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Manuals
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Oberheim Manuals
Synthesizer
Xpander
Service manual
Oberheim Xpander Service Manual
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Also See for Xpander
:
Owner's manual
(70 pages)
,
Owner's manual
(69 pages)
,
Owner's manual
(66 pages)
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Table Of Contents
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Contents
Table of Contents
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Table of Contents
Introduction
Mechanical Assembly
Xpander Circuitry Overview
The Processor Board
The Pot Board
The Display Board
The Voice Board
Theory of Operation
Switching Power Supply
Dual Microprocessor Interface
Step Encoders
Vacuum Fluorescent Displays
Gate and CV Inputs
VCO Temperature Compensation
High Resolution Dac
VCO and VCF Frequency Tuning
Pulse Width Calibration
Filter Resonance Calibration
Dual VCO CEM 3374
Block Diagram
Signal Processor CEM 3372
Dynamic FM Implementation
Multi Function VCF
Smoothing Sample and Hold
Programmable Panning
Test and Calibration
Power Supply Test
Main Processor ROM and RAM Test
Voice Processor ROM and RAM Test
Leds Test
Vacuum Fluorescent Display Test
VFD Brightness Adjustment
4 Volt Reference Test
DAC Calibration
DAC Monotonicity Test
Analog to Display Converter Calibration
DYM Method
Audio Method
Miscellaneous
Software Reset
Software Version Number
Untune
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Owner's Manual
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