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Author Topic: Crest 3500s? Matt Zeiner Expert Film Handler Posts: 146 From: Windsor, CT USA Registered: Sep 2003 posted 01-16-2004 04:10 PM                     Anybody got a schematic for a Crest 3500s power amp? mzeiner@netheatre.com Thanks..  |  IP: Logged Daryl C. W. O'Shea Film God Posts: 3977 From: Midland Ontario Canada (where Panavision & IMAX lenses come from) Registered: Jun 2002 posted 01-17-2004 06:39 PM                        What series is it from?  |  IP: Logged Matt Zeiner Expert Film Handler Posts: 146 From: Windsor, CT USA Registered: Sep 2003 posted 01-17-2004 08:35 PM                     Not too sure, Darryl - I am unfamiliar with this model. The power modules have a date printed on them - 1983. I found the problem on this particular one, though. I ended up ripping the power module apart (all of the semis had to come out to see the traces on the reverse of the board - not fun) and figuring out the phase inverter circuit. Open resistor in one of the feedback circuits. No longer need the schematic. Thanks, tho. Matt  |  IP: Logged

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