LG 32LH500B Service Manual page 22

Standard Repair Process
LED TV
Error
symptom
Check RF Signal level
Normal Y
Signal
N
Contact with signal
distributor
or broadcaster
(Cable or Air)
End
A. Video error
Tuning fail
Check RF signal cable
Check whether other equipments have problem or not.
(By connecting RF Cable at other equipment)
→ Set -Top-Box, Different maker TV etc
Check channel setting.
- Check channel frequency.
- Check sound system
Re-AUTO scan & re-check
Established
date
Revised date
Check
Y
Normal
Tuner soldering
Setting
N
N
Normal
Picture
Y
End
2016.03.07
3/12
Replace
Main B/D