My tv is less than a year old , this mornin went to turn it on, no picture, theres power at the oulet and tv. the little l.e.d. lite is on though
Just today we experienced the same problem on our Polaroid 37" FLM-3732. We are at a loss why it is doing this. We thought maybe it was the surge protector it is connected to went bad - but we have tried other outlets and get the same result.
Anyone with any ideas, we would appreciate it greatly.
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Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis. http://electro-medical.blogspot.com/ http://electronicshelponline.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.
I wish I had a solution--My DVD picture and sound is fine, but it takes about 30-40 minutes to get any kind of picture but it is broken--not clear at all - and the sound is all garbled, totally stops for seconds to minutes a a time. It is only a little over a yr old. I finally isconnectexd today and am going back to my cheap-o but dependable tv.
I have a sansui 19" LCD TV+DVD I had to attempt multiple times turning the TV on to get a picture. The sound was fine. This kept happening when I would go to turn on the set the TV kept playing fine with picture & sound but after the 2nd attemts I turned it off & then tried to turn it back on which took multiple attempts, it kept playing for a few minutes then the picture went out but the sound was still there. The set is not yet 2 years old.
thre are several components that can make a buzzing sound, especially a bad power component or capacitor. check the capacitors to make sure they are installed in the board correctly. the stripe on the cap must line up with the white mark on the board under it. remove the back panel lay the tv down on a blanket turn it on and see if you can isolate the noise component by ear up close. and visually check for swollen capacitors the top will be pushed up round if bad if good it will be flat on top. warning if tv is less than a year old make the place you bought it replace it. so you dont void the warranty.
I have the same TV. The screen went dead. Turned on the tv and waited for a few minuites for the picture to come on, the light went out. the tv is dead. I am dealing with Hyundai to have it repaired. You have to file a claim on the web site. They contacted me and I had to send them a picture of the Tv. I am waiting for there reply. I had the same problem with a TV i bought my mother. It is a Hisense. I am dealing with them, long time getting back to me. Both tv's sound like they have the same problems, power supply.