ViewSonic VA2016W Service Manual - Page 55
ViewSonic Corporation, 2. No Power & Power LED Off, Check F801, P801
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6.2. No Power & Power LED Off No power Check primary rectifier voltage Check pin6 of IC802 voltage about 12V Check pin2 of IC802 voltage about 3V Check pin1 of IC802 voltage is below 1V END Check circuit if Check IC802, C804, T801, Check F801, P801, RT,801,D801 CheckC810,D803,C80 7, Check primary OVP, OLP and secondary Check R811, R810, R809, R808,R814 ViewSonic Corporation 52 Confidential - Do Not Copy VA2016w-2
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52
ViewSonic Corporation
Confidential - Do Not Copy
VA2016w-2
6.2. No Power & Power LED Off
No power
Check primary
rectifier voltage
Check IC802,
C804, T801,
Check
circuit if
Check F801, P801,
RT,801,D801
Check pin6 of
IC802 voltage
about 12V
CheckC810,D803,C80
7,
Check pin2 of IC802
voltage about 3V
Check primary OVP,
OLP and secondary
Check pin1 of IC802
voltage is below 1V
Check R811, R810,
R809, R808,R814
END