We may have found other answers which could help you.
Click here for Panasonic Sound Tv
Take base off?
74cm panasonic television set would not come on?
Saying temporarily off air is it a minor issue?
Flicking between AV and dvb?
How to remove EC2/RGB from top left hand on television screen?
Panasonic TXL37G10B power supply problem?
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix televisions.