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ViewSonic Corporation
Confidential - Do Not Copy
49
5.
Backlight can’t be turned on
U105 FAIL
Black screen
Check pin4 of
CN101
Check CCFL-
Enable(pin 85)
of U105
Check crystal (pin 96,97)
waveform of U105
Check reset (pin84) of
U105
Check power supply
for U105
Check power
supply:pin 1,2 of
CN101
Check R167,Q106,
R108,R110
Inverter Fail
Check
X101,C153,C154
Check C144,R172
Check FB102,FB103,
FB105,FB106
Power fail
NG
NG
NG
NG
NG
NG
YES
YES
YES
YES
YES
YES
V
X
193
5
wm-
3
Содержание VS11444
Страница 5: ...ViewSonic Corporation Confidential Do Not Copy 2 Handling and Placing Methods VX1935wm 3 ...
Страница 6: ...ViewSonic Corporation Confidential Do Not Copy 3 VX1935wm 3 ...
Страница 44: ...ViewSonic Corporation Confidential Do Not Copy 41 Disassembly Procedure BASE HINGE COVER VX1935wm 3 ...
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 ...
Страница 59: ...8 Exploded Diagram and Exploded Parts List ViewSonic Corporation Confidential Do Not Copy 56 VX1935wm 3 ...
Страница 61: ...ViewSonic Corporation Confidential Do Not Copy 58 VX1935wm 3 ...
Страница 63: ...ViewSonic Corporation Confidential Do Not Copy 60 9 Block Diagram VX1935wm 3 ...
Страница 71: ...ViewSonic Corporation Confidential Do Not Copy 68 11 PCB Layout Diagrams VX1935wm 3 ...
Страница 72: ...ViewSonic Corporation Confidential Do Not Copy 69 VX1935wm 3 ...
Страница 73: ...ViewSonic Corporation Confidential Do Not Copy 70 VX1935wm 3 ...
Страница 74: ...ViewSonic Corporation Confidential Do Not Copy 71 VX1935wm 3 ...