Question about Protron PLTV-37 37 in. LCD Television

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Protron 37 Hi Jaime, please explain to me what the power supply is and will I be able to explain this when I bring it in to be fixed?

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The power supply is the circuit board that helps the LCD to turn on and provides different voltages to make it work properly. If the voltages are not working properly due to defective parts, it will fail to turn on.
I hope the technician will be able to fix it for you or find a replacement for you.
Good Luck.

Posted on Aug 14, 2008

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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 :)

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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.

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The proton will not turn on and the light is yellow. How do you fix it?


The yellow light is on means that you at least have the standby 5vdc power supply section is working, look at the rest of the output of the power supply, you should have 12vdc, and 24vdc. It can be that the main controller is not sending the turn on signal to the power supply to turn on the 12v and 24v power supply sections. Start checking. You can get parts here: http://www.shopjimmy.com/catalogsearch/result/?q=Protron+PLTV-37+
Please post back what you find.

Dec 23, 2009 | 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

4 Answers

PROTRON PLTV 3750 POWER SUPPLY BOARD REPAIR


if you look at the power supply board you will see an aluminum plate remove the four screws and 9 out of 10 times it is a diode on the board that has gone out. go to radio shack and for 83 cents you can buy one the same size. I personally have tried all the diodes that they sell and all of them that are the same size physically will work. I have three of these tv's and all of them were the same problem. I replaced the diode in each with one of each of the same physical size sold at radioshack and they have been working like new since.

Dec 12, 2008 | Protron PLTV-37 37 in. LCD Television

2 Answers

Protron service manual


I do not have the service manual for this LCD. I've looking for it as well.
All my work is done without it.
I'm sorry colega i could not help you on this one.

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1 Answer

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

2 Answers

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Thanks

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