Question about Sony BRAVIA KDL-40S2010 40 in. LCD Television

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We have the following problem with our Sony Model No. KDL 40V 4000 CD Digital Colour TV. All channels are perfect except for SBS channels, Coffs Harbour Channel 10 & 1HD Coffs Harbour. We frequently experience pixilating reception (particularly evening). Could you please advise solution/reason. Regards DEBBIE WILLIAMS

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  • whu8 Mar 25, 2011

    Thanks for your advice.



    We have spoken to a bloke from Oz Antennas recently who says that there is an upgrade chip or card available that can be installed into the TV to increase the signal strength?



    Is this so? We aren't really technical wizards so are relying on experts to help fix this very annoying problem.



    The ironical thing is that the timing of the pixilation couldn't be worse - Just when his favourite programs are on!! So we'd like to get to the bottom of it if possible.



    I wait for your reply.



    Regards



    DEBBIE

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  • Sony Master
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Hi, well it is the "(particularly evening)" (sic) that gives me the answer to your issue, I feel, there are two possibilities. One that the signal is being degraded by something, some sort of interference is degrading your signal.

Now as strange as this may sound, it can and does happen,if you have ever experienced loss of signal due to a very heavy rainfall or storm, then you have experienced and extreme of what I am describing. Now as well as things like this we also have sunspot activity, very active ATM, also all sorts of "Other" interfering sources. Some may only come on at a certain time and remain for a certain time and stop, repeating daily, there are many factors that can cause and alter these things.

Now the reason that they usually don't interfere is that most often the signal strength is stronger than the interference, but in some areas that strength and interference levels may be very close and sometimes we get a sort of "Break through" which is what I think you then experience on your set, this would be especially so if the Channel being interfered with wasn't a BIG station, or far away, then the signal will no doubt be less than normal, making interference likely.

Two, The other reason is that there is a component(s) in the set that are being affected by a thermal fault, and they slowly degrade over time on,and eventually the component(s) start to fault, and effect the signal/picture , and this in turn is what is causing the problem.


OK what can you do about it? Well one at a time...

Well, relocation of the antenna may help, a higher one, if it's suspected that it's a weak signal, and turning it away from, suspected interference, and more towards the desired signal, here millimeters, can make a huge difference. Calling in an "Antenna Man" would be well worth the cost if this is what is suspected.

Check all connections on existing system, even a small amount of corrosion a bad connection etc, could degrade that already weak signal, so it all must be 100%.

The other possible cause, the thermally affected components, unfortunately, would have to be looked at by a professional. as it would take a skilled engineer to track down such a nebulous fault. In this case it may be preferable to "put up with it" until the set fails completely, or becomes unwatchable.

Well those are my thoughts...

Posted on Mar 25, 2011

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