Samsung GT-i8910 Service Manual page 39

Flow Chart of Troubleshooting
U405
1
A
PS_HOLD_PU
2
B
SYSEN
3
GND
C947
R927
R431
U407
R500
TA501
VREG_TCXO_2.85V
VIO
R450
V_EXT_FET_BOOT
6
VCC
5
NC
4
Y
ON_SW
IF_CON_SENSE
C946
TR403
C426
R407
R330
R332
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D401
2
3
1
TA401
U408
1
3
3
2 1
4
2
5
U803
BH903
BOTHHO L
9-2
V_BAT
6
5
4 2
1
G 3
R433
TR402
D402
PZU5.6B
TR403
U805
ZD513
U802
VBAT
TA402