Question about Mitsubishi VS-80803 TV

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Powers itself off after 1 hr of use

My tv just got back from the repair shop for a "no power on" problem. Now, I can watch a movie for about an hour and the screen slowly flashes green until it just "blacks out". My repair guy has given up I believe, any suggestions? Also, when I saw white letters they were shadowed on the right side by red. Any ideas on that?

Posted by daizee on

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Larry

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  • Mitsubishi Master
  • 2,800 Answers

Has the timing control board been changed?...or is it part of the panel on your set?

Posted on Nov 24, 2017

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Anonymous

  • 337 Answers

SOURCE: picture faded to black, came back, faded again and had stayed black.

It seems your set has a loose conection in the high voltage circuits,in fact by now it should have many loose conections in different areas like the power supply and the horizontal deflection circuits,if you are familiar with tv service you can use the information as the first step to take,some of the loose conections are hard to see even for the trained technician but the one giving you this problem should not be hard to see,if you are not too familiar with tv service be safe and call for assistance from a servicer a least for an estimate.

Posted on Oct 11, 2006

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Anonymous

  • 556 Answers

SOURCE: white horizontal line down middle of TV screen

caution whenever you see horizontal line please reduce brightness of your tv for safety of crt. your problem in vertical section only mostly due to loose contact in connector,print or loose components.

Posted on Sep 21, 2007

Dewayne Turner

  • 87 Answers

SOURCE: Bow like image

You likely have bad convergence output ic's type #STK392-570.  These can be purchased at UED 800-648-6657.  You will need to remove the board they are mounted on to be able to usolder the old ones and resolder the new ones.  These will be mounted on heat sinks.

I’m happy to help further over the phone at https://www.6ya.com/expert/dewayne_4a10eab6caecdb92

Posted on Oct 22, 2007

Lashawn Robinson

  • 1153 Answers

SOURCE: tv powers on, then switches off immediately

check out ctechnicians.com and find error codes

Posted on Dec 25, 2007

Vista Electronics

  • 1694 Answers

SOURCE: red and green lamps look off center

Intermittant convergence alignment issues are quite common.
Either solder the convergence IC pins or better yet , change out
the IC's with first quality OEM spec or upgrade..............T.

Posted on Apr 04, 2008

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