LG 42PJ260R Service Manual page 31

Repair Process-Reference data
Symptom
PDP TV
Item
Tilt Key
You can see 20 types patterns by using TILT Key on SVC Remote controller (except Old model)
< CHECK Item >
1. Dead pixel 2.Image sticking
5. In case of no picture, you can judge defect cause (Module or Main B/D)
- If patterns appear, defect cause is Main B/D
A. Picture Problem
Check Module pattern by Tilt key
3.Mal discharge
A1
Making
Revision
4.Module defect (V-Line/Bar, H-Line/Bar,,,)
ⓒ LG Electronics. Inc.2009