Arcam Delta170 cd sm
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Extracted text from Arcam Delta170 cd sm (Ocr-read)
Page 1
ARCAM
DELTA 70.2/170
COMPACT DISC UNITS
S-RVICE MANUAL
Page 2
DELTA 70.2/170 SERVICE MANUAL
ARCAM DELTA 70.2 / 170 CD PLAYER SERVICE MANUAL
Issue 1 February 90
Arcam Drawing No. HO4/0006
CONTENTS
CIRCUIT DESCRIPTION .......................................... 2
Disc Playing Mechanism ......................................... 2
Decoder PCB ................................................. 3
Display PCB .................................................. 4
Transformer PCB .............................................. 4
Audio PCB (D702 only) ......................................... 4
Master clock ............................................. 4
Power supplies .......................................... 5
Digital to Analogue convertor (DAC) .......................... 5
Audio stages ............................................. 5
Mute circuit ............................................. 6
Optical Board (D170 only) ....................................... 6
PLACING THE DELTA 70.2/170 IN SERVICE MODE ..................... 8
CHANGE OF MAINS VOLTAGE .................................... 9
LASER AND FOCUS OFFSET ADJUSTMENT ......................... 11
D70.3/ D170 SERVICE SHEET ..................................... 13
CIRCUIT DIAGRAMS ............................................ 14