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I have now lost all signal can you tell me what the problem might be?

I have now lost all signal can you tell me what the problem might be?

I have now lost all signal can you tell me what the problem mig
published on UK Free TV

The problem could be one of:

- the aerial has been moved or damaged;

- the cables or connectors that connect the digibox to the aerial are damaged;

- the digibox has broken.

If you have a "spare" digibox you use this to test the aerial connection. Can you still watch analogue TV OK?



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Comments
Tuesday, 17 February 2015
MikeP
sentiment_very_satisfiedPlatinum

10:46 PM

mike blackett:

The Sky box works off your dish so is unaffected by anything relating to your aerial or the feeds from that via your passive splitter that then feeds UHF signals to your TV sets. I presume the TV upstairs gets the Sky programme from your Sky box? Is that via a UHF connection from the RF1 or RF2 output on the back of the box? I also presume that your splitter has all the outputs connected to a TV set or box?

I would suggest that you firstly check all the UHF (not the dish) cables and connections to make sure there are no loose or faulty connections. You should also check that the cables are undamaged and that there are no short circuits in the cabling.

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MikeP's 3,055 posts GB
Wednesday, 18 February 2015
C
catherine birch
5:35 PM

I have a problem with my freeview tv reception. the slightest movement near the ariel socket disrupts the sound & picture, & every now & then I lose channels entirely. The landlord who owns my property is responsible for the fitting & maintenance of the arial & other equipment, & I can`t afford to buy stuff for myself. Iv`e had people come round to check it, but they say that nothing is wrong with the arial. What can I do to fix these problems?

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catherine birch's 1 post GB
J
jb38
sentiment_very_satisfiedPlatinum

7:59 PM

catherine birch: Should the socket referred to be the one fitted into a wall plate?, if the jumper lead connected into the socket is known to be OK, then remove the plug from the socket, and in the centre of the socket you will see the small circular piece of metal that grips the centre pin of the plug that's connected into it, this can slacken off through time resulting in problems of the type you are complaining of. All that's generally required to rectify the problem is to carefully squeeze the circular centre piece slightly together just enough to give the plug a good tight fit. This procedure also applies to TV's or boxes aerial sockets.

If the aerial socket referred to is neither of the two mentioned, then please say what they are.

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jb38's 7,179 posts GB
J
jb38
sentiment_very_satisfiedPlatinum

11:18 PM

catherine birch : In addition to that said. Erratic reception can also be caused if the incoming coax cables copper core retaining screw, on the "rear" of the aforementioned socket, has not been sufficiently tightened at time of installation, problems usually only being experienced after a period of time once that the copper core starts to become slightly oxidised.

Once again, the problem being easily resolved by removing the wall plates two fixing screws, then easing the plate from the wall just enough to be able to check / tighten the cores retaining screw with a small screwdriver.

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jb38's 7,179 posts GB
Thursday, 19 February 2015
T
Tina
6:47 PM

Mike b aerial fine and booster had the checked!!! Give me some credit

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Tina's 1 post GB
M
mazbar
sentiment_satisfiedGold

7:20 PM

Tina when you had your aerial and amplifier checked what did the aerial engineer tell you the problem was.

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mazbar's 381 posts GB
M
MikeB
sentiment_very_satisfiedPlatinum

8:16 PM

Tina: But if your still getting 'no signal', which means thats there is a fault somewhere in your system..

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MikeB's 2,579 posts GB
Friday, 20 February 2015
J
jb38
sentiment_very_satisfiedPlatinum

12:00 AM

Tina: As you are located in an area notorious for poor reception from the Sandy transmitter, the problem basically being caused by the signal path from this station being obstructed from just over 1 mile or so prior to your location, line-of-sight blockages close to the reception area being the worst possible situation and generally resulting in any signal that is received not being particularly much above the lower threshold for reception, a situation not being helped any by the fact of numerous trees seen dotted around the area, trees being another thing detrimental to Freeview reception.

Have you made any local enquiries in order to ascertain if others are also suffering from similar problems with reception? although in areas such as yours reception can change over a relatively short distance such as from house to house, or even between houses facing each other across a street.

However, as mazbar (a professional aerial installer) has requested, it would be interesting to know the aerial installers findings after having checked your installation.

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jb38's 7,179 posts GB
Sunday, 15 March 2015
L
Lee s
11:32 AM

Hello, I just need a few pointers really. My freeview tv reception went dead on Friday evening. I checked the psu supply from my masthead amp which is fine - turns out that there was no signal passing through the masthead amp, maybe due to a fault. I've replaced it and I now have most channels working. I'm missing all of com4 mux and also psb2 mux has a very dodgy signal quality which keeps dropping out. Am I right and thinking that after checking all connections, that there may be a prob with the aerial? I had it fitted just over 2 years ago. Maybe a prob at the aerial end caused my original amp to short out?

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Lee s's 2 posts GB
J
jb38
sentiment_very_satisfiedPlatinum

2:00 PM

Lee s: Aerial amplifiers of the mast head variety cannot really be damaged by anything, about the only exception being in cases where its aerial input circuit is subjected to a high level burst of static discharge during thundery type weather, however, in most cases amplifiers simply fail through a defective component.

As far as your missing COM4 is concerned and also your dodgy PSB2, your problem "might" be caused by your TV or box having locked onto a transmitter other than the one deemed as covering your area, however this cannot be checked out with having knowledge of your location, this preferably being in the form a post code or one from nearby, e.g: a shop / post office.

Further advice dependant on feedback.



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jb38's 7,179 posts GB
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