Arcam Delta BlackBox 3 dac sm

Page 2

BLACK BOX 3 SERVICE MANUAL

DELTA BLACK BOX 3 SERVICE MANUAL ISSUE 1
(Paul Newton January 91)

Arcam Drawing No. H04/0014

CONTENTS

CIRCUIT DESCRIPTION .......................................... 2
Control clrcultry .......................................... 2
Power supplles .......................................... 2
Filters and output stages ................................... 3

Bltstream Board ............................................... 3
Data .................................................... 3
Mutlng .................................................. 3
Clock extraction .......................................... 3
Custom ICNCO .......................................... 4
Data Polarlty ............................................. 4
Bitstream DACs ........................................... 4
De-emphasis ............................................. 4

CHANGE OF MAINS VOLTAGE .................................... 5

CIRCUIT DIAGRAMS ............................................ 6