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ViewSonic Corporation
Confidential - Do Not Copy
46
2.
No Power & Power LED Off
No power
Check primary
rectifier voltage
Check IC802,
C804, T801,
Check circuit
if short
Check F801, P801,
RT,801,D801
Check pin6 of IC802
voltage about 12V
CheckC810,D803,C807,
Check pin2 of IC802
voltage about 2V
Check primary OVP, OLP
and secondary feedback,
Check pin1 of IC802
voltage is below 1V
Check R811, R810,
R809, R808,R814
END
V
X
193
5
wm-
3
Содержание VS11444
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Страница 45: ...ViewSonic Corporation Confidential Do Not Copy 42 STAND FRONT COVER VX1935wm 3 ...
Страница 46: ...ViewSonic Corporation Confidential Do Not Copy 43 BACK COVER PANEL VX1935wm 3 ...
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