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Korg ZERO4 User Manual

Korg ZERO4
35 pages
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KORG ZERO4
SERVICE MANUAL
TABLE OF CONTENTS
ASSEMBLY SKETCH (HOOKUP): 2
BLOCK DIAGRAM: 3
SCHEMATIC DIAGRAM: 4-13
TEST MODE and CHECK: 14-26
SYSTEM UPDATE: 27-31
PARTS LIST: 32-34
Issued Jul.4, 2007
Ver.1
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Korg ZERO4 Specifications

General IconGeneral
TypeDJ Mixer
Channels4
EQ3-band EQ per channel
Sampling Rate96 kHz
Bit Depth24-bit
MIDI ControlYes
CrossfaderYes
EffectsBuilt-in effects
USBYes
Audio InterfaceYes (24-bit/96kHz)
Faders4 channel faders

Summary

System Block Diagram

Pre-Shipment Verification

Verification Overview and Preparation

General guidance, preparation steps, and test mode initiation for verification.

Internal System Checks

Tests for SDRAM, FlashROM, MIDI loop, system version, LEDs, and switches.

LED and Switch Functionality Tests

Checks specific LED behavior and various toggle/push switch functions.

Rotary Encoder and Volume Control Verification

Tests TIME rotary encoder and volume controls for channels 1-4.

Advanced Volume and Fader Checks

Checks for loop length, master FX, mixer controls, cross fader, and completion.

Normal Mode and LINE Input Test

Verifies normal operation and LINE (TRS) input functionality.

CD/LINE Input Test

Verifies audio input via RCA CD/LINE connections.

PHONO Input Test

Tests audio input from phono sources using RCA connectors.

GUITAR Input Test

Verifies audio input from guitar sources using TRS connections.

MIC Input Test

Tests microphone input with varying gain settings (HIGH/LOW).

Output Terminal Functionality Check

Verifies the functionality of the device's various audio output terminals.

System Update and Firmware Management

Microcomputer PCB Identification

Lists PCBs containing microcomputers for system updates.

System Software Update Procedure

Outlines steps and requirements for updating system software.

Firewire Firmware and GUID Update

Details processes for updating Firewire firmware and writing GUID.

Parts Identification and Listing

Factory Configuration Settings

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