LG 43LF5100 Service Manual page 37
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Also See for 43LF5100:
- Owner's manual (45 pages) ,
- Service manual (68 pages) ,
- Easy setup manual (51 pages)
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Standard Repair Process
Error Symptom
Content
☞ A5
Check RF Signal level
Check whether other equipments have problem or not.
Y
Normal
Signal
→ DVD Player ,Set-Top-Box, Different maker TV etc`
N
Check RF Cable
Connection
1. Reconnection
2. Install Booster
N
Normal
Picture
Y
End
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Only for training and service purposes
Tuning fail, Picture broken/freezing
. By using Digital signal level meter
. By using Diagnostics menu on OSD
( Menu → Customer Support(red button on remote control) → Signal Test )
- Signal strength (Normal : over 50%)
- Signal quality (Normal : over 50%)
(By connecting RF Cable at other equipment)
Y
Normal
Picture
N
Contact with signal distributor
or broadcaster (Cable or Air)
A. Video Error
☞ A6
Check
SVC
S/W Version
Bulletin
Y
S/W Upgrade
Normal
Picture
Y
End
Established date
Revised date
N
Check
Tuner soldering
N
2015.04.17
3/14
Y
Normal
End
Picture
N
Replace
Main B/D
LGE Internal Use Only
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