Akai Professional Rhythm Wolf

Confidential Akai Professional Service Manual
Akai Professional
Rhythm Wolf
[ASD1]
Service Manual
v1.0
2014.11.18
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Akai Professional Rhythm Wolf Specifications

General

Type	Drum Machine
Bass Synth	Yes
Analog Bass Synth	Yes
Sequencer	16-step
Connectivity	MIDI In/Out, USB
Voices	5
MIDI	Yes
Sync	MIDI Clock
Headphone Output	1/4"
Power Supply	9V DC

Summary

Attention and Warnings

Safety and Electrical Warnings

Detailed Safety Instructions

Power, Environment, and Operation Safety

Guidelines for power source, cord protection, environment, ventilation, and mounting.

Service and Damage Precautions

Instructions for service, cleaning, and handling product damage scenarios.

Main PCB Schematics: Kick and Snare

Kick and Snare Circuitry

Schematic for Kick and Snare drum sound generation.

Main PCB Schematics: Step Sequencer

Main PCB Schematics: Drum Circuits

Kick Drum Circuit

Schematic for the Kick Drum sound generation circuit.

Snare Drum Circuit

Main PCB Schematics: High Hat

High Hat Circuitry

Main PCB Schematics: Percussion

Percussion Tone Generation

Main PCB Schematics: Bass Synth 1

VCO and LPF Circuits

Schematic for Bass Synth Voltage Controlled Oscillator and Low Pass Filter.

Main PCB Schematics: Bass Synth 2

EG and Envelope Amount Circuits

Schematic for Bass Synth Envelope Generator and Envelope Amount circuits.

Main PCB Schematics: Outputs and Power

Audio Outputs

Power Distribution