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LGE Internal Use OnlyCopyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
- 15 -
Yes
No
No
Replace the Power board.
Check the LCD Module.
Reconnect Panel link cable.
(P401 or P406 or P407)
Replace the Main board.
Change the IC(IC100).
No
Yes
No
Change Main bord.
Yes
No
S/W download and set White Balance value.
Before change Main Board,
Check S/W version and White Balance value.
Does minute discharge
at Module?
Is the link
cable normal?
Is the IC801’s
output normal?
Is the inverter on?
2. No Raster
(1) Symptom
1) No OSD abnd image occur at screen.
2) It maintains the conditioon where the front LED is blue.
(2) Check process
Is output the normality
Low/High voltage except
Stand-by 5V?
* Caution