Arcam BlackBox 1,2 dac sm
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Extracted text from Arcam BlackBox 1,2 dac sm (Ocr-read)
Page 1
ARCAM
DELTA BLACK BOX 1 & 2
D/A CONVERTOR
SERVICE MANUAL .
Page 2
BLACK BOX 1 & 2 SERVICE MANUAL
ARCAM DELTA BLACK BOX 1 & 2 SERVICE MANUAL
Issue 2 18.10.91 Serial No 001-
Arcam Drawing Number HO4/0013
CONTENTS
System description .............................................
Circuit description .............................................
Input board (Black Box 1) ...................................
Input Board (Black Box 2) ...................................
Phase-locked loop .........................................
Custom chip/Digital filter/DAG ................................
Audlo stages .............................................
Power supplies ...........................................
Servicing operations ............................................
DIsassemny for servicing ..................................
Input board alignment ......................................
VCO alignment ..........................................
Change of mains voltage ...................................
TEST POINTS .................................................
CIRCUIT DIAGRAMS ............................................
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