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Kurzweil K2000, K2000R Service Manual

Service manual

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Musician’s manual supplement (234 pages)

Service manual (133 pages)

User manual (28 pages)

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Table Of Contents

134

Table of Contents

Important Information
Safety and Installation Instructions
Radio and Television Interference
Table of Contents
K200 Specifications
K200 Features
K200R Features
Environmental Specifications
Physical Specifications
Electrical Specifications
Glossary of Terms
Setup and Operation Checkout
Voltage Selection
Voltage Selector Card Removal
Voltage Selector Card Orientation
Fuses
Fuse Replacement
To Change from the North American to European Fusing Arrangement
RAM Expansion
Installation of Simms
To Verify the Simms Are Functional
Engine Board Memory Chip Layout
Changing System Software
To Replace the Ics
Basic Startup Checklist
Startup - the Details
Before Starting
Connecting the Power Cable
Audio Configurations
Rear Panel Connection Layout
MIX Outputs
Separate Outputs
Hardware Audio Switching
Stereo Insert Cables
Effects Return
Input to K2000
K2000 Power-Up Check out
K200R Startup
Startup - a Quick Checklist
Before You Start
The Rear Panel
Connecting the Audio Cables
Connecting MIDI
Connecting SCSI
Switching on the Power
Program Mode Display
K200R Voltage Selection
To Determine the Voltage Setting
To Change the Selected Voltage
K200R Fuses
To Replace a Fuse
K200R RAM Expansion
Engine Board Chip Layout
SIMM Installation
Changing the K200R System Software
Disassembly/Assembly Instructions
Enclosure Shell
Enclosure Opening Detail
Engine or Audio/Power Board Removal
K2000 Layout Detail
Slider Board Removal
LCD Removal
Front Panel Removal
Power Transformer and Power Receptacle Removal
Disk Drive Removal
Keyboard Removal
Key Replacement
K2000R Disassembly/Assembly Instructions
Cover Removal
K2000R Connector Board Removal
Engine Board Removal
Front Panel and Display Access and Removal
Maintenance, Care and Prevention, Troubleshooting
Cleaning the K2000
Floppy Drive Maintenance
Battery Selection and Replacement
User Callable Diagnostics
Maximizing Music and Minimizing Noise
Ground Hum
Power Problems and Solutions
Troubleshooting
Other Possible Problems
K2000 Diagnostic Version 0.4
Introduction
Using the K2000 Diagnostic Software
Diagnostic Software Structure
Running the Burn-In Test
Special K2000 Power-Up Options
Diagnostic Test Menu
Selecting a Specific Test
Continuous Testing
Burn-In Test Menu
Test Types
Memory Tests
Data Failure
Descriptions of Tests
ROM Tests
I/O Tests
LCD Test
Boot EPROM Test
Setup EPROM Test
I/O Port Test
Interrupt Test
Audio Board Test
MIDI UART Test
FDC Test
SCSI Test
Calvin and Hobbes Tests
Calvin and Hobbes Test
Option Board Test
Sine Wave Test
Sound ROM Test
Sound RAM Test
1St NVRAM Test
Sound RAM Test Failures
Diagnostic Display Messages
K2000 Scanner Diagnostics
2Nd NVRAM Test
Using the LCD Scanner Diagnostic
Using the LED Scanner Diagnostics
LED Valuse
K2000 and K2000R Diagnostic Version 1.0
Entering Diagnostic Mode
Diagnostic Test Manu
Burn-In Test Manu
Description of Tests
Address Failure
PSRAM Test
Sampling Option Test
Diagnostic Display Message
Scanner Diagnostics
LED Values
K2000R Maintenance and Care
Cleaning the K2000R
K2000 Audio/Power Board Theory
Scanner Microprocessor
Music Keyboard Interface
Debug Port
Front Panel Interface
Wheels Interface
Pressure Sensor Interface
Pedals Interfaces
LCD Vee Voltage Generator
Audio Path Control Outputs
Option Connector
Power Supply
External Transformer
Rectifier and Filters
Heatsink Mounting Detail
Analog Regulators
Digital Regulators
Backup Voltage Supply
LCD Backlight Power Supply
Reset Circuit
Audio Section
D/A Converters
Low-Pass Filters
Separate Output Amplifiers
Muting Circuits
Audio Switching Matrix
MIX Output Amplifiers
Analog Switch Connection for Audio Signals
Headphone Amplifiers
Voltage Controlled Amplifiers
Effects Mixer
Effects Input Low-Pass Filter
Effects Section
Effects A/D Converter
Effects D/A Conversion and Filtering
Effects LSI Chip and Delay RAM
K2000 Audio/Power Theory
Effects Microcode RAM
Effects Microprocessor
Effects Microprocessor Memory
Audio Board Functional Block Diagram
K2000 Wiring Guide
Power Transformer
Audio/Power Supply Board
Engine Board
Engine PCB MCPU
Engine PCB MCPU Memory
Engine Peripherals Interface
Engine PCB Mcpu/Calvin Interface
Engine PCB Calvin and Hobbes Circuits
Engine Memory, Sound Roms
Engine Simms, Sample RAM
Audio/Power PCB Scan Processor
Audio/Power PCB Power Supply
Audio/Power PCB Audio Path 1
Audio/Power PCB Audio Path 2
Audio/Power PCB Additional Outputs
Audio/Power PCB Reverb/Effects
Audio/Power PCB Effects Processor
Button/Led PCB
Wheels Interface PCB
Slider PCB
Backlight Inverter
Transformar I/O Wiring
Pcb
Audio/Power PCB

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1 K200 Specifications
2 Battery Selection and Replacement
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Kurzweil K2000, K2000R Service Manual

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