STUDIO REPAIR - Korg Polysix - Photocoupler

Picture Content Information
▪ Device:		Korg Polysix
▪ Topic:		Photocoupler
▪ Abstract:		HTV P1501 Photocoupler
▪ Owner:		Equipment courtesy of Steffen Stütz
▪ Creator:		Image by Nikolaus Riehm
▪ Website:		studiorepair.com
▪ Editor:		Nikolaus Riehm

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Korg Polysix • Photocoupler

HTV P1501 Photocoupler

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 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

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Korg Polysix - Photocoupler - Image by - Equipment courtesy of

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 * …

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