Question about Protron PLTV-26 26 in. HD-Ready LCD Television

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Speakers maybe... i bought this tv used and i turned it on for 5 mins and heard a buzzing sound ,and the tv had no signal and the volume was muted.can u help me

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Re: speakers maybe...

Re: Protron LCD tv - READ THIS #631 I work for Protron.

We are in a big dispute with the Chinese factory that makes Protron LCDs. No replacement parts will be coming, ever.

There are no remotes and no power supplies available.

PROTON has already won their lawsuit which prevents us from selling under the name PROTRON. As soon as they pay the bond, we are shut down.

Our management is in chaos. Our customer service dept is non-existant. Our rating with the BBB is 'F'. The product is cheap because it is made with cheap parts. Getting the picture here?

If you buy a Protron LCD, you are completely on your own.

Good luck.

Posted on Feb 09, 2008

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Hi there I have had the Tv for 5 years and it's

I would first check any of your inputs (i.e. cable, satellite, DVD player, ect...). If you hear this buzzing sound regardless of what input you are using, then it has to be the TV. If it's the TV causing it, audio is produced on the main board or A board named by Panasonic. It is the board that has the A/V inputs on it (cable, HDMI, component). This model has 2 different main boards it could use either TNPH0721ACS or TNPH0721ATS. As a TV repair technician, I often use Tri-State Module and would recommend them for parts. If you don't know which board you need, their customer service is helpful. I hope that helps.

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I have a 42 inch Hitachi plasma tv that is making a very loud static noice coming from the internal speakers. It stays at a contstant very loud volume unless I completly mute the tv or turn the volum

Based on what you have tried if a buzz or loud static via the speakers you have something wrong in the audio output circuit of the set--problem here is that circuit may be part of the Main board that processes all signal---a look inside---following the speaker leads back would lead you to that board.

A simple thing to do to narrow it a little (you may have done this) is with sound all the way off put your ear to the internal speaker--hear anything at all like a deep hum?

Depending on age of set and cost of the board likely bad it may or may not be a do it yourself repair.


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I would take it back unless you have time to investigate the problem before the return policy expires.

If the sound is coming from the speakers then it is interference and would likely happen with another TV.

The interference type can be electromagnetic or radio frequency, both of which can be defeated.
Start with plugging it into a different outlet. If that doesn't work, then unplug anything from it one device at a time to see which thing is the culprit. If it is one of the devices, move any audio cords away from power cords and/or position the device further from the television.
Household appliances and fluorescent lighting also can cause signal interference in electronics that is audible.
A device known to help with such interference are power line conditioners from such brands as Tripp lite, and ferrite clamps. You can place ferrite clamps on the power cords of your devices and their analog audio connectors.

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I have a 15'' Magnaox flat screen TV that is about 5 years old. It was unplugged for about a month while I was away on trip. When I returned, the picture is fine but there is no sound. It's not on mute and...

If the speakers make no noise at all they could have failed if you hear a slight buzzing noise then there speakers will still be fine. contact magnaox they will help you better than anyone here :D

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