I powered it off after the picture was lost. Powered it back on( pressing power button on remote) and had picture for about 10 seconds, then no picture. Still have audio.
SOURCE: My Sylvania 6626LCT has blacked out, no picture, yet has sound.
Most likely your set is experiencing a panel backlighting problem or powersupply problem.
Simple checks:
When you first turn on your set, look closely at the panel. If it lights up momentarally then darkens instantly, you need a new panel. If it does not light up for even a fraction of a second, then it's most likely you need a new powersupply board. There have been cases of which a new panel and power supply boards both needs replacement, however this is rare.
Goto this website for model search and parts availability. http://www.encompassparts.com/
If they don't list your model number, gotto CONTACT INFO and try calling numbers they have listed. They are good about finding parts you need, even if your not a qualified technician.
One good thing about these Flat panel LCD, is that it doesn't take a rocket sientist to replace panels or boards. Some models however maybe a bit difficult on doing full panel replacements, but small models as yours is a peice of cake. Just remember where all framework and screws belong so you can get your set back together without any problems.
SOURCE: Comcast remote code for sylvania lc427ssx
I had the same problem, I ended up buying an RCA Universal remote, when I had no luck with the codes I tried the autoscan feature, to my surprise it worked perfectly.
SOURCE: Powers up then goes off in about 10 seconds
Transistor Q601 (K3869) is over heating. This is obviously a design flaw in the power supply. You can either extend or modify the heatsink or have some genious wire in a colling fan in the back cover.
I found the problem after running a common house hold fan on it with the back off. TV continued to run. Unplug the set before touching the heatsink after the problem occurs.
SOURCE: Sylvania LC320SS8 32 in. LCD Television Hi my
The light staying on is afterburn or power stored in a capacitor to start up the solenoid.
The protection circuit has been invoked to protect other components from being burned out. This unit needs professional intervention.
Unplugging and leaving for a few hours will not fix it it will merely delay the inevitable.I suggest it is taken for repair ASAP and refrain from trying to run it to prevent major damage or even fire.
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SOURCE: Sylvania 6842THG won't turn on
I have been having the same issue. I unplug the TV for 10 minutes and it usually works fine. I moves all of my A/V plugs to a single power strip and that helped a lot. Since then, the TV went into protection mode only once in 2 weeks. Next, I will use a power strip that includes the cable protection.
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