Samsung SGH-i450 Service Manual page 44

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Flow Chart of Troubleshooting
VIO
5
1
PS_HOLD_PU
2
SYSEN
3
U611
VREG_TCXO_2.8V
V_EXT_DIODE
4
ON_SW
IF_CON_SENSE
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D600
D601
2
TA600
3
1
D603
1
3
3
TR601
2
1
4
2
5
9-2
V_BAT
VBAT
TR600
6
5
4
2
1
R621
TA601
G
3

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