[sdiy] Moog Voyager - No Osc Sound

Roman modular at go2.pl
Tue Feb 5 07:10:18 CET 2019


That's because analog and digital boards were designed by 2 people with completely different background and habits. One of them was Bob Moog. Now guess which was the one he did :)   About failing chips, there might be several causes. Could be damaged by ESD at some point during storage or delivery or during assembly, or one (or more) process during manufacture was badly adjusted, or it was overstressed in the circuit and later they used different part, or they used vintage chips found at the back of a barn that were not really good even when new, or electromigration causing all chips to die eventually. Or all of this combined.  What was the chip they refer to as the one failing regularly?   Roman   Dnia 5 lutego 2019 06:18 Mike Beauchamp <list at mikebeauchamp.com> napisał(a):    First question: The analog board on this is all Through-Hole, even  though the digital board is SMT. Why? Can through-hole stuff be done and  automated by assembly houses still?   Second question: I guess I always assumed that an IC would either work  forever under normal use. What might have happened to these batches of  IC's that Moog got in these Voyagers that would cause them to stop  working only years down the road..   Mike   ______________________________  Synth-diy mailing list   Synth-diy at synth-diy.org  synth-diy.org synth-diy.org
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