Service manual

No Audio
No Audio Output
Check input signal
J1 OK?
Check CN7 to
s
p
eaker OK?
Check CN6 pin 1,2
12V correct?
Check U6 pin 6
Volume and
Q
7
Check U6
p
in12
(
mute
)
,
p
11
(
stb
y)
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
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