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ViewSonic Corporation
Confidential - Do Not Copy
50
6.
Black Screen and backlight turn on
Black Screen
Power Fail
Check Power Supply:
Pin 1, 2 of CN101
Check Power:
Pin 2 of U101 and Pin 2
of U102
Check Reset Waveform
(Pin 84 of U105)
Check Crystal Waveform
(Pin 96,97 of U105)
U101, U102 Fail
Check X101,
C153, C154
U105
(TSUM16AL) Fail
NG
OK
NG
OK
NG
OK
OK
NG
Check C144 and
R172
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 ...
Page 72: ...ViewSonic Corporation Confidential Do Not Copy 69 VX1935wm 3 ...
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