Hi the sound has gone on a Lexor tv 40 inch any idea where I can get a sound board from to replace one in TV it has picture no sound

I assume you mean Luxor?

That's an unbranded set which at one time were being sold by Asda.

How old is it? TBH if it's more than about 3 years old, you're probably going to be out of luck - unless you find one on Ebay.

It will doubtless be a Vestel / Hisense / Orion or one of the other OEM's products but without a model number it will be difficult to tell.

Alternatively, get a local TV repair shop to take a look - it *might* not need a new board.

It's landfill.

Luxor is a but Vestel brand but many were Asda exclusive with Asda handling after-sales. Vestel-made should enhance your chance of success but Luxor TVs have not been sold in the UK for some time as Asda picked up the Polaroid rights about five years ago so this means the TV may be quite old.