47LH30FR (CHASSIS:LP91A) - LG TV Service Manual (repair manual). Page 21

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- 21 -
C
2009
8. NO SOUND
Fail
Fail
Check the Speaker wire.
Re-soldering or change the
defect part
Change Speker.
Check the input/output
of IC600
Check the Speaker
Pass
Pass
Check the input Source.
Pass
Fail
Check the Source input.
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