5
C702
6
C703
0
C703
2
C703
3
C703
4
C703
5
C7040
C704
6
C7048C7052
C7053
C705
5
C7056
C7057
C7058
C7059
C7060
C7061C7063
C7064
C7065
C706
6
C706
7
C706
8C7
072
C707
3
C707
4
C7075
C7077
C7078
C7079
C7080
C708
1
C7082
C7286C729
4
CON6001
D50
01
F1000
F100
1
F100
3
F1005
F1007
F100
8F1
009F1010
F2000
F200
1F2002
F2003
F3000
F3001
GA7
000
HD
C500
0
HDC7003
HDC7004
L100
0
L100
1
L1002 L1003
L100
4
L100
5
L100
6
L100
7
L100
8
L100
9
L101
0
L1011L1012
L101
3
L1014
L1015
L101
6
L101
7
L1018
L101
9
L102
0L1
021
L102
2
L102
3
L102
4
L102
5
L102
6
L1027
L1028
L102
9
L103
0
L103
1
L103
2
L103
3
L103
4
L1035
L1036
L1037
L1038
L1039
L104
0
L104
1
L1042
L104
3
L104
4
L104
5
L1046
L104
7
L1048
L1049
L105
2
L1053
L105
4
L1055
L1056
L1057
L1058
L105
9
L106
0
L1061L1062
L1065
L1066
L107
2
L107
3
L1074
L1075 L1076
L107
7
L107
8
L1079
L108
1 L1082
L1083
L108
4
L108
5 L1086
L1087
L108
8
L108
9
L109
0
L109
1
L109
2
L1093
L109
4
L109
5
L109
6
L109
7
L109
8
L1099
L1100
L110
1
L200
0
L2001
L200
2
L200
3
L2004
L2005
L2006
L2007
L2008
L200
9
L201
0
L201
1
L201
2
L201
3
L201
4
L201
5
L201
6
L2017
L2018 L2019
L202
0
L202
1
L202
2
L2023
L2024
L2025
L202
6
L202
7
L2028
L2029
L203
0
L2031
L2032
L203
3
L2034
L2035L2036
L2037L2038
L2039
L2040
L2041
L300
0
L3001
L3004
L300
5L3006
L3007
L3008
L300
9
L301
0
L301
1
L301
2
L301
3
L3014
L3015
L301
6
L301
7
L302
3L3
024
L500
0
L500
1
L500
2
L500
3
L500
4
L500
5
L500
6
L500
7
L500
8
L5009
L501
0
L5011
L6000
L6004
L6005L6008
L6009
L6011
L6012
L601
3
L601
6
L7004
L700
6
L700
7
L7008
L7009
L7010
L701
1
LED
5000
MIC
6000
OSC2000
OSC
5000
PAM1000
R100
0
R1001
R100
2
R1003
R1004
R1005
R1006R1007
R1008
R1009R1010
R101
1
R101
2
R101
3 R1014
R2000
R200
1
R2002
R2003
R300
1
R3003
R3009
R301
0
R3011
R4007
R4012
R4014
R4019
R4022
R4023
R4025
R4027
R4028
R402
9
R403
4
R403
5
R4036
R4037
R403
8
R4039
R404
0
R4041
R4043
R4044
R4045
R404
6
R4047
R404
8
R4055
R4056
R4057
R5004
R500
7
R6000R6001
R6006 R600
7
R6008
R6009
R601
2
R6013
R6015 R6017
R601
8
R6020
R6021
R6022 R602
3
R6024
R602
6
R602
7
R6028
R6029
R6030
R603
1
R603
2
R603
3
R6034
R6035
R7002
R7003R7004
RFS1000
RFS1001
SC6000
SC6001
SC60
02
SC6003SC6004
SOC6000
SUS6
000
TH1000
TH4001
TP_AXIS_CS_N
TP_AXIS_INT
TP_AXIS_INT2
TP_AXIS_MISO TP_AXIS_MOSI TP_AXIS_SCLK
TP_CLK_32K
TP_CODEC_BCLK
TP_CODEC_DI
TP_CODEC_LRCK
TP_FLIPCOVER
TP_NENQ5000
TP_OCP_CPU
TP_OLED_RST
TP_PWR_G3D
TP_RFFE0_CLK
TP_RFFE0_DATA
TP_UB
TP_UFS_REFCLK
TP_XBOOT_LDO
TP3005
TP3006
TP4000
U10
00
U1001
U1002
U10
03
U10
04 U1006
U20
00
U2001
U2002
U2003
U2004
U20
05
U20
06
U3000
U3001
U3002
U3003
U30
05
U30
06
U3007
U30
09
U3011
U500
U5001
U6001
U7000
U7003
U7005
U7006
U70
09
V700
0
ZD10
00
ZD1001
ZD1002
ZD6001
ZD60
06
ZD60
09
ZD60
10
ZD60
11
ZD60
13
ZD6015
ZD6017
ZD60
18
ZD6019
ZD60
20
ZD60
21
ZD60
22
ZD6023
ZD6024
ZD70
02
ZD7004
ZD7005
ZD7006
ZD70
07
ZD7009
VX_Setup(2017-04-03)_HHP
Model : SM-A507FNRevision : 0.1Manufacture Count : 120Charge : 김성수
Contact : 010.4542.1274Date : 07.19Routing : Resin :
VX_Setup(2017-04-03)_HHP
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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.
YesNo
Yes
Change the FRONT-LCD ASSY
Replace the Power key FPCB
YesNo
Check the signal of TRST_N = 1.8V
No
Check the output voltage of U5000
L5000 > 0.75V, L5001 > 0.75V, L5002
> 0.75V,
L5003 > 0.75V, L5004 > 0.75V, L5005
> 0.75V,
L5006 > 0.75V, L5008 > 1.1V, L5009
> 1.3V, L5010 > 2.0V, L5011 > 0.75V
and other LDO Voltage
If the output voltage is not normal,
Change the U5000
※ Each voltage level has ±10% margin
YesNo
Check the Clock OSC5000Is the frequency 32.768kHz?
No Replace the OSC5000
※ Test condition (Oscilloscope setting)
: 20.0us.div (time division) YesNo
Check the initial operation
YesNo
No Charging the battery by TA.
If its voltage level is extremely low
(under 3.0V),
Change the battery.
END
YesNo
Power-on the phone and check
the power-on sound
or motor Vibration. Sound or Vibration is ok?
No
Check the voltage level at R50122 while pressing power
key. Is the voltage high?
No
Check the Battery Voltage. Is it more than 3.8V?
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8. Level 3 Repair
8-4-2. Initial
Initial Failure
YesNo
YesNo
END
AbnormalNo
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
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8. Level 3 Repair
8-4-3. No Service
No service
YesNo
YesNo
END
Check the Voltage L5007 : 1.3V, C5084 : 1.3V
No
Replace the U5000
Home screen → Phone →
Keypad → *#1234# → Check
Phone version → CP :
N950FXXXX or unkown
YesNo
CP : A505XXXXX
Check the connection of RF coaxial cable
Check the clock OSC5000 Is the frequency 32.768KHz?
No
YesNo
Replace the OSC5000
Replace the U2004
YesNo
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8. Level 3 Repair
8-4-4. SIM Part
Insert SIM card
YesNo
YesNo
END
Check the SIM Voltage. = 1.8V or 3.0V
(C6016,C6036)?
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)
Is SIM socket ok?
YesNo
No
Replace SIM socket
Check the SIM RST / IO / CLK. (SIM1 : ZD6024, ZD6025, ZD6026) (SIM2 : ZD6004, ZD6007, ZD6008)
Is signal ok?
No
YesNo
Check the UCP400 (Crack etc)
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8. Level 3 Repair
8-4-5. T-Flash Part
Insert T-Flash card
YesNo
YesNo
END
Check the T-flash Voltage.(C6037) = 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?
YesNo
No
Replace SIM socket
Check the t-flash CMD /Data/CLK.
(ZD6002, ZD6007, ZD6008) Is signal ok?
No
YesNo
Check the UCP400 (Crack etc)
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8. Level 3 Repair
8-4-6. Cable Charging Part
Insert TA / USB
Yes
Yes
END
Check the VBUS_IF_5V0(C6053)=5V or 9V
No
Replace U6002
Charging Sequence Start VBUS_IF_5P0(C9030) = 5V or 9V
Yes
No
Replace SUB PBA
Battery is Charging?
No
Yes
Replace U5005
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8. Level 3 Repair
8-4-7. OTG
OTG does not work
Yes
Yes
END
Check the VBUS_IF_5P0(C6053) = 5V
No Check U6002
(crack, open, damaged, etc.)
Check the VBUS_IF_5P0(C9030) = 5V
Yes
No Check U5001
(crack, open, damaged, etc.)
Check OTG working ?
No
Yes
Replace SUB PBA
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8. Level 3 Repair
8-4-8-1. Magnetic Sensor
Magnetic Sensor does not work
YesNo
YesNo
END
Check R3007, R3008 (I2C is OK?)
No
Replace U3015
Check the voltage C3064 =1.8V
YesNo
No
Replace U3014
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8. Level 3 Repair
8-4-8-2. 6Axis Sensor
6Axis Sensor does not work
YesNo
YesNo
END
Check 6Axis SCL, SDA pin (I2C is OK?)
No
Replace U3012
Check the voltage C3072 = 1.8V
YesNo
No
Replace U3014
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8. Level 3 Repair
8-4-8-3. Proximity
Proximity Sensor does not work
YesNo
No
Replace U3012
Check the voltage C3070 =1.8V
(Sensor’s IO voltage)
YesNo
No
Replace U3014
No
YesNo
Replace U3031
Check the voltage C3069 =3.3V
(Sensor’s LED voltage)
Check SDA, SCL of U3031 (I2C is OK?)
YesNo
END
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8. Level 3 Repair
8-4-8-4. Hall Sensor
Hall Sensor of Sub PBA does not work
YesNo
No
END
Check U3007
(crack, damaged, etc.) Replace U3007
Check the voltage C3059 =1.8V
YesNo
No
Replace U5000
YesNo
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8. Level 3 Repair
8-4-8-5. Fingerprint Sensor
END
Replace the Fingerprint sensor module
And Calibration
YesNo
Fingerprint Sensor does not work
YesNo
YesNo
Check Finger sensor Connector. Is it broken?
YES
Replace Finger Sensor
Do you change Octa or Main PCB or Finger sensor?
No
YES
Do calibration.
Check the Fingerprint Sensor SPI Line and VCC 3.3V.
(They are OK?)
No
No
Replace Main FPCB
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8. Level 3 Repair
8-4-9-1. Microphone Part - Main MIC
Check main microphone function
in voice call Handset mode or voice recorder
mode
YesNo
Check the voltage of L9023 at board = 2.7V
No replace MAIN FPCB
YesNo
END
Check the MAIN_MIC_P data at L9024
YesNo
Replace MIC9000 No
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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
YesNo
Check the voltage atL6008 = 2.8V
No Replace U6012
YesNo
END
Check theSUB_MIC_P data at
L6002
YesNo
No Replace MIC6000
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8. Level 3 Repair
8-4-10. Speaker Part
Check speaker function.
Play MP3 with maximum volume level.
YesNo
Check C-clips of Sub PBAANT9003, ANT9005
No Replace C-Clip
YesNo
YesNo
END
Replace speaker module
No Replace MAIN FPCB
Check the PWM output at ANT9003,ANT9005
Check the PWM output at ANT9003,ANT9005
Replace SUB PBA
Check the PWM output at ANT9003,ANT9005
Replace U6001 on MAIN PCB
YesNo
YesNo
YesNo
No
No
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8. Level 3 Repair
8-4-11. Receiver Part
Check receiver function
in voice call receiver mode
YesNo
Check RCV module where RCV's placed
for any damage
No Resolder or Replace
ANT9003, ANT9005
YesNo
Check the signals onL6000, L6003
No Resolder or replace L6010, L6014
YesNo
END
Replace RCV module
YesNo
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8. Level 3 Repair
8-4-12. BT/WIFI
BT/WIFI is not working
YesNo
No Enable BT or WIFI function.
YesNo
END
YesNo
Check the status of U3001
No Resolder or change the
U3001, REAR
YesNo
Check the Status of L3000, C3015, C3008, C3016, C3017, C3009,
U3001
No Replace of
U5000
Resolder or change U3005
Check BT or WIFI function ON
YesNo
YesNo
Check the voltage C3005 = 1.2v C3006 = 1.8v, C3011 = 1.8v, C3023 = 1.8v, C3030 = 1.1v, C3035 = 3.3v
Resolder or Replace of L3000, C3015, C3008, C3016, C3017,
C3009, U3001
No
YesNo
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8. Level 3 Repair
8-4-13. GPS
GPS is not working
YesNo
No Enable GPS Function in the setting.
YesNo
END
YesNo
Check the Antenna connect ANT3004
No 1. Resolder or Replace ANT3004 2. Replace REAR
YesNo
Check(crack,open,etc) L3016, C3055, C3047, L3010, L3008, C3048, F3000, C3049, C3050, C3058,
L3014, F3001, U3006, L3013
No Resolder or change the wrong element
(open, crack, deviation, etc)
YesNo
Resolder or change U3005
Check GPS function ON
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8. Level 3 Repair
8-4-14. NFC
END
Check the Antenna contact ANT3000, ANT3001
NFC is not working
YesNo
No
Enable NFC Function
Check the Voltage on C3084 = 1.8V
YesNo
YesNo
No
1. Resolder or Replace ANT3000, ANT3001 2. Replace NFC ANT
Check 26MHz Clock at TP_NFC_CLK
YesNo
No
Check U5000 (crack, open, damaged, etc.)
YesNo
Check the Status of C3099, C3097, C3095, C3102, C3096, C3107,
R3010, L3023, L3001
No
No
Check UCP400
Resolder or Replace C3099, C3097, C3095, C3102, C3096, C3107, R3010,
L3023, L3001
YesNo
YesNo
Resolder or Replace U3000
Check NFC function ON
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8. Level 3 Repair
8-4-15. FM radio part
FM is not working
YesNo
No Enable FM Function.
YesNo
END
YesNo
Check the voltage of C3012 = 1.8V C6057 = 2.8v
No Resolder or Replace U5000
YesNo
Check the status of C3032, L3006, C6026, U6003, SUB PBA Is it ok?
No Resolder of Replace C3032, L3006,
C6026, U6003, SUB PBA
Resolder or Replace U3015
YesNo
Check the FM function
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8. Level 3 Repair
8-4-16. Display
LCD is still off after PWR ON
YesNo
No Reconnect the HDC7004
END
YesNo
Check VDD_LCD_3P0 = 3.0V (C7048) VDD_LCD_1P8 = 1.8V (C7049)
No Resolder or Replace the U7005(3.0V)Resolder or Replace the U7006(1.8V)
YesNo
Check ELVDD 4P6 = 4.6V (C7066)
ELVSS_-4P4 = - 4.4 ~ - 1.4V (C7074) ELAVDD_7P3 = 7.6V (C7056)
No Resolder or Replace the U7000
YesNo
Check the connection of HDC7004
Replace the Display module
YesNo
Replace the Display con-to-con FPCB
YesNo
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8. Level 3 Repair
8-4-17. Triple Camera
Yes
END
Check the voltage
C7026 : 2.8V , C7015 : 2.9V
C7013 : 1.2V, C7018 : 2.8V
C7022 : 1.8V, C7020 : 1.1V
C7016 : 1.8V
No
Yes
No
Replace the PBA
“Camera” function does not work
Yes
No
Reconnect the HDC7000, HDC7001, HDC7003
Yes
Check the Camera connector on Main
PBA
Yes
Replace the camera module
Check the CAM_MCLK is
26MHz (C7006,C7004)
Resolder or Replace U7003, U7002, U7001
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8. Level 3 Repair
8-4-18. VT CAMERA
“Camera” function does not work
Yes
No
Reconnect the HDC7002
Yes
END
Yes
Check the voltage
C7021 : 1.05V
C7014 : 1.9V
No
Resolder or Replace U7003
Yes
No
No
Replace the PBA
Yes
Replace the Front camera module
Check the Camera connector on Main
PBA
Check the VTCAM_MCLK is
26MHz (R7005)
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8. Level 3 Repair
8-4-19. TSP
Touch Screen does not work
YesNo
No Reconnect the HDC7004
YesNo
END
YesNo
Check the voltage VDD_1P8_1P8 (ZD7004) = 1.8V VDD_TSP_A3P0 (C7077) = 3.0V
No Resolder or Replace U5001, U7007
YesNo
Replace the Display module
Check TSP Connector on MAIN PBA
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8. Level 3 Repair
8-4-20. Motor
Motor does not work
Yes
No Resolder or Reconnect ANT5104 , ANT5105
Yes
END
Yes
Check L5901 and L5999 (crack,open,etc)
No Resolder or Replace
L5901, L5999
Yes
No Resolder or Replace C5811or
Replace : U5810
Yes
Replace Motor
Check the Clip ANT5104 and ANT5105
Check the voltage C5811 C5811 = 3.3V
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8. Level 3 Repair
8-4-21. GSM 850/900, WCDMA B5/8, LTE B5/8/20/28 PRx
END
Check ant path any damage(ANT9004 ~ ANT9000)
Is it ok? (SUB PBA) )
Check RX path any damage(RFS1000~U1000)
Is it ok?
Check U1000, U2004 any damage
(Crack, open, etc), is it ok?
i
Change the board
Resolder or changeAntenna path components
Resolder or change RX path components
Resolder or changeU1000, U2004
NO
NO
NO
YES
YES
YES
YES
YES
It is not catching the channel In normal condition
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8. Level 3 Repair
8-4-22. LTE B7/38/40/41 PRx
END
Check ant path any damage(ANT1000 ~ U1001)
Is it ok? )
Check RX path any damage(U1001~PAM1000)
Is it ok?
Check PAM1000 ~ U2004 any damage
(Crack, open, etc), is it ok?
i
Change the board
Resolder or changeAntenna 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
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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. GSM DCS/PCS, WCDMA B1/2, LTE B1/3 PRx
END
Check ant path any damage(ANT9004 ~ ANT9000)
Is it ok? (SUB PBA) )
Check RX path any damage(RFS1000~U1000)
Is it ok?
Check U1000, U2004 any damage
(Crack, open, etc), is it ok?
i
Change the board
Resolder or changeAntenna path components
Resolder or change RX path components
Resolder or changeU1000, U2004
NO
NO
NO
YES
YES
YES
YES
YES
It is not catching the channel In normal condition
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8. Level 3 Repair
8-4-24. GSM 850/900, WCDMA B5/8, LTE B5/8/20/28 DRx
END
Check ant path any damage(ANT2006~U2003)
Is it ok? )
Check RX path any damage(U2003~U2001)
Is it ok?
Check U2001, U2004any damage
(Crack, open, etc), is it ok?
i
Change the board
Resolder or changeAntenna path components
Resolder or change RX path components
Resolder or changeU2001, U2004
NO
NO
NO
YES
YES
YES
YES
YES
It is not catching the channel In normal condition
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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
8-4-25. LTE B7/38/40/41 DRx
END
Check ant path any damage(ANT2006~U2003)
Is it ok? )
Check RX path any damage(U2003~U2001)
Is it ok?
Check U2001, U2004any damage
(Crack, open, etc), is it ok?
i
Change the board
Resolder or changeAntenna path components
Resolder or change RX path components
Resolder or changeU2001, U2004
NO
NO
NO
YES
YES
YES
YES
YES
It is not catching the channel In normal condition
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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
8-4-26. GSM DCS/PCS, WCDMA B1/2, LTE B1/3 DRx
END
Check ant path any damage(ANT2006~U2003)
Is it ok? )
Check RX path any damage(U2003~U2001)
Is it ok?
Check U2001, U2004any damage
(Crack, open, etc), is it ok?
i
Change the board
Resolder or changeAntenna path components
Resolder or change RX path components
Resolder or changeU2001, U2004
NO
NO
NO
YES
YES
YES
YES
YES
It is not catching the channel In normal condition
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8. Level 3 Repair
8-4-27. GSM 850/900, WCDMA B5/8, LTE B5/8/20/28 Tx
END
Check ant path any damage(ANT9004 ~ ANT9000)
Is it ok? (SUB PBA) )
Check TX path any damage(RFS1000~U1003)
Is it ok?
Check TX path any damage(U1003~U2004)
Is it ok? ?
i
Change the board
Resolder or changeAntenna 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 U2004, U1003 any damage
(Crack, open, etc), is it ok?
Resolder or changeU2004, U1003
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
8-4-28. LTE B7/38/40/41 Tx
END
Check ant path any damage(ANT1000 ~ U1001)
Is it ok? )
Check TX path any damage(U1001~U2004)
Is it ok?
Change the board
Resolder or changeAntenna 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
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
8-4-29. GSM DCS/PCS, WCDMA B1/2, LTE B1/3 Tx
END
Check ant path any damage(ANT9004 ~ ANT9000)
Is it ok? (SUB PBA) )
Check TX path any damage(RFS1000~U1003)
Is it ok?
Check TX path any damage(U1003~U2004)
Is it ok? ?
i
Change the board
Resolder or changeAntenna 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 U2004, U1003 any damage
(Crack, open, etc), is it ok?
Resolder or changeU2004, U1003
NO
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