Circiut board shielding

[Karetaker]

Does any one know where I can get my hands on material to shield a circuit board. I have a location that's by an airport. I've had 3 mega-touches in the location that all do the same thing. They rack up credits and not just a few.... thousands. I've tried different outlets and different ends of the bar and it continues to do it. The juke box acts very strange as well. It's a Rowe cd-100 and it keeps going out of order or doing other strange things. I'm thinking the problem may be the airport being so close by. I want to try to shield the boards and see if that ends this strange anomaly. I've tried surge protectors as well. I've changed the ccc in the juke with a know good one. Their are no flickering lights in the juke and it and the Mega-Touch aren't hooked up to outlets that are on the same circuit as any compressors, or neon lights. I'm seriously beginning to believe it is the airport. A friend told me that they change their frequency right around the time this problem began... although I haven't confirmed that. Any help would be appreciated.

Thanks

[Havok]

You might just have bad power (too much, or not enough, or both), and a surge suppressor won't help. Try a UPS - it actually filters the power, so that may help.

[Karetaker]

I thought about doing that. But, the equipment was there years without any trouble.... other than the normal routine stuff.