Picture Problem, Picture broken/ Freezing
Y
N
☞
A6
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)
ex) DVD Player ,Set-Top-Box, Different maker TV etc`
SVC
Bulletin?
Replace
Main B/D
Check
Tuner soldering
Normal
Picture?
Y
N
Y
Close
Y
Close
. By using Digital signal level meter
. By using Diagnostics menu on OSD
( Menu→ Quick→ Channels → 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
☞
A7
Standard Repair Process
Established
date
Revised date
3/13
LCD TV
Error
symptom
2015. 04. 23
A. Video error
Normal
Picture?
N
2015. 04 .23
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Summary of Contents for 55LF5950
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