Question about Magnavox 37MF437B37 37 in TV

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Power light blinks 4-5 minutes before turning on now wont come on at all

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That is a very common indication of failing filter capacitors in the power supply board. When the capacitors can not hold a charge right they prevent the power board from starting up until they build up a charge. As they get weaker they take longer to get the charge until one day they will not be able to hold any charge. Here is a link to information about what values of capacitors to change to get the board back up and running.

http://www.ccl-la.com/catalog/product_info.php?cPath=21_77&products_id=221


I hope this helps,
BuddyMc

Posted on Jul 17, 2012

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: th-50pz80u turns off for no reason

you can shove your premium assistance program , i spent 2000.00 already
tv shuts off for no reason...red light blinks 4 times ...stops...blinks 4 times....stops....etc....what can i do before taking it back??
this is a brand new unit....fantastic picture....fix my problem

Posted on Dec 14, 2008

petraman7
  • 1175 Answers

SOURCE: tv turns itself off after 2 minutes. the power

Hi...

Main power supply is overheating. Try getting it dusted out first then check into getting it serviced

Posted on Apr 22, 2010

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Tv not coming on has a blinking power button


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8_27_2012_9_01_59_pm.jpg

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1 Answer

Th-50pz80u turns off for no reason


you can shove your premium assistance program , i spent 2000.00 already
tv shuts off for no reason...red light blinks 4 times ...stops...blinks 4 times....stops....etc....what can i do before taking it back??
this is a brand new unit....fantastic picture....fix my problem

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1 Answer

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When the red LED blinks 4-times, it means one of two possible causes:
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It is best to take this television set to a repair facility and ask that the +13V power supply be repaired.
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