I have a Crown blaster but the socket where power lead goes in is faulty If I move it around alot it will power up, is there any way of fixing this problem?

Sounds like the solder joints holding the power socket to the board could be damaged. You need to resolder any which appear to be cracked or broken, this should fix the problem.

^^^ what the duck said ^^^

Thanks for the help, I have managed to fix that now with a bit of solder. the belts dont seem to be in great condition where is the best place in the UK to get some belts i doesnt look too complicated to replace them