I have an old Rotel RD-845 Stereo Cassette Tape Deck which has served me well for many years. After using it the other day, suddenly the next day, the Power On light would not come on nor would the unit work. I have checked the power cable and plug fuse and both are fine. It may be a faulty switch. I live in North Warwickshire. Could anyone please suggest a local repairer that might assist?