Samsung SGH-G810 Servise Manual page 50

Flow Chart of Troubleshooting
V_BAT
C127
10V
UMTS_ANT
R110
GSM_ANT_SEL1
GSM_ANT_SEL0
4
OUT
G
GSM_PA_PWR_CTL
BAT
TA200
CPL200
10V
C201
1 IN
OUT
COUP 50OHM
C212
4 3
R200
C128 TA129
50V
10V
26 ANT
VBATT
10
WCDMA1
21
DCS|PCS_IN
23
GSM_IN
27
BS2
28
BS1
29
C147 C148
R122
C200
2
2
TX
L201 L202
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C119
L102
FEM100
4
RX4
5
RX3
6
RX2
7
RX1
2
MODE
3
RSVD
1
_TXEN
25
R114
L204
C216
DUF201
1
ANT
3
RX
GND
4
10-36
L101
F103
C187
1
IN
G
C185 L124
2
L122
F101
2 3 510
G G G G
OUT2 6
4 IN2
BAL2 7
OUT1 8
IN1
1
BAL1 9
C186
UMTS_ANT
C202 C205
UMTS_RX
C247
C103
C125
3
OUT
4
OUT
G
5