Vintage Simmons Drums (UK) Users Group

Hi everyone....I've recently come into ownership of an SDS7 kit. It's a basic 5 - drum pad model ( kick, snare, three toms ) and it also has a kit  selector pad. I've now discovered that there's a problem with the " brain" in that the whole right - hand, programming and selector part of the module has an intermittent power fault and the LED display with the rotary selecter switch doesn't light up at all. I'm no electronics guru so I've no idea where to start. Is there anyone who does an accredited repair service for a Simmons of this vintage in the UK ? Am I even wasting my time trying to GET it repaired ?? Any pointers gratefully recieved....
Thanks, Tony

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