MATRIXSYNTH: Sequential Circuits Prophet 5 Rev 3.2 SN 3046


Sunday, May 20, 2012

Sequential Circuits Prophet 5 Rev 3.2 SN 3046

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"This Prophet 5 has been serviced in April 2012 by a Pro 5 Tech Specialist in the USA - Greg Montalbano at analogsynthservice.com

Montalbano had the following serviced: -
Front Panel: Cleaned pots, switches; replaced bypass cap.
CPU board: Upgraded ROMs to v10.5; replaced bypass caps, battery; replaced CEM3340 VCO chip (in LFO circuit); reloaded factory patches; tuned & scaled.
Voice board: Replaced bypass caps, ICs 2, 5, 23, 37, 38, 8; tuned, oscillators, filters, CV offsets.

Additional Servicing:-
PSU: Replaced bypass caps on the power supply board. Scaled power supply output to +/- 15V; and tuning & adjustments to the CPU & voice boards."





Posted by matrix at 5/20/2012 10:25:00 AM
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