LG 20LS1R-ZG - Page 20

- 20 -
No Sound
Check the speaker wire
Change source input
Check the
input source
Fail
Pass
Re-soldering or
Change the defect part
Check X301
Check the input/output
of U301
Fail
Pass
Re-soldering or
Change the defect part
Check the input/output
of U201
Fail
Pass
Change speaker
Check the speaker
Fail
Pass