[sdiy] Sequential Pro-One Repair

DWa2898572 at aol.com DWa2898572 at aol.com
Sun May 30 20:42:34 CEST 2004


  First, thanks to all on the list, I've learned such a great deal from you 
all, it's given me lots of confidence during troubling times!
  I own a Pro-One (Serial # 2628, made 7/31/81, Obtained by me in 1999), and 
it has seen it's share of road abuse; after the last gig, it was setup for 
rehearsal, but displayed a constant audio signal, VCOs unresponsive to any CV 
info from Keyboard or Sequencer. Taking it over to the test bench, it was 
disassembled and inspected. The Inspection revealed that the PC Board Standoff in the 
top Right-hand corner of the unit had broken from it's Glued mounting, the 
glue itself quite brittle (it actually looks like old Elmer-type Glue!!) and 
broken into dust! this Standoff needs to be grounded, or the PC board gets 
shorted somewhere (i Think), causing the Trigger light to stay on and the VCOs to 
trigger
  My question involves how this standoff should be re-glued and remounted, 
and what type of insulating glue should be used? Would it be feasible to replace 
this metal standoff for one made of insulated plastic?
  Any advice would be appreciated, and thanks again to all the members of the 
list for helping further my knowledge of Electronic Music Instruments!

                                                                       Doug 
Walker
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