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Only for training and service purposes LGE Internal Use Only
A. Picture Problem (DVB-S/S2)
Tuning fail, Picture broken/ Freezing
Y N

☞ A6

Check RF Signal level
Normal
Signal? Check
S/W Version
S/W Upgrade
SVC
Bulletin?
Normal
Picture?
Y
N
Y
Close
Check RF signal cable (DVB satellite signal or not)

Check whether other equipments have problem or not.

(By connecting RF Cable at other equipment)
→ Set-Top-Box, Different maker TV etc
Y
Change satellite setting
(match with installed ANT)
N
Normal
Picture?
Y
Close
N

☞ A7

Standard Repair Process
Established
date
Revised date
LCD TV Error
symptom
Check satellite setting.
- Check LNB frequency.
- Check satellite
- Check Satellite connection
(DiSEqC, motor, etc…)
Normal
setting?
Contact with
signal distributor
or broadcaster
(Cable or Air)
Close
N
Check
Tuner soldering Replace
Main B/D
2012. 12 .06