I tried changing source from HDM1 to AV but there is no AV to choose from when source button is pressed. The model of the TV is:
UE32H4510AKXXU, type UE32H4510
Amstrad Sky box model is (this is in the bedroom) -DRX550 The Samsung remote is BN59-01178C
"Also the Model of the Sky box AND which specific jacks you have interfaced on both the Sky and the TV."
Ive given you the sky box make and number the connections between the sky box and tv is 1 scart lead plugged in the sky box in tv scart and the other end plugged into the only 1 scart connection in the tv