LG 22LS4R - Page 19

8. No sound
- 19 -
Check the input
Source.
Fail
Pass
Change the source input.
Check input/Output
of IC100.
Fail
Pass
Re-soldering of Change the defect part.
Check the X100
Check the input/
output of IC500
Fail
Re-soldering or Change
the defect part.
Pass
Check the Speaker
Pass
Check the Speaker wire.
Fail
Change Speaker.