Question about Sony KV-32V40 32" TV

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KV-40XBR700 turns itself off, standby blinks 5 times continuously

My KV-40XBR700 turns itself off, and then the standby light blinks 5 times in a row, and repeats continuously. I replaced all three of the MCZ3001 ICs... two on the D board, one on the A board. Unfortunatly, it still does it.

I have unplugged the tv for the 4 hour interval (to reset) and when I turn it back on, faint lines appear horizontally across the tv about a 1/4 way down from the top of the screen. They run the width of the screen and dip downward in the middle slightly. After a minute or two, the lines begin to move to the top of the screen and then disappear.

Sometimes the tv will stay on for a day or so, then it will turn off. I turn it back on, and a few minutes later it turns back off, always with the five blinks occuring. Sometimes it will just continue to turn off and I give up. Other times it will stop turning off and stay on for hours or a day.

I have heard that if it's not one of the three ICs, then it is most probably the flyback transformer. I priced the flyback transformer and it is $150.

I really don't want to trash this tv, but I also don't want to pay $150 on the transformer just to find out that wasn't the problem either.

Any help would be much appreciated. I did have a tech come out at the beginning of all this and he told me it would be $500 and no guarantees it would work. He was just really unhelpful, which is why I took on this thing myself. I miss the tech in the small town I used to live in, he was a wizard and guaranteed his work. If I was living there I would have simply let him deal with it.

Anyway, that is my story. Any help would be much appreciated.

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  • dallasdeckar Nov 20, 2008

    Thanks, starryis377, but I've already gone that route, remember? This started with a tech coming out and telling me it would cost $500 with no guarantees (the tech is from one of the places on that list you sent me to).

    If I knew that a tech could help me, I'd pay the $75 it costs for them to come out, but after doing it once and getting absolutely no help, I'm not ready to toss away another $75 bucks. Thank you for the suggestion though!


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Http://esupport.sony.com/US/perl/model-home.pl?mdl=KV40XBR700&LOC=3 Ok this isn't the best answer in the world but from here you can find a service tech in your area that works on Sony products. Good luck!!!

Posted on Nov 19, 2008

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