My Freeview box has no EPG, is blank on FIVE, ITV3, ITV4, ITV2+1, has no sound o
To deal with the problem you must clear the channel list completely and then rescan - if your box has it in the menus, please the 'installation menu' to do an initial scan or a reset to factory settings or First Time Installation. You MUST delete the entire existing list of channels. On most boxes this technique can be also be used:
1) unplug your Freeview box (or idTV) from the mains;
2) unplug the aerial from the Freeview box by disconnecting the cable from the 'RF in' socket;
3) wait 30 seconds;
4) plug Freeview box (or idTV) mains back in;
5) do a complete scan for channels - it will fail without the aerial. (This may be in the installation or initialization menu, and is distinct from any 'add channels option'). Once this is done your channel line up should be empty;
6) reinsert aerial by reconnecting to the 'RF in' connection;
7) do a complete scan for channels again.
The Freeview channel line-up provided by six "multiplexes" - each of which carry five or more TV channels, radio channels, text services and EPG data. In this diagram each ROW represents a multiplex. If you are still missing a whole multiplex (ie everything on the row) you may need to replace your aerial with a wideband type, purchase a larger aerial or you may have interference from a VCR, games console, Sky Digibox or similar.
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Currently experiencing problems with tv channels 33,34,42 & 82 in that when watching live via my Humax HDR 1800t the picture freezes momentarily the sound remains constant, when watching a recording the problem shows up as a disturbance of the picture, these channels are shown as being part of Hannington channels 40 and 46 tv channels outside of these are ok. I have recently had a new tv ariel fitted. The signal strength is shown as between 89 & 92% on 40 & 46
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This sounds as though it could be some sort of interference, but it's slightly odd as you aren't experiencing (that you've mentioned) a similar problem with BBC and ITV/C4/C5 tv channels on adjacent UHF channels.
There are no currently reported problems that I can find for Hannington and it's not listed for Planned Engineering.
As you haven't given a full postcode, I can't check if there are any particular problems that affect your area.
The signal strengths you mention should be fine. What is important is the quality figures which should be 100% or Bit Error figures (BER) should be low.
The TV channels you've mentioned are carried on the SDN/COM4 & ArqB/COM6 multiplexes.
See https://www.freeview.co.uk/corporate/platform-management/channel-listings-industry-professionals for which TV channels are carried on which multiplex.
You should be seeing similar problems with other channels on the SDN & ArqB multiplexes - if you aren't, it could be an issue with your Humax.
As you've had a new aerial, was the downlead fully replaced with high quality double screened coax eg. CT100 or similar?
Do you know the make/model/type of aerial - also how is it different from your old one?
Do you have any distribution amp/splitter to provide signal to more than one outlet/tv?
Check all the connections between your equipment and aerial. A bad connection can affect individual multiplexes rather than all of them due to what's called standing waves (as can eg. water in a coax if it's old).
Make sure any HDMI leads are well away from aerial and flyleads. HDMI has been know to cause interference in some cases.
If the problem continues, post back with more detail, postcode etc.
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