8-1. Components Layout
8. Level 3 Repair
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.
DISPLAY
SM-A405F
N
Block Diagram
POWER
AUDIO
CAMERA
AP
Lassen O
+
S
5
E
7
904
X
F
0
-
LA
30
POWER KEY
Confidential
5
.
9
"
FHD
AMS
561
RA
01
1
.
8
GHz
2
CA
PMIC
S
2
MPU
08
X
01
-
6030
3
IN
3
SOCKET
SIM
1
_
RST
,
CLK
DC MOTOR
USB Type
-
C
USB
_
D
_
P
/
N
,
USB
_
ID
MAIN MIC
EAR
_
SPK
RCV
EAR MIC
Audio
CODEC
REAR
_
16
M CAMERA
REAR
_
5
M CAMERA
OCTA DCDC
S
2
DOS
04
4
GB LP
4
+
64
GB
KLMCG
2
UCTA
-
B
041
Audio AMP
TFA
9896
BUK
/
N
1
SPK
SUB MIC
IF PMIC
(
Charger
/
FG
/
OTG
)
S
2
MU
106
X
01
-
6030
BATTERY
3020
mAh
SENSOR
AMBIENT
TCS
3701
PROXY
STK
3031
ACC
+
GRYO
LSM
6
DSL
FLIP Cover Detect
ET
3712
A
30
MAGNETIC
YAS
539
SENSOR
_
SDA
_
1
P
8
SENSOR
_
SCL
_
1
P
8
26
MHz T
CXO
KT
2016
K
26000
ACW
18
TAS
PMIC
_
TCXO
_
26
M
PMIC
_
CLK
_
32
K
CAM FLASH
GRIP
TC
305
K
GRIP
_
SENSOR
MAIN ANT
(
LB
,
MB
)
VOLUME UP
OVP
KTS
1682
NFC
S
3
NRN
82
NFC
_
SWP
SPK
_
AMP
_
I
2
C
_
SDA
_
1
P
8
SPK
_
AMP
_
I
2
C
_
SCL
_
1
P
8
SPK
_
I
2
S
3
_
WS
,
BLCK
,
DO
SPK
_
I
2
S
3
_
DI
USB
_
AP
_
D
_
P
/
N
,
AP
_
UART
_
RXD
/
TXD
TYPE
_
C
_
INT
,
IF
_
PMIC
_
INT
,
IF
_
PMIC
_
ACOK
IF
_
PMIC
,
FG
_
SDA
_
1
P
8
IF
_
PMIC
,
FG
_
SCL
_
1
P
8
CAM
_
FLASH
_
EN
,
SET
MOTOR
_
EN
MST
_
DATA
_
A
/
B
32
.
768
kHz
OSC
SPEEDY
_
PMIC
OCP
_
CPUCL
0
CP
_
PWR
_
UP
PMIC
_
WRSTBI
SOC
_
PSHOLD
PMIC
_
WRSTBI
PMIC
_
AP
32
K
PMIC
_
ONOB
EMMC
_
D
0
~
D
7
EMMC
_
CLK
,
CMD
,
RST
_
N
EMMC
5
.
0
_
RCLK
SIM
1
_
DATA
SIM
2
_
RST
,
CLK
SIM
2
_
DATA
T
_
FLASH
_
D
0
~
D
3
T
_
FLASH
_
CMD
,
CLK
SIM
1
SIM
2
SD CARD
MIPI
_
DSI
0
_
D
0
~
D
3
,
CLK
_
N
/
P
PROXY
_
INT
SENSOR
_
SDA
_
1
P
8
SENSOR
_
SCL
_
1
P
8
COVER
_
INT
6
AXIS
_
INT
GRYO
_
INT
6
AXIS
_
SCL
_
1
P
8
6
AXIS
_
SDA
_
1
P
8
GRIP
_
INT
GRIP
_
SCL
_
1
P
8
GRIP
_
SDA
_
1
P
8
FRONT
_
25
M CAMERA
RCAM
1
_
MIPI
_
D
0
~
3
,
CLK
_
N
/
P
RCAM
1
_
SENSOR
_
I
2
C
_
SCL
/
SDA
_
1
P
8
CAM
_
EEP
_
I
2
C
_
SCL
/
SDA
_
1
P
8
RCAM
1
_
RST
_
N
,
RCAM
1
_
MCLK
RCAM
2
_
MIPI
_
D
0
~
1
,
CLK
_
N
/
P
RCAM
2
_
SENSOR
_
I
2
C
_
SCL
/
SDA
_
1
P
8
CAM
_
EEP
_
I
2
C
_
SCL
/
SDA
_
1
P
8
RCAM
2
_
RST
_
N
,
RCAM
2
_
MCLK
FCAM
_
SENSOR
_
I
2
C
_
SCL
/
SDA
_
1
P
8
CAM
_
EEP
_
I
2
C
_
SCL
/
SDA
_
1
P
8
FCAM
_
RST
_
N
,
FCAM
_
MCLK
FCAM
_
MIPI
_
D
0
~
D
3
,
CLK
_
N
/
P
FINGER PRINT
GW
36
H
3
BTP
_
IRQ
BTP
_
RST
_
N
BTP
_
SPI
_
MISO
,
MOSI
,
CLK
,
CS
_
N
OLED
_
RST
_
N
EL
_
ON
1
,
ON
2
,
FG
_
ERR
TSP
_
INT
TSP
_
I
2
C
_
SCL
TSP
_
I
2
C
_
SDA
BT
/
WLAN
VOLUME DOWN
SM
-
A
405
FN Block Diagram
Transceiver
S
5
M
925
DA
02
-
L
030
HB PA
WIPS
33232
-
01
Main ANT
LB
/
MB
Femid
D
5328
PRX
B
4
_
66
PRX
G
1900
_
B
2
PRX
G
1800
_
B
3
PRX
B
12
_
B
17
PRX
EG
SM
_
B
8
MMMB
PA
SKY
77656
-
11
TX
_
B
1
TX
_
B
2
TX
_
B
3
PRX
_
AN
T
_
MB
TX
_
B
5
_
26
TX
_
B
8
TX
_
B
12
_
17
TX
_
B
20
TX
_
GSML
B
TX
_
GSMH
B
TX
_
B
1
_
2
_
3
_
4
_
66
TX
_
GSML
B
Fi
lter
SFDG
93
AQ
902
Fi
lter
B
8347
Duplex
SAYE
Y
2
G
5
3
BD
0
F
3
K
TRX B
38
_
41
TRX B
40
TRX B
7
TRX B
38
_
41
TRX B
40
PRX
B
38
_
41
TX
_
B
7
PRX
B
7
LNA
MXD
8921
HS
Filter
SFHG
56
BA
002
PRX
B
7
PRX
B
7
TX
B
7
_
38
_
40
_
41
DIV Module
SKY
13745
-
21
Fi
lter
SF
WG
6
2
DBB
0
2
Fi
lter
SF
DG
9
3
AQ
9
0
2
Fi
lter
SF
HG
5
2
AA
0
0
2
Fi
lter
SFH
780
AQ
102
APT
S
2
ABA
01
X
01
-
6030
VRF
_
PA
_
PAT
VRF
_
PA
_
PAT
PRX
B
1
PRX
B
20
PRX
G
850
_
B
5
_
B
26
Duplex
B
1221
TX
_
B
5
_
8
_
12
_
17
_
20
_
26
_
28
TX
_
GSMH
B
TX
_
B
4
_
66
TRX B
4
_
66
PRX
B
40
DRX
_
TR
_
IN
_
B
2
_
3
DRX
_
TR
_
IN
_
B
1
_
4
_
66
DRX
_
TR
_
IN
_
HB
DRX
_
TR
_
IN
_
LB
DRX
_
B
2
_
66
DRX
_
B
38
_
41
DRX
_
B
40
DRX
_
B
28
PRX
_
AN
T
_
LB
Di
plexer
DPX
202700
DT
-
4162
A
1
SP
4
T
MXD
8642
Di
plexer
DPX
252690
DT
-
5325
A
1
K
RTS Feedback
MXD
8621
CPL
_
FWD
/
REV
SUB ANT
LB
/
MB
/
HB
Main ANT
HB
PDET
_
IN
GPS ANT
Filter
SAFFB
1
G
56
KE
0
F
3
K
LNA
MXDLN
16
U
Filter
SAFFB
1
G
56
KE
0
F
3
K
GPS
_
AN
T
BT
/
WIFI ANT
TCXO
KT
2016
K
26000
ACW
18
TAS
BT
/
WIFI
/
FM
S
5
N
5
C
20
X
00
-
6030
WLAN
_
2
.
4
G
FM ANT
(
EARJACK
)
NFC
S
3
NRN
82
NFC ANT
NFC
_
SDA
/
SCL
NFC
_
IRQ
/
NFC
_
CLK
_
REQ
NFC
_
CLK
_
26
M
/
NFC
_
EN
AP
+
CP
EXYNOS
7904
(
Lassen
-
O
)
PRX I
/
Q
(
0
,
1
)
RFIC
_
SPEEDY
TX I
/
Q
WLAN SPDY
/
BT SPDY
WLBT
_
TCXO
_
26
M
(
From OSC
2000
)
WLAN RX I
,
Q
/
TX I
,
Q
FM SPDY
DPX
DPX
105950
DT
-
6016
A
1
WLAN
_
2
.
4
G
WLAN
_
5
G
SPDT
MXD
8621
E
5
G
_
TX
5
G
_
RX
FM
_
AN
T
LNA
MXDLN
10
T
DRX
_
AN
T
_
MB
DRX
_
AN
T
_
LB
Multi Coupler
LDJ
18829
M
28
DG
014
Di
plexer
DPX
202700
DT
-
4062
A
1
Multi Coupler
LDJ
18829
M
28
DG
014
GPS I
/
Q
GNSS
_
SPEEDY
DRX
_
AN
T
_
HB
Filter
SFDG
45
EA
402
ANT6000
ANT6001
ANT6002
ANT6003
C2070
C3055
C3057
C3059
C3060
C3062
C3063
C3071
C3079
C3080
C3081
C4000
C4004
C4005
C4015
C4016
C4018
C4019
C4028
C4031
C4032
C4035
C4073
C4074
C4075
C4076
C4077
C4078
C4079
C4080
C4081
C4082
C4101
C4102
C5002
C5017
C5018
C5019
C5020
C5021
C5022
C5023
C5024
C5026
C5029
C5031
C5032
C5033
C5034
C5045
C5057
C5066
C5067
C5069
C5072
C5077
C5083
C5088
C5092
C5113
C5120
C5121
C5127
C5135
C5153
C5166
C5167
C5168
C5169
C5172
C5173
C5174
C5175
C5176
C5177
C5178
C5179
C5182
C5183
C5184
C5185
C5186
C5188
C5193
C5194
C6001
C6002
C6003
C6006
C6007
C6008
C6010
C6011
C6012
C6013
C6014
C6015
C6018
C6027
C6028
C6029
C6030
C6041
C6042
C7000
C7001
C7002
C7003
C7004
C7005
C7008
C7009
C7010
C7011
C7013
C7014
C7016
C7020
C7021
C7023
C7024
C7025
C7026
C7028
C7029
C7034
C7061
C7077
C7078
C7079
C7088
C7089
C7133
C7144
C7145
C7166
CN4000
CON6000
CON6002
D5000
D6001
D7000
GNSS_SPEEDY
HDC3000
HDC7000
HDC7003
JTAG4000
JTAG4001
JTAG4002
L2037
L3021
L3022
L5010
L5012
L6000
L6001
L6012
L6013
L7000
L7001
OSC2000
Q5000
R3006
R3007
R3010
R4000
R4001
R4002
R4003
R4004
R4005
R4006
R4008
R4010
R4011
R4012
R4013
R4014
R4015
R4016
R4017
R4018
R4019
R4020
R4021
R4022
R4023
R4024
R4025
R4026
R4027
R4028
R4029
R4030
R4031
R4032
R4033
R4034
R4035
R4036
R4041
R4042
R4047
R4048
R4049
R4050
R4051
R4052
R5000
R5001
R5002
R5004
R5006
R5007
R5008
R5010
R5013
R5015
R5017
R5020
R5021
R5022
R5023
R5028
R5031
R6000
R6007
R6010
R6012
R6013
R6015
R6016
R7000
R7001
R7003
R7005
R7007
R7013
R7018
R7020
R7027
R7030
SC6000
SC6003
SC6008
TH4000
TP_AMP_I2C_DI
TP_AMP_I2S_BCLK
TP_AMP_I2S_DO
TP_AMP_I2S_WS
TP_BT_SPDY_FROM_S612
TP_BT_SPDY_TO_S612
TP_DISP_TE
TP_EMMC4000
TP_FM_SPDY_TO_S612
TP_GYRO_INT
TP_SPEEDY_PMIC
TP_UB1
TP_UB2
TP_WLAN_SPDY_FROM_S612
TP_WLAN_SPDY_TO_S612
TP_XCP_RF_ON4000
TP_XGNSS_GPLL_ANA_EXT
TP_XRTC_XTO
TP3001
TP3002
TP4009
TP5000
TP5001
TP5002
TP5003
TP5004
TP5005
TP5008
TP5009
TP5010
TP5012
TP5014
TP5015
TP5017
TP5018
U3002
U3007
U3013
U3014
U3015
U5001
U6000
U7000
U7003
U7006
UCP400
UME5000
VR5000
ZD5000
ZD5001
ZD5004
ZD5005
ZD5007
ZD5008
ZD5009
ZD6000
ZD6001
ZD6003
ZD6005
ZD6006
ZD6007
ZD6008
ZD6009
ZD6010
ZD6011
ZD6012
ZD6018
ZD6020
ZD6021
ZD7004
ZD7005
ZD7006
ZD7012
VX_Setup(2018-09-03)_HHP
Created date of PCB data : 2019
/2/22 18:29:18
Model : SM-A405FN
Revision : REV03
Manufacture Count : 500
C
h
a
r
g
e
:
최
진
욱
Contact : 01032535114
Date : 19.02.22
Routing : O
Resin : O
SM-A405FN
ANT1000
ANT2000
ANT2001
ANT2002
ANT3001
ANT3002
ANT3003
ANT3004
ANT5000
ANT5001
ANT5002
ANT5003
ANT5004
ANT5006
ANT5007
BH6002
C1000
C1001
C1002
C1003
C1004
C1005
C1006
C1007
C1008
C1009
C1010
C1011
C1012
C1014
C1015
C1016
C1020
C1021
C1022
C1023
C1024
C1025
C1026
C1027
C1028
C1029
C1030
C1031
C1032
C1033
C1034
C1036
C1037
C1038
C1041
C1042
C1045
C1046
C1048
C1049
C1050
C1051
C1052
C1053
C1054
C1055
C1056
C1058
C1059
C1060
C1061
C1062
C1063
C1064
C1065
C1066
C1067
C1068
C1069
C1070
C1071
C1072
C1073
C1074
C1075
C1076
C1077
C1078
C1079
C1080
C1081
C1082
C1083
C1084
C1085
C1086
C1087
C1088
C1089
C1090
C1091
C1092
C1093
C1094
C1095
C1096
C1097
C1098
C1099
C1100
C1102
C1103
C1104
C1105
C1106
C1108
C1109
C1110
C1111
C1112
C1113
C1114
C1115
C1116
C1117
C1118
C1119
C1120
C1121
C1122
C1123
C1124
C1125
C1126
C1127
C1128
C1129
C1130
C1131
C1132
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
C2025
C2026
C2027
C2028
C2029
C2030
C2032
C2033
C2034
C2036
C2037
C2038
C2039
C2040
C2041
C2044
C2046
C2047
C2048
C2049
C2050
C2051
C2052
C2055
C2061
C2062
C2063
C2064
C2065
C2066
C2068
C2069
C2071
C2072
C2073
C2074
C2075
C2076
C2077
C2078
C3000
C3001
C3002
C3003
C3004
C3005
C3006
C3007
C3008
C3009
C3010
C3011
C3012
C3013
C3014
C3015
C3016
C3017
C3018
C3019
C3020
C3021
C3023
C3025
C3030
C3031
C3032
C3033
C3040
C3042
C3043
C3044
C3045
C3046
C3047
C3048
C3049
C3050
C3051
C3054
C3058
C3061
C3064
C3065
C3066
C3067
C3076
C3077
C3078
C3082
C3083
C3084
C3085
C3086
C3088
C3089
C3101
C3143
C3147
C3148
C3149
C3150
C3151
C3153
C3158
C3164
C3165
C3166
C3169
C3171
C3174
C3176
C3177
C3178
C4001
C4002
C4003
C4006
C4007
C4008
C4009
C4010
C4011
C4012
C4013
C4014
C4017
C4020
C4021
C4022
C4023
C4024
C4025
C4026
C4027
C4029
C4030
C4033
C4034
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
C4065
C4066
C4067
C4068
C4069
C4070
C4071
C4072
C4083
C4084
C4085
C4086
C4087
C4088
C4089
C4090
C4091
C4092
C4093
C4094
C4095
C4096
C4097
C4098
C4099
C4100
C5000
C5001
C5003
C5004
C5005
C5006
C5007
C5008
C5009
C5010
C5011
C5012
C5013
C5014
C5015
C5016
C5025
C5027
C5030
C5035
C5036
C5037
C5038
C5039
C5040
C5041
C5043
C5047
C5048
C5050
C5052
C5054
C5055
C5056
C5059
C5060
C5063
C5065
C5070
C5071
C5073
C5074
C5075
C5076
C5081
C5084
C5085
C5093
C5094
C5095
C5096
C5097
C5099
C5100
C5101
C5102
C5104
C5107
C5108
C5109
C5110
C5114
C5115
C5116
C5117
C5118
C5119
C5122
C5123
C5124
C5180
C5187
C5189
C5191
C6000
C6004
C6005
C6009
C6016
C6017
C6019
C6020
C6021
C6022
C6023
C6024
C6025
C6026
C7006
C7007
C7012
C7015
C7017
C7018
C7022
C7027
C7030
C7031
C7032
C7033
C7035
C7036
C7037
C7038
C7039
C7040
C7041
C7059
C7068
C7069
C7071
C7072
C7073
C7075
C7076
C7082
C7083
C7084
C7085
C7086
C7147
C7151
C7153
C7158
C7159
C7160
C7161
C7162
C7163
C7164
C7165
C7178
CON1000
CON6001
F1000
F1001
F1002
F1003
F1004
F1005
F1006
F1007
F1008
F1009
F1010
F1011
F2000
F2001
F2002
F2003
F2004
F2005
F3000
F3001
F3002
F3003
GA7001
HDC5000
HDC7002
HEA5000
L1000
L1001
L1002
L1003
L1004
L1005
L1006
L1007
L1008
L1009
L1010
L1011
L1012
L1013
L1014
L1015
L1016
L1017
L1018
L1019
L1020
L1021
L1022
L1023
L1024
L1025
L1026
L1027
L1028
L1029
L1030
L1031
L1032
L1033
L1034
L1035
L1036
L1037
L1038
L1039
L1040
L1041
L1042
L1043
L1044
L1045
L1046
L1047
L1048
L1049
L1050
L1051
L1052
L1053
L1054
L1055
L1056
L1057
L1058
L1059
L1060
L1061
L1062
L1063
L1064
L1065
L1066
L1067
L1068
L1069
L1070
L1071
L1072
L1073
L1074
L1075
L1076
L1077
L1078
L1079
L1080
L1081
L1082
L2000
L2001
L2002
L2003
L2004
L2005
L2006
L2007
L2008
L2009
L2010
L2011
L2012
L2013
L2014
L2015
L2016
L2017
L2018
L2019
L2020
L2021
L2022
L2023
L2024
L2025
L2026
L2027
L2028
L2029
L2030
L2031
L2032
L2033
L2034
L2035
L2036
L3000
L3001
L3002
L3003
L3004
L3005
L3006
L3007
L3008
L3009
L3010
L3011
L3012
L3013
L3014
L3015
L3016
L3017
L3019
L3020
L3143
L3144
L5000
L5001
L5003
L5004
L5005
L5006
L5007
L5008
L5009
L5013
L5014
L5015
L6003
L6004
L6005
L6006
L6007
L6008
L6009
L6010
L6011
L7003
L7004
L7005
L7006
L7007
L7008
L7009
L7010
L7012
LED5001
MIC6000
OSC5000
PAM1000
R1000
R1001
R1002
R1003
R1004
R1005
R1006
R1007
R1008
R2000
R2001
R2002
R2003
R2004
R2005
R3000
R3001
R3011
R3012
R3130
R3131
R4007
R4009
R5003
R5014
R5016
R5019
R5053
R6004
R6005
R6006
R6019
R6022
R6024
R6026
R6027
R6028
R6030
R6031
R6032
R7002
R7004
R7008
R7010
R7011
R7012
R7016
R7017
R7019
R7021
RFS1000
SC6001
SC6002
SOC7000
TH1000
TP_3000
TP_COVER_INT
TP_HB_SW_SEL1000
TP_HB_SW_SEL1001
TP_NFC_1P8_EN
TP_NFC_CLK_REQ
TP_NFC_FIRM
TP_NFC_IRQ
TP_PMIC_AP4000
TP_RFFE1000
TP_RFFE1001
TP_RFFE1002
TP_RFFE1003
TP_RFFE2000
TP_RFFE2001
TP3000
TP3100
TP3101
TP4003
TP5006
TP5007
TP5011
TP5013
TP5016
U1000
U1001
U1002
U1003
U1004
U1005
U1006
U1007
U1008
U1009
U1010
U1011
U2000
U2001
U2003
U2004
U2005
U2007
U2008
U2009
U3001
U3003
U3004
U3005
U3008
U3009
U3012
U3017
U3018
U4001
U5002
U5003
U7001
U7004
U7005
U7011
V7000
V7003
ZD1000
ZD5002
ZD5003
ZD5006
ZD5010
ZD6002
ZD6004
ZD6022
ZD7000
ZD7001
ZD7003
ZD7008
ZD7009
ZD7013
ZD7014
ZD7015
ZD7016
VX_Setup(2018-09-03)_HHP
Created date of PCB data : 2019
/2/22 18:29:18
Model : SM-A405FN
Revision : REV03
Manufacture Count : 500
C
h
a
r
g
e
:
최
진
욱
Contact : 01032535114
Date : 19.02.22
Routing : O
Resin : O
SM-A405FN
DISPLAY
SM-A405F
N
Block Diagram
POWER
AUDIO
CAMERA
AP
Lassen O
+
S
5
E
7
904
X
F
0
-
LA
30
POWER KEY
Confidential
5
.
9
"
FHD
AMS
561
RA
01
1
.
8
GHz
2
CA
PMIC
S
2
MPU
08
X
01
-
6030
3
IN
3
SOCKET
SIM
1
_
RST
,
CLK
DC MOTOR
USB Type
-
C
USB
_
D
_
P
/
N
,
USB
_
ID
MAIN MIC
EAR
_
SPK
RCV
EAR MIC
Audio
CODEC
REAR
_
16
M CAMERA
REAR
_
5
M CAMERA
OCTA DCDC
S
2
DOS
04
4
GB LP
4
+
64
GB
KLMCG
2
UCTA
-
B
041
Audio AMP
TFA
9896
BUK
/
N
1
SPK
SUB MIC
IF PMIC
(
Charger
/
FG
/
OTG
)
S
2
MU
106
X
01
-
6030
BATTERY
3020
mAh
SENSOR
AMBIENT
TCS
3701
PROXY
STK
3031
ACC
+
GRYO
LSM
6
DSL
FLIP Cover Detect
ET
3712
A
30
MAGNETIC
YAS
539
SENSOR
_
SDA
_
1
P
8
SENSOR
_
SCL
_
1
P
8
26
MHz T
CXO
KT
2016
K
26000
ACW
18
TAS
PMIC
_
TCXO
_
26
M
PMIC
_
CLK
_
32
K
CAM FLASH
GRIP
TC
305
K
GRIP
_
SENSOR
MAIN ANT
(
LB
,
MB
)
VOLUME UP
OVP
KTS
1682
NFC
S
3
NRN
82
NFC
_
SWP
SPK
_
AMP
_
I
2
C
_
SDA
_
1
P
8
SPK
_
AMP
_
I
2
C
_
SCL
_
1
P
8
SPK
_
I
2
S
3
_
WS
,
BLCK
,
DO
SPK
_
I
2
S
3
_
DI
USB
_
AP
_
D
_
P
/
N
,
AP
_
UART
_
RXD
/
TXD
TYPE
_
C
_
INT
,
IF
_
PMIC
_
INT
,
IF
_
PMIC
_
ACOK
IF
_
PMIC
,
FG
_
SDA
_
1
P
8
IF
_
PMIC
,
FG
_
SCL
_
1
P
8
CAM
_
FLASH
_
EN
,
SET
MOTOR
_
EN
MST
_
DATA
_
A
/
B
32
.
768
kHz
OSC
SPEEDY
_
PMIC
OCP
_
CPUCL
0
CP
_
PWR
_
UP
PMIC
_
WRSTBI
SOC
_
PSHOLD
PMIC
_
WRSTBI
PMIC
_
AP
32
K
PMIC
_
ONOB
EMMC
_
D
0
~
D
7
EMMC
_
CLK
,
CMD
,
RST
_
N
EMMC
5
.
0
_
RCLK
SIM
1
_
DATA
SIM
2
_
RST
,
CLK
SIM
2
_
DATA
T
_
FLASH
_
D
0
~
D
3
T
_
FLASH
_
CMD
,
CLK
SIM
1
SIM
2
SD CARD
MIPI
_
DSI
0
_
D
0
~
D
3
,
CLK
_
N
/
P
PROXY
_
INT
SENSOR
_
SDA
_
1
P
8
SENSOR
_
SCL
_
1
P
8
COVER
_
INT
6
AXIS
_
INT
GRYO
_
INT
6
AXIS
_
SCL
_
1
P
8
6
AXIS
_
SDA
_
1
P
8
GRIP
_
INT
GRIP
_
SCL
_
1
P
8
GRIP
_
SDA
_
1
P
8
FRONT
_
25
M CAMERA
RCAM
1
_
MIPI
_
D
0
~
3
,
CLK
_
N
/
P
RCAM
1
_
SENSOR
_
I
2
C
_
SCL
/
SDA
_
1
P
8
CAM
_
EEP
_
I
2
C
_
SCL
/
SDA
_
1
P
8
RCAM
1
_
RST
_
N
,
RCAM
1
_
MCLK
RCAM
2
_
MIPI
_
D
0
~
1
,
CLK
_
N
/
P
RCAM
2
_
SENSOR
_
I
2
C
_
SCL
/
SDA
_
1
P
8
CAM
_
EEP
_
I
2
C
_
SCL
/
SDA
_
1
P
8
RCAM
2
_
RST
_
N
,
RCAM
2
_
MCLK
FCAM
_
SENSOR
_
I
2
C
_
SCL
/
SDA
_
1
P
8
CAM
_
EEP
_
I
2
C
_
SCL
/
SDA
_
1
P
8
FCAM
_
RST
_
N
,
FCAM
_
MCLK
FCAM
_
MIPI
_
D
0
~
D
3
,
CLK
_
N
/
P
FINGER PRINT
GW
36
H
3
BTP
_
IRQ
BTP
_
RST
_
N
BTP
_
SPI
_
MISO
,
MOSI
,
CLK
,
CS
_
N
OLED
_
RST
_
N
EL
_
ON
1
,
ON
2
,
FG
_
ERR
TSP
_
INT
TSP
_
I
2
C
_
SCL
TSP
_
I
2
C
_
SDA
BT
/
WLAN
VOLUME DOWN
SM
-
A
405
FM Block Diagram
Transceiver
S
5
M
925
DA
02
-
L
030
HB PA
WIPS
33232
-
01
Main ANT
LB
/
MB
Femid
D
5328
PRX
B
4
_
66
PRX
G
1900
_
B
2
PRX
G
1800
_
B
3
PRX
B
12
_
B
17
PRX
EG
SM
_
B
8
MMMB
PA
SKY
77656
-
11
TX
_
B
1
TX
_
B
2
TX
_
B
3
PRX
_
AN
T
_
MB
TX
_
B
5
_
26
TX
_
B
8
TX
_
B
12
_
17
TX
_
B
20
TX
_
GSML
B
TX
_
GSMH
B
TX
_
B
1
_
2
_
3
_
4
_
66
TX
_
GSML
B
Fi
lter
SFDG
93
AQ
902
Fi
lter
B
8347
Duplex
SAYE
Y
2
G
53
BD
0
F
3
K
TRX B
38
_
41
TRX B
40
TRX B
7
TRX B
38
_
41
TRX B
40
PRX
B
38
_
41
TX
_
B
7
PRX
B
7
LNA
MXD
8921
HS
Fi
lter
SFHG
56
BA
002
PRX
B
7
PRX
B
7
TX
B
7
_
38
_
40
_
41
DIV Module
SKY
13745
-
21
Fi
lter
SF
WG
6
2
DBB
0
2
Fi
lter
SF
DG
9
3
AQ
9
0
2
Fi
lter
SF
HG
5
2
AA
0
0
2
Fi
lter
SFH
780
AQ
102
APT
S
2
ABA
01
X
01
-
6030
VRF
_
PA
_
PAT
VRF
_
PA
_
PAT
PRX
B
1
PRX
B
20
PRX
G
850
_
B
5
_
B
26
Duplex
B
1221
TX
_
B
5
_
8
_
12
_
17
_
20
_
26
_
28
TX
_
GSMH
B
TX
_
B
4
_
66
TRX B
4
_
66
PRX
B
40
DRX
_
TR
_
IN
_
B
2
_
3
DRX
_
TR
_
IN
_
B
1
_
4
_
66
DRX
_
TR
_
IN
_
HB
DRX
_
TR
_
IN
_
LB
DRX
_
B
2
_
66
DRX
_
B
38
_
41
DRX
_
B
40
DRX
_
B
28
PRX
_
AN
T
_
LB
Diplexer
DPX
202700
DT
-
4162
A
1
SP
4
T
MXD
8642
Diplexer
DPX
252690
DT
-
5325
A
1
K
RTS Feedback
MXD
8621
CPL
_
FWD
/
REV
SUB ANT
LB
/
MB
/
HB
Main ANT
HB
PDET
_
IN
GPS ANT
Filter
SAFFB
1
G
56
KE
0
F
3
K
LNA
MXDLN
16
U
Filter
SAFFB
1
G
56
KE
0
F
3
K
GPS
_
AN
T
BT
/
WIFI ANT
TCXO
KT
2016
K
26000
ACW
18
TAS
BT
/
WIFI
/
FM
S
5
N
5
C
20
X
00
-
6030
WLAN
_
2
.
4
G
FM ANT
(
EARJACK
)
NFC
S
3
NRN
82
NFC ANT
NFC
_
SDA
/
SCL
NFC
_
IRQ
/
NFC
_
CLK
_
REQ
NFC
_
CLK
_
26
M
/
NFC
_
EN
AP
+
CP
EXYNOS
7904
(
Lassen
-
O
)
PRX I
/
Q
(
0
,
1
)
RFIC
_
SPEEDY
TX I
/
Q
WLAN SPDY
/
BT SPDY
WLBT
_
TCXO
_
26
M
(
From OSC
2000
)
WLAN RX I
,
Q
/
TX I
,
Q
FM SPDY
DPX
DPX
105950
DT
-
6016
A
1
WLAN
_
2
.
4
G
WLAN
_
5
G
SPDT
MXD
8621
E
5
G
_
TX
5
G
_
RX
FM
_
AN
T
LNA
MXDLN
10
T
DRX
_
AN
T
_
MB
DRX
_
AN
T
_
LB
Multi Coupler
LDJ
18829
M
28
DG
014
Di
plexer
DPX
202700
DT
-
4062
A
1
Multi Coupler
LDJ
18829
M
28
DG
014
GPS I
/
Q
GNSS
_
SPEEDY
DRX
_
AN
T
_
HB
Filter
SFDG
45
EA
402
IF PMIC
S
2
MU
106
X
01
-
6030
MST ANT
MST
_
DATA
_
A
,
B
ANT6000
ANT6001
ANT6002
ANT6003
C2070
C3055
C3057
C3059
C3060
C3062
C3063
C3071
C3079
C3080
C3081
C4000
C4004
C4005
C4015
C4016
C4018
C4019
C4028
C4031
C4032
C4035
C4073
C4074
C4075
C4076
C4077
C4078
C4079
C4080
C4081
C4082
C4101
C4102
C5002
C5017
C5018
C5019
C5020
C5021
C5022
C5023
C5024
C5026
C5029
C5031
C5032
C5033
C5034
C5045
C5057
C5066
C5067
C5069
C5072
C5077
C5083
C5088
C5092
C5113
C5120
C5121
C5127
C5135
C5153
C5166
C5167
C5168
C5169
C5172
C5173
C5174
C5175
C5176
C5177
C5178
C5179
C5182
C5183
C5184
C5185
C5186
C5188
C5193
C5194
C6001
C6002
C6003
C6006
C6007
C6008
C6010
C6011
C6012
C6013
C6014
C6015
C6018
C6027
C6028
C6029
C6030
C6041
C6042
C7000
C7001
C7002
C7003
C7004
C7005
C7008
C7009
C7010
C7011
C7013
C7014
C7016
C7020
C7021
C7023
C7024
C7025
C7026
C7028
C7029
C7034
C7061
C7077
C7078
C7079
C7088
C7089
C7133
C7144
C7145
C7166
CN4000
CON6000
CON6002
D5000
D6001
D7000
GNSS_SPEEDY
HDC3000
HDC7000
HDC7003
JTAG4000
JTAG4001
JTAG4002
L2037
L3021
L3022
L5010
L5012
L6000
L6001
L6012
L6013
L7000
L7001
OSC2000
Q5000
R3006
R3007
R3010
R4000
R4001
R4002
R4003
R4004
R4005
R4006
R4008
R4010
R4011
R4012
R4013
R4014
R4015
R4016
R4017
R4018
R4019
R4020
R4021
R4022
R4023
R4024
R4025
R4026
R4027
R4028
R4029
R4030
R4031
R4032
R4033
R4034
R4035
R4036
R4041
R4042
R4047
R4048
R4049
R4050
R4051
R4052
R5000
R5001
R5002
R5004
R5006
R5007
R5008
R5010
R5013
R5015
R5017
R5020
R5021
R5022
R5023
R5028
R5031
R6000
R6007
R6010
R6012
R6013
R6015
R6016
R7000
R7001
R7003
R7005
R7007
R7013
R7018
R7020
R7027
R7030
SC6000
SC6003
SC6008
TH4000
TP_AMP_I2C_DI
TP_AMP_I2S_BCLK
TP_AMP_I2S_DO
TP_AMP_I2S_WS
TP_BT_SPDY_FROM_S612
TP_BT_SPDY_TO_S612
TP_DISP_TE
TP_EMMC4000
TP_FM_SPDY_TO_S612
TP_GYRO_INT
TP_SPEEDY_PMIC
TP_UB1
TP_UB2
TP_WLAN_SPDY_FROM_S612
TP_WLAN_SPDY_TO_S612
TP_XCP_RF_ON4000
TP_XGNSS_GPLL_ANA_EXT
TP_XRTC_XTO
TP3001
TP3002
TP4009
TP5000
TP5001
TP5002
TP5003
TP5004
TP5005
TP5008
TP5009
TP5010
TP5012
TP5014
TP5015
TP5017
TP5018
U3002
U3007
U3013
U3014
U3015
U5001
U6000
U7000
U7003
U7006
UCP400
UME5000
VR5000
ZD5000
ZD5001
ZD5004
ZD5005
ZD5007
ZD5008
ZD5009
ZD6000
ZD6001
ZD6003
ZD6005
ZD6006
ZD6007
ZD6008
ZD6009
ZD6010
ZD6011
ZD6012
ZD6018
ZD6020
ZD6021
ZD7004
ZD7005
ZD7006
ZD7012
VX_Setup(2018-09-03)_HHP
Created date of PCB data : 2019
/2/27 17:04:50
Model : SM-A405FM
Revision : REV03
Manufacture Count : 200
C
h
a
r
g
e
:
최
진
욱
Contact : 010.3253.5114
Date : 19.03.04
Routing : O
Resin : O
SM-A450FM
ANT1000
ANT2000
ANT2001
ANT2002
ANT3001
ANT3002
ANT3003
ANT3004
ANT5000
ANT5001
ANT5002
ANT5003
ANT5004
ANT5006
ANT5007
BH6002
C1000
C1001
C1002
C1003
C1004
C1005
C1006
C1007
C1008
C1009
C1010
C1011
C1012
C1014
C1015
C1016
C1020
C1021
C1022
C1023
C1024
C1025
C1026
C1027
C1028
C1029
C1030
C1031
C1032
C1033
C1034
C1036
C1037
C1038
C1041
C1042
C1045
C1046
C1048
C1049
C1050
C1051
C1052
C1053
C1054
C1055
C1056
C1058
C1059
C1060
C1061
C1062
C1063
C1064
C1065
C1066
C1067
C1068
C1069
C1070
C1071
C1072
C1073
C1074
C1075
C1076
C1077
C1078
C1079
C1080
C1081
C1082
C1083
C1084
C1085
C1086
C1087
C1088
C1089
C1090
C1091
C1092
C1093
C1094
C1095
C1096
C1097
C1098
C1099
C1100
C1102
C1103
C1104
C1105
C1106
C1108
C1109
C1110
C1111
C1112
C1113
C1114
C1115
C1116
C1117
C1118
C1119
C1120
C1121
C1122
C1123
C1124
C1125
C1126
C1127
C1128
C1129
C1130
C1131
C1132
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
C2025
C2026
C2027
C2028
C2029
C2030
C2032
C2033
C2034
C2036
C2037
C2038
C2039
C2040
C2041
C2044
C2046
C2047
C2048
C2049
C2050
C2051
C2052
C2055
C2061
C2062
C2063
C2064
C2065
C2066
C2068
C2069
C2071
C2072
C2073
C2074
C2075
C2076
C2077
C2078
C3000
C3001
C3002
C3003
C3004
C3005
C3006
C3007
C3008
C3009
C3010
C3011
C3012
C3013
C3014
C3015
C3016
C3017
C3018
C3019
C3020
C3021
C3023
C3025
C3030
C3031
C3032
C3033
C3040
C3042
C3043
C3044
C3045
C3046
C3047
C3048
C3049
C3050
C3051
C3054
C3058
C3061
C3064
C3065
C3066
C3067
C3076
C3077
C3078
C3082
C3083
C3084
C3085
C3086
C3088
C3089
C3101
C3143
C3147
C3148
C3149
C3150
C3151
C3153
C3158
C3164
C3165
C3166
C3169
C3171
C3174
C3176
C3177
C3178
C4001
C4002
C4003
C4006
C4007
C4008
C4009
C4010
C4011
C4012
C4013
C4014
C4017
C4020
C4021
C4022
C4023
C4024
C4025
C4026
C4027
C4029
C4030
C4033
C4034
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
C4065
C4066
C4067
C4068
C4069
C4070
C4071
C4072
C4083
C4084
C4085
C4086
C4087
C4088
C4089
C4090
C4091
C4092
C4093
C4094
C4095
C4096
C4097
C4098
C4099
C4100
C5000
C5001
C5003
C5004
C5005
C5006
C5007
C5008
C5009
C5010
C5011
C5012
C5013
C5014
C5015
C5016
C5025
C5027
C5030
C5035
C5036
C5037
C5038
C5039
C5040
C5041
C5043
C5047
C5048
C5050
C5052
C5054
C5055
C5056
C5059
C5060
C5063
C5065
C5070
C5071
C5073
C5074
C5075
C5076
C5081
C5084
C5085
C5093
C5094
C5095
C5096
C5097
C5099
C5100
C5101
C5102
C5104
C5107
C5108
C5109
C5110
C5114
C5115
C5116
C5117
C5118
C5119
C5122
C5123
C5124
C5180
C5187
C5189
C5191
C6000
C6004
C6005
C6009
C6016
C6017
C6019
C6020
C6021
C6022
C6023
C6024
C6025
C6026
C7006
C7007
C7012
C7015
C7017
C7018
C7022
C7027
C7030
C7031
C7032
C7033
C7035
C7036
C7037
C7038
C7039
C7040
C7041
C7059
C7068
C7069
C7071
C7072
C7073
C7075
C7076
C7082
C7083
C7084
C7085
C7086
C7147
C7151
C7153
C7158
C7159
C7160
C7161
C7162
C7163
C7164
C7165
C7178
CON1000
CON6001
F1000
F1001
F1002
F1003
F1004
F1005
F1006
F1007
F1008
F1009
F1010
F1011
F2000
F2001
F2002
F2003
F2004
F2005
F3000
F3001
F3002
F3003
GA7001
HDC5000
HDC7002
HEA5000
L1000
L1001
L1002
L1003
L1004
L1005
L1006
L1007
L1008
L1009
L1010
L1011
L1012
L1013
L1014
L1015
L1016
L1017
L1018
L1019
L1020
L1021
L1022
L1023
L1024
L1025
L1026
L1027
L1028
L1029
L1030
L1031
L1032
L1033
L1034
L1035
L1036
L1037
L1038
L1039
L1040
L1041
L1042
L1043
L1044
L1045
L1046
L1047
L1048
L1049
L1050
L1051
L1052
L1053
L1054
L1055
L1056
L1057
L1058
L1059
L1060
L1061
L1062
L1063
L1064
L1065
L1066
L1067
L1068
L1069
L1070
L1071
L1072
L1073
L1074
L1075
L1076
L1077
L1078
L1079
L1080
L1081
L1082
L2000
L2001
L2002
L2003
L2004
L2005
L2006
L2007
L2008
L2009
L2010
L2011
L2012
L2013
L2014
L2015
L2016
L2017
L2018
L2019
L2020
L2021
L2022
L2023
L2024
L2025
L2026
L2027
L2028
L2029
L2030
L2031
L2032
L2033
L2034
L2035
L2036
L3000
L3001
L3002
L3003
L3004
L3005
L3006
L3007
L3008
L3009
L3010
L3011
L3012
L3013
L3014
L3015
L3016
L3017
L3019
L3020
L3143
L3144
L5000
L5001
L5003
L5004
L5005
L5006
L5007
L5008
L5009
L5013
L5014
L5015
L6003
L6004
L6005
L6006
L6007
L6008
L6009
L6010
L6011
L7003
L7004
L7005
L7006
L7007
L7008
L7009
L7010
L7012
LED5001
MIC6000
OSC5000
PAM1000
R1000
R1001
R1002
R1003
R1004
R1005
R1006
R1007
R1008
R2000
R2001
R2002
R2003
R2004
R2005
R3000
R3001
R3011
R3012
R3130
R3131
R4007
R4009
R5003
R5014
R5016
R5019
R5053
R6004
R6005
R6006
R6019
R6022
R6024
R6026
R6027
R6028
R6030
R6031
R6032
R7002
R7004
R7008
R7010
R7011
R7012
R7016
R7017
R7019
R7021
RFS1000
SC6001
SC6002
SOC7000
TH1000
TP_3000
TP_COVER_INT
TP_HB_SW_SEL1000
TP_HB_SW_SEL1001
TP_NFC_1P8_EN
TP_NFC_CLK_REQ
TP_NFC_FIRM
TP_NFC_IRQ
TP_PMIC_AP4000
TP_RFFE1000
TP_RFFE1001
TP_RFFE1002
TP_RFFE1003
TP_RFFE2000
TP_RFFE2001
TP3000
TP3100
TP3101
TP4003
TP5006
TP5007
TP5011
TP5013
TP5016
U1000
U1001
U1002
U1003
U1004
U1005
U1006
U1007
U1008
U1009
U1010
U1011
U2000
U2001
U2003
U2004
U2005
U2007
U2008
U2009
U3001
U3003
U3004
U3005
U3008
U3009
U3012
U3017
U3018
U4001
U5002
U5003
U7001
U7004
U7005
U7011
V7000
V7003
ZD1000
ZD5002
ZD5003
ZD5006
ZD5010
ZD6002
ZD6004
ZD6022
ZD7000
ZD7001
ZD7003
ZD7008
ZD7009
ZD7013
ZD7014
ZD7015
ZD7016
VX_Setup(2018-09-03)_HHP
Created date of PCB data : 2019
/2/27 17:04:50
Model : SM-A405FM
Revision : REV03
Manufacture Count : 200
C
h
a
r
g
e
:
최
진
욱
Contact : 010.3253.5114
Date : 19.03.04
Routing : O
Resin : O
SM-A450FM
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.
Mobile phone does not power on.
8. Level 3 Repair
Check the initial operation
Yes
No
Power-on the phone and check
the power-on sound
or motor Vibration.
Sound or Vibration is ok?
No
Yes
No
Check the output voltage of U5002
Check the signal of PWRHOLD
(TP4003) = 1.8V
Check the Clock OSC5000
Is the frequency 19.2MHz?
(C5038, C5039, C5041, C5047, C5052,C5074=
0.8V
C5060=1.1V and C5063=1.3V C5070=2.0V and
other LDO Voltage.)
8-4-1. Power On
If the output voltage is not normal, Change the
U5002.
※
Each voltage level has ±10% margin.
No
Replace the OSC5000
※
Test condition (Oscilloscope setting)
: 20.0us.div (time division)
Replace the Power key FPCB
Yes
No
No
No
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 3.5V?
Check the voltage level at
R5017 while pressing power
key. If the voltage high?
END
Yes
No
Yes
Change the FRONT-LCD ASSY
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
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
END
Yes
No
Abnormal
Change
PBA
Change UCP400
Normal
Abnormal
Check the OSC5000
(Crack, open etc.)
Check the U5002 (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
Check the Voltage
C2036 : 1.8V, C2041 : 1.8V
Check the clock TRCV
Is the frequency 26MHz?
8
-
4
-
3. No Service
No service
Yes
No
Home screen
→
Phone
→
Keypad
→
*#1234#
→
Check
Phone version
→
CP :
A
405
FXXXX or unkown
CP :
A305
FXXXX
Check the connection of RF coaxial cable
Yes
No
Yes
No
END
Replace the UCP400
Replace the U2004
No
No
Replace the U2009
Yes
No
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
Check the SIM1(C6029)
SIM2(C6015) Voltage.
= 3.0V or 1.8V?
SIM RST / CLK/ IO.
(SIM1 : ZD6006, ZD6011, ZD6009)
(SIM2 : ZD6008, ZD6007, ZD6003 )
Is signal ok?
8-4-4. SIM Part
Insert SIM card
Yes
No
No
Replace SIM socket
Is SIM socket ok?
Check the TRAY_DET(R6015)
No
Yes
No
Change to the new SIM card.
If it doesn`t still work SIM card after
changing
the SIM card,
Yes
No
END
No
Check the UCP400 (Crack etc)
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
Check the T-flash Voltage.
(C6000) = 3.0V?
Check the t-flash
CMD /Data/CLK.
(L6012, ZD6018, ZD6005,
ZD6021, ZD6001, L6000)
Is signal ok?
8-4-5. T-Flash Part
Insert T-Flash card
Yes
No
No
Replace SIM
socket
Is SIM socket ok?
Check the TRAY_DET(R6015)
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 U5002
(Crack etc)
Yes
No
END
No
Check the UCP400 (Crack etc)
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
Check the
VBUS_5V_OVP(C5077)=5V or 9V
Battery is Charging?
8
-
4
-
6
.
C
able Charging Part
Insert TA / USB
Yes
Charging Sequence Start
VBUS_5V(C7026) = 5V or 9V
No
Replace SUB PBA
No
Yes
Replace U7000
Replace U5001
No
END
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
Check R4022, R4024
(crack, open, etc.)
Check U3017
(crack, open, etc.)
8-4-7-1. 6AXIS (Accelerator+Gyro) Sensor
6AXIS Sensor does not work
Yes
No
Check the voltage
C3064, 3065 =1.8V
No
Replace U3015 (LDO)
Abnormal
Yes
No
Replace
R4022, R4024
Replace U3017
Abnormal
END
Yes
No
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
Check R3006, R3010
(crack, open, etc.)
Check U3002
(crack, open, etc.)
8-4-7-2. Proximity sensor
Proximity Sensor does not work
Yes
No
Check the voltage
C3063 =1.8V
No
Replace U3015
Abnormal
Yes
No
END
Yes
No
Abnormal
Replace R300
6, R3010
Replace U3002
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
Check R4022, R4024
(crack, open, etc.)
Check U3018
(crack, open, etc.)
8-4-7-3. Magnetic sensor
Magnetic Sensor does not work
Yes
No
Check the voltage
C3058 =1.8V
No
Replace U3015
Abnormal
Yes
No
END
Yes
No
Abnormal
Replace
R4022, R4024
Replace U3018
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
Check R4022, R4024
(crack, open, etc.)
Check U3007
(crack, open, etc.)
8-4-7-4. Ambient sensor(RGB sensor)
Ambient Sensor does not work
Yes
No
Check the voltage
C3071 = 1.8V
No
Replace U3015
Abnormal
Yes
No
END
Yes
No
Abnormal
Replace
R4022, R4024
Replace U3007
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
Check the Voltage
(C5188=3.3V)
Check the FP unit/module
(tearing, crack, etc.)
8
-
4
-
7
-
5
.
Finger Print
sensor
Finger Print Sensor does not work
Yes
No
Check HEA5000
(Is the connector connected
properly?)
No
Reconnect HEA5000
No
Yes
No
END
Yes
No
Abnormal
Replace U500
3
Replace FP unit/module
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
Check
the
M
A
I
N
_MIC_DATA
at L6004?
Check
the
M
A
I
N
_MIC_DATA
at C6016/C6017?
Check
the
M
A
I
N
_MIC_DATA
at L1019?
8-4-8-1. Microphone Part
- Main MIC
Check
main
microphone
function
in
voice
call
Handset
mode
or
voice
recorder
mode
No
Check
the
VDD_Main_MICBIAS_
2P8
(L1018)
= 2.8V
Replace
Sub
PBA
No
Yes
No
Replace Main PBA
No
Yes
No
Replace Main PBA
No
Yes
No
Yes
No
Replace MIC1
000
No
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
Check
the
S
U
B
_
M
I
C
_
P
at
L6007?
Check
the
S
U
B
_
M
I
C
_
P
at
C6021/C6022?
8-4-8-2. Microphone Part
- Sub MIC
Check
main
microphone
function
in
voice
call
Handset
mode
or
voice
recorder
mode
No
Remove the MIC6000
Check
the
VDD_SUB_MICBIAS_
2P8
(L6006)
= 2.8V
Replace
Main PBA
No
Yes
No
Replace Main PBA
No
No
Yes
No
Yes
No
Replace MIC6000
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
8-4-9. Speaker Part
Check
speaker
function.
Play
MP3
with
maximum
volume
level.
Resolder or Replace
ANT
1007
,
ANT
1008
No
Check
S
P
K
module
wh
ere
SPK
's
placed
for
any damage
Yes
No
Yes
No
Replace speaker module
No
Replace
U6000
Check
the
PWM output
at
L
1027
, L
1028
Yes
No
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
-
1
0
. 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
6000,
ANT
60
0
1
No
Yes
No
No
Replace
U5002
Check the signals on
L
600
3
, L
600
9
Yes
No
Replace
Receiver
module
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
Check
VDD_LCD_1P8 = 1.8V (C7082)
VDD_LCD_3P0 = 3.0V (C7083)
8-4-11. Display
LCD is still off after PWR ON
Yes
No
Reconnect the
SOC
7000
No
Check the connection of
SOC7000
Yes
No
No
Resolder or Replace the
U
700
5
Resolder or Replace the
U
700
4
END
Replace the Display module
Check
VDD_LCD_EL
VDD_4P6 = 4
.
5
V (C
70
85
)
VDD_LCD_EL
VSS _
-
4P4 =
-
4.4V
(C70
86
)
VDD_LCD_ELA
VDD_7P3 =7.3V (C70
84
)
Yes
No
Yes
No
No
Resolder or Replace the
U
7011
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
Check the voltage
C7001 = 2.8V
C7003 = 2.8V
C7002 = 1.8V
C7004 = 1.05V
Check the CAM_MCLK is
24Mhz (R7000, C7011)
Check the voltage
C7166 = 2.8V
C7033 = 2.8V
C7063 = 1.8V
C7162 = 1.05V
8
-
4
-
1
2
-
1
. 1
6
M
AF Rear
CAMERA
“
Came
ra” function does not work
Yes
Check the Camera connector on Main
PBA
Reconnect the
HDC7000
No
Yes
END
Yes
Yes
Resolder or Replace U
7001
Resolder or Replace U
7003
No
Replace the PBA
Yes
Replace the camera module
No
Yes
Resolder or Replace C7001,C7003,C7002,C7004
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
C7144 = 1.8V
C7133 = 2.8V
C7145 = 1.2V
Check the CAM_MCLK is
24Mhz (HDC7003 3pin)
Check the voltage
C7033 = 2.8V
C7164 = 1.2V
8
-
4
-
1
2
-
2
.
5
M
FF Rear
CAMERA
“
Came
ra”
function does not work
Yes
Check the Camera connector on Main
PBA
Reconnect the HDC
7003
No
Yes
END
Yes
Yes
Resolder or Replace U
7001
No
Replace
the PBA
Yes
Replace the camera module
No
Yes
Resolder or Replace C7144,C7133,C7145
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
C7007 : 1.05V
C7006 : 1.8V
C7178 : 2.8V
8
-
4
-
1
3
.
25
M
FF Front
CAMERA
Check the CAM_MCLK is
24Mhz (R7001)
Check the voltage
C7161 : 1.05V
C7163 : 1.8V
C7166 : 2.8V
“
Selfie camera
” function does not work
Yes
Check the Camera connector on Main
PBA
Reconnect the H
DC7002
No
Yes
Yes
END
No
Replace the PBA
Yes
Replace the camera module
No
Resolder or Replace
U7001
Yes
Resolder or Replace C7007,C7006,C7178
No
Y
es
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
VDD_LCD_3P0 (C7083) = 3.0V
8
-
4
-
14
.
LCD
Touch Screen does not work
Yes
No
Replace LCD
No
Check
LCD
Connector
Yes
No
No
Resolder or Replace
U
7006
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
-
15
. Motor
Motor does not work
Yes
Resolder ANT
6
002, A
NT6003
No
Check the Clip on PBA
ANT
6
002 and ANT
6003
Yes
Chec
k the voltage C
6041
, C
6042
, D
6
001
on PBA = 3.3V
Resolder or Replace
C
6041, C6042, D6001
END
Yes
Replace Motor
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
Check the Voltage
C3009,C3010 = 3.3V
Check the status of ANT3001
8-4-16. BT/WIFI
C
heck the Status of
F3001,F3000
,
U3003
& peripheral parts
Check the Voltage
R3000,C3023 = 1.8V
BT/WIFI is not working
Yes
No
Enable BT or WIFI function.
No
Check BT or WIFI fuction ON
Yes
No
No
Check the
C3009,C3010
(Crack, open, damaged, etc)
END
Resolder or change U3004
No
Resolder or change
the ANT3001
No
Yes
No
Yes
No
Yes
No
Yes
No
No
Resolder or change the R3000,C3023
Resolder or Replace of
F3001,F3000
,
U3003
& peripheral parts
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. GPS
Check the Antenna contact
ANT3003
Check(crack,open,etc)
U3008, F3002, peripheral parts
Check 26MHz Clock at output
of OSC2000
GPS is not working
Yes
Enable GPS Function in the setting
.
No
Check GPS function ON
Yes
No
END
Resolder or change the wrong element
(open, crack, deviation, etc)
Yes
No
Replace the OSC2000
No
Yes
1. Resolder or Replace the ANT3003
2. Replace REAR
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. NFC
Check the Antenna contact
ANT3002,ANT3004
Check(crack,open,etc)
U3001, C3164, R3130, L3143, C3166
C3176. C3177, C3171, C3165,
L3144, C3169
Check U3005
NFC is not working
Yes
Enable NFC Function in the setting
.
No
Check NFC function ON
Yes
No
END
Resolder or change the wrong element
(open, crack, deviation, etc)
Yes
No
Replace the U3005
No
Yes
1. Resolder or Replace the ANT3002,ANT3004
2. Replace MID REAR
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.
8-4-20. LTE B1, WCDMA B1 Rx
8. Level 3 Repair
Check C10
15
≥
-
65
dBm
?
Check component soldering status OK at
F1001
?
Resolder or change
F1001
Resolder or change
C10
15
NO
Resolder or
change
C1016, L1078, C1024
Check
R
FS1000
≥
-
65
dBm
?
YES
NO
Resolder or change
L1004
Check
L1004
≥
-
65
dBm
?
YES
YES
NO
Receiver is O.K?
Resolder or change
U
2004
NO
Resolder or change
U100
3
Resolder or change
C1002
Check component soldering status OK at
U100
3
?
Check
C1002
≥
-
65
dBm
?
E
ND
Check component soldering status OK at
F1002
?
Resolder or change
F1002
YES
NO
NO
YES
NO
NO
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.
8-4-21. WCDMA B2 / PCS RX, LTEB2
8. Level 3 Repair
Check C10
15
≥
-
65
dBm
?
Check component soldering status OK at
F1001
?
Resolder or change
F1001
Resolder or change
C10
15
NO
Resolder or
change
C1016, L1078, C1024
Check
R
FS1000
≥
-
65
dBm
?
YES
NO
Resolder or change
L1004
Check
L1004
≥
-
65
dBm
?
YES
YES
NO
Receiver is O.K?
Resolder or change
U
2004
NO
Resolder or change
U100
3
Resolder or change
L1006
Check component soldering status OK at
U100
3
?
Check
L1006
≥
-
65
dBm
?
E
ND
Check component soldering status OK at
F1002
?
Resolder or change
F1002
YES
NO
NO
YES
NO
NO
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.
8-4-22. LTE B3 / DCS RX
8. Level 3 Repair
Check C10
15
≥
-
65
dBm
?
Check component soldering status OK at
F1001
?
Resolder or change
F1001
Resolder or change
C10
15
NO
Resolder or
change
C1016, L1078, C1024
Check
R
FS1000
≥
-
65
dBm
?
YES
NO
Resolder or change
L1004
Check
L1004
≥
-
65
dBm
?
YES
YES
NO
Receiver is O.K?
Resolder or change
U
2004
NO
Resolder or change
U100
3
Resolder or change
C1014
Check component soldering status OK at
U100
3
?
Check
C1014
≥
-
65
dBm
?
E
ND
Check component soldering status OK at
F1002
?
Resolder or change
F1002
YES
NO
NO
YES
NO
NO
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.
8-4-24. LTE, WCDMA B5 / GSM850 RX
8. Level 3 Repair
Check C10
15
≥
-
65
dBm
?
Check component soldering status OK at
F1001
?
Resolder or change
F1001
Resolder or change
C10
15
NO
Resolder or
change
C1016, L1078, C1024
Check
R
FS1000
≥
-
65
dBm
?
YES
NO
Resolder or change
L1004
Check
L1004
≥
-
65
dBm
?
YES
YES
NO
Receiver is O.K?
Resolder or change
U
2004
NO
Resolder or change
U100
3
Resolder or change
L1019
Check component soldering status OK at
U100
3
?
Check
L1019
≥
-
65
dBm
?
E
ND
Check component soldering status OK at
F1002
?
Resolder or change
F1002
YES
NO
NO
YES
NO
NO
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.
8-4-25. LTE B8, WCDMA B8 / EGSM RX
8. Level 3 Repair
Check C10
15
≥
-
65
dBm
?
Check component soldering status OK at
F1001
?
Resolder or change
F1001
Resolder or change
C10
15
NO
Resolder or
change
C1016, L1078, C1024
Check
R
FS1000
≥
-
65
dBm
?
YES
NO
Resolder or change
L1004
Check
L1004
≥
-
65
dBm
?
YES
YES
NO
Receiver is O.K?
Resolder or change
U
2004
NO
Resolder or change
U100
3
Resolder or change
L1014
Check component soldering status OK at
U100
3
?
Check
L1014
≥
-
65
dBm
?
E
ND
Check component soldering status OK at
F1002
?
Resolder or change
F1002
YES
NO
NO
YES
NO
NO
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.
8-4-26. LTE B20 RX
8. Level 3 Repair
Check C10
15
≥
-
65
dBm
?
Check component soldering status OK at
F1001
?
Resolder or change
F1001
Resolder or change
C10
15
NO
Resolder or
change
C1016, L1078, C1024
Check
R
FS1000
≥
-
65
dBm
?
YES
NO
Resolder or change
L1004
Check
L1004
≥
-
65
dBm
?
YES
YES
NO
Receiver is O.K?
Resolder or change
U
2004
NO
Resolder or change
U100
3
Resolder
or change
L1017
Check component soldering status OK at
U100
3
?
Check
L1017
≥
-
65
dBm
?
E
ND
Check component soldering status OK at
F1002
?
Resolder or change
F1002
YES
NO
NO
YES
NO
NO
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.
8-4-30. LTE B7 RX
8. Level 3 Repair
Check
CN1000
≥
-
65
dBm
?
Resolder or
change
C1045, L1021
Receiver is O.K?
Resolder or change
U
2
0
04
NO
NO
NO
NO
Resolder or change
U100
5
Resolder or change
L1020
NO
NO
Resolder or chang
F1009
Resolder or change
F1004
Check component soldering status OK at
F1004
?
Check
L1020
≥
-
65
dBm
?
Check component soldering status OK at
U100
5
?
Check
L1067
≥
-
65
dBm
?
YES
YES
YES
YES
YES
YES
E
ND
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.
8-4-31. LTE B38_41 RX
8. Level 3 Repair
NO
Check
CON1000
≥
-
65
dBm
?
Resolder or
change
C1046, L1021
Receiver is O.K?
Resolder or change
U
2
0
02
NO
NO
NO
NO
Resolder or change
U100
5
Resolder or change
L1020
NO
Resolder or change
F1007
Resolder or change
F1004
Check component soldering status OK at
F1004
?
Check
L1020
≥
-
65
dBm
?
Check component soldering status OK at
U100
5
?
Check
L1046
≥
-
65
dBm
?
YES
YES
YES
YES
YES
YES
E
ND
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.
8-4-32. LTE B40 RX
8. Level 3 Repair
NO
Check
CON1000
≥
-
65
dBm
?
Resolder or
change
C1046, L1021
Receiver is O.K?
Resolder or change
U
2
0
02
NO
NO
NO
NO
Resolder or change
U100
5
Resolder or change
L1020
NO
Resolder or change
F1006
Resolder or change
F1004
Check component soldering status OK at
F1004
?
Check
L1020
≥
-
65
dBm
?
Check component soldering status OK at
U100
5
?
Check
L1035
≥
-
65
dBm
?
YES
YES
YES
YES
YES
YES
E
ND
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.
8-4-33. GSM 850 / GSM900 TX
8. Level 3 Repair
Check component soldering status OK at
F1001 ?
Resolder or change
F1001
NO
YES
Check C1015
: About 0dBm ?
Resolder or change
C1015
NO
YES
Check component soldering status OK at
U1003 ?
Resolder or change
U1003
NO
YES
Check RFS1000
: About 32dBm ?
Resolder or change
C1016, L1078, C1024
YES
NO
Check L1028
: About 32dBm ?
Resolder or change
L1028
NO
YES
Check component soldering status OK at
U1008 ?
Resolder or change
U1008
NO
YES
Check C1074
: About 5dBm ?
Resolder or change
C1074, L1033
NO
YES
Check U2004
Resolder or change
U2004
NO
YES
E
ND
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.
8-4-34. GSM1800/ GSM1900 TX
8. Level 3 Repair
Check component soldering status OK at
F1001 ?
Resolder or change
F1001
NO
YES
Check C1015
: About 0dBm ?
Resolder or change
C1015
NO
YES
Check component soldering status OK at
U1003 ?
Resolder or change
U1003
NO
YES
Check RFS1000
: About 32dBm ?
Resolder or change
C1016, L1078, C1024
YES
NO
Check L1024
: About 32dBm ?
Resolder or change
L1024
NO
YES
Check component soldering status OK at
U1008 ?
Resolder or change
U1008
NO
YES
Check C1080
: About 5dBm ?
Resolder or change
C1080, L1082
NO
YES
Check U2004
Resolder or change
U2004
NO
YES
E
ND
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.
8-4-35. LTE, WCDMA B1 TX
8. Level 3 Repair
Check component soldering status OK at
F1001 ?
Resolder or change
F1001
NO
YES
Check C1015
: About 0dBm ?
Resolder or change
C1015
NO
YES
Check component soldering status OK at
U1003 ?
Resolder or change
U1003
NO
YES
Check RFS1000
: About 32dBm ?
Resolder or change
C1016, L1078, C1024
YES
NO
Check L1030
: About 32dBm ?
Resolder or change
L1030
NO
YES
Check component soldering status OK at
U1008 ?
Resolder or change
U1008
NO
YES
Check C1049
: About 5dBm ?
Resolder or change
C1049, L1025
NO
YES
Check U2004
Resolder or change
U2004
NO
YES
E
ND
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.
8-4-36. WCDMA B2 TX
8. Level 3 Repair
Check component soldering status OK at
F1001 ?
Resolder or change
F1001
NO
YES
Check C1015
: About 0dBm ?
Resolder or change
C1015
NO
YES
Check component soldering status OK at
U1003 ?
Resolder or change
U1003
NO
YES
Check RFS1000
: About 32dBm ?
Resolder or change
C1016, L1078, C1024
YES
NO
Check L1037
: About 32dBm ?
Resolder or change
L1037
NO
YES
Check component soldering status OK at
U1008 ?
Resolder or change
U1008
NO
YES
Check C1049
: About 5dBm ?
Resolder or change
C1049, L1025
NO
YES
Check U2004
Resolder or change
U2004
NO
YES
E
ND
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.
8-4-37. LTE B3 TX
8. Level 3 Repair
Check component soldering status OK at
F1001 ?
Resolder or change
F1001
NO
YES
Check C1015
: About 0dBm ?
Resolder or change
C1015
NO
YES
Check component soldering status OK at
U1003 ?
Resolder or change
U1003
NO
YES
Check RFS1000
: About 32dBm ?
Resolder or change
C1016, L1078, C1024
YES
NO
Check L1032
: About 32dBm ?
Resolder or change
L1032
NO
YES
Check component soldering status OK at
U1008 ?
Resolder or change
U1008
NO
YES
Check C1049
: About 5dBm ?
Resolder or change
C1049, L1025
NO
YES
Check U2004
Resolder or change
U2004
NO
YES
E
ND
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.
8-4-38. LTE, WCDMA B5 TX
8. Level 3 Repair
Check component soldering status OK at
F1001 ?
Resolder or change
F1001
NO
YES
Check C1015
: About 0dBm ?
Resolder or change
C1015
NO
YES
Check component soldering status OK at
U1003 ?
Resolder or change
U1003
NO
YES
Check RFS1000
: About 32dBm ?
Resolder or change
C1016, L1078, C1024
YES
NO
Check L1043
: About 32dBm ?
Resolder or change
L1043
NO
YES
Check component soldering status OK at
U1008 ?
Resolder or change
U1008
NO
YES
Check C1052
: About 5dBm ?
Resolder or change
C1052
NO
YES
Check U2004
Resolder or change
U2004
NO
YES
E
ND
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.
8-4-39. LTE, WCDMA B8 TX
8. Level 3 Repair
Check component soldering status OK at
F1001 ?
Resolder or change
F1001
NO
YES
Check C1015
: About 0dBm ?
Resolder or change
C1015
NO
YES
Check component soldering status OK at
U1003 ?
Resolder or change
U1003
NO
YES
Check RFS1000
: About 32dBm ?
Resolder or change
C1016, L1078, C1024
YES
NO
Check L1049
: About 32dBm ?
Resolder or change
L1049
NO
YES
Check component soldering status OK at
U1008 ?
Resolder or change
U1008
NO
YES
Check C1052
: About 5dBm ?
Resolder or change
C1052
NO
YES
Check U2004
Resolder or change
U2004
NO
YES
E
ND
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.
8-4-40. LTE B20 TX
8. Level 3 Repair
Check component soldering status OK at
F1001 ?
Resolder or change
F1001
NO
YES
Check C1015
: About 0dBm ?
Resolder or change
C1015
NO
YES
Check component soldering status OK at
U1003 ?
Resolder or change
U1003
NO
YES
Check RFS1000
: About 32dBm ?
Resolder or change
C1016, L1078, C1024
YES
NO
Check L1068
: About 32dBm ?
Resolder or change
L1068
NO
YES
Check component soldering status OK at
U1008 ?
Resolder or change
U1008
NO
YES
Check C1052
: About 5dBm ?
Resolder or change
C1052
NO
YES
Check U2004
Resolder or change
U2004
NO
YES
E
ND
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.
8-4-41. LTE B7 TX
8. Level 3 Repair
Check component soldering status OK at
F1004 ?
Resolder or change
F1004
NO
YES
Check L1020
: About 23dBm ?
Resolder or change
L1020
NO
YES
Check component soldering status OK at
U1005 ?
Resolder or change
U1005
NO
YES
Check CON1000
: About 23dBm ?
Resolder or change
L1022,C1046,L1023,L1021,C1048
YES
NO
Check L1067
: About 23dBm ?
Resolder or change
L1076,L1069,C1112
NO
YES
Check component soldering status OK at
PAM1000 ?
Resolder or change
PAM1000
NO
YES
Check
C1083
: About 3dBm ?
Resolder or change
C1083,L1038,C1086,C1087
NO
YES
Check U2002
Resolder or change
U2002
NO
YES
E
ND
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.
8-4-42. LTE B38, 41 TX
8. Level 3 Repair
Check component soldering status OK at
F1004 ?
Resolder or change
F1004
NO
YES
Check L1020
: About 23dBm ?
Resolder or change
L1020
NO
YES
Check component soldering status OK at
U1005 ?
Resolder or change
U1005
NO
YES
Check CON1000
: About 23dBm ?
Resolder or change
L1022,C1046,L1023,L1021,C1048
YES
NO
Check L1060
: About 23dBm ?
Resolder or change
C1102,L1062,L1060
NO
YES
Check component soldering status OK at
PAM1000 ?
Resolder or change
PAM1000
NO
YES
Check
C1083
: About 3dBm ?
Resolder or change
C1083,L1038,C1086,C1087
NO
YES
Check U2002
Resolder or change
U2002
NO
YES
E
ND
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.
8-4-43. LTE B40 TX
8. Level 3 Repair
Check component soldering status OK at
F1004 ?
Resolder or change
F1004
NO
YES
Check L1020
: About 23dBm ?
Resolder or change
L1020
NO
YES
Check component soldering status OK at
U1005 ?
Resolder or change
U1005
NO
YES
Check CON1000
: About 23dBm ?
Resolder or change
L1022,C1046,L1023,L1021,C1048
YES
NO
Check L1035
: About 23dBm ?
Resolder or change
L1035,L1041,L1042
NO
YES
Check component soldering status OK at
PAM1000 ?
Resolder or change
PAM1000
NO
YES
Check
C1083
: About 3dBm ?
Resolder or change
C1083,L1038,C1086,C1087
NO
YES
Check U2002
Resolder or change
U2002
NO
YES
E
ND
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.