Trouble Shooting Flow Chart - ViewSonic VE710S - LCD Display - TFT 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
5V OK?
Y
3.3V OK?
Y
1.8V OK?
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?
CHECK
N
I103,
SURROUND CAP
BEAD OK?
CHECK
N
I104,
SURROUND CAP
BEAD OK?
16
Check
P901,P902
Check I901
L901,L903
T901,T902
Q904,Q905
Check
I901
MAIN PCB
CHECK
I106,I107
SURROUND CAP
OK?
CHECK
I101,
SURROUND CAP
BEAD OK?
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PANEL
VE710s/b-2
VA721