MATRIXSYNTH: YAMAHA CS40M monophonic synthesizer

Tuesday, January 19, 2021

YAMAHA CS40M monophonic synthesizer



via this auction

"Everything works as specified, overhauled before shipping to have long life and to keep original sounds.
Change all electrolytic capacitors and some short life transistors, opamps and logis ICs with new ones, and keys knobs, sliders, switches and jacks cleaning before shipping.

Work list (Excerpt) :
Change all elec. caps with new ones.
Change all transistors, tant. caps and opamps on Power Supply Board with new ones.
Change all tant. caps on PGM/DM boards with new ones.
Change opamps for KCV buffers on SK board with new ones.
Brand new memory backup battery and factory sound data installed.
Keys knobs, sliders, switches and jacks cleaning.
Adjustment."

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