All posts by PatMcT
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My mistake.
The UHF output of the Humax box WAS blocking channel 53, even with the box turned off. I have retuned the UHF output to a blank channel (as it can not be turned off), and all is now working as it should.
The only hard question is how it got set to the channel of a working multiplex... and I think that this was just a mistake, possibly even a mistake I made.
So this comes under the heading of "Analogue interference" - when some other equipment in the UHF signal path is blocking the channel.
Sorry to interrupt with such a silly problem. Even engineers like me sometimes make silly mistakes.
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Friday 27 May 2011 12:20AM
I have a Humax PVR-9200T PVR and a Panasonic TX-32LZD80 TV.
I get all the freeview multiplexes from Oxford on the Humax box, and I used to get all of them fine on the TV, too.
I have turned off the RF output from the Humax box, as I use RGB Scart, long ago - so I don't think the TV is interfering.
Just recently, the Multiplex on channel 52 stopped working on the TV. It shows good signal strength, but zero signal quality. All the other multiplexes still work on the TV.
After doing a Freeview reset and retune on the TV, it has dropped the multiplex on channel 52 entirely.
Any theories on what has happened here?