A. Video error
Picture broken/ Freezing
Y
N
☞
A3
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
Close
. By using Digital signal level meter
. By using Diagnostics menu on OSD
( All Settings→ Channels→ Channel Tuning→ Manual Tuning → Signal Strength, Signal Quality)
- Signal strength (Normal : over 50%)
- Signal Quality (Normal: over 50%)
Normal
Picture?
Y
Contact with signal distributor
or broadcaster (Cable or Air)
N
Normal
Picture?
Y
Close
N
☞
A4
Standard Repair Process
Established
date
Revised date
3/16
Error
symptom
3
N
Y
Содержание 50UH5500 65UH5500
Страница 63: ......
Страница 66: ...Overview for 16 ULTRA HD Model K2Lp Hardware ...
Страница 68: ...LCD TV Repair Guide 16 years New Models Applicable Model UH55 ...
Страница 73: ...2 K2Lp Block Diagram Internal LGE Confidential ...
Страница 82: ...TROUBLE SHOOTING GUIDE ...
Страница 110: ...Appendix Exchange Power Board PSU No Light Dim Light Dim Light Dim Light No picture Sound Ok A 3 5 ...