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Kurzweil K2000 User Manual

Kurzweil K2000
133 pages
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KURZWEIL
K2000lK2000R
SERVICE
MANUAL
KURZWEIL
~--s~~-
Kurzweil
is
a product line
of
Young Chang America,
Inc.
----
-"
-- ---..... -
Young Chang America
13336
Alondra Blvd.
Cerritos,
CA
90701-2205
PIN
92002000
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Kurzweil K2000 Specifications

General IconGeneral
TypeDigital Synthesizer
Polyphony24 voices
Weight35 lbs
Year Released1991
WaveformsSample-based, user loadable
LFOYes
FilterYes, multimode
EffectsYes, multi-effects processor
Keyboard61 keys
Memoryexpandable RAM
StorageFloppy disk drive
MIDIYes
OutputsStereo
DisplayLCD
Timbrality16-part multitimbral

Summary

Important Safety Information

No User Serviceable Components

Warning that internal components are not user-serviceable.

Warranty Voidance

Unauthorized service attempts may void warranties.

Safety and Installation Instructions

Radio and Television Interference

K2000 Specifications

K2000 Features

Detailed list of K2000 keyboard features.

K2000R Specifications

K2000R Features

Detailed list of K2000R module features.

Setup and Operational Checkout

Voltage Selection Procedure

Procedure for selecting the unit's operating voltage.

Voltage Selector Changing Warnings

Warnings regarding voltage selector changes.

Fuses and Fuse Replacement

Fuse Replacement Warning and Procedures

Warning and instructions for fuse replacement.

RAM Expansion

SIMM Installation and Verification

Procedure for installing and verifying RAM SIMMs.

System Software and IC Replacement

IC Replacement Precautions and Procedure

Static precautions and steps for IC replacement.

Basic Startup Checklist

Connecting Equipment

Power, Audio, and MIDI Connections

Procedures for connecting power, audio, and MIDI.

Audio Output Routing Options

Separate Outputs Configuration Details

Hardware Audio Switching Effects

K2000 Power-Up Checkout

Visual Inspection and Power Up Sequence

Checking unit visually and power-on indicators.

K2000 Power-Up Checkout Details

K2000 Power-Up Checkout (Continued)

Sound and Effects Tests

Output and MIDI Tests

Engine Diagnostics Overview

Software Version Diagnostics

Running diagnostics for different software versions.

Diagnostic Test Interpretation

K2000R Startup Procedures

K2000R Startup Checklists

Basic and detailed startup steps.

K2000R Startup Details

K2000R Connections

Power, Audio, MIDI, and SCSI Connections

Procedures for connecting various peripherals.

K2000R Power On Procedure

Switching On the Power

Steps to safely power on the K2000R.

K2000R Voltage Selection

Voltage Setting Determination and Change

Procedure to check and change voltage setting.

K2000R Fuses

Fuse Replacement and Information

Instructions and types for fuse replacement.

K2000R RAM Expansion

SIMM Installation Procedure

Steps for installing SIMM memory modules.

SIMM Verification

K2000R System Software

Changing System Software ICs

Procedure for replacing system software ICs.

Disassembly and Assembly Instructions

Enclosure Shell Removal

Procedure to remove the unit's enclosure shell.

Board Removal Procedures

Engine or Audio/Power Board Removal

Steps for removing main circuit boards.

Component Board Removal

Various Board Removal Procedures

Procedures for removing AUD/PWR, Slider, LCD, Front Panel.

Power Transformer and Receptacle Removal

Steps for removing power supply components.

Component Removal (Continued)

Disk Drive and Keyboard Removal

Procedures for removing disk drive and keyboard.

Keyboard Component Service

Key Replacement Procedure

Steps for replacing individual keys.

K2000R Disassembly and Assembly

K2000R Board Removal Procedures

Removing Cover, Connector, Engine, and Audio/Power Boards.

Front Panel and Display Access

Front Panel and Display Removal Steps

Procedures for accessing and removing front panel/display.

Maintenance, Care, and Prevention

Diagnostics and Noise Reduction

User Callable Diagnostics Overview

Using built-in diagnostics for pedals/controls.

Noise Reduction and Audio Level Optimization

Ground Hum Issues and Solutions

Addressing ground loops and hum.

Power Problems and Solutions

Voltage Fluctuations and Soft Resets

How voltage dips affect operation.

Addressing Power Issues

Solutions for power problems.

Troubleshooting Guide - Initial Steps

General Troubleshooting Checklist

Steps for initial problem diagnosis.

Power and Connection Checks

Verifying power input and cable connections.

Troubleshooting Common Problems (Part 1)

No Sound, No Display, No LEDs Troubleshooting

Troubleshooting steps for complete lack of response.

No Sound Issues Troubleshooting

Troubleshooting steps for no audio output.

Troubleshooting Common Problems (Part 2)

MIX Output and Headphone Issues

Troubleshooting sound at MIX outputs/headphones.

Troubleshooting Common Problems (Part 3)

LCD Readability and Disk Errors

Troubleshooting LCD contrast and disk issues.

K2000 Diagnostics Overview

K2000 Diagnostic Test Menu (v0.4)

K2000 Diagnostic Test Execution (v0.4)

Diagnostic Test Types (v0.4)

Memory and ROM Test Details (v0.4)

Specific Component Test Descriptions (v0.4)

Interface and Controller Tests (v0.4)

Calvin and Hobbes Tests (v0.4)

Calvin and Hobbes Test Details (v0.4)

Specific Diagnostic Tests (v0.4)

Sound RAM Test Details (v0.4)

NVRAM and Diagnostic Messages (v0.4)

Scanner Diagnostics - LCD Mode (v0.4)

LCD Scanner Diagnostic Details (v0.4)

Keyboard and Pressure Sensor Diagnostics (v0.4)

LED Scanner Diagnostic Details (v0.4)

Button Matrix and Keyboard Diagnostics (v0.4)

K2000R Maintenance and Care

K2000 Diagnostics Version 1.0

Entering Diagnostic Mode

Procedure to access diagnostic mode.

K2000 Diagnostic Test Menu (v1.0)

K2000 Diagnostic Test Execution (v1.0)

Diagnostic Test Types (v1.0)

Memory and ROM Test Details (v1.0)

Specific Component Test Descriptions (v1.0)

Interface and Controller Tests (v1.0)

Calvin and Hobbes Tests (v1.0)

Calvin and Hobbes Test Details (v1.0)

Specific Diagnostic Tests (v1.0)

Sound RAM Test Details (v1.0)

NVRAM and Diagnostic Messages (v1.0)

Scanner Diagnostics - LCD Mode (v1.0)

LCD Scanner Diagnostic Details (v1.0)

Keyboard and Pressure Sensor Diagnostics (v1.0)

LED Scanner Diagnostic Details (v1.0)

Button Matrix and Keyboard Diagnostics (v1.0)

K2000 Audio/Power Board Theory - Part 1

K2000 Audio/Power Board Theory - Part 2

K2000 Audio/Power Board Theory - Part 3

K2000 Audio/Power Board Theory - Part 4

K2000 Audio/Power Board Theory - Part 5

K2000 Audio/Power Board Theory - Part 6

K2000 Audio/Power Board Theory - Part 7

K2000 Audio/Power Board Theory - Part 8

K2000 Audio/Power Board Theory - Part 9

K2000 Audio/Power Board Theory - Part 10

K2000 Audio/Power Board Theory - Part 11

K2000 Audio/Power Board Theory - Part 12

K2000 Audio/Power Board Theory - Part 13

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