Table Of Contents - Kurzweil sp5-8 Service Manual

Table of Contents

Kurzweil International Contacts .......................................................................................................................iv
Chapter 1 Introduction
Notes, Cautions, Warnings .......................................................................................................................1-1
Front Panel Features ..........................................................................................................................................1-2
Shift, Sw, and Zone Buttons and Control Sliders ...................................................................................1-2
Mode and Function Buttons .....................................................................................................................1-3
Navigation ...................................................................................................................................................1-4
Category Buttons and KB3 LED ...............................................................................................................1-4
Double Press Buttons .................................................................................................................................1-5
Pitch and Mod Wheels ...............................................................................................................................1-5
Rear Panel Features ...........................................................................................................................................1-6
Chapter 2 Printed Circuit Boards
Function Overview ............................................................................................................................................2-1
Engine PCB Function Summary ...............................................................................................................2-1
General ..................................................................................................................................................2-1
CPU .......................................................................................................................................................2-2
Memory ................................................................................................................................................2-2
Scanning ...............................................................................................................................................2-3
Synthesis ASIC.....................................................................................................................................2-3
D-to-A converter ..................................................................................................................................2-3
USB Controller .....................................................................................................................................2-4
MIDI (5-pin) Interface .........................................................................................................................2-4
Voltage Regulators ..............................................................................................................................2-4
Front Panel PCBs Function Summaries ..................................................................................................2-5
Right and Left Front Panel PCBs ......................................................................................................2-6
ScanPort interface to front panel LED indicators ...........................................................................2-6
ScanPort interface to front panel buttons ........................................................................................2-6
Right Front Panel PCB ........................................................................................................................2-6
ScanPort interface to the keyboard ...................................................................................................2-6
MIDI In/Out connector interface .....................................................................................................2-6
DC power input jack and voltage regulators ..................................................................................2-7
LCD contrast voltage adjuster ...........................................................................................................2-7
Left Front Panel PCB ..........................................................................................................................2-7
Switch Pedals and CC Pedal connectors and interface .................................................................2-7
ScanPort interface to Pitch and Mod wheels...................................................................................2-8
Volume Control and control sliders .................................................................................................2-8
Audio differential amplifiers for Left/Right output jacks ............................................................2-8
Amplifier for Headphones jack .........................................................................................................2-8
ScanPort analog multiplexor .............................................................................................................2-8
Audio Muting circuits ........................................................................................................................2-9
Automatic Shutdown (ERP Control) PCB .....................................................................................................2-9
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