Allenheath DR66 SERVICE MANUAL User Manual download pdf (Page 5)

2 Section B

DR66 SERVICE MANUAL

CONTENTS

INTRODUCTION & WARNINGS......................................................................................... 3-4

ORDERING A DR

UNIT, OPTIONS & DOCUMENTATION.............................................. 5

ORDERING SPARE ASSEMBLIES & SPARE PARTS ........................................................ 6-7

BLOCK DIAGRAM.............................................................................................................. 8

FRONT PANEL CIRCUIT BOARD COMPONENT IDENT ................................................... AG3131

FRONT PANEL CIRCUIT DIAGRAM ..................................................................................C3131

CONVERTER CIRCUIT BOARD COMPONENT IDENT...................................................... AG3135

CONVERTER CIRCUIT DIAGRAM sheet 2 of 9 (line inputs 1 to 4)..................................... C3135

CONVERTER CIRCUIT DIAGRAM sheet 3 of 9 (mic inputs 1 & 2) .....................................C3135

CONVERTER CIRCUIT DIAGRAM sheet 4 of 9 (balanced line outputs 1 & 2) .................... C3135

CONVERTER CIRCUIT DIAGRAM sheet 5 of 9 (balanced line outputs 3 & 4) .................... C3135

CONVERTER CIRCUIT DIAGRAM sheet 6 of 9 (balanced line outputs 5 & 6) .................... C3135

CONVERTER CIRCUIT DIAGRAM sheet 7 of 9 (digital circuits & connectors).................... C3135

CONVERTER CIRCUIT DIAGRAM sheet 8 of 9 (codec circuits) ......................................... C3135

CONVERTER CIRCUIT DIAGRAM sheet 9 of 9 (power supply).......................................... C3135

MICROPROCESSOR CPU CIRCUIT BOARD COMPONENT IDENT................................. AG2604

MICROPROCESSOR CPU CIRCUIT DIAGRAM sheet 2 of 6 (interface) ............................C2604

MICROPROCESSOR CPU CIRCUIT DIAGRAM sheet 3 of 6 (CPU & memory) ................. C2604

MICROPROCESSOR CPU CIRCUIT DIAGRAM sheet 4 of 6 (processing engine #1)......... C2604

MICROPROCESSOR CPU CIRCUIT DIAGRAM sheet 5 of 6 (processing engine #2)......... C2604

MICROPROCESSOR CPU CIRCUIT DIAGRAM sheet 6 of 6 (expander connectors) ......... C2604

Refer to SECTION A for information on installation, calibration and

operation of the DR66.

1 2 3 4 5 6 7 8 9 10 ... 27 28

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Allenheath DR66 SERVICE MANUAL User Manual Page 5