LG RZ-15LA70 Service Manual - Page 20

of IC100,IC101

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Page 20 highlights

No Sound Check the input source Pass Change source input Fail Re-soldering or Check the input/output Change the defect part of IC1 Fail Check X11 Pass Check the input/output Re-soldering or of IC100,IC101 Fail Change the defect part Pass Check the speaker Pass Check the speaker wire Change speaker Fail

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No Sound
Check the speaker wire
Change source input
Check the
input source
Fail
Pass
Re-soldering or
Change the defect part
Check X11
Check the input/output
of IC1
Fail
Pass
Re-soldering or
Change the defect part
Check the input/output
of IC100,IC101
Fail
Pass
Change speaker
Check the speaker
Fail
Pass