No Power
No Power
Check CN6 pin 1,2
12V correct?
Check U4,U3 pin2
3.3V correct?
Check U5 pin 2
1.8V correct?
Check Y1
frequency 12MHz
Change M/B
Change Y1
Change U5
Change U3,U4
Change power
board
6. Troubleshooting Flow Chart
50
ViewSonic Corporation VA2012w-1_VA2012wb-1 Confidential - Do Not Copy
