Read LG 22LK310 (CHASSIS:LP91J) Service Manual online
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No Sound
Check The Input Sourse
Check The Input/Output
Of IC600
Re-soldering or
Change the defect part
Fail
Pass
Pass
Check The Speaker
Change Speaker
Fail
Check The Speaker Wire
Pass
Change The Source Input
Fail
No Raster On AV (Video, S-Video)Signal
No Signal On TV(RF) Signal
Check Input source
Cable And Jack
Pass
Check Input source
Cable And Jack
Pass
Check The Input/Output
of JK102
Re-soldering or
Change the defect part
Pass
Fail
Pass
Repeat [A], & [B] Process
Pass
Check the Input/Output
of IC800
Fail
Re-soldering or
Change the defect part
Pass
Check The Input/Output
Of TU500
Re-soldering or
Change the defect part
Pass
Fail
Pass
Check the Input/Output
of IC800
Fail
Re-soldering or
Change the defect part
Repeat [A], & [B] Process
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