Question about Panasonic DMR-EX75EB-S DVD Recorder/HDD Recorder

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No signal for new SBS channel

SBS in Syndey Australia has just changed their frequencies. When I retune my Panasonic DMR-BW780 blu-ray it says no signal

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  • cdavis932 Mar 24, 2014

    I can receive all other channels. I used to be able to receive SBS on channel 3, as I can on my Samsung TV, but I can only find SBS way down at channel 350 on my blu-ray recorder. My set top box from Dick Smith didn\'t even need retuning.

  • cdavis932 Apr 18, 2014

    SOLVED: I had to reset my unit to "Shipping Condition" then auto search for all channels. I did however lose all my recording programs. Thanks for your assistance.

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2 Suggested Answers

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Posted on Jan 02, 2017

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BElectric
  • 1140 Answers

SOURCE: I bought panasonic blu-ray dvd

Hi there,

The best way to improve signal strength and quality for digital TV is to upgrade your aerial/antenna and fit a signal amplifier. This is fitted with the aerial and is not to be confused with the signal boosters available from electrical and TV retailers. Boosters are not recommended for use with digital TV and may not even work at all.

I don't fully understand the relationship between your Blu-Ray player and digital signal strength. I presume the problem is with the quality of recordings?

There are many myths surrounding TV aerials. The most common being that an aerial with more elements and which looks like a NASA satellite (X-Beam) is going to give you a better signal. These are often described as "high gain" or "wideband". This is totally false. The best and correct type of aerial to use is simply one that is good quality and correctly matched to the bands of your local transmitter/repeater.

You should also note there is no such thing as a "Digital TV aerial". Shops and installers frequently use this term, but all they are selling is an aerial compatible with a digital signal. From experience, these are usually "wideband" aerials which can pick up all bands from any transmitter, however what this means in practice is that is does not provide good amplification for any band. In my trade, these are referred to a "bacofoil" aerials. "Contract" aerials are also very poor quality. These are usually fitted in new housing developments, bought in bulk and are the cheapest available.

The other essential is to use good quality co-axial cable. The greater the distance between your aerial and your TV the more signal amplification is lost. With poor quality co-axial cable - called "low-loss" - this amplification is further reduced and it is more prone to interference. The best type of co-axial cable is double-screened, copper foil with foam insulation. This costs only a few £/$s extra over a 20m run and is worth every penny. It is also more resistant to moisture penetration which is another common cause of poor signal.

I can give you a mass of further information on this subject. If you are in the UK, I can even check transmitter details and let you know which type of aerial to use and recommend specific products with prices and supplier details. If you are not in the UK, I can still provide further information and examples of products, but you will need to do a little research of your own.

The essential thing is to determine whether you actually a new aerial/cable/amplifier or whether there is some other cause of your poor signal. To determine this, I will need some more details from you regarding your current setup, equipment and how it is connected.

Hope this helps. Please reply to me from within this page if you need further assistance. This is one of my favourite subjects and I don't see many questions about this on FixYa. It would be a pleasure to discuss this in more detail for once!

Regards,
BElectric

Posted on Feb 06, 2011

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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.

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For specific model information visit
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Can not get any digital progams now that I have retuned my panasonic dmr-ex75eb dvd recorder. Am not receiving any digital signals


You may lose some channels when you retune the TV as the channels have been rearranged. To locate them look at the EPG although you may still find that some channels are no longer available on FREEVIEW. See the following link for additional information

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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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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