I know enough to be dangerous
cyril7: Hi, I am not aware of any Panasonic TVs that dont include an analog option, what model is it.
Brunzy: I think you'll find that it has, try
Menu/setup/digital tuning/add Tv signal
Quality-wise, you are using the worst option possible to distribute video round the house. Heck, even using RCA (red, white and yellow) connectors would be a lot better than using an RF modulator, which is what you appear to be describing.