MusicMan 112 RD 50 popping noise

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Author Message   Paul Ossing (twang) Username: twang Registered: 01-2009 Posted on Wednesday, January 07, 2009 - 04:25 am:    I got a MusicMan 112 RD50 with a modded/butchered footswitch wiring.Some former owner tried to connect the FS to a single stereo jack on the back of the chassis, changed the PCB ground connections plus the footswitch pedal w#LED wiring.The Channel switching/Rocker switch on front panel and FS creates a loud popping noise.To restore it I need some pics or drawings of the original wiring of the RCA footswitch connectors (Limiter+Reverb) on the PCB.It seems to be some bug in the RCA jacks' ground wiring. Thanks a lot for help, Twang