Oberheim ob x service manual

Page 2

7 TABLE OF CONTENTS

CALIBRATION PROCEEDURES

- Control Board Calibration
- Voice Card Replacement and Calibration
- Power Supply Calbiration
- Mother Board Calibration

DIAGRAMS

Wiring Block Diagram

Sub-Assembly and Connector Placement Diagram

Control Board and Voice Card Trimmer Placement Diagram
Power Supply and Mother Board Trimmer Placement Diagram

SCHEMATICS

.a - Power Supply Schematic
5 ~u - Processor, Control, Pots and Keyboard Schematic (4 Sheets)
- Mother Board Schematic
- Voice Card Schematic
- Bend Assembly Schematic
- Rear Panel Schematic

PRINTED CIRCUIT COMPOSITES

Control Board Composite

Processor Board Composite

Mother Board Composite

Power Supply and Voice Card Composites

ENGINEERING CHANGE ORDERS (5 Sheets)

INTERCONNECT LISTS

Control Board Interconnect List
Power Supply Board Interconnect List
Pot Board Interconnect List

Mother Board Interconnect List

-i-