![background image](http://html.mh-extra.com/html/viewsonic/vp2030b-1/vp2030b-1_service-manual_1021351056.webp)
6. Trouble Shooting Chart
Up
Check Power Board
CN7 PIN 1,2
Change Power Board
Check Key Bottom
Change Key Button
Check Crystal
X1
Change Crystal
NG
NG
NG
Check M/B
5V,3.3V.2.5V
1.8V
Change M/B
NG
Change M/B
6.1 Monitor Cann't Boot-up
Monitor Cann't Boot-
Viewsonic Corporation
53
VP2030b-1
Confidential - Do Not Copy
Summary of Contents for VP2030b-1
Page 34: ...Pattern 7 Pattern 8 Pattern 9 Viewsonic Corporation 31 VP2030b 1 Confidential Do Not Copy ...
Page 76: ...11 PCB Layout Diagrams Viewsonic Corporation 73 VP2030b 1 Confidential Do Not Copy ...
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