I recently dropped my tv when moving into my new place. It worked for two days after i dropped it so i thought i was lucky but then two days after the accident it won't work. I go to turn it on and i hear it turn on but then after about 5 seconds it will shut off. If i have the tv plugged in the red light on the bottom will stay on like normal but once you push the on button on it will sound like it's coming on but then it just illuminates a horizonal line that starts in the center of the screen then moved up and then back to the center then turns off by itself without giving me an image. The Tv is 13 months old and of course barely out of warrenty. I am fairly handy myself and am a service tech for applaince repair but don't know anything about tv's. Does somebody have an idea of what it could be? Maybe some simple checks, i couldn't find any loose wires inside the cavity and see know burnt marks on the boards or connections. Thanks to anybody that can possibly help in advance.
The horizontal line across the center like that tells me that you have lost your vertical IC chip and possible some capacitors and resistors around it. You will have to take it into a service repair shop in order to get it looked at but it will probably be cheaper to just buy a new one.
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Look for a monitor cable with 15 pin RGB plugs on each end, that will transmit the video portion of the signal so you will need an audio cable with 3.5mm plug on each end also, there are RGB cables that have the audio cable together as one big cable.
your picture tubes is going bad. i've had 5 yes 5 of these tv's replaced by samsung/bestbuy. i've kept buying the PSP (product Service plan) now my most recent tv is doing the same. samsung no longer makes the picture tube for this model. i've already called them. it was a nice tv. i've gotten about 6 months out of each model. I'm moving on the LCD, nice rca 32 inch HDtv model at walmart for less than 500.00.
I own the same model of tv and have owned it for over 1.5 years. I moved with it twice. I had this problem about a month ago. On both vertical sides the screen became very fuzzy, yet the center remained clear. When turning the tv off and on I also noticed very wierd red, green, and blue lines streaming across the screen before the picture comes up or after it fades. I found no solution or cause to the problem. But I had two "long-boy" speakers from my panisonic 5.1 surround sound system setup right next the tv on either side. I set the center channel on top of the tv with the receiver on the shelf below. I thought well maybe some how the speakers were cause some sort problem in the tv. I moved the side "long-boy" speakers from directly next to the tv to about 6" away and removed the center speaker from the top of the tv. After several days of normal use of this configuration, the tv turned like normal and the fuzzy edges were gone. The symptoms lasted for around two weeks, and the several days after I moved my speakers. My only guess is that without a deguassing feature, it took several days for the magnitism to return to normal after repositioning my speakers.
Your TV may something arcing inside of it. Maybe a loose connection. Since it is probably under warranty you should get in touch with the dealer where you purchased it. Perhaps you can get the whole TV replaced.