Service Schematics - Samsung GT-S3850 Service Manual

8-4. Service Schematics

ANT100
ANT101
L101
R115
C101
2G RF
R100
27
PA_HB TX_HB_IN
R102
28
PA_LB TX_LB_IN
R104
25
SEL_BAND BS
18
RX1
16
RX2
CONTROL SW_EN TXEN
Sleep
L L
RX1 H L
RX2 H
L
TX_LB H H
TX_HB H
H
R503
R504
C210
L200
R200
R500 C220
C232 C213
R220
C224
L107 L106
L112
C206
L108 L105
C207
D100
C233
D101
C205
C202
F100
R206
R209
R101 R111
VR200
R103
C106
R104
C234
R233
C235
R100
L203
R102
C604
RFS100
L104
L133 C105
L102
VBAT
L130
C103 C104 C160
20 R101
TXEN
PAM100
R103
21
VRAMP
R105
26
SW_EN
R111
C106
C107
1
IN
L110
BS
L
L
H
L
H
C112
1
UNBAL
L119
C214 R217 R22 2 R223 C415
TP_D_CLK_N
TP105
C410
C403
C402
C226
C218
C138
TP110
R221
R225
TP108
R226
C309
C308
C115
C219
TP112
L201
TP113
C215
C151
R210
C209
C230
L117 L115
C212 R212
OSC100
D103
L111
D102 L123 L121
TP114
L114 L122
U201
F102
C146
TP502
C145
C134
C140
C126
C127
R109
C108
L130 C105
RFS100
C109
F101
C104
C103
V601
L133 R115
C101 L101
ANT101 ANT100
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L105
GSM_850_RX_A
L106
EN_TX
VRAMP
L107
EN_TR_SW
L108
GSM_850_RX_B
L109
F100
GSM_900_RX_A
GSM850_OUT 9
8 L111
GSM850_OUT
7
GSM900_OUT
6
GSM900_OUT
L112
L113
GSM_900_RX_B
L114
DCS_RX_A
L115
L117
L118
DCS_RX_B
F102
BAL1 9
8
BAL1
BAL2 7 L120
6
BAL2 PCS_RX_A
L121
L123
L122
PCS_RX_B
C149
TP115
TP117
TP119
TP118
C120 L125
R110
C135
C136
C132
L126
C131
C114 C141 L129
C153
L132
G601
G605
C610
8-39
Level 3 Repair