While you wait for answers, we may have found some information which could help you.
Click here for No Sound Television AudioFlicking between AV and dvb?
Panasonic TXL37G10B power supply problem?
How can i fix my Panasonic TX-32LXD700?
Saying temporarily off air is it a minor issue?
How to remove EC2/RGB from top left hand on television screen?
how can i fix my tv?