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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
Summary of Contents for VS11444
Page 5: ...ViewSonic Corporation Confidential Do Not Copy 2 Handling and Placing Methods VX1935wm 3 ...
Page 6: ...ViewSonic Corporation Confidential Do Not Copy 3 VX1935wm 3 ...
Page 45: ...ViewSonic Corporation Confidential Do Not Copy 42 STAND FRONT COVER VX1935wm 3 ...
Page 46: ...ViewSonic Corporation Confidential Do Not Copy 43 BACK COVER PANEL VX1935wm 3 ...
Page 61: ...ViewSonic Corporation Confidential Do Not Copy 58 VX1935wm 3 ...
Page 63: ...ViewSonic Corporation Confidential Do Not Copy 60 9 Block Diagram VX1935wm 3 ...
Page 71: ...ViewSonic Corporation Confidential Do Not Copy 68 11 PCB Layout Diagrams VX1935wm 3 ...
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