![background image](http://html1.mh-extra.com/html/viewsonic/vg700b-2/vg700b-2_service-manual_1021200021.webp)
6.1 No power
No Power
Change Power Cord
+3.3V OK?
Adaptor
OK?
Change Adaptor
Power Cord
OK?
+2.5V OK?
12V OK?
+5V OK?
Change NG component
Fuse1, L16,
L17, CN6
Open?
Change open component
L18, L19, D3,
Q7, R68
OK?
Change open component
L21, R71, R73
OK?
Change NG component
Change U8 or Check U2
Change U6
L20, R70, R72
OK?
Change U7 or check U2
6. Trouble Shooting Flow Chart
ViewSonic Corporation
17
Confidential
– Do Not Copy
VG700b-2