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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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Fender Cyber foot controller, 2001
14 switch and 2 pedal, midi output guitar pedal.
One pedal not working - hope its not the pic chip. At the moment exploring the horrendous squeel from the pedals. Seems that for neutral hold, ie stays where the foot angle was last , relies on a steel sleeve inside then the moving and mount-steel plates, either side, and a through-bolt with nylock nut supplying enough pressure to make resistance to movement, as axle. But it is steel plate turning against steel plate on either side of the pivot - urgh ! How to deal with the squeel, oil would loose the neutral or dead action ? As an aside Anyone know of a simple circuit for exercising/testing midi, both in and out, without tying up a scope or a pc, ie just to check that there is a functional change in the signal. -- Diverse Devices, Southampton, England electronic hints and repair briefs , schematics/manuals list on http://home.graffiti.net/diverse:graffiti.net/ |
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