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Could you please supply the model number usually located on the back?
Are you using an outdoor aerial mounted on the roof or is it inside?
Is the aerial a standard analogue one (usually ok)or digital?
I'm looking at Toshiba technical and their is a known problem with the digital tuner board for freezing on freeview not losing channels
Sorry no its not this I was thinking of poor signal
I just need to download the service manual (we are repair agents) however the download site is down at the mo wil get back to you later