A. Picture Problem

Picture bro ken/ Freezing
Y
N
N
Check RF Signal level
Normal
Signal?
Check RF Cable
Connection
1. Reconnection
Check
S/W Version
S/W Upgrade
Check whether other equipments hav e problem or not.
(By connecting RF Cabl e at other equ ipment)
→DVD Play er ,Set-Top-Box, Different maker TV etc`
SVC
Bulletin?
Replace
Main B/D
Check
Tuner soldering
Normal
Picture?
Y
N
Y
Close
Close

. By using Digital signal level meter

. By using Diagnostics menu on OSD

( Menu→Setup→Manual Tuning)

- Signal strength (Normal : over 30%)

- Signal Quality (Normal: over 30%)

Normal
Picture?
Y
Contact with s ignal distributor
or broadcaster (Cable or Air)
N
Normal
Picture?
Y
Close
N
Standard Repair Process
Established
date
Revis ed date 3/13
LCD TV Error
symptom
3
N
Normal
Picture?
Y
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