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32L T75 ,THE SCREEN FREEZES ON A NUNEROUS OCASSIONS, HAD TV MEN OUT WHO SAY ITS A POOR SIGNAL QUALITY ON AERIAL, THEY SAY ITS THE TV HARD DRIVE, AT A LOSS

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Posted on Jan 02, 2017

SIGDOM
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SOURCE: tv-- signal strength normal but

When ever the picture freezes intermittendly the problem is usually poor connection on the signal line (antenna or connection on tv) or poor reception. Could be the tuner if the tv has one.To eliminate the tuner possibility try anther tv set if possible.
If you still cannot figure out the problem,let me know what kind of set up you have connected to your tv set.
Do you have a satellite or cable box and if you have splitters.

Posted on Jul 19, 2008

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I cant get clear pictures on my other televisions,am on extra view


If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/

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Very poor picture quality on LG 42" SMART TV 18 months old


This is probably due to poor quality cable or connections from the aerial. Digital TV needs better quality in both (F connectors and quad shield cable) than analogue TV did.

If all that is good then you may need a better aerial or even a signal amp.

Apr 13, 2015 | LG Televison & Video

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Will not tune in channels on auto store


Well, there's your answer then. You have poor aerial signal so the TV cannot lock on when tuning. You need to sort out the reason why there's "Poor or No Signal" You need to fix the aerial, not the TV. I would have thought that was self-evident, surely?

What kind of aerial are you using. Do you know it works? Check out the aerial cables for breaks or badly fitted connector plugs.

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Why does my digihome freeview+ box freeze?


buy an aerial signal booster & everything willbe fine

May 08, 2012 | Televison & Video

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My neighbourgh can get freeview tv just using his old ariel, i on the other hand can not. have i done something wrong with the tv set up. thanks


Probably not. Freeview signals are hundreds of times weaker than the old analogue signals, so will show up every single problem on a badly maintained, badly installed old external tv aerial.

In most areas, a tv set-top aerial is a waste of time and even a loft aerial may have problems. Any aerial system which is not direct from the external aerial to the tv can also suffer problems, as each Y-splitter and joint wastes an awful lot of signal.

Your fix is to get a proper modern aerial system fitted. If it's well designed and installed with the proper parts and cabling (does not necessarily mean most expensive) then it should last for another 30 or so years and ideally won't need signal amplifiers.

Note that although your neighbour gets reception, he probably suffers regular picture break-up, freezing and /or pixellation especially in poor weather unless the aerial was in top condition beforehand and was relatively modern.

Jul 12, 2011 | Televison & Video

1 Answer

Picture Freezing on Flat Screen TV


The symptoms you describe are indicative of a weak signal. If all your connections and cables are in good order, then you may need to either adjust your aerial or place a booster into the system.
If you have had no problems up until recently, it would suggest to me that something has changed to cause this. The normal problems are corroded connections at the aerial, or the aerial has rotated due to wind etc.
If you choose to put a booster into the aerial system, put it as near to the aerial as possible.
If you already have a booster in place, is it working?
Regards
Zahc

Jun 15, 2010 | Televison & Video

2 Answers

Digital TV problems


You are suffering from a poor signal. Digital TVs will display 'blocking' (partial freezing of the picture in square or rectangular blocks) or total freezing of the picture, when the signal is too weak.

You don't say if this is a recent problem on a set that has been working correctly - that info. would be helpful. However, things to check include:

Has the aerial moved (wind?)
Are you using a new extension coax cable? If so try another one, as connections may be faulty.
If this a new TV, and you have not used digital previously, your aerial may not be high enough gain for a digital signal, but that is unlikely unless it's a nery old aerial.

Feb 28, 2010 | Philips TV Tuner Video Capture PCI Card -...

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HAVE GOT A SWISSTEC 15 INCH TV BUILT IN FREEVIEW, BUT CA NOT GET ITV 1 OR CHANNEL 4 ON IT. HAVE TRIED RETUNNING BUT NO GOOD


The model number would usually be on the back of the TV but in this case it's immaterial as Swisstec appear to have had a very brief existence. Their website no longer works (skymediamanufacturing.com, no connection to Sky satellite tv) and the few products which have their brand name on all seem to be at outlets like ALDI and Makro which often specialise in clearance lines and bankrupt stock.

First, check that your missing channels haven't been shifted to 801, 802 etc. This is happening with some equipment and it's just how some slightly incompatible equipment handles the retune.

What you have said about your aerial system does not eliminate the possibility of an aerial fault; as you're running multiple items off one aerial I'd fully expect it to be a high gain aerial, but this does not necessarily mean that it's a wide band aerial. In addition, each time the signal from a single aerial is split there is typically up to a 10dB loss (around 60% each time). Regular analogue reception equipment can cope with this far better than Freeview receivers as the analogue signals are vastly more powerful than the digital ones. One of the most important UK transmitters puts out a 100kW (i.e. 100 000W) analogue signal along with an 800W Freeview one making the analogue signal 125x stronger at the transmitter and far weaker further away.

Realistically, you have limited options. Most Freeview receivers have an onscreen menu in the digital tuner which has a signal strength and quality meter for each channel. If most of the channels have a middling signal with good quality then your reception is most likely ok so look at the aerial cable at the back of the set to see how long the plug into the back of the tv is. If it's longer than about 2cm then it probably has an in-line suppressor fitted onto the end of the plug. Usually there's a marking of either 6dB or 10dB on the suppressor. Remove any suppressor and try retuning.

If that didn't work then check as much of your aerial system as possible paying special attention to the plugs and splitters. No plug should be showing any bare wire, and the external screening braids must not be touching the internal signal wire. You'll probably have to undo each plug to check for this and remake any shoddy work. If you have aerial splitters which are the push together variety then check the connections are tight. Also consider replacing them with the screw threaded F-terminal splitters which all professional installers use. These cost very little more than the useless things sold in most DIY stores and general retail outlets but hugely reduce signal losses. I've posted an online address of a supplier at the end of my post, but you can also get them from your local Maplin store usually at extra cost.

If you have an amplified aerial then try disconnecting the amplifier. These are often inappropriately fitted and cause digital signal meters to show the confusing message of a strong signal with poor quality. A good quality weak signal can be successfully amplified but a poor quality signal requires a better aerial installation.

If you have eliminated all doubt regarding your aerial then the fault is most likely with the receiver itself. The official advice is to try retuning but you've almost certainly done that. There is a list of equipment known to have problems with the retune (see second web address) but it's not comprehensive and misses out minor brands like Swisstec. Clearly you cannot contact Swisstec and they are in no position to rectify the problem themselves any more. Under these circumstances your only remaining option is to buy a new external receiver from around £20 and connect it to your tv as if it never had an internal receiver.

Note that the UK Sale of Goods Act was recently amended to allow purchasers up to six years protection against goods which are not of "satisfactory quality" (replacing the earlier term "merchantable quality"). You've had your tv for eighteen months and the tv itself still works, but as a super-budget unknown brand it's doubtful that you could press your rights regarding the failed Freeview receiver.

Sorry this is not the easy fix you were hoping for but I hope that it's been of some assistance.

1st web address. Supplies and excellent general aerial advice.
http://www.aerialsandtv.com/ampsandsplitters.html

2nd address. List of known incompatible equipment. Not really of use to you but at least shows you're not alone...
http://news.bbc.co.uk/1/shared/bsp/hi/pdfs/01_10_09_freeview2.pdf

Oct 09, 2009 | Televison & Video

1 Answer

Tv-- signal strength normal but signal on all channels "blipping" down intermittently causing freezing of picture. Have replaced aerial with high gain antennae together with aerial cable and...


When ever the picture freezes intermittendly the problem is usually poor connection on the signal line (antenna or connection on tv) or poor reception. Could be the tuner if the tv has one.To eliminate the tuner possibility try anther tv set if possible.
If you still cannot figure out the problem,let me know what kind of set up you have connected to your tv set.
Do you have a satellite or cable box and if you have splitters.

Jul 11, 2008 | LG Televison & Video

1 Answer

Plasma TV


If you mean the picture froze or formed fuzzy pixelated picture and crackling, this will be due to a poor aerial signal to the tv, but if you mean the screen rolls with pink/white patchwork type squares and shows the picture in the background, all be it fuzzy, then that's the same fault as I am getting and have had to report the fault to LG as I am on my second TV. If it is the problem mentioned in the first sentence, it is happening to our friends in OS and they have been told by specialist aerial fitters, the signal is too weak for the tv.

Mar 16, 2007 | LG 50PX4DR 50 in. Plasma TV

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