I agree... go into 'manual tuning' under expert settings and retune on each frequency in turn to get all the channels. The menu may be different on different models so just find manual tuning. I can confirm my scheduling of programmes has been ok since doing this. Recording comes under the same schedule manager so assume, not actually recording myself, this will resolve for recording too. This assumes that recording to an externally connected device is proven. Tweeted to Samsung TV on Twitter my solution but no response whatever. Don't know why this stopped working in the first place but without this fixed would consign my TV to bin.... and maybe that's a Samsung plan to get us to buy new TV's.
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