magic TV 3700TD 5.02NZ

When I go to channel 3 it shows channel 4 without sound, all other channels seem OK.

I have done rescan of the channels, no difference.

When I am on TV3 even though it shows channel 4, when I press the info button it shows the correct info for tv3

The EPG also appears to not be working on any channel

Both issues started about Thursday or Wednesday

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Should add, TV3 is fine on my other tv