ALLEN & HEATH DR66 - Page 5

2 Section B
DR66 SERVICE MANUAL
CONTENTS
INTRODUCTION & WARNINGS.........................................................................................3-4
ORDERING A DR
6
6
6
6 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.