Question about Televison & Video

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When I turn my televbision on a blue screen appears with lines and the tv just shuts off after a few seconds. I can turn it back on or unplug it, but I get the same result everytime. I turn the TV on and it shuts off.

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  • zoedadd Jul 20, 2009

    I turn my tv on and a blue screen appears. The tv stays on for a few seconds and then shuts off. It started doing this several weeks before, but would only shut off occasionally. I could turn the tv off for a few minutes and turn it back on and it was fine. Now it will shut off seconds after I turn it on. I have no picture, just a blue screen.

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Hello,

You are having the same problem that many LCD monitors have after a few years of service. Because of the heat trapped inside the tv electronic parts calls capacitors get damaged. If you are comfortable repairing electronics you can open the back so you can get to the power supply board( be sure the unit is unplugged) What you will be looking for are little aluminum parts with a plastic sleeve. The tops should be flat but if they are damaged the tops will have a bulge. The bad capacitors will need to re unsoldered and replacement caps soldered back in place. We have a web page at:
www.ccl-la.com/badcaps.htm that has pictures of what the bad capacitors look like. You should be able to get replacement caps at Radio Shack, electronics parts house, or ordered from the internet. Be sure to replace the parts with the same polarity as the old ones, the caps have a stripe on the side that is the negative terminal. Just replace any that look like the pictures and then test your tv. You should be back watching in no time.

If you have any questions just email me.

Buddy
Corporate Computer
Over 21 years of PC and printer support/repair

Posted on Jul 20, 2009

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  • Master
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Check the cables at the back, try unplugging al cables and start TV stand alone.

If you get the problem with no cable connected, then the TV is faulty. Probably the main digital controller board must be replaced.

In that case phone the number listed on the owners manual to get support or to arrange a repair.

Posted on Jul 20, 2009

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