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call me al:
Hi all .Best wishes for2023,have a Hisense H49n5700 it keeps cutting off sometimes after a few mins and other times after  much longer.Have replaced the main board but fault still there,also took it apart to check the led strips and re wired the edge connectors on the led strips but still no better.Have run out of ideas so any suggestions very welcome.Thanks Al

downunder:

Hi Al, and all the best for the new year.  Have you considered it might be the display panel? Try disconnecting separately each T-con flexie lead to
the panel. If one lead off gives you half a picture or white screen, but the other lead results in a black screen, then the panel is toast. This is mere speculation of course, but at no previous time have I come across so many duff panels.

call me al:
Many thanks for the reply ,am inclined to agree ,think its a Hisense thing,have,nt came across it with any other brand

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