Samsung SGH-X630 Service Manual page 59

Flow Chart of Troubleshooting
VBAT VCCD_1.8
F704
L501
C511
C514
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U703
C518
VFB1
1 VFB2 10
2
VOUT
OUT2
3 VIN RUN1 8
4 SW2 7
SW1
GND
5
RUN2
GND
11
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VCCD_1.6
C519
D2
9
L502
6
10-22
VCCD_1.5