We may have found other answers which could help you.
Click here for Panasonic 42 InchTake base off?
L32V10B white screen with vertical coloured lines?
My tv Panasonic tv TH 42-42pz70ba?
How to remove EC2/RGB from top left hand on television screen?
Flicking between AV and dvb?
How can I connect my panasonic Cs29fx20ss TV model?