LG 22LD310 Service Manual page 33

TROUBLE SHOOTING GUIDE
Check The Input Sourse
Check The Input/Output
Check The Speaker
Check The Speaker Wire Check The Speaker Wire
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Only for training and service purposes
No Sound
Pass
Of IC501
Pass
Pass
Change The Source Input
Fail
Re-soldering or
Fail Change the defect part
Change Speaker
Fail Fail
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