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LG LS5750 Series Service Manual

LG LS5750 Series
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52 / 153
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
3/13
LCD TV
Error
symptom
2011. 01 .24
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
Copyright ⓒ 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only

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LG LS5750 Series Specifications

General IconGeneral
BrandLG
ModelLS5750 Series
CategoryLCD TV
LanguageEnglish

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