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Mitsubishi model w62528 wont turn on timer light blinks for about one minute then status light stays on

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  • fly0823 Apr 17, 2009

    thank you for your reply. The tv has been unplugged for awhile i got it from a friend who gave up on it so i figured i give it a try. There is nothing connected to it so if you have any further suggestions im all ears!! I am quite handy so if you have anything for me to check i'll do my best..

  • fly0823 Apr 17, 2009

    Thanks for the reply Robert i will check that board as soon as i can get it out. I will let you know how i make out. Once again thank you for your help. If you have any advice on how to get the board out it will help. Thanks again.

  • fly0823 Apr 18, 2009

    Thank you for your reply where can i buy the main board???

  • fly0823 Apr 19, 2009

    Thanks for the links but no luck so far,it seems the boards are in high demand!!! If anyone has a pic of the board that is giving me the problem it would help since i have the whole unit apart.Thanks again

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Http://www.datamanuals.net/Mitsubishicomp.htm

help takeout from this site it will be guide you complete..

Posted on Apr 19, 2009

  • Aftab Nawaz Apr 23, 2009

    please rate it kindly if your problem is solve

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Hi Fly0823,

The power supply could be failing, capacitors and resistors dry up over time, especially in TVs and monitors that are on and warm all the time. The click you are hearing is some sort of protection mechanism, much like a circuit breaker, that will shut things down if too much power is coming through so the rest of the electronics don't fry. The DIY way would be to get schematics for your tv, grab a volt meter, and open her up. Most power supplies have labeled test points for a ground, +5, +12, etc. when powered on. And when not powered on you can check the resistance on the various resistors to see if any have failed by using the resistance mode on a voltmeter and touching your leads to each end.

You can purchase new power supply board from :-

http://www.ebay.com

However , i would advise you to repair it.If you want to purchase a new board, that might cost you more than 100 bucks.

This is time consuming and even if you call tech, he might charge you anywhere between 300 - 500 bucks.

So, my best bet would be if you can repair that it's fine, unless purchase a new one. Because even if you spend a lot of money, it wouldn't give you life long pleasure. These are monsters so it might cause some more issue's within one year ( that's what i have seen on an average )......
You ca purchase service manual that would help you to repair that. Here, we can tell you you need to check board and so, However, the instructions with diagram and moreover, the way of troubleshoot should be given in the manual.

The link for the manual would be :-

http://www.asm-service-manual.com/Manual/Mitsubishi%20Service%20Manual%20and%20Schematic.htm

You can also buy a repair kit.You need to contact the below site whether they have a repair kit for your model or not.

http://www.electronic-repair-kits.com/

I hope i have given you enough infomation to fix the issue.

Thanks for using Fixya.

Do rate the solution as "Fixya" if 100% satisfied.

Posted on Apr 18, 2009

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This is a main board issue, the part is around $400, then u install it and the TV must be set up by a technician, it is not plug and play, then a year later another issue and so on, Mitsu TV's are very expensive to repair and once they start to fail they keep doing so until u have more than spent the price of a new much more reliable LCD big screen, these have better picture quality and are cheaper to operate.

Posted on Apr 17, 2009

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Have a look on the circuit board especially around the power supply section for bad capacitors. besides visually inspecting them... run your finger across the tops of them.... if they feel swelled up they should be replaced.... replace every bad capacitor you find....and it should work. i just finished fixing an lcd monitor with bad caps.... 5 were gone.


Robert

Posted on Apr 17, 2009

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The lights are not any known error code pattern.

The TV is on protect mode.

Try first leaving the TV power cord unplugged for some times, let say one hour or so.

Also ensure that the fault is not coming from a faulty receiver box sending bad signal, check if you get same problem with no receiver box or dvd connected.

If that does not work, and you keep having a flashing led on front of the TV, and tv turning off by itself after a while, that indicates a fault condition.

The flashing light indicates a diagnostic state called protection.
When the TV goes on protection there are only two possible reasons.

1The internal circuits are jammed because of electrostatic charges accumulating on capacitors, or because of a wrong voltage read by the main chip on your monitor controller board. this started the protection circuit.

2 The protection circuit detected a wrong voltage or abroken contact, identified an internal fault and kicked in , startingthe flashing light.


If you are in situation one, then theTV will reset just unplugging power cord for one or two hours,sometimes even minutes.

If you are in situation 2 , then there is an internal fault.

Common faults that can occur are a blown capacitor on power board, a convergence IC has blown, or a fault on Digital board.

Check also the video cable or any external connection cable, if the cable is shorting, or the connector is bad, you can get same flashing state because of the video cable.


If under warranty contact the manufacturer ringing the number on the user manual

If you want to repair at your own expenses, just locate any good qualified repairer.

Posted on Apr 17, 2009

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If TV stays in stand by with audio but no video, then common faults are the ballast board, or a fault on digital board.

If the led stays blinking , and tv turns off then the TV is on protect mode.

Try first leaving the TV power cord unplugged for some times, let say one hour or so.

Also ensure that the fault is not coming from a faulty receiver box sending bad signal, check if you get same problem with no receiver box or dvd connected.

If that does not work, and you keep having a flashing led on front of the TV, and tv turning off by itself after a while, that indicates a fault condition.

The flashing light indicates a diagnostic state called protection.
When the TV goes on protection there are only two possible reasons.

1The internal circuits are jammed because of electrostatic charges accumulating on capacitors, or because of a wrong voltage read by the main chip on your monitor controller board. this started the protection circuit.

2 The protection circuit detected a wrong voltage or abroken contact, identified an internal fault and kicked in , startingthe flashing light.


If you are in situation one, then theTV will reset just unplugging power cord for one or two hours,sometimes even minutes.

If you are in situation 2 , then there is an internal fault.

Common faults that can occur are a blown capacitor on power board, a convergence IC has blown, or a fault on Digital board.

Check also the video cable or any external connection cable, if the cable is shorting, or the connector is bad, you can get same flashing state because of the video cable.


If under warranty contact the manufacturer ringing the number on the user manual

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