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Magnavox 37mf33id 37 tv cut off will not turn back on green light

Tv cut off i unplugged for awhile plugged back in no only green light on front of tv flashes when you try to turn on no picture or sound any solutions?Won' turn on when turned off. Left it on. This morning, it is off and is churpping.

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If you know what you are doing, and you are good with technology, you can open the tv and check for any blown fuses or capacitors that may be stopping any power from going any further. Also look at the green light on the front of the tv and see how many times it blinks consecutively. Then look in the manual and see what it says the problem is.

Posted on Feb 22, 2009

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As you already know it is power supply problem in your TV.
You can buy power supply from Shop Jimmy.
Please call there and ask availability as currently not in stock.
Good luck.

Posted on Feb 22, 2009

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Hi and welcome to FixYa,

The chirping is very significant, it indicates that that power supply is inoperative. This could be:

  • a faulty power supply; and/or
  • a circuit load is using too high current and therefore the power supply has shut down.
Corrective measure to eliminate guess work would involve measuring resistance and then voltage checks on key/test points referencing a service manual or at the very least a schematic diagram. It would also require familiarity with electronic components & circuitry, the use of a DVM and a soldering iron. Should you be uncomfortable performing a DIY (do-it-yourself), then perhaps your best bet would be to seek the services of a qualified professional.

If you are considering a DIY and feel comfortable working with live and high voltages, pls post back.

Good luck and thank you for using FixYa.

Posted on Feb 22, 2009

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You have to change power supply board ...

Posted on Feb 22, 2009

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Hi!
I have a question, did you leave it unplugged for at least four hours?
Is there any burnt smell?
Do you pets?
So far it is leading me to believe that it is the power supply blown.
That costs about $150.00. Sears can fix it but charge $100.00 which is aplplied to total cost of repair.
Keep me posted please.

Posted on Feb 22, 2009

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Hi

Please check for the cables at the back.Have you suffered from any power outage recently?Also try to plug it into a different socket and check if it works.

Posted on Feb 22, 2009

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Posted on Jan 02, 2017

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