STUDIO REPAIR - Korg Polysix - CPU Board

Picture Content Information
▪ Device:		Korg Polysix
▪ Topic:		CPU Board
▪ Abstract:		PCB KLM-367A w/ Piggyback EES Midicomp MIDI-Extension
▪ Owner:		Equipment courtesy of Andreas Kauffelt
▪ Creator:		Image by Nikolaus Riehm
▪ Website:		studiorepair.com
▪ Editor:		Nikolaus Riehm

First slide

Previous slide

Show/Hide EXIF Info

Index Page

Start/Stop the slide show

Next slide

Last slide

Korg Polysix • CPU Board

PCB KLM-367A w/ Piggyback EES Midicomp MIDI-Extension

Korg Polysix - Voice Boards * 3× KLM-366B Voice Board (New Production) - Flat Ribbon Cable on the Leftmost PCB is Part of the Kiwisix Upgrade

Korg Polysix - Voice Board * KLM-366 (Old Production) & KLM396A

Korg Polysix - Voice Board * KLM-366B (New Production)

Korg Polysix - Voice Board * KLM-366B (New Production): Soldering Side

Korg Polysix - Opened * A Polysix Equipped with an EES MIDI Interface (Piggyback on the CPU Board)

Korg Polysix - Voices Circuitry * Discrete Built VCOs

Korg Polysix - Voices Circuitry * SSM2044 4-Pole VCF & SSM2056 ADSR Integrated Circuits

Next slide

Korg Polysix - CPU Board - Image by - Equipment courtesy of

Korg Polysix M - PolySixM * PolySix M Circuit Board PS6M.1

Korg Polysix - Effects Board * KLM-368A

Korg Polysix - Power Supply * KLM-376

Korg Polysix - Panel Board * KLM-371

Korg Polysix - Bender Box * Left Hand Controller Section

Korg Polysix - Photocoupler * HTV P1501 Photocoupler

Korg Polysix - Photocoupler Fix * Replacing Faulty HTV P1501 Photocoupler w/ FET-based Circuitry (Schematic by Stefan Schmitt, 2015)

First slide

Previous slide

Show/Hide EXIF Info

Index Page

Start/Stop the slide show

Next slide

Last slide

© 2006 - 2020