No picture, hear sound, television will shut off after a few seconds.

The television is shutting itself off to protect itself. The blinking light is a code pattern. The specific code determines whether or not you need an LCD Controller Unit, Main Board, power supply or something else. You would need the service manual. There are parts distributors you can get it from and the parts as well. If soldering and tv repair is not something you are entirely familiar you may want to seek a tv repair person. The manufacturer's support may walk you through the service menus to complete a factory reset depending upon the symptoms.

Tv has no picture or sound; will go out while watching. The picture will go into a line and sound and picture will go out; shortly after that tv will turn off. Did this last nite and I did not turn back on until this morning, it worked no problem. On for couple of hours and now it's out again. What could be problem and how do I fix myself

Sounds like a CRT is arching internally. to confirm remove the covers to have a view of the picture tube necks- in adimly lit room you should see bue arching in one of the tubes. (there are three piture tube with glass necks)

3 times blink shows lamp cover is removed or not installed properly on TV.
Please take out lamp inside TV and check, seems its broken as you heard loud pop.
Thanks.

the light source is out. the new lamp will cost around 250 easy fix.

I had the same exact problem!!!! If you unplug it, then plug it back in after a couple of days. You will hear a frying sound then a loud clap!!!! Solution: Replace it with a LCD.... Not worth getting fixed!!!

sounds like dust collected on the internal parts which after enough time can cause it to stop working. either have tv repair specialists replace the mother board, or replace tv

Color wheel is the noise you are hearing. It can also keep the lamp from firing up if it has seized up. Remove the lamp and inspect it. Replace the color wheel for sure.

sounds like picture bulbs maby %30 i think it may need to go in for a check up they can pin point the problem hope ive been somewhat helpful thanks viper

The color wheel is the most common problem in DLPs that cause noise. To determine the cause: Turn the set off. If the noise goes away after about five seconds, then, the problem is the color wheel. If the noise goes away one to two minutes after shut off, then, the problem is a fan. You can find an Authorized Servicer in your area that can tell you the price of repair, by clicking on the Samsung link: http://www.samsung.com/Support/ServiceLocations/index.htm