Technomate 800 HD flickering black screen

[TZAA]

Hello guys,

first post on this forum, ive downloaded images from here before, but i have a major problem with my receiver and i don't know how to fix it.

here is my problem ive uploaded it on tube: http://www.youtube.com/watch?v=HebslsznshY

ive tried everything, ive factory reset it, ive changed the firmware, ive changed the power cable, I've used loads of different images but still get the problem. I usually start up my receiver and load up a channel, after around about 30 minutes of watching a channel it starts doing what u can see in the video for about 5-6 minutes (im not sure about the time cos i havent really timed it) then it will go back to normal and have a clear picture, but then after it will start doing it again, even when i change channel. To me it seems that the receiver loses power but i am not definitely sure. I never used to have this problem, I have had this receiver for about 2 years now, it never had this problem, it had the usual problems of freezing on HD channels etc etc, but one day it automatically reset itself somehow and once i restarted it, it brought up the genie like it had been factory reset and i had lost all my settings, so i instantly upgraded it to new firmware and since then its had this problem

Ive contacted Technomate about it and they said that i should send it in to get it checked. I asked if they would exchange it to a newer model and i would pay the difference and they said they would only swap it and give me £50 towards buying a the new HD Twin. So im not sure if its a good idea of giving them something back that i paid £300 for and getting only £50.

any help would be appreciated