Question about Protron PLTV-37 37 in. LCD Television

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PROTRON PLTV 3750 POWER SUPPLY BOARD REPAIR

HI DO YOU FIX THE PROTRON PLTV 3750 POWER SUPPLY BOARDS? AND IF SO, HOW MUCH ? MY EMAIL IS 00JAMIEJOHNSON00@GMAIL.COM THANKS -JAMIE JOHNSON

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  • envisionelec Jan 21, 2009

    I also have a PLTV3750 with a fried PFC diode. Replacing it did not help, but I would like a schematic/service manual before continuing into the rest of the circuit. Can you help? Please send to envisionelec@gmail.com thank you.

  • fuentestruck Jan 25, 2009

    turns on but shut off rightaway last about three seconds need help

  • Anonymous Feb 22, 2009

    After using the protron PLTV-3750 for almost a year, it powered off one day and will not come on again. Not sure is this is a power supply problem, there is no one local to look at it for they do not have the service manual with schematics. Does anyone have the schematics on pdf to share?



    please post to jpower@vianet.ca

  • johnnypow Feb 22, 2009


    We've had our PLTV-3750 for only one year now and it powered off one day and will not come back on. Not sure if it's a power supply issue, tried different outlets in the house, no go. No one local can look at it for they do not have the service manual with schematics. Does anyone have the manual in pdf they could share?

  • amylaurie1 Apr 16, 2009

    Hi Jaime867,
    I have the same problem as fuentestruck. TV turns on and picture lasts for about a second, then pic goes out though TV stays on. Do you have a solution? Thanks, Amy
    amylaurie1@yahoo.com

  • lancef Apr 22, 2009

    Protron PLTV37C 37" LCD Flat Panel TV need to find a power supply for it. I can change myself. I know the TV and this problem. I just don't want to trash it if I don't need to.

  • blansiquot May 02, 2009

    Bad power supply board for protron tv.[blansiquot@rogers.com]

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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.

Posted on Sep 20, 2009

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Well how does that help the rest of us? Post your answer here, dude, man.

Posted on Sep 01, 2009

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Just repair it here It will work better than new one.

Posted on Sep 15, 2010

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I've replied with the info to your email.

Posted on Dec 12, 2008

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1 Answer

Protron PLTV-3750 HDTV input won't work


My problem is the same as this: HDMI input don't work.
Could you please provide solution to me?
My email is mooda.hr@gmail.com

Oct 26, 2011 | Protron PLTV-3750 Television

1 Answer

I have the protron 3750 the power light is red when i turned the power on the light turned green for a few second then turned red again and nothing happened. can you help?


Tries unplug,replug the tv like an hour later,the tv,now will reset itself back to the factory setting,tv should work now.Not,than the power supply board is having problems,not giving wright voltages to the tv anymore.The power supply board,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.

Oct 25, 2010 | Protron PLTV-37 37 in. LCD Television

1 Answer

This one powers up, and displays for a second, but shots off after about a second.


U still have Sound?Or the power just dies?Tries websites Ebay.com,Shojimmy.com to buy the 2 reburbish LCD inverter boards,it a long boards,to replaced if still have sound.Replaced the 2 long LCD inverter board will get ur picture back.If power dies than buy the power supply board for the replacement.The power supply board is the board where the power a/c cord plug into it.

Jun 09, 2010 | Protron PLTV-3750 Television

1 Answer

My protron tv went off and won't come on pltv


Hi, most protons have power supply problems, the power supply is no longer available, but it can either be mailed in to a company called PTS to be rebuilt or you can attempt a component level repair yourself.
Most non technical people can not disassemble and solder there TV.
If you are comfortable soldering, you can open the TV and view the power supply (upper center section) look for any bulging capacitors (cylinder looking small components) sometimes replacing the swollen caps will fix your Proton, If any parts look burnt you will need to send the board to PTS to get it rebuilt , should cost around $100.
PTScorp.com can be found online here or bring the TV to a local servicer that agrees on a flat rate price to fix it
thanks'
Eric

Aug 12, 2009 | Protron PLTV-32 Television

1 Answer

Power supply 3750 protron


These cicrcuits boards are no longer being manufactured. The only option at this point is to get the defective power supply repair but most service techs do not want to fix them.
I can repair it for you but you will need to remove it and send it to me.
If you require further assistance, write to jah2mil@hotmail.com

Jan 24, 2009 | Protron PLTV-3750 Television

1 Answer

Protron pltv-26 power board


If you still the defective power supply, i can fix it for you.
Let me know if you need further assistance.

Jun 16, 2008 | Protron PLTV-26 26 in. HD-Ready LCD...

1 Answer

Same power trouble on Protron PLTV-3750


It seems like the voltage that is powering up the microprocessor is not working properly and the power supply will need to be service.

May 03, 2008 | Protron PLTV-37 37 in. LCD Television

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