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 Booster menu
On Off: Check
Off On: Check
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
Check
Tuner soldering
Normal
Picture?
Y
N
Y
Close
Normal
Picture? YClose

Menu Setup Booster

. By using Digital signal level meter

. By using Diagnostics menu on OSD

( Menu Setup Diagnostic)

- Signal strength (Normal : over 50%)

- Signal Quality (Normal: over 50%)

Normal
Picture? Y
Contact with signal distributor
or broadcaster (Cable or Air)
NN
Normal
Picture?
Y
Close
N
Standard Repair Process Established
date
Revised date
2008. 3 .05
3/13
LCD TV Error
symptom
3
Downloaded From TV-Manual.com Manuals