Sanyo dc da90

Page 1

Service Manual

Micro Component System

8

FILE NO.

0

DC-DA90 (SP)

Contents

Specifications ........
System connections ..
What to do if ...........................
Laser beam safety precaution
CD pick-up maintenance.
CD player adjustments
Tape adjustments .
Tuner adjustments
Exploded view
(Cabinet & Chassis) ...................................................... 5
Parts list
(Cabinet & Chassis) ...................................................... 6
(Tape mechanism) .
(CD mechanism)

LiniviviuL-Le;

"SX-DA90/SP" (Speaker system : 165 045 00).

PRODUCT CODE No.
129 620 02

IC block diagram & description
LCD display description ...........
Wiring connection ............................................................ 15
Schematic diagram
(FRONT) .
(CD)...
(TUNER) . ..
(AMPLIFIER) ................................................................ 26
Wiring diagram
(FRONT & CD) ..
(TUNER) ........
(AMPLIFIER) ...................................
(POWER TRANSFORMER & LED)

l- 'I
I SP: This service manual consists of "DC-DA90U/SP" (Main unit: 129 619 02) and

______ _I

REFERENCE No. SM5810260

Page 2

SPECIFICATIONS

Tuner

Reception frequency .............. FM : 87.5 - 108.0 MHz
AM : 522 -1611kHz

CD player

Channels ............... 2-channel stereo

44.1 kHz

.. Optical 3-beam

semiconductor laser
0.6mW(Continuous wave max.)
790 nm

.. Below measurable limits

Sampling frequency.
Pick-up ..................

Laser output
Wave length
Wow and Flutter.

Cassette deck section
Track system ...........
Frequency response
Signal to noise ratio .
Wow and Flutter....
Fast fonNard / Rewind time

4-track, 2-channel stereo
80 Hz - 15 kHz

40 dB

0.15% (WRMS)

Approx. 110 sec. (C-60)

SYSTEM CONNECTIONS

General
Output power ......................... 4 W x 2

(at 4 ohms, 10% distortion)
Outputs .................................. SPEAKERS : 4 ohms

PHONES : 8 - 32 ohms
Power requirements
Power consumption
Dimensions (W x H x D) . Approx. 140 x 213 x 210 mm
Weight .................................... Approx. 2.1 kg

Speaker system

Type ........ . Full range bass reflex
Unit used. . 8 cm cone type
Maximum

power-handling capacity ..... 6 Watts (peak)
Nominal impedance ....... . 4 ohms
Dimensions (W x H x D) , Approx. 140 x 210 x 170 mm
Weight .................................... Approx. 1.1 kg (per speaker)

Specifications subject to change without notice.

FM aerial

L ch speaker R ch speaker

V9

AM loop aerial

'ISK nr ELECTRlC struck
an nor orzu

AVlS msuur :r CHUC ri mmaurrxr PAS 31va

CAUTION

I
spams
: mu

WHAT TO DO IF

To an AC outlet

If the operation of the unit or display is not normal,
1. Disconnect the mains lead.

2. Press the BAND button (main unit) for at least 30 seconds.

3. Connect the mains lead.
4. Operate the unit.