STUDIO REPAIR - Eventide GTR 4000 - Processor

Picture Content Information
▪ Device:		Eventide GTR 4000
▪ Topic:		Processor
▪ Abstract:		Motorola 68000 central processing unit (Hitachi HD68HC000 derivate)
▪ Owner:		Equipment courtesy of Aliens Project
▪ Creator:		Image by Nikolaus Riehm
▪ Website:		studiorepair.com
▪ Editor:		Nikolaus Riehm

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Eventide GTR 4000 • Processor

Motorola 68000 central processing unit (Hitachi HD68HC000 derivate)

Eventide GTR 4000 - Front Panel * Front panel view

Eventide GTR 4000 - Front Panel * The big knob

Eventide GTR 4000 - Rear Panel * Rear view

Eventide GTR 4000 - Rear Panel * Rear view showing the audio I/O jacks

Eventide GTR 4000 - Memory Failure * Bad checksum memory error

Eventide GTR 4000 - Main Board * The main PCB

Eventide GTR 4000 - ROM and RAM * The system, module and GTR-Preset ROMs

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Eventide GTR 4000 - Processor - Image by - Equipment courtesy of

Eventide GTR 4000 - Signal Processor * One of two Motorola DSP56001 digital signal processors

Eventide GTR 4000 - Signal Processors * Both Motorola DSP56001 digital signal processors

Eventide GTR 4000 - Converter * …

Eventide GTR 4000 - PCB Detail * Analog circuitry

Eventide GTR 4000 - Digital Circuitry * Peripheral circuitry

Eventide GTR 4000 - Front Panel * Front panel PCB

Eventide GTR 4000 - Display Module * LCD module PCB

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