Samsung SM-N950F Service Manual - TSHOO-7
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8.
Level 3
8-1
. Compo
Repai
nents La
out
Confidential
Distribution, tra
nsmission, or in
nd proprietar
ringement of an
-the contents i
content or dat
n this service
from this docu
uide subject t
ent without Sa
change with
sung’s written
ut prior notic
uthorization is s
rictly prohibited.
a
f
r
y
y
a
g
m
o
m
o
a
e
t
8.
Level 3
Repai
Confidential
Distribution, tra
nsmission, or in
nd proprietar
ringement of an
-the contents i
content or dat
n this service
from this docu
uide subject t
ent without Sa
change with
sung’s written
ut prior notic
uthorization is s
rictly prohibited.
SM-N950F
Confidential
WPC_THM
PA_THM_AP
PA_THM_CP
AP_THM
Connectivity
& Sensors
GNSS LNA
BGU8019W
CHG_THM
USB_THM
NFC
SEN82SGXS1
HRM
MAX86907BET+T
SFHG89XA402
GNSS_TCXO
KT1612A26000A
GPS
RF
_
GPS
SAW
CW18TBT
GPS_RF_IN
GNSS_TCXO
Barometer Sensor
6Axis Sensor
SPI
I2C
INT
Sensor HUB
BCM4774
Magnetic Sensor
I2C
PROXIMITY
I2C
INT
Sensor LDO
AP7340D-18FS4-7
WIFI ANT1
PMIC_CLK_32K
GPS_CLK_26M
BT_WLAN_CLK_32K
WIFI ANT2
CODEC_CLK_32K
UART
BT/WIFI/ANT+
SWB-E32
Diversity 1
GSM/GPRS/EDGE 850 Rx Only
WCDMA 850 Rx Only
LTE Band 5/12/13/17/26 Rx Only
LTE Band 4 Rx Only (4x4 MIMO)
Diversity 2
GSM/GPRS/EDGE 1900 Rx Only
WCDMA 1700/1900 Rx Only
LTE Band 2/4/25/41/66 Rx Only
Diversity 3
Non-US Antenna
DPX202700DT-4062A1
GPS Extractor
B8666
GPS
SFHG56BA002
B7
LB LFEM
HFQRX4WJB-361
MB LFEM
HFQRXEVJB-362
B40
SAFFB2G35AA0F3K
HB LFEM
HFQRX4WJB-363-1
B32
SAFFB1G47AA0F3K
SPEEDY
I2C
SPI
I2C
CP_UART SPI
GPS_CLK_26M
UART
PCM
PCIe
I2S
SPI
CODEC
_CLK_26M
I2S
I2C
INT
INT
MIPI 2LANE
I2C
I2C
Audio Codec
CS47L93
SPK AMP
MAX98506B
HALL Effect Sensor1
HALL Effect Sensor2
Front CAM
S5K3H1SX (S.LSI
IRIS CAM
'S5K5E6YX (S.LSI)
SPK
MIPI 2LANE
MAIN
MIC
SUB
MIC
RCV
EAR OUT
`
EAR MIC
AUDIO
Main 1
GSM/GPRS/EDGE 850 Tx/Rx
WCDMA 850 Tx/Rx
LTE Band 5/12/13/17/26 Tx/Rx
LTE Band 4 Rx Only (4x4 MIMO)
RF
Main 2
GSM/GPRS/EDGE 1900 Tx/Rx
WCDMA 1700/1900 Tx/Rx
LTE Band 2/4/25/41/66 Tx/Rx
Main 3
Non-US Antenna
DPX202700DT-4062A1
DPDT
B7/40
SFWG52DBB02
B1/3
SAWFD1G84AA0F3K
LB LPAMID
LMTWDVFA-J51
MB LPAMID
AFEM-9060-SG1
SAFFB1G47AA0F3K
B32
B34/39
SFWG00DB002
HB LPAMID
QM78038
2G PAM
SKY77365-11
SFH782AQ102
TRCV
SHANNON955
S5M9550A01-7030
MARCONY
AP
EXYNOS8895
CPU = 2.5GHz
I2C
I2C
FROM_SPI
COMP_SPI
DISP_DET
I2C
MIPI 4LANE
I2C
I2C
UFS
I2C
Rear CAM
'S5K5E6YX,
S5K3M3SM14'
MIPI 2LANE
MIPI 4LANE
NCX2200GM
MAIN TSP
S6SY661 (S.LSI)
UB
DISPLAY PMIC
S2DOS03
WACOM
W9018
KLUCG4J1ED-B0C1 Saturn 64G
VDD_UFS_1P8
VDD_UFS_2P95
UFS BUCK DCDC
S2ABB02
KLUCG4J1ED-BOC1
MIPI 4LANE
MIPI 4LANE
UFS MEMORY
LPDDR4X
EL_ON1
COMPANION
IC
S5C73C3X01-
L030
CAMERA
DISPLAY
MEMORY
26MHz
TCXO
TR_TCXO
USIM
TCXO_26M_AP
TCXO_26M_PMIC
TCXO_UFS_26M_AP
VRF_VCC2_ET
VRF_VCC1_ET
RFFE1
ET Modulator
S5M7350X01-6030
Fingerprint Sensor
SPI
BTP_LDO_EN
Dual
LDO
AP7346
P9320S
LDO_5P0
I2C
MFC
VRECT
I2C
FLASH_EN
SUB PMIC
S2MPB02X
01-0630
`
FLASH LED
SPEEDY
AP_PMIC_
AP PMIC
S2MPS17X01-6030
BT_WLAN_CLK_32K
SENSOR HUB CLK 32K
CODEC_CLK_32K
X-TAL
32.768
KHz
CLK_32K
CL65_JIG
I2C UART
IF PMIC
MAX77865
MOTOR
SVC LED
USB2.0
USB2.0
VCON_BOOST
FAN48618BUC53X
CHG_IN_5P0
OVP , L/S
FPF3688UCX
VBUS_IF_5P0
JIG_ONB_CC
VCONN_BOOST_EN
VCONN 5V
PD-IC
S2MM005X
02
CC
DG2730DN-T1-
I2C
SBU
DP AUX SW
`
GE4
USB SS
AUX
USIM
SDIO
SIM1
SIM2
Micro SD
SIM-SD
USB Type-C
MST SW
STAPS01
MST_PWR_EN
PMIC
USB Type-C
ANT402
ANT403
V405
V402
V302
R306
C329
ZD311
ZD312 ZD313
R346
C357
ZD316
R347
R345
C356
C358
ZD314
ZD315
ZD304
ZD305
R311
R312
ZD303
ZD302
R309
ANT303
ANT306
ANT305
ANT304
TP439
TP430
R343 R344
C353 C354
R300
R5040
TP6002
TP6001
TP7017
TP7015
TP7016
C7016
TP7020
TP7006
TP7021
TP7000
R310
R313
ZD306
L304
C342
R335
ZD300
L302
L303
C361
C362
TP437
TP438
TP440
TP405
TP404
TP433
TP431
ZD321 ZD322 ZD323
V304
R348
ZD307
C359
C336
R303
R332
V7003
R307
TP_eDP
L7015
C7102
C7214
U7018
C7022
C7020
TP7023
L7018
TP7007
C7025
R7006
C5003
C6059
C7213
R7016
R5023
R5024
R5080
C5004
C6038
C6062
C6089
C6085
SC602
UCP500
R5063
C316
C6069 1706C0706C
C6080
C6039
C6061
C6082
C6109
C6088
C6042
C315
C7045
C7062
C7063
C6037
UME301
C7130 C7159
C6035
R5074
C6058
L7014
C7099
R7051
C6060
C6081
C6087
C6074
C6075
C6045
CD300
C7104
C7105
C7103
C7109C7110
C7108
R7007
R7019
C7161
C5008
R5047
R5045
C6055
R5050
R5073
R5079
R5062
C6083
C6051
C5000
R5076
C6027
R5068
C6090
R5061
C7044
C7053
C6034
C6084
C6110
SC607
L7017
D7002
C6086
C6036
R5088
C7047
R5010
R5001
R5117
TP308
R5113
TP307
R5060
R5071
TP5006
R5118
TP5005
R5114
R5112
C7011
R5116
R5072
R5057
R5059
C7077
R5070
TP305
R5069
R5056
TP7019
R5111
TP306
R5115
R5064
R5021
R5051
R5022
R5052
R5120
R5082
R5119
R5083
R5081
TP_CLK_MON
TP7003
TP7022
TCXO_EN
TP7004 TP7005
TP7012
TP7024
TP301 TP304
TP316TP317
C307
C7071
C304
C7084
C305
C7215
C7203
C436
C432
C425
L411
U1205
C1220
V203
V213
ANT210
R5124 R5125R5126R5128
L1209
TP450
TP451
TP452
C1235
C1217
TP902
ANT202
C482
R900
ZD1208
R5006R5007
ZD1209
C926
ZD1214
C7174
ZD1215
ZD1217
L1207
C1223
C1224
C917
C1226
L1208
C1227
ZD1210ZD1211ZD1212 ZD1213
C295
C921C923
C439C440
U409
TP453
V201
V208
U417
C918
C1221
U7024
C7175
C1222
L1204
C1225
L1205
C481
ANT213
ANT206
ZD203
ANT802 ANT803
ANT209
R420
R421
C332
C333
ZD206
C205
L804L805
C280
C281
C838
C886
V801
C837
C887
V800
ANT200
U10015
ANT211
V209V212
C249C250C251
L208
L247
L203
C201
L206
F201
C204
C276
CPL200
L209
L200
L205
L212
C203
C202
L213
C218
F208
L256
L251
L257L263L264
L214
L250
C246
C245
F206
L246
C217
F203
U1206
C1218
C942
ANT203
L240
L239
F205
L219
L238
U407
C433C434
L409L410
C1219
ZD1205
TP6018
HDC1203
R414
C7286
ZD301
C460
C444
C461
TP401
V300
R404R405
TP445
TP454
ZD7000
R401
C413
C7112
R400
C407
C405
R7021
TH7000
V303
C414
TP447
TP461
TP459TP460
C401
C406
C483
ANT302
CON301
C920
C430
ZD1216
C1216
ZD1206
ZD1207
OSC400
R5095R5096
U1201
C1215
ANT207
V7006
V205
C319
R333
2005C1005C
C5005
V5001
R5041
R5009
C6098C6099
C6023
C6044
C6142
C6052 C6053C6054
C6096
C7085
R302
TP814
TP815
TP202
C1018
C1006
C1005
C1002
TP813
R906
U902
L819
C858
C853
C1306
C860
C1024
C1027
TP314TP315
TP816
C983
C884
C868
U1018
C1026
U1014
TP808 TP809TP810
C874
L1009
U1015
C271
C859
L1004
C1025
C1028
U1017
L1011
L1010
C1008
R918
R905
R926
U803
C1017
C1019
TP811
U1301
C1015
C1016
C814
R800
R1002
L1000
C1059
L1017
F1001
R1003
L1001
L1042
R5044
C5007
PAM1001
L1016
C1014
C1013
C1058
C1056
U1026
C1055
C1066
C1072
L1048
C1071
C1022
U1010
U1012
C1021
TP203
C1020
R315
TH300
C327
C1063
U1007
C1064
U1008
SC604
C1007
C1067
C1074
PAM1000
TP7002
C1003
L1043
U1002
L1050
L1012
L1002
F1000
U1004
TP802
C839
C816
L806
C813
U808
R840
C819
C812
R802
C831
C826C827
R808
C842
C829
C823
C817
C841
L807
C844
C843
C828
L808
R809
C1307
U1303
C1302
U1304
R855
R818
L809
U805
C857
D800
R1300
R1305
C862
C861
R817
R822
C873
C822
R811
C1311
C1313
C852
U1305
R824
C1309
R1304
C1301
U1300
C1303
C847
C1310
C1312
C1304
C803
R821
R868
R819
R881
U804
R860
C854
ZD7003
R861
C885
C802
Q7000
ZD803
C883
R850
ZD802
R851
D803
R816
C1057
C1061
C1060
C1079
C1077
C1069
L1047
TP321
C1086
C1087
TP804
C1044
C1088 C1089
TP803
L1054L1055
C1062
C1065
PAM1003
C1076
C1081
L1014
C1082
C1043
C1054
L1053
L1044
C867
R807
C801
R815
F1005
C818
C805
C836
C824
TP1301
R1309
R1302
R1308
R1303
R823
C876
TP1300
TP812
D802
C871
C830
C833
C825
R5019
R5020
R1301
U1302
C1305
C1308
U800
ZD804
C1084
F1004
C834
C870
L803
R883
R882
C832
ANT208
V7011
V206
C800
C804
R801
C809
C806
L801
ZD811ZD812
C1085
C1083
L1052
R805
R806
L1045
C1075
R803
C875
C807
TP6015
C1068
ZD817
ZD816
C851
ZD815
L813
ZD814
JTAG5003
HDC800
ZD1000
C848
C849
C850
C1010
L811
L812
L820
R879R880
R5011
JTAG5000
R1000
R814
R5012
HDC1300
2005GATJ1005GATJ
ANT205
C904
C905
C906
L907
F207
C290
L262
L259
C291
V214
ANT212
R5017
R5018
R5097
R5098
TP901
BOTHHOLE7006
MIC800
R847
R859
C835
C869
L7020
L224
L226
L1200
U10116
U10120
F202
TP909
R5092
R5093
U1200
C944
L906
C902
C979
SC606
U901
C946
C940
R5030
R5031
R901
R902
TP6017
C476
L431
L432
ZD326
HDC301
R1202
C941
C978
C992
C927
L903
C901
L909
C937
C924
C935
C982
C936
C900
C993
HDC7000
ZD324
ZD325
U411
C320
R304
TP6010
U10119
C1204 C1205C1206
C995
R7000
C7228
C7220
C7107
C938
C922
C943
C994
C945
C996
C925
HDC1202
C1210 C1211
C1214
C1213
C939
TA7000
GA1201
R7001
ANT201
V204
L245
C297
U203
L258
C284
C283
L265
BOTHHOLE7001
HDC1200
L443 L444
U402
L445
R1212
TP6011
ZD1200ZD1201
ZD1204
ZD1203
L1203
C1201 C1202
R1213
L1201
C1203
C1207
C1208
ZD1202
C1212
L446
C435
C323
V1200
ZD317
GA1200
C366
L305
LED900
U412
C473
C478
C472
C470
C471
C468
R419R425
L421L422
C469
R5032R5033
TP455TP456
C450
ANT7010
C467
ZD7006
ZD7005
ANT7006 ANT7007
ANT7003
ANT7008
ANT7009
ANT7011
R5043
V1201V1202
R5046
C462
C456
C463
C455
C464
C465
C449
U408
TP435
C448
TP429 TP432
R432
L243
ZD204
ZD205
C282
L404
C5006
R5002
V7001
L430
V5002
V301
V210
C367
L306
R350
C334
C322
TP457
TP458
L439
V400
L401
L441
C474
L433
C418
C415
F401
L405
C423
L402
L436
F400
CON300
TP428
L414
C404
C403
L412
TP424
F402
L400
C438
C400
L413
ANT400
V403
C410
L442
U401
L403
L437
C411
R431
C419
R430
R5099
HDC5000
TP446TP448
TP403
TP407
TP409
TP462
U400
TP408
C402
TP402
TP400
TP410
C416
C408
TP406
C956
TP904
C953
C955
C954
U904
TP_COMP_MCLK
C6021
C6148
C6093
C6013
C6103
L1206
L1202
C1228
C1209
R1201
C6057
C1200
C7089
C7051
C6144
C6022
L7007
L7006
U7007
L7011
C311
C303
TP300
U300
C306
C7001
C310
TA7005
TP425TP426
TP443
TP419
TP421
TP412TP413TP414
TP415
TP427
U405
TP442
TP416TP417
R403
TP418
R402
R410
TP411
C427
C428
TP449
R411
R406
R407
TP444
TP423
R408
SC6001
L406
C328
L301
C348
C368
R316R317
ZD318
ZD319
C369
L307
R334
TP6016
TA7002
ZD7001
C7133
U7020
C7134
C7125
C7124
ZD7002
C7113
C7114
C7119
C7120
ZD7004
C951 C952
C7222
C6046
C6002
C6031
C6019
C6049
C6092
C6141
C6119
C6011
C7054
C6009
C7049
C7092
C6133
C6056
C6028
L7019
C6143
C7018
C7017
C302
C312
L300
C981
C930
C932
C914
R7018
C7201
C958
C7137
C957
TP903
C7088
TP905TP906 TP907
TP908
C6040
C7052
C6041
C7223
C6018
C6134
C6024
C6033
C6064
C6107
C6100
C6147
C6000
C6146
C7034
C6125
C6111
C6137
C7082
C6126
C6006
C7046
C6007
C6102
C6135
C6136
C7050
L7005
L7003
C7026
C7032
SC605
C7035C7036C7039
U7002
C7057
C7004
C7000
C7042
L7002
C7075
C309
C7014C7015
C308
C300
C7002C7003
C301
L901
C908
C7006
C7005
C7087
C912
U900
C931
C907
C911
C913
C980
L900
L902
C421
L435
TP420
TP422
L434
C331
HDC300
TA7004
C7172
C7150
C7128
C7153
U7023
C7164
C7256
C7118
C7135
C7111
C903
C7024
C7091
C7090
C6101
C6139
C6050
C6010
C6004
C6017
C6129
L7000
L7001
C7021C7023
C7058
L7009
L7012
C7013
C7007
C7009
C7010
L905
C933
L904
C910
V401
C486
V404
C318
C343
ZD308ZD309
C330
R301
C317
TP6020
V7005
C7155
C7122
C7146
DEBUG_CLK
TP7025
TP7008TP7009
C7156
C7224
C7129
C7148
C7151
R5036
R5037
R7049
DEBUG_IO
TA7001
C7165
C1233
C7131
R7036
D7003
TP5002
C7080
C6076
C7093
C7043
C6047
C6043
C6016
C6020
C6145
C6012
C6005
C6131
C6138
C6026
C6095
C6003
C6014
C6140
C6113
C6065
C7029
C7055
L7004
C7028
C7059
C7040
C7012
C7068
C7056
C7027
L7010
C7076C7078
C7008
C7069
C7019
C909
C928
C929
L911
ANT401
ZD310
BOTHHOLE7004
HDC1201
TP6012
ZD1220
U10118
C1230
ZD1224
C1229
C7227
ZD1223
ZD1221
ZD1218
ZD1219
U10117
C1232
R1211
BOTHHOLE7002
C7072C7073
C6063
C6077
C6094
C6025
C6030
C6001
C6091
C7041
C6078
TP7001
C7048
C6132
C6032
C6008
C6106
C6048
C6114
C314
C7060
C313
C6068
C6128
C6117
C6073
C6072
C6029
C6015
C6118
C7079
L7013
L7008
C7074
C7065
C7086
C7070
C7094
C7033
OSC7000
C7226
C7225
C7081
TA7006
C7067
C7066
C7030
C7064
L910
V7007
C934
R5013R5014
R904
BOTHHOLE7008
C1231
C7083
R203
C272
C1036
U1020 U1021
PAM1002
C1030
C1049
C1053
L1020
L1038
R804
C855
F1003
L1039
L1037
U105
C1095
C1098
BOTHHOLE7009
CLIP101
TCX300
L1024
L1036
L1040
C1097
L1035
C257
R331
C344
C345
C273 C274
C1031
C267C268
C275
C1042
L1030
L1031
F1002
C1041
C197C199
L1005L1007
RFS1000
R887
C863
R862
R885
C225
C264
C254
C1033
C258
C255
C2029
L1028
L1032
C224
C7061
C256
L1033
C266
C265
C260
L2021
C963
C989
L233
L234
C1011
C1012
L1015
C247
L1026
C1004
C1001
L1008
C969
R907
C977
R5025
R5026
C975C976
C966C967
C965
C990
C325
C346
U1019
SC603
L1022
U101
R886
U806
C263
L236
C269
C252
C208
L237
C261
L241
C253
C279
C262
L215
U202
L1013
L1025
C259
C270
L1049
U1009
C1009
HDC901
V7004
U1024
C1038
TP6014
L1029
U1022
C1080
C1073
TP6019
BOTHHOLE7003
C1047
C1052
C1048
TP200
C964
C987C988
C972
C970C971
C1300
C219
C221
C220
L231
L232
C278
U10047
C7202
C7229
C1078
U1027 U1028
L1051
L1046
C1070
C1039
U1023
L1027
C1040
SUS100
CLIP102
C1035
C1032
C1034
TP6013
ZD1001
L1061
L1021
L1023
C1000
R1005
R1004
R5005
R5003R5004
RFS1001
R836R837
C865C866
HDC1301
R5008
Q800
R884
C840
TP_UB0
TP_UB1
R5108
C1234
U1204
R1214
R7052
R7053
R812
R813
C1090
C1091
C7287
L1056
C1051
ANT1002
L1060
L1058
3
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8.
Level 3
8-
. Flow c
Repai
art of Tr
ublesh
oting.
Oscil
Powe
oscope
Supply
+ d
iver, ESD
Digital M
ultimete
Safe Twe
ze
8
60 & Spe
Confidential
Distribution, tra
nsmission, or in
trum Anal
nd proprietar
ringement of an
ze
-the contents i
content or dat
n this service
from this docu
uide subject t
ent without Sa
Solderi
change with
sung’s written
ng iron
ut prior notic
uthorization is s
rictly prohibited.
8. Level 3 Repair
8-4-1. Power On
Mobile phone does not power on.
Yes
Check the Battery Voltage.
Is it more than 3.8V?
No
Yes
Charging the battery by TA.
If its voltage level is extremely low
(under 3.0V),
Change the battery.
Power-on the phone and check
the power-on sound
or motor Vibration.
Sound or Vibration is ok?
Check the voltage level at
R304 while pressing power
key. Is the voltage high?
Check the signal of
AP_PS_HOLD = 1.8V
No
Yes
Yes
Yes
No
No
Change the FRONT-LCD ASSY
Replace the Power key FPCB
Check the output voltage of U7002
L7000 > 0.75V, L7004 > 0.75V,
L7005 > 0.75V, U7007 > 0.75V,
L7006 > 0.75V, L7008 > 1.1V,
L7009 > 0.95V, L7010 > 1.1V,
L7011 > 1.3V, L7012 > 1.95V
L7013 > 0.75V, L7019 > 0.75V
If the output voltage is not normal,
Change the U7002.
※ Each voltage level has ±10% margin.
Check the Clock OSC7000&U7002
Is the frequency 19.2MHz?
Check the initial operation
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Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
Yes
Yes
END
No
Replace the OSC7000 & U7002
※ Test condition (Oscilloscope setting)
: 20.0us.div (time division)
A
8. Level 3 Repair
8-4-2. Initial
Initial Failure
Yes
Re-download latest SW on the
Re Check "Power on"
Trouble shooting process
Change UCP500
mobile phone
bnormal
Normal
Abnormal
Change PBA
Yes
Abnormal
Check the TCX300
(Crack, open etc.)
Check the U7002 (Crack etc)
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
8-4-3. No Service
No service
Yes
Home screen → Phone →
Keypad → *#1234# → Check
Phone version → CP :
N950FXXXX or unkown
Yes
Check the Voltage
C7062 : 0.8V, C7063 : 1.2V
C7064 : 1.8V, C7079 : 0.75
Check the clock TCX300
Is the frequency 26MHz?
Yes
CP : N950FXXXX
Check the connection of RF coaxial cable
No
Replace the U7002
No
Replace the TCX300
Yes
Replace the UCP500
Yes
END
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Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
8. Level 3 Repair
8-4-4. SIM Part
Insert SIM card
Yes
Is SIM socket ok?
Yes
Check the SIM Voltage.
= 1.8V(C318) or 2.8V(C332)?
Check the SIM RST / IO / CLK.
(SIM1 : ZD311, ZD313, ZD312)
(SIM2 : ZD308, ZD310, ZD309)
Yes
Is signal ok?
No
No
No
Replace SIM socket
Change to the new SIM card.
If it doesn`t still work SIM card after
changing
the SIM card, Check the U7002, U408
(Crack etc)
Check the UCP500 (Crack etc)
END
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
8-4-5. T-Flash Part
Insert T-Flash card
Is SIM socket ok?
Yes
No
Replace SIM socket
END
Yes
Yes
Yes
No
No
Change to the new T Flash card.
If it doesn`t still work T Flash card after
changing
the T FLASH, Check the U7002
(Crack etc)
Check the UCP500 (Crack etc)
Check the T-flash Voltage.
(C331) = 3.0V?
Check the t-flash
CMD /Data/CLK.
(ZD306, ZD302, ZD300)
Is signal ok?
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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
8-4-6-1. Cable Charging Part (Normal/Fast)
Insert TA / USB
Yes
Charging Sequence Start
VBUS_IF_5P0(C860) = 5V or 9V
No
Yes
Check the
CHG_IN_5P0(C859)=5V or 9V
No
Yes
Battery is Charging?
No
Replace SUB PBA
Replace U805
Replace U7018
END
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
8-4-6-2. Wireless Charging Part (Normal/Fast)
Place Phone on Wireless charging Pad
Yes
Charging Sequence Start
VRECT(C7172) = 5V ~ 11V
Yes
Check the
VDD_WLCHG(L7015)=5V or 10V
Battery is Charging?
Yes
Yes
No
Replace GH42-05922A
No
Replace U7020
No
Replace U7018
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
8-4-7. OTG
OTG does not work
Check the
CHG_IN_5P0(L809) = 5V
Yes
No
Check U7018
(crack, open, damaged, etc.)
Yes
Check the
VBUS_IF_5P0(C860) = 5V
Check OTG working ?
END
Yes
Yes
No
No
Check U805
(crack, open, damaged, etc.)
Replace SUB PBA
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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
8-4-8-1. Sensor Hub
Sensor Hub does not work
Check the voltage
C483,C407,C413 =1.8V
Yes
No
Replace U7002
Check U400
(crack, open, etc.)
END
Yes
Abnormal
Replace U400
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
8-4-8-2. Magnetic Sensor
Magnetic Sensor does not work
Yes
Check the voltage
C421 =1.8V
No
Replace U417
Check R404, R405
(I2C is OK?)
Check U405
(crack, open, etc.)
END
Yes
No
Replace U400
Yes
Abnormal
Replace U405
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
8-4-8-3. 6Axis Sensor
6Axis Sensor does not work
Check the voltage
C440, C439 =1.8V
Yes
No
Replace U417
Check 6Axis
MOSI, CLK, NSS, MISO pin
(SPI is OK?)
Check U409
(crack, open, etc.)
END
Yes
No
Replace U400
Yes
Abnormal
Replace U409
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
8-4-8-4. Barometer sensor
Barometer Sensor does not work
Yes
Check the voltage
C435,L445,L443 =1.8V
No
Replace U417
Check R404, R405
(I2C is OK?)
Check U402
(crack, open, etc.)
END
Yes
No
Replace U400
Yes
Abnormal
Replace U402
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
8-4-8-5. Proximity + RGB Light sensor
Proximity + RGB Light Sensor does not work
Yes
Check the voltage
L306, C334, C367 =1.8V
Sensor’s IO voltage
No
Replace U417
Check the voltage
L305, C323 =3.3V
(Sensor’s LED voltage)
Check R404, R405
(I2C is OK?)
Check connection HEA300
Check sensor FPCB
(crack, damaged, etc.)
Yes
No
Yes
No
Yes
No
Yes
Abnormal
Replace U901
Replace U400
Reconnect HEA300
Replace Sensor FPCB
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.
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