I have a hisense brand TV and it's about 5-6 years old. I have sound but no picture, just a black screen. If it sits a while

[mamabear6566]

My hisense TV that's 5-6 yrs old has sound but no picture. If I let it sit awhile the picture is there at first then screen goes black. Is any help for it? Thx

 

[americanaudiophile]

Contact
http/www.shopjimmy.com/hisense
They sell replacement boards and are very helpful.