Y
N
☞ A5
N
Check RF Signal level
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`
Replace
Main B/D
Check
Tuner soldering
Y
N
Y
Y
. By using Digital signal level meter
. By using Diagnostics Setting on OSD
( Setting → Customer Support(red button on remote control) → Signal Test )
- Signal strength (Normal : over 50%)
- Signal quality (Normal : over 50%)
Y
Contact with signal distributor
or broadcaster (Cable or Air)
N
N
Y
N
☞ A6
End
Normal
Signal
Normal
Picture
Normal
Picture
Normal
Picture
SVC
Bulletin
End
End
Normal
Picture
LCD TV
Error Symptom A. Video Error Established date 2016.01.29
3/14
Content Tuning fail, Picture broken/freezing Revised date
Standard Repair Process
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