- 21 -
LGE Internal Use Only
Copyright ©2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
11. AV Audio
Check AV Cable for damage
for damage or open conductor.
Check JK1604 & Signal Line.
ok
ok
No
Replace Jack.
Follow procedure
’8. All source audio’
trouble shooting guide.
12. Component Audio
Check Component Cable
for damage or open conductor.
Check JK1601, JK1603
& Signal Line.
ok
ok
No
Replace Jack.
Follow procedure
’8. All source audio’
trouble shooting guide.
13. RGB Audio
Check Cable conductors
for damage or open conductor.
Check JK1102 & Signal Line.
ok
No
ok
Replace Jack.
Follow procedure
’8. All source audio’
trouble shooting guide.
Summary of Contents for 42LK450
Page 41: ......