Question about Protron PLTV-4250 42 in. LCD Television

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Protron PLTV 42 IN issue

I have had this set about a year and when I turn it on the power light comes on (green), then turns orange then back to red as the power cuts back off. I read on another post where you can take the back off the tv. Is there a part I need to replace and where do you suggest to find. Any help would be greatly appreciated. I dont want to throw it out.
thanks.

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  • guitarjoem Jan 28, 2009

    I have the same issue. I was watching TV and suddenly the picture went out. I noticed the power LED switched from green to red. I've tried unplugging the TV and going direct with the cable to no avail. When I turn on/off the TV my surround sound box sees the HDMI signal change and turns on/off the audio signal as expected. The select button on the TV does nothing. I can't change modes and I have no video. When I first turn the TV on The power light goes from red to green to red and stays there. I've had this TV for less than a year and don't know what to do. I can't find my original receipt and don't wanna drop another grand on a POS TV.

  • sirving290 Jan 29, 2009

    exact same problem - but reading through some of the other issues posted here, the following makes sense:

    PEOPLE, IF YOU SET IS NOT TURNING ON BUT THE LED COMES ON, IT IS NOT YOUR POWER PLUG. YOU HAVE A BAD BOARD INTERNALLY. A SERVICER IS REQUIRED TO DETERMINE WHICH BOARD TO REPLACE.

    its likely that we'll have to discover where to locate replacement parts for this POS.

  • Anthony Gonzales May 11, 2010

    MOST OF THE NEW UNITS THAT ARE HD READY ARE BOARD LEVEL REPAIR. I WOULD SUGGEST CONTACTING PROTRON. GOOGLE IT. BOARDS CAN BE PRICY. THE ORANGE LITE IS PROBABLY AN INDICATOR AS TO WHICH BOARD THE PROBLEM IS ON.

  • THERESA ROBINSON Aug 04, 2012

    i have the exact same problem with my 42in protron PLTV-4250

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I've taken the TV off the wall, removed the cover, cleaned the entire power supply and cleaned all the contacts on all the connectors. I then noticed while reassembling the TV that the metal chassis with all the connections on it did not fit well nor make a strong connection to its data plug.
I then pulled the cover off this chassis and carefully made sure the connector installed snugly, then I tightened the chassis in place. I then reinstalled the chassis cover.
Now the TV seems to be working without issues. It's been two weeks now and all seems well.
As I understand it, when you hit the power button the TV performs a basic diagnostic and in the event an issue is detected the TV powers off, e.g. the red/green/red LED scenario. I believe my problem was a weak connection to the interface chassis, as my TV failed intermittently for a week or so before it completely failed, prompting my above actions.

Posted on Feb 19, 2009

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I have had the same problem off and on since I purchased my protron 42" lcd. I have found that if I hold the power button to the tv a little longer, I rarely have the problem. Hope this helps.

Posted on Feb 18, 2009

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