ViewSonic VA702-1 Service Manual page 38

2. No Power & Power LED Off
Check primary
rectifier voltage
Check pin3 of
IC802 voltage
about 1V
Check pin2 of IC802
voltage about 2V
Check pin1 of IC802
voltage is 5.8V
ViewSonic Corporation
No power
END
Check circuit
if short
Check F801, P801,
D801
Check R801, R805,
R822, R823, R817
Check R803, R807,
R824, R825
Check R812, R816,
C818
Confidential - Do Not Copy
35
Check IC802,
C805, T801
VA702-1_VA702b-1