Read LG 47LM8600 (CHASSIS:LT23E) Service Manual online
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No Sound
Check The Input Source
Check The Input/Output
Of IC5400
Re-soldering or
Change the defect part
Pass
Pass
Check The Speaker
Change Speaker
Check The Speaker Wire
Pass
Change The Source Input
Fail
No Sound of SPDIF
Check output source
Cable And Jack
Check The Input/Output
Of IC101
Pass
Pass
Check The Speaker Wire
Re-soldering or
Change the defect part
Fail
Fail
Fail
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