Samsung SGH-D807 Service Manual page 58

Flow Chart of Troubleshooting
AFC
C408
VCCD_1_6
C136
C133
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VRF_2_9
13MHZ_BB
R401
TCX400
C409
VBAT
VCCD_1_8
L101
C138
L100
C135
C139
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R400
R402
R434
R404
C407
U103
1
VIN2 FB2
2
SW2 EN2
3
PGND2 EN1
4 NPOR2 13
VDD
5
SGND NPOR1
6
PGND1 SCL
7
SW1 SDA
8
VIN1 FB1
11-3
C400
CLK13M_TR
C401
CLK13M_MC
CLK13M_WM
CLK26M_RF
V1_8_EN
16
15
R120
14
R122
12
R123
11
10
9