Samsung SGH-S730i Service Manual page 27

PAC_EN
C109
DCS74138_OUT
BAND_SEL
R106
VPC
C112
GSM74138_OUT
SATDET
R108
C118
C120
R110
R111
U105
1
NC
C132
2
13M_BUF A
3 GND
R120
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VBAT
PAM100
R101
1 ENA COUP_OUT 16
2 DCS|PCS_IN GND 15
R102 R103
3 BS DCS|PCS_OUT 14
4 13
VSUP GND
R104
5 VBATT 12
GSM_OUT
6 VPC GND 11
7 GND 10
GSMIN
C113
GND
8 RSVD 9
GND
17
C122
C123 C124
VRF_2.9V
R115
C131
6
VCC
NC 5
C134
R116
4
Y
R119 C136
C137
2-3
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TX_FB
R105
DPCS_OUT
GSM_OUT
C111
C114
NC
CLK13M_TR
CLK13M_MC
CLK13M_YMU
Flow Chart of Troubleshooting