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Mackie CFX20 Service Manual

Mackie CFX20
125 pages
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Mackie CFX20 Specifications

General IconGeneral
TypeAnalog Mixer
Channels20
Mic Preamps16
Phantom PowerYes
EQ Bands3-band
Aux Sends4
Subgroups4
Inputs20 (12 mono, 4 stereo)
EffectsBuilt-in digital effects

Summary

Introduction

Service Technical Assistance

Provides contact information for Mackie Designs Service Technical Assistance.

Mixer Series Overview

CFX Mixer Series Description

Introduces the CFX mixer series models and their components.

Block Diagram Overview

Illustrates the functional relationships between mixer sections and circuit boards.

Technical Specifications

Signal Characteristics and EQ

Details frequency response, distortion, noise, CMRR, crosstalk, EQ, and impedance.

Safety Test Procedure

Mixer Leakage Test

Outlines the procedure for performing a leakage test before returning equipment.

Connector Pin Assignments

Slave Circuit Board Connections

Quick Parts Identification

Mixer Channel Strip Components

Mixer Power and Ancillary Components

Parts List Overview

Master Parts List by Model

Master Board Schematics

Slave Board Schematics

Power Supply Schematics

Effects Board Schematics

EFX Board Modification

EFX Bypass Switch Modification Procedure

Details the procedure for cutting pin 1 on the EFX board ribbon cable.

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