Trouble Shooting Flow Chart - ViewSonic VS10047 Service Manual

6. Trouble Shooting Flow Chart

6.1. NO POWER
POWER
STAR
Check
12V O/P
C823
Check F801
D801~D804
Check
I801
,Q801
STAR
CHECK
MAIN PCB
3.3V OK?
Y
2.5V OK?
N
ViewSonic Corporation
Check
Check
3.3V O/P
P802 5,6 PIN
C825
12V
Check
3.3V
D822
I802,I803
12V
CHECK
N
POWER PCB
OK?
Y
CHECK
I107
SUROUND CAP
BEAD OK?
CHECK
I106
SUROUND CAP
BEAD OK?
30
Check
PANEL
P901,P902
Check I901
L901,L903
T901,T902
Q904,Q905
Check
I901
MAIN PCB
CHECK
I101,I104
SUROUND CAP
OK?
CHECK
I101
SUROUND CAP
BEAD OK?
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VE710s/b-2
VA721