LG 42LK430 Service Manual page 21

12. AV Audio
Check AV Cable for damage
for damage or open conductor.
ok
Check JK1604 & Signal Line.
ok
Follow procedure
'9. All source audio'
trouble shooting guide.
13. Component/ SCART Audio
Check Component Cable
for damage or open conductor.
ok
Check JK1602, JK1603
& Signal Line.
ok
Follow procedure
'9. All source audio'
trouble shooting guide.
14. RGB Audio
Check Cable conductors
for damage or open conductor.
ok
Check JK1102 & Signal Line.
ok
Follow procedure
'9. All source audio'
trouble shooting guide.
Copyright ©2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
No
Replace Jack.
No
Replace Jack.
No
Replace Jack.
- 21 - LGE Internal Use Only