LG M1994A-PTJ Service Manual page 22

Check the input Source.
Check the input/output
of IC301
Check the input/output
of IC204
Check the Speaker
Check the Speaker wire.
X300
Copyright LG Electronics. Inc. All right reserved.
Only for training and service purposes
Pass
Pass
Pass
Pass
7. NO SOUND
Fail
Fail
Fail
Fail
- 22 -
Check the Source input.
Re-soldering or change the
defect part, Check the X300
Re-soldering or Change the
defect part.
Change Speker.
LGE Internal Use Only