Service Manual
FILE NO.
Micro Component System
DC-DA90
(SP)
PRODUCT CODE No.
129 620 02
REFERENCE No.
SM
5810260
SP: This service manual consists of "DC-DA90U/SP" (Main unit : 129 619 02) and
"SX-DA90/SP" (Speaker system : 165 045 00).
Contents
Specifications ................................................................... 1
System connections ......................................................... 1
What to do if ..................................................................... 1
Laser beam safety precaution .......................................... 2
CD pick-up maintenance .................................................. 2
CD player adjustments ..................................................... 2
Tape adjustments ............................................................ 3
Tuner adjustments ........................................................... 4
Exploded view
(Cabinet & Chassis) ...................................................... 5
Parts list
(Cabinet & Chassis) ...................................................... 6
(Tape mechanism) ........................................................ 9
(CD mechanism) ........................................................... 9
IC block diagram & description ........................................ 10
LCD display description ................................................... 14
Wiring connection ............................................................ 15
Schematic diagram
(FRONT) ....................................................................... 16
(CD) ............................................................................... 18
(TUNER) ....................................................................... 22
(AMPLIFIER ) ................................................................ 26
Wiring diagram
(FRONT & CD) .............................................................. 20
(TUNER) ....................................................................... 24
(AMPLIFIER) ................................................................. 28
(POWER TRANSFORMER & LED) .............................. 30