OMNI 1 SERVICE MANUAL ocr

OMNI Model 2480 ARP INSTRUMENTS, INC. 320 Needham Street Newton, MA 02164 Document Number 90020000 © February, 1977 ARP INSTRUMENTS, INC. THE 丨NFORMATION CONTAINED HEREIN IS CONFIDENTIAL AND PROPRIETARY TO ARP INSTRUMENTS 丨M C.丨T IS DISCLOSED TO YOU SOLEY FOR PURPOSES OF INSTRUCTION AS TO OPERATION OF THE EQUIPMENT AND MAINTENANCE AS APPROPRIATE. IT IS NOT TO BE USED BY YOU FOR AMY OTHER PURPOSE, NOR IS 丨T TO BE DISCLOSED TO OTHERS WITHOUT THE EXPRESS PERMISSION OF ARP INSTRUMENTS, INC. OMNI Model 2480 í m. TABLE OF CONTENTS 1. INTRODUCTION 1.1 Product Description.....................................................2 1.2 Specifications.................................................................2 1.3 Function Description.....................................................3 2, THEORY OF O PER ATIO N........................................................ 5 3. CIRCUIT DESC

OMNI Model 2480 SERVICE MANUAL ARP INSTRUMENTS, INC. 320 Needham Street Newton, MA 02164 (617) 965-9700 Document Number 90020000 © February, 1977 ARP INSTRUMENTS, INC. THE 丨NFORMATION CONTAINED HEREIN IS CONFIDENTIAL AND PROPRIETARY TO ARP INSTRUMENTS 丨M C .丨T IS DISCLOSED TO YOU SOLEY FOR PURPOSES OF INSTRUCTION AS TO OPERATION OF THE EQUIPMENT AND MAINTENANCE AS APPROPRIATE. IT IS NOT TO BE USED BY YOU FOR AMY OTHER PURPOSE, NOR IS 丨T TO BE DISCLOSED TO OTHERS WITHOUT THE EXPRESS PERMISSION OF ARP INSTRUMENTS, INC. OMNI Model 2480 í m . SERVICE MANUAL TABLE OF CONTENTS 1. INTRODUCTION 1.1 Product Description............................... .. ............... .....2 1.2 Specifications............................................. ............... .....2 1.3 Function Description.............................. .. .....................3 2, THEORY OF O PER ATIO N ......................... ........... .................... 5 3. CIRCUIT DESCRIPTIONS 3.1 Upper Voicing Board.............................. .. ............... .._5 3.2 Lower Voicing Board . ............................ .......... .................... 6 3.3 String Control Board................................. ............... ..,8…