STUDIO REPAIR - Oberheim Matrix-1000 - CEM3396 Voices

Picture Content Information
▪ Device:		Oberheim Matrix-1000
▪ Topic:		CEM3396 Voices
▪ Abstract:		…
▪ Owner:		Equipment courtesy of Moogulator
▪ Creator:		Image by Nikolaus Riehm
▪ Website:		studiorepair.com
▪ Editor:		Nikolaus Riehm

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Oberheim Matrix-1000 • CEM3396 Voices

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Oberheim Matrix-1000 - Rear Panel * …

Oberheim Matrix-1000 - Servicing * …

Oberheim Matrix-1000 - Opened * Top cover removed

Oberheim Matrix-1000 - Main Board * …

Oberheim Matrix-1000 - Main Board * …

Oberheim Matrix-1000 - Main Board * Mainboard X-ray examination…

Oberheim Matrix-1000 - CEM3396 Voices * The six CEM3396-based voices

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Oberheim Matrix-1000 - CEM3396 Voices - Image by - Equipment courtesy of

Oberheim Matrix-1000 - Digital Circuitry * 68B09 CPU, EPROMs, RAM

Oberheim Matrix-1000 - Digital Control * 82C54 integrated programmable 16-bit counters to digitally control the oscillators

Oberheim Matrix-1000 - D/A Converter * AM6012 12-bit D/A converter for the control voltages

Oberheim Matrix-1000 - D/A Converter * A PMI/Analog Devices DAC312 in this unit…

Oberheim Matrix-1000 - DAC Adjustment * …

Oberheim Matrix-1000 - Digital Circuitry * Notice the Asahi Kasei (AKM) RAM in this unit…

Oberheim Matrix-1000 - S&H Capacitors * Sample&Hold capacitors to catch the corresponding analog control voltages from the D/A converter

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