I agree with Roy. In my 40 years of working on music organs, synths, amps, etc. I find it very common for op amps to fail. I do always check the coupling caps with an ESR checker and check the voltage regulators and zener diodes, and I find very few resistor failures, but op amps are common. Keith A Niver Certified MITA Technician Niver's Inc 801 Columbia St Hudson, NY 12534 518-828-0616, work 518-755-6960, cell kaniver@... -----Original Message----- From: vintagesynthrepair@yahoogroups.com [mailto:vintagesynthrepair@yahoogroups.com] On Behalf Of scott frye Sent: Saturday, May 03, 2008 1:55 PM To: vintagesynthrepair@yahoogroups.com Subject: [vintagesynthrepair] Re:arp odyssey mk1 sample and hold problem In my 25+ years on working in engineering and test I've seen VERY VERY few op amps ever go bad. Caps crap out far more and power resistors and 3 terminal regulators Scott Frye AudioFixation Consumer / Pro Audio Repair Southern VT _____ Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try <http://us.rd.yahoo.com/evt=51733/*http:/mobile.yahoo.com/;_ylt=Ahu06i62sR8H DtDypao8Wcj9tAcJ%20> it now.
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RE: [vintagesynthrepair] Re:arp odyssey mk1 sample and hold problem
2008-05-04 by Keith Niver