LG 42LG30R - No Raster

Copyright LG Electronics. Inc. All right reserved.
Only for training and service purposes
- 16 -
LGE Internal Use Only
1) Symptom
1) No OSD and image occur at screen.
2) It maintains the condition where the front LED is green.
2) Check process
2. No Raster
No
No
No
No No
Yes
Yes
Yes
CN700(PDP/LCD)
Replace the VSC.
Does mimute
discharge a Module?
Is the Link cable
normal?
Is the IC801's
output normal?
Check the LCD Module
Reconnect the
Panel line cable
(HD:P403, FHD:402)
Is the inverter
/VaVs on?
Is output the normality
Low/High voltage
except Stand-by 5V?
Replace the
Power board