Kenwood DM 9090 Service Manual

Page 1

whom/131475090 (K) COVER 97ill.282:25AM y [ w 2 /\

STEREO MINIDISC RECORDER

1 050M D/ DM-5090

DM-9090
SERVICE MANUAL

KENWOOD

©1997»11/BS1-5387-00 (K/K) 3191

KENWOOD badge Front glass

(543-) (B10-)

Panel Knob Knob
(A60-) (K29-) (K29-)

Knob Panel Phone jack (3P)
(K27-) (A29-) (E11-0190-05)
Metallic oabinet Optic receiving module Phono jack AC power cord
(A01 -) (W02-1181-05) (E11-) (E30-)

l

Phono jack Phono jack
(E63-0120-05) (E63-)

In compliance with Federal Regulations, following are
reproductions of labels on, or Insude the product relating to
laser product safety,

Oscillating module
(W02-1114-05)

Power cord bushing
(J42-0083-05)

Illustration is DM-5090.
*Refer to parts list on page 40.

KENWOOD-Corp. certifies this e uipment conforms to
DHHS Regulation No.21 CFR1O 0110, Chapter 1,
Subchapter J.

DANGER : Laser radiation when open and interlock
defeated.
AVOID DIRECT EXPOSURE TO BEAM.

Page 2

lOBOMD/DMEEO9O (K) COVER 97.11.282125AM y [W 3

1050MD/DM-5090/DM-9090

+

CONTENTS/ACCESSORIES/CAUTIONS

CONTENTS

CONTENTS/ACCESSORIES/CAUTIONS....
EXTERNAL VIEW
BLOCK DIAGRAM ..
CIRCUIT DESCRIPTION. .
WIRING DIAGRAM .................................................... 1

4:2»wa

Accessofles

PC BOARD ......................
SCHEMATIC DIAGRAM ..
EXPLODED VIEW ..
PARTS LIST ............
SPECIFICATIONS ..................................................... 49

Audio cord (2)
(E30-0505-05)

Remote control unit (1)
(A70-1141-05: RC-M0702)

Batten! cover. (A09-0362-08)

System control cord (1)
(E30-2733-05)

Batteries (Re/AA) (2)

of

Optical fiber cable(1)
(519-1529-05)

AC adaptor (1)
(E03-0115-05)

TI» M type only

Cauflons

G

ote related to transportation and movement

Before transporting or moving this unit, carry out the
following operation.

1. Set the POWER key to ON without loading a Mini Disc.

0 Check that no disc is present in the unit.

2. Wait a few seconds and verify that the display shown
appean

3. Set the POWER key to OFF.

\

Beware of condensation

When water vapor comes into contact with the surface of
cold material, water drops are produced.

If condensation occurs, correct operation may not be possi-
ble, or the unit may not function correctly.

This is not a malfunction, however, the unit should be dried.
(To do this, turn the POWER switch ON and leave the unit
as it is for several hours.)

Be especially careful in the following conditions :

When the unit is brought from a cold place to a warm place.
and there is a large temperature difference.

When a heater starts operating.

When the unit is brought from an air-conditioned place to a
place of high temperature with high humidity.

When there is a large difference between the internal tem»
perature of the unit and the ambient temperature, or in con-
ditions where condensation occurs easily. /

Page 27

lOBOMD/DMi509O (K) COVER 97ill.282:26AM y [W 28 gr

1050MD/DM-5090/DM-9090

EXPLODED VIEW (MECHANISM)

AA 22.6x10 I N09-2817-05 AE M1 .7X4.5 : N39-1745746
AB M1.7X2 :NU9-3104-05 AF 62x4 : N82-2004-46
AC M1 .7X3 2 N09-3279-05 AG D2X8 : N89-2008-46
AD 22x6 : N09-4145-05 AH 52.6X6(BLK) I NBS-260645

19\

30 7 7 «LSW

« ngrzssoroo i :
LM 1AJ2)

When assembiing
a mechanism, ad'ust
"siil ® and sin é "

of "the main slider

(Rel. No.18) and The iigure which
the main gear was seen from
(Rel. No.27)". beIOW-

Parts with exploded view numbers larger than 700 are not supplied. 37

¢> r