LG / GOLDSTAR 42LG53FR-TD
Manual de Servicio

2. No Raster
1) Symptom 1) No OSD and image occur at screen. 2) It maintains the condition where the front LED is green . 2) Check process

Does mimute discharge a Module?

No

Is the inverter /VaVs on?

No

Is output the normality Low/High voltage except Stand-by 5V?

No

Replace the Power board

Yes Check the LCD Module Yes Is the Link cable normal? No Reconnect the Panel line cable (HD:P403, FHD:402) CN700(PDP/LCD) Yes

Is the IC801�s output normal?

No

Replace the VSC.

Copyright C 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

- 18 -

LGE Internal Use Only