While you wait for answers, we may have found some information which could help you.
Click here for Standby Mode Help
My tv Panasonic tv TH 42-42pz70ba?
Flicking between AV and dvb?
L32V10B white screen with vertical coloured lines?
how can i fix my tv?
How to remove EC2/RGB from top left hand on television screen?
Panasonic TXL37G10B power supply problem?