LG 15LS1RA Service Manual page 17
Lcd tv, chassis: ln71a
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Also See for 15LS1RA:
- Owner's manual (56 pages) ,
- Manual de usuario (56 pages) ,
- Owner's manual (56 pages)
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No Sound
Check the
input source.
Pass
Check the input/output
of IC100
Pass
Check the input/output
of IC400
Pass
Check the speaker
Pass
Check the speaker wire
Change source input.
Fail
Re-solder or Change the defect part.
Check X100.
Fail
Re-solder or change the defect part.
Fail
Change the speaker
Fail
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