MATRIXSYNTH: KORG polysix PS-6 synthesizer restored

Tuesday, December 22, 2020

KORG polysix PS-6 synthesizer restored



via this auction

Snow in Japan.

Work list:
Change all elec. caps
KLM-367A clone board installed.
Change all buffer Opamps on CPU board (brand new remanufactured) and about 1/2 of Opamps on other boards.
New transistors, power regulator and fuses installed on power supply board.
New phototransistor installed on module board.
COOLAUDIO V2044A VCFs installed. please google "coolaudio" "V2044A"
---if you need this keep original SSMT 2044 seller won't install V2044A
New "spark-killer" capacitor installed (relocated on power switch pins).
New memory back up battery installed on socket.
Keys knobs, sliders, switches and jacks cleaning.
Adjustment.

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