Question about Philips Magnavox 42MF521D/37 Television

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Lcd power supply

Where i can find a power supply for lcd manganvoz 37"

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The tv turns on, but every so often the screen goes out for a few seconds


The bad or bulged electrolytic caps need change out on the power supply module, or just replace power supply. Go to www.partstore.com to purchase a new power supply.

Jul 25, 2011 | Philips 37PFL7332D/37 37PF7332D/37 37 LCD...

1 Answer

Yellow light on front is lit and the tv won't power on


This is due to the power supply. You need a full replacement as Protron power supplies are very difficult to diagnose/repair. Once you replace the power supply you will be good to go!


Please accept and rate if this helped :)

Mar 17, 2011 | Protron PLTV-37 37 in. LCD Television

1 Answer

When i turn on the tv the red light flashes 6 times repeatedly, what dose this mean?


Mean ur tv have a power supply board problems,tv is not getting correct power voltages from the power supply board anymore.That the board,where the power a/c cord plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.

Feb 28, 2011 | Philips 37" LCD-TV 37PF7411/12 37 in. LCD...

1 Answer

Where to purchase Power Supply Module/Board for Protron PLTV 37-C?


Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.

Jun 04, 2010 | Protron PLTV-37 37 in. LCD Television

1 Answer

Tv wont come on at all..push the power button.. nothing, use the remote..nothing, not even a flicker...please assist


hi..this is probably an issue with the power supply
of the tv.check the power supply.
thank u..
kindly rate my response..

May 09, 2009 | Protron PLTV-37 37 in. LCD Television

1 Answer

37 inch LG LCD won't turn on due to power failure


Power failures can cause all types of problems, have you firstly checked the fuse in the mains plug? If that is ok then it may have blown an internal fuse in the power supply board, these are there to protect the rest of the circuit from power surges.

Mar 04, 2009 | LG 37LC7D 37 in. LCD HDTV

1 Answer

37" LCD Flat screen


Yes it could and most likely is the power supply board. If you look at the capacitors on the board you may see some that appear swelled or puffed up at the top. If you see any that are puffed up they are leaky and replacing them may fix the problem. Some times if the Inverter board is bad it will not let the TV come on. a LED will be blinking. If you have no power at all it is most likely the power supply.

Jul 24, 2008 | Polaroid FLM-3734B 37 in. LCD HDTV

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Protron PLTV-37 37 in. LCD will not turn on with or without remote comcast provider


The capacitors on the power supply are probably leaking. If you can find a tech who still can do component leval repair he can replace the caps, and not the power board.. Much cheaper
The power supply is under rated and don't seem to last long. Maybe a couple of years... If higher voltage caps are used to repair it the longer it will last.

May 10, 2008 | Protron PLTV-37 37 in. LCD Television

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