LG LT66 Benutzerhandbuch Seite 75

Standard Repair Process
Error
LCD TV
symptom
Check RF Signal level
Y
Normal
Signal?
N
Check RF Cable
Connection
1. Reconnection
N
Normal
Picture?
Y
Close
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Only for training and service purposes
A. Picture Problem
Picture broken/ Freezing
. 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%)
Check whether other equipments have problem or not.
(By connecting RF Cable at other equipment)
→ DVD Player ,Set-Top-Box, Different maker TV etc`
Normal
Picture?
N
Contact with signal distributor
or broadcaster (Cable or Air)
Y
Check SVC
S/W Version Bulletin?
S/W Upgrade
Normal
Picture?
Y
Close
3
Established
date
Revised date
N
Check
Tuner soldering
Y
N
3/13
Y
Normal
Close
Picture?
N
Replace
Main B/D
LGE Internal Use Only