Question about Mitsubishi WS-55807 TV

4 Answers

When you turn the tv on it stays on about 5 secounds and turns back off.

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  • stephens7357 Jul 17, 2009

    I was wondering. I purchased the tv some years ago, I have never used the hd componets until yesterday. And this morning this power problem accured, could they be related?



    -Also are you suggesting unplug the tv for an hour to see if that solves the problem?

  • stephens7357 Jul 17, 2009

    My Mitsubishi hd 55807, the power comes on then goes off.

  • stephens7357 Jul 17, 2009

    Would this accur if you just used the hd componet of the tv. I have had it for years, I just switched to an hd box last night and this morning the problem accured.

  • stephens7357 Jul 17, 2009

    How much would it be to replace it?

  • stephens7357 Jul 18, 2009

    Thanks got it repaired, now I am dealing with the red colore coverage, the allingment of the colors the only one that wont move is red any ideas

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4 Answers

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  • Master
  • 1,776 Answers

Have you tried resetting the TV to factory settings? In the case of color inaccuracies, the TV's PerfectColor/PerfectTint capabilities can be reset by pressing the Menu button and using the right arrow key to highlight "PerfectColor." Press "Enter," then "Reset" to restore the factory settings. For issues with the audio or video of an incoming signal (DVD player or VCR), press "Menu" and use the right arrow key to highlight "Reset." This will restore the original factory settings for all incoming signals.

Reset the television controls. If the component settings do not fix the problem, there are two other methods of resetting the television. Press "Menu" and type "1, 2, 3" to bring up the Reset menu. By pressing "Enter," all of the settings of the television will be reset to the original manufacturer's specifications. If the television will not turn on or off, a full system reset should be performed. On the control panel of the television, press the System Reset button. The television will turn off and the green LED light will flash quickly for about a minute. When the light stops flashing, the TV should turn on.

Hope this helps you. Good luck and good watching!

Posted on Jul 19, 2009

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  • Master
  • 2,777 Answers

It is going to cost more than it's worth at this point since the TV is about 10 years old and the parts are very expensive and hard to come by. You may want to see if a local TV repair person can do a free evaluation on the unit to estimate the repair, but most likely it will be much more cost effective to replace the unit.

So sorry to be the bearer of bad news =(

Thanks for your time,

Tim

Posted on Jul 18, 2009

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  • Mitsubishi Master
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THIS PROBLEM IS CAUSED BY A SHORTED HIGH VOLTAGE SECTION ON THE CIRCUIT BOARD THAT SUPPLIES POWER TO THE CATHODE RAY TUBE ELECTRON GUNS, IT IS BETTER TO JUST REPLACE THE TV THAN FIX IT WITH THE HIGH PARTS AND LABOR TO FIX JAPANESE TV'S.

Posted on Jul 17, 2009

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  • Master
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Hi there,

By unplugging the TV for an hour or more you did a power reset. If this power reset does not allow the TV to turn on component failure is indicated. These sets are assembled using the wave soldering process they are known for having cold solder connections. Power supply failure is common. The safety circuitry shuts the TV set down or will keep it from turning on when it detects a problem. This model of TV has over 2,000 parts, which includes millions of transistors inside the integrated circuits. The capacitors will change value, leak and become defective. Resistors will change value and burn. Diodes and IC can go bad. This may have a domino effect and cause other parts to fail. Replacing one defective part may make the TV operate for a short time but the part will fail again if the parts that caused the failure to begin with are not replaced. The only way to know for sure which parts that are no longer within factory specs and for a proper repair all the electronics must be diagnosed by someone with the correct electronic test equipment specifically designed for TV service and the skills to use the test equipment. I wish I could tell you there was a quick fix or button to push that would fix the TV but that is not the case or the solution needed to get the TV operating correctly.

Good Luck!!

Thanks

Posted on Jul 17, 2009

  • Mukesh Kumar Jul 17, 2009

    Yes sure... unplugging the TV for an hour will do a hard reset.....

    and many time it works......

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