6.
TROUBLE SHOOTING FLOW CHART
6.1. NO POWER
Start
5V
on
C101
I101
is
Failed?
5V
on
C314,C319
9.2V
on
C308
18V on F102
Check 3~4V
Q107,C315,I108
Check
D804,D807,
I801,I802,I803
D801,F801
Replace
I101
Check
Q101,I107,Q114
Check
L111,D203,
I108,Q106
Check
Q108,I109,F102
N
Y
Y
N
N
N
N
Y
Y
Y
-6V on
F103
Check
D201,D202,F103,
C302,Q105,I106
N
Y
!
!
ViewSonic Corporation
15
Confidential
– Do Not Copy
VE155s
, VE500-2
VE
15
5
/b, VA520-2
