![background image](http://html.mh-extra.com/html/viewsonic/vs11444/vs11444_service-manual_1021448050.webp)
ViewSonic Corporation
Confidential - Do Not Copy
47
3.
DC output voltage is unstable
Unstable power
Check sampling
Circuit
Check R822, R823,
R824
Change R822, R823,
R824
Check the R pin
voltage of IC803
about 2.5V
Check R819, R820
Check R818, D804, C807 if
short
Change R818,
D804, C807
Check pin2 of
IC802 voltage
is 3V
Check pin1 of
IC802 voltage
below 1V
Change R808, R 809,
R810, R 811, R815,
END
Check the C pin
voltage of IC803 if
3V
Change
IC803
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 ...