Question about Protron PLTV3250 32 in. LCD Television

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Atsc tuner not woring on my protron pltv3750

When i got the tv, i pluged the cable from the cable company and scan, but the tv froze.....since then i bought an outdoor antenna but the atsc tuner is no longer responding...only the blue screen with the words NO SIGNAL.....any help

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  • mburas Mar 02, 2009

    hi javwr,
    all the other inputs works, i want to watch ota channels,but the tuner is not responding

  • javswr
    javswr May 11, 2010

    Have you tried using any of the other inputs (RCA, s-video, vga etc..)?

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My tv has blue screen and the words no signal

Posted on Jul 24, 2011

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Hi!

Okay! Sounds to me that your tuner signal board is bad! This is not hard to swap out. You will need to take the case apart (back side unplugged power cord), save screws in sandwich bag for re-assembly.
You can buy this board at www.shopjimmy.com, use your brand and model number! I looked they have 1, for $74.94 plus shipping! Good luck, I hope this was helpful!!

Posted on Mar 02, 2009

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Hi Dwayne,

The Proton has an NTSC analog tuner and also an ATSC digital tuner. Have you tried switching or changing the SOURCE inputs?
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See page 9 of the manual.
http://www.manualslib.com/manual/323457/Protron-Pltv-4250.html?page=17#manual

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Looks like you'll need a converter.

Here's some background info:


Analog TVs were made up until 2007.

Digital tuners for over the air signals are called "ATSC tuners".

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As long as you have a ATSC tuner in the set you can use rabbit ears or an outside antenna like years ago. Look up your model number with Bing or Google and find a site that displays all the technical specs and look for equipped with ATSC tuner for Air signal.

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I do not know if you will get this message but if you do. Here goes. The protron PLTV3250 does indeed have a digital tuner that can be used with an over the air antenna. You need to push "source" on the remote until DTV is selected. With this selected and your coaxial cable from your antenna hooked up to the digital connector (not analog) on the back of this tv you can then press Menu and you will see a totally different looking menu that you are probably not used to seeing and then from there you can do an auto scan for the digital channels and it works great. I have rabbit ears hooked up to this Protron PLTV3250 and this has a beautiful picture. Far better than the picture I get from just the standard digital Directv receiver. You do not need a seperate digital tuner box to use with this TV. It does indeed have an ATSC digital tuner and it works great. You probably are selecting Source "TV" in the menu and that is not what you select for this TV to use the Digital Tuner. You need to select DTV from the source menu. Good luck and please let me know if you already knew this or if this helped you. Thanks, Tom

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1 Answer

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I have the same exact model tv...Love it...ATSC tuners is in definition an Analog tuner. As the broadcasting companies change over to Digital broadcasting before the deadline in Febuary 2009 more and more local or Non-Digital chanels are becoming obsolete. You would have to purchase a converter box for your tv if your not planning on getting cable. Another way to gois if you have an old cable line running through you house (no incomming cable) plug you tv into that jack. That also acts as a antenna. The sweet part of all this is that your tv do have a QAM tuner or Digital tuner built in just need that digital antenna to pair it up.

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Misubishi warrior 2 intermitant pic freezes 1 second or less


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The freezing of the picture denotes a loss of signal on a digital (Having a ATSC tuner) TV. If your TV is not digital (Having a ATSC tuner) then it is the device that you have connected to the TV (Cable Set-top Box, DTV Tuner, etc). In the likelihood that it is your TV I would suggest getting a better antenna first if that does not fix the problem you may have a tuner problem. However lets not look at it that way first. What we need to do is to determine if it is the TV of whatever you have connected to the TV.
First unhook the connection you have from the cable to your F connector of the TV (you should see snow or a blank screen) connect a antenna to the F connector of the TV, do you see a snowy picture or a clear sharp picture (snowy= NTSC tuner, clear-sharp= ATSC tuner). If the tuner is NTSC then check you cable device and the connection between your TV and the device and the cabling between the device and the wall. If the Tuner is ATSC then you will have to check all of your connections, and finally if the tuner is bad it has to be replaced by a qualified Tv repair shop.

I hope this helps,

Thank you,

Shuttle83

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