STUDIO REPAIR » Korg » Polysix »  Photocoupler     [Image 16 of 24]  :: Jump To  
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Korg Polysix  •  Photocoupler
HTV P1501 Photocoupler
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

Korg Polysix - CPU Board * PCB KLM-367A w/ Piggyback EES Midicomp MIDI-Extension

Korg Polysix - Effects Board * KLM-368A

Korg Polysix - Power Supply * KLM-376

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Korg Polysix - Photocoupler - Image by Nikolaus Riehm - Equipment courtesy of Steffen Stütz
Korg Polysix - Photocoupler Fix * Replacing Faulty HTV P1501 Photocoupler w/ FET-based Circuitry (Schematic by Stefan Schmitt, 2015)

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

Korg Polysix - Testing * …

Korg Polysix - Kiwisix - Opened * A Polysix with Kiwisix Upgrade

Korg Polysix - Kiwisix Boards * …

Korg Polysix - Kiwisix - Processor Board * …

Korg Polysix - Kiwisix - Processor Board * Atmel ATmega2560 8-Bit AVR RISC-based Microcontroller



 
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