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A. Video error

Picture broken/ Freezing

Y
N
☞ A5
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)
→ 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?
Y Close

. By using Digital signal level meter

. By using Diagnostics menu on OSD

( Menu→ Set up→ Support → 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 N
Normal
Picture?
Y
Close
N
☞ A6
Standard Repair Process

Established

date
Revised date 3/14
LCD TV Error
symptom 2013. 01 .09
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