![background image](http://html1.mh-extra.com/html/viewsonic/va2012w-1/va2012w-1_service-manual_1020742054.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
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ViewSonic Corporation
VA2012w-1_VA2012wb-1
Confidential - Do Not Copy