Kenwood DM-3090 Service Manual

In compliance with Federal Regulations, following are
reproductions of labels on, or inside the product relating to
laser product safety,
KENWOOD-Corp. certifies this equipment conforms to
DHHS Regulation No.21 CFR 1040.10, Chapter 1,
Subchapter J.
DANGER : Laser radiation when open and interlock
defeated.
AVOID DIRECT EXPOSURE TO BEAM.
*Refer to parts list on page 49.
STEREO MINIDISC RECORDER
DM-3090
SERVICE MANUAL
© 1997-11/B51-5396-00 (K/K) 1812
MULTI CONTROL
TIME DISPLAY DISPLAY/CHARAC. TRACK/EDIT
ON/STAND BY
STEREO MINIDISC RECORDER
TIMER/
DELETE
ENTER
REC REC LEVEL
0 10
PHONES LEVEL
MIN MAX
PHONES
R
L
R
L
PLAY
OUT
REC
IN
DIGITAL
LINE
2
REC IN
1
REC INPLAY OUT
OPT.
RESET
KENWOOD badge
(B43-0302-04)
Front glass
(B10-2457-08)
Front panel
(A60-1370-08)
Knob (JOG)
(K29-6946-08)
Knob (REC/HP)
(K29-6947-08)
AC power cord bushing
(J42-0338-08)
AC power cord *
(E30-)
Optical digital output
(W02-2643-08)
Switch (RESET)
(S68-0091-08)
Analogue output terminal
(E63-1031-08)
Optical digital input
(W02-2643-08)
Knob (POWER)
(K27-2261-08)
Knob
(K27-2262-08)
Head phone jack
(E11-0345-08)
Panel
(A29-0898-08)
Digital input terminal
(E63-1032-08)
DM-3090(K) COVER 97.11.29 0:18 AM y[W 2

Kenwood DM-3090 Specifications

Digital Audio Performance

frequency response (playback mode)	8 Hz ~ 20 kHz, ± 1 dB
signal to noise ratio (playback mode)	More than 100 dB
wow & flutter	Less than unmeasurable limit

Analog Specifications

analog input sensitivity / input impedance	0.5V / 22 kΩ or more
analog output level/output impedance	2.0 V / Less than 2 kΩ
headphone output	15 mW/32 Ω load

Digital Input/Output

digital input coaxial	0.5 Vp-p / 75 Ω
digital input optical	- 15 dBm ~ - 21 dBm
digital output optical	- 15 dBm ~ - 21 dBm

General Specifications

power consumption	17 W
dimensions width	440 mm (17 - 5 / 16”)
dimensions height	94 mm (3 - 11 / 16”)
dimensions depth	300 mm (11 - 13 / 16”)

Weight

weight	3.55 kg (7.9 lb)