![background image](http://html.mh-extra.com/html/viewsonic/vx2739wm-1/vx2739wm-1_service-manual_1019962067.webp)
6. Troubleshooting Flow Chart
Can not boot
Abnormal screen
1.Test after boot
,
the screen left bottom has the streaks
2. Purple screen after booting
3. White screen appears after booting
Can not boot
Check AC-power
whether is OK
Replacement the
AC Power
Supply
Equipment
Disassembles the system
to remove the PSU, and
supplies the power directly
Replace the PSU
and Test
The nondefective
Replacement MB and
OK
NG
OK
NG
ViewSonic Corporation
VX2739wm-1
VX2739wm-CN
CONFIDENTIAL – DO NOT COPY
67
Содержание VX2739wm-1
Страница 73: ...7 Block Diagrams ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 73 ...
Страница 74: ...8 Schematic Diagrams ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 74 ...
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Страница 76: ...ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 76 ...
Страница 77: ...9 PCB Layout Diagrams ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 77 ...