| LG 42 INCH PDP TRAINING.pdf | | 42 Inch(Wide) PDP SVC Training Manual
LG Electronics / DND QA
Contents
. Usage/Service Points to be concerned
. Module formation & spec
. Screen defect diagnosis
1. 4/7 or 3/7 of screen is not displayed.
2. Screen by Data COF is not displayed.
3. one or more of Data COF IC have regular vertical lines.
4. Data COF IC unit error pattern
5. The screen by Scan COF is not displayed.
6. Regular- interval vertical line in the whole screen.
7. Vertical data copy
8. One or more vertical bars.
9. One or more horizontal bars.
10. Input signal pattern is displayed but the whole brightness of screen is dark.
11. In full white pattern, foreign color is displayed or in full black pattern, mis-
discharge is partially occurred..
12. In full white pattern, the brightness is getting darker toward the center.
13. A specific brightness of one color is not clear.
. Non-picture defect diagnosis
. One Point Service Guide(42 Inch |
