ViewSonic VE710b-4 Service Manual page 44

(VE710s-4 /VE710b-4 Realtek Scaler)
6.1. NO POWER
POWER
Check F801
D801~D804
ViewSonic Corporation
Check
3.3V O/P
STAR
C825
12V
Check
12V O/P
C823
Check
D822
I802,I803
Check
I801
,Q801
STAR
CHECK
MAIN PCB
N
3.3V OK? POWER PCB
Y
2.5V OK?
SUROUND CAP
BEAD OK?
N
SUROUND CAP
BEAD OK?
Check
P901,902,903,904
P802 5,6 PIN
(EA03/03Q Panel
I901,T901,T902,Q904,
Q905,Q910,Q911
(EA03/03Q Panel Q910,Q911
Differ L901,L902)
3.3V
12V
CHECK
OK?
Y
CHECK
I107 I101,I104
SUROUND CAP
CHECK
I106
SUROUND CAP
BEAD OK?
41
Confidential - Do Not Copy
Check
PANEL
P901,902 Only)
Check
Check
I901
MAIN PCB
CHECK
OK?
CHECK
I101
VE710s-4_VE710b-4