My tv freezes and goes off on it own

When I on my TV it goes off on it own and I sent it to repair they said the main board.

I have change it and I'm ready to change it but I'm not getting some of the board in Ghana. So please help me

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@eunicecommey we will need to know the exact model number for your TV. Also, since this is a bit off-brand, we will need to see your circuit boards. Unplug your TV and remove the back cover. Then take some really well-focused pictures and post those with your Question. That Way we can see what you see. At minimum you will need to have access to a multimeter to do some measuring. Are you up to that :-) ? Adding images to an existing question

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