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No audio output
No audio output
Check if the voltage on
C139 and CE22 is
normal
Check if the RCA socket is OK
Check
component or soldering
exists
(U11) on main board
Try to fix the issue by
replacing DRV632 (U11)
Replace main board
Go
Yes
Yes
if
any
bad
around
DRV632
Yes
Yes
4-2
No
Fix the open circuit or short
circuit which may exist on PCBs
No
Fix the RCA socket
NO
Fix the bad component or
soldering
Trouble shooting chart
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