Samsung SGH-G810 Servise Manual page 46

Flow Chart of Troubleshooting
V_BAT
C127
10V
UMTS_ANT
R110
GSM_ANT_SEL1
GSM_ANT_SEL0
4
OUT
G
GSM_PA_PWR_CTL
RTR6285_TCXO
C126
C130
RX_Q_P
RX_Q_N
RX I N
C128 TA129
FEM100
50V
10V
26 ANT
VBATT
10
WCDMA1
21
DCS|PCS_IN
23
GSM_IN
27
BS2
28
BS1
29
C147 C148
R122
C183
1
VDDA2
2
TCXO
3
VDDA1
4
VDDA1
5
VTUNE1
6
VDDA1
7
VDDA2
8
VDDA2
9
VTUNE_GPS
10
VDDA1
11
PRX_QP
12
PRX_QN
13
PRX IN
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C119
L102
4
RX4
5
RX3
6
RX2
C185
7
RX1
2
MODE
3
RSVD
1
_TXEN
25
R114
51
GCELL_INN
50
GCELL_INP
49
EGSM_INN
48
EGSM_INP
47
DCS_INN
46
DCS_INP
45
GPCS_INN
U100
44
GPCS_INP
43
VDDA2
42
GPS_IN
41
WDRXLB
40
WDRXHB1
39
WDRXHB2
10-32
L101
C125
F103
C187
1
IN
G G
L124
2 5
L122
F101
2 3 510
G G G G
OUT2 6
4 IN2
BAL2 7
OUT1
8
IN1
1
BAL1 9
C186
C113
C114
C115
C198
C101
GSM_RX_N
GSM_RX_P
DCS_RX_N
DCS_RX_P
PCS_RX_N
PCS_RX_P
GPS_PLNA_IN
C132
C133
C103
3
OUT
4
OUT