Hi thereProblem solved, well it will be when I can be bothered to get under the floor.Seems with all of the movement the green cable is not connected anymore.I got out the trusty old multi meter and buzzed out each cable.Turns out green is data and that is currently missing in action.
Beovision 7 MKIV (Blu Ray)
Beolab 9
Beolab 6000
Beo 4
Beocenter 9300
Apple TV
SKY HD
Optoma HD65 Projector
Lintronic TT455-RT-238
Beovision 3 MKII