6.1. NO
POWER
POWER
STAR
Check
3.3V O/P
C825
Check
P802 5,6 PIN
Check
P901,P902
PANEL
Check
12V O/P
C823
Check F801
D801~D804
Check
I801
,Q801
Check
D822
I802,I803
Check I901
L901,L903
T901,T902
Q904,Q905
Check
I901
MAIN PCB
12V
3.3V
12V
CHECK
POWER PCB
OK?
STAR
CHECK
MAIN PCB
3.3V OK?
2.5V OK?
CHECK
I107
SUROUND CAP
BEAD OK?
CHECK
I106
SUROUND CAP
BEAD OK?
CHECK
I101,I104
SUROUND CAP
OK?
CHECK
I101
SUROUND CAP
BEAD OK?
N
N
Y
Y
6. Trouble Shooting Flow Chart
31
ViewSonic
Corporation
Co
nfidential
-
Do
Not
Copy
VE710s/b-2
VA721