C) No Sound Condition
Check connectors and
speaker
Check 12V supply on
R952
Check input signals in
RF and A/V
Change main board
Abnormal
Normal
Reconnection / Re solder,
Change speaker
Check 12V supply at pin no.1 & 2
of XS504
Check Power supply
Normal
Normal
Abnormal
Normal
Abnormal
Check A/V Section if no
sound on A/V
Change Main Board
Check RF Section if no
sound on RF
Abnormal
50