Question about Protron PLTV-4250 42 in. LCD Television

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No sound on some channels

We cannot get sound on the following channels 9, 10, 19, 24, 26, 37, 46, 48, 51, 52 56, 72. We will get sound for about 1/2 a second and then it is mute. Bought the TV about a year ago at Sams.?

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  • Anonymous Dec 28, 2008

    Both the sound and the picture keeps cutting out, this TV is only 2 years old. What's the problem???

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  • 267 Answers

CHECK YOUR SAP. tHE SECOND AUDIO PROGRAM IS PROBABLY TURNED ON.

Posted on Jan 16, 2009

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Sounds like you need to check if the tv is set to the right region.as BBC is region orientated.

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Not familiar with your model, but the problem sounds generic. I am guessing your set is hooked to a cable tv box, and that is where you need to change channels. I also guess that when you changed channels on your TV you probably moved from channel 3 to either channel 2 or 4 and the cable tv box is not sending to those channels so you lose picture and sound. Now, more guessing, you try to put the channel back to 3 on your TV, but still nothing happens. OK, if close so far, there are a couple of things to try. First, be really sure you are actually going back to the same channel you started with. Assuming you don't actually have the signal coming in on an auxiliary line-in and that you had it coming in on a channel, you may need to reset the presets on the television so that it recognizes the one important channel the cable tv box is sending out -- just follow your television menu to select or set channels. There is one more possible easy problem ... I have seen this one happen, after getting the channel correct and reset, if it still doesn't work, you mght need to turn the set off and wait one minute, then turn it back on WHILE the cable box is ON. This can cause the set to RE-Latch onto the cable box signal. It really doesn't sound like something is truly broken or needs replacement, sounds more like a user error. If your set is still under warranty, just call the Panasonic hotline (find it in Google, and they may be able to walk you through exact instructions for your model). Hope this helps.

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How do I retune my Panasonic Viera TV?


Hello
To tune your Panasonic Plasma to on air TV channels do the following:

Connect the antenna connection to its antenna in at the back panel.

Automatically searches and adds available channels to the memory.

Select "ANT in"

Select Cable or Antenna Select "Auto"
Select a scanning mode

Auto channel setup
Select "Auto program"
Select "ANT in"
Select "Auto"
Select scanning mode (ALL channels/Analog only/Digital only

Start scanning the channels

Available channels (analog/digital) are automatically set.

All channels: Scans digital and analog channels

Analog only: Scans Analog channels only
Digital only: Scans Digital channels only
Confirm registered channels

If OK is not pressed after selecting "Apply", the channels will not be saved.

The channel will be saved when no operation is performed for 60 seconds and

the "Manual program" menu will also exit automatically.
If you perform scanning more than twice, previously saved channels are erased.

About broadcasting systems

Analog (NTSC): Conventional broadcasting

Digital (ATSC): New programming that allows you to view more channels
featuring high-quality video and sound
[Use "UP ' DOWN ' RIGHT ' LEFT] AND 'OK"] keys to selcet and proceed.

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How to initial The TV? Problem: Only one channel available when connect a cable right now.


Hello:
It sounds like you need to do a "channel scan". For the LG 26LX1D, you can follow these directions:
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If you are in Australia and have no sound on GEM and 7-Mate, follow the instructions here, to update the TV's (LG 50PB4D-AA) firmware. Once done you will receive sound on these channels.

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1 Answer

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2 Answers

Sound problem on Technika LCD19-907


The retuning process is as follows:

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If you wish to CANCEL the auto tuning process whilst it is processing then press the BLUE button at any time.

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http://www.freeview.co.uk/_retuneinfo/

If the above process does not work then check the link above for additional information and also visit the accompanying site links below to find more information for your model of TV / FREEVIEW box.

For troubleshooting the retune procedure visit http://tvretune.co.uk/troubleshooting/

For specific model information visit http://tvretune.co.uk/productmanuals/

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1 Answer

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Turn on the TV, and perform the channel auto setup.

Jerry G.

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