LED screen mosaic

Question

Hello,From time to time, the picture on the TNT channel becomes distorted to the point of resembling a mosaic of colors (the sound is also disrupted). I can't seem to fix this problem. I installed an antenna amplifier, but nothing works. Does anyone have a small idea about the probable cause? Thank you in advance.Configuration: Windows Vista / Internet Explorer 9.0

lascar78 · Accepted Answer

Thank you, Bernorenard, for such a quick response. I plan to consult an "antenna technician" soon. Have a good day.

Bernorenard · Answer

Hello
Your problem often relates to the quality of the signal received by your antenna. Adding an amplifier for digital terrestrial television often makes things worse rather than better.
It would be wise, as an investment for the future, to have the signal level from your antenna checked at your location; the antenna technician will provide you with tailored solutions for your situation. DIY antenna work is seriously discouraged.
Here are a few resources to read
www.tousaunumerique.fr
www.telesatellites.com option for individual terrestrial TNT reception
etc.
Good luck!

lascar78 · Answer

For Bernorenard: I forgot to mention that the TNT channels on my 3D TV are not affected at all and that it is the same coaxial cable that is connected (via a splitter) to the LED TV, which is the one experiencing this mosaic effect.

Bernorenard · Answer

Re small plausible explanation
We return to the quality of the TV signal; you have two TVs on the same antenna at your place. The antenna signal is almost halved, and one of the TVs has a slightly less sensitive tuner (yes, that exists) for weak medium signals, and sometimes it complains! (pixelation)
Solution: the TNT amplifier can sometimes make things worse rather than better. The installation can be reviewed either by a thorough examination of the connections Antenna > splitter two directions > TV
Low loss cables, shielded splitters, F connectors, no T-splitters used as a splitter
The antenna's power can be increased without amplification (antenna with a greater number of elements = higher gain), thus improving the reproduction of the signal on both TVs, one of which is unbeknownst to us less sensitive
A++

LED screen mosaic

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