A. Video error
Picture broken/ Freezing
Standard Repair Process
Established
date
Revised date
3/16
LCD TV
Error
symptom
2013.01.31
☞
A3
. By using Digital signal level meter
. By using Diagnostics menu on OSD
Check RF Signal level
y
g
g
( Setting
→
Set up
→
Manual Tuning
→
Check the Signal )
- Signal strength (Normal : over 50%)
- Signal Quality (Normal: over 50%)
Y
N
Normal
Signal?
Check whether other equipments have problem or not.
(By connecting RF Cable at other equipment)
→
DVD Player ,Set-Top-Box, Different maker TV etc`
A4
N
Check RF Cable
Connection
1. Reconnection
2. Install Booster
Check
S/W Version
SVC
Bulletin?
Check
Tuner soldering
Y
Y
Close
Normal
Picture?
Y
N
☞
A4
N
S/W Upgrade
Replace
Normal
Picture?
N
Contact with signal distributor
or broadcaster (Cable or Air)
Normal
Picture?
Y
N
Replace
Main B/D
Y
Close
Close
3
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Summary of Contents for 55EC9300
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