LG 32LV355T Service Manual page 54

Standard Repair Process
Error
LCD TV
symptom
. By using Digital signal level meter
☞ A6
. By using Diagnostics menu on OSD
Check RF Signal level
( Menu→Red key→Signal test)
- Signal strength (Normal : over 50%)
- Signal Quality (Normal: over 50%)
Y
Check whether other equipments have problem or not.
Normal
Signal?
→ DVD Player ,Set-Top-Box, Different maker TV etc`
N
Check RF Cable
Connection
1. Reconnection
2. Install Booster
N
Normal
Picture?
Y
Close
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A. Picture Problem
Picture broken/ Freezing
(By connecting RF Cable at other equipment)
☞ A7
Y
Normal Check
S/W Version
Picture?
N
Contact with signal distributor
or broadcaster (Cable or Air)
Established
date
Revised date
N
SVC
Check
Bulletin?
Tuner soldering
Y
S/W Upgrade
N
Normal
Picture?
Y
Close
3
2010. 2 .19
3/13
Normal Y
Close
Picture?
N
Replace
Main B/D
LGE Internal Use Only