Hi. I have an issue with my TV picture breaking up. Earlier in the year I had a problem with my broadband not working and was told I had low signal quality which could affect the TV as well. This was resolved but I'm thinking it may have come back again although internet seems ok. I was asked to post the downstream power readings from my router last time. So as before can someone take a look at the readings below and tell me if it's engineer visit time again. Ta.
Downstream bonded channelsChannel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID
Its lines of distorted picture across the screen that come and go - similar to how Freeview pictures go when the signal through the aerial is poor. It does appear on recordings too as part of the recording.
Yeah - that's pixellation. You've not mentioned whether those channels are the SD or HD variants. If you have only a handful of channels affected, it may be that they're on the same broadcast TX without your realising - a signal fault affecting one broadcast mux would affect all the channels on that mux.
It's as good a case for my stock answer to pixellation queries as anything...
Pixellated pictures on live TV are often the sign of a signal fault. If you've rebooted your box once, then there's likely a fault somewhere, so this will need VM to intervene. You're likely to need either an engineer visit or a replacement box, depending on what VM's remote diagnostics turn up.
You can check for known area faults using 0800 5610061, it's more reliable than the online status checker for street/postcode-level issues that poor signal tends to be. If nothing's reported, then I'd recommend reporting the fault - either by waiting on here, or calling into faults on the usual number.
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