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47mf437b Hi again,I had that whole tv apart. no other fuses.and nothing wrong that i could see. I am in the same boat you were,no manual either. I am thinking i might have to have a pro look at it =(

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  • cuz8190 Sep 09, 2008

    I now have the manual if it would help

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  • 505 Answers

Yes i guess so im sorry i still cant find any manuals

Posted on Sep 05, 2008

  • yes pro would be more helpful as i still cant get a hold of the manual

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Magnavox 47MF437B/37 works fine until turned off. The red standby light comes on but the TV will not turn back on again. I have unpluggged the TV then plugged it back in again. Sometimes the the TV will...


Hello,

power supply board is dead, u know basic electronics' and soldering? Most of the times, the power supply board just have dead leakages gases capacitors.These capacitors always bulges up on it top,or puff up on it top.Replaced these gases leakages capacitors will get your TV power stable,and work again.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.

Hope it work with the solution

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The red light in the bottom left corner keeps blinking and it wont turn on. Yet when i unplug the tv and plug it back in the blue light comes on but then turns into red light blinking again and it wont...


Ur tv power supply board have dead componnents call capacitors.These capacitors are leaking gas,and it bulges up on it top or puff up on it top.These capacitors parts are dead,they must be replaced.U know basic electronic's and soldering?Take ur tv aparts,the board where the power cord plug into it.That ur power supply board,searches all around for these dead gas leakage capacitors,replaced them.Ur tv power LED light will be stable and the tv power will work again.Or tries websites like Shopjimmy.com,ebay.com to buy a whole reburbish power supply board for the replacement.

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3 Answers

Power Light


The most likely failure is the main power supply. You may be able to identify it with the following instructions:
Unplug your set overnight to allow potentially hazardous voltages to discharge, remove the back panel of the set so you can see the guts.
Look for a smaller board with larger parts on it; some cylindrical (capacitors), others block-like and relatively large (chokes and transformers).
You should also see a relationship between the board and the incoming AC.
Check the board for a label or if not present, a stamped-on number.
Call the manufacturer's service center with your TV model number and the number found on that board and inquire about repair/replacement costs; if both are offered, they won't be that much different.
If you must buy a new board, don't dispose of the failed one as there are smaller companies that can repair it for less than the mfr. and then keep it as a spare as this problem will likely arise again.

Unfortunately, the Magnavox name is owned by the Japanese Funai company which is known for poorly designed and not very reliable products.

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