![background image](http://html1.mh-extra.com/html/viewsonic/va2012w-2/va2012w-2_service-manual_1020743054.webp)
No Audio
No Audio Output
Check input signal
J1 OK?
Check CN7 to
speaker OK?
Check CN6 pin 1,2
12V correct?
Check U6 pin 6
Volume and Q7
Check U6
pin12(mute),p11(stby)
Change M/B
Check input source
or change J1
Change speaker
Change power
board module
Change Q7
Change U6
NO
OK
NO
NO
NO
NO
OK
OK
OK
OK
OK
ViewSonic Corporation
Confidential - Do Not Copy
VA2012w-2_VA2012wb-2
5
1
Содержание VA2012w-2
Страница 73: ...MB TOP 11 PCB Layout Diagrams ViewSonic Corporation Confidential Do Not Copy VA2012w 2_VA2012wb 2 70...
Страница 74: ...MB TOP ViewSonic Corporation Confidential Do Not Copy VA2012w 2_VA2012wb 2 71...
Страница 75: ...MB BOTTOM ViewSonic Corporation Confidential Do Not Copy VA2012w 2_VA2012wb 2 72...