LG 55LB5900 - Caption Settings; USB Device Management; Media File Support

- 21 -
LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
7. Digital / Analog TV Audio
Check RF Cable & Signal
Follow procedure
‘6. All source audio’
trouble shooting guide.
ok
Check Tuner 3.3V Power
L1600
Replace L1600
Check IF_P/N Signal
TU1601 6/7 Pin
ok
ok
No
No
Bad Tuner. Replace Tuner.
8. AV/Comp Audio
Check AV Cable f or damage
for damage or open conductor
Check JK1702 Signal Line
R1714,R1715
ok
ok
No
Replace Jack
Follow procedure
‘7. All source audio’
trouble shooting guide.