Question about Akai LCT3701AD 37 in. LCD Television
WE POWER IT ON, NO SOUND OR PICTURE. wHAT COULD BE THE PROBLEM?
My experience with 42" plasma tv's with no picture or sound was a missing power supply voltage. On the power supply board check voltages on the plug. The voltages should be marked on the board,
Posted on Mar 02, 2008
HP is now fixing this problem for free. all you need to do is to call them, even if your warranty has expired. I have The same problem like you, and my warranty has expired, I just called them on Sep 19th 2008.
do not hesitate to call
Posted on Sep 20, 2008
I looked around for a power supply for you and turn up nothing. I see your problem. Nobody is selling. Best just to fix the board itself.
What I would do is get a Service Manual over the internet. Nodevice.com is selling the Service Manual. Usually cost under $20. It will help you diagnose the source of the problem and fix it by soldering in the new part. The Service Manual will give you circuit diagrams, schematics, test points, and part number lists. And most cases the new part cost less than $15 by searching on the internet with the part number.
It's possible that it's just a bad capacitor or transformer on the power supply board. Cheaper than replacing the board.
I hope I solve the problem for you.
Posted on Jul 20, 2009
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