[sdiy] Fixed: Help: Oberheim OB-Xa won't bend up

[tprivitera at nc.rr.com]

Thanks, Tom and Tony and others.  I traced the voltages all the way up to Connector C on the lower control board and was getting voltage change all the way.  The last pin (11) on Connector C goes from zero volts to +1 when I bend up to -1 when I bend down.  Looking at the schematics, from pin 11, circuit goes to U5 and from that chip, right to connector J (ribbon connector to voice boards).

Reseated both the chip and the ribbon cable and problem solved.  Was an easy one and I just wasn't thinking (-:

Appreciate it,
Tim

-----Original Message-----
From: Tim Privitera [mailto:tim.privitera at comcast.net] 
Sent: Sunday, February 08, 2015 9:38 AM
To: 'Tom Wiltshire'; 'Videotron'
Cc: 'synth-diy at dropmix.xs4all.nl'
Subject: RE: [sdiy] Help: Oberheim OB-Xa won't bend up

Thanks, Tom and Tony and others.  I traced the voltages all the way up to Connector C on the lower control board and I'm getting voltage change all the way.  The last pin (11) on Connector C goes from zero volts to +1 when I bend up to -1 when I bend down.