LG 43LF63 Series - A. Video Error: Picture Broken; Freezing

A. Picture Problem
Picture broken / Freezing
Y
N
N
Check RF Signal level
Normal
Signal?
Check RF Cable
Connection
1. Reconnection
2. Install Booster
Check
S/W Version
S/W Upgrade
Check whether other equipments have problem or not.
(By connecting RF Cable at other equipment)
→ DVD Player, Set-Top-Box, Different maker TV etc.
SVC
Bulletin?
Replace
Main B/D
Normal
Picture?
Y
N
Y
Close
Y
Close
. By using Digital signal level meter
. By using Diagnostics menu on OSD
(Menu → Advanced → Programmes → Programme Tuning → Signal Test)
- Signal Strength (Normal : over 50%)
- Signal Quality (Normal : over 50%)
Normal
Picture?
Y
Contact with signal distributor
or broadcaster (Cable or Air)
N
Normal
Picture?
Y
Close
N
Standard Repair Process
Established
date
Revised date
3/13
N
4
☞A6
☞A7
Error symptom
Check Tuner
soldering
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