DX-C390
SERVICE MANUAL
SERVICE MANUAL
COMPACT DISC CHANGER
Black and Silver models
MODEL
DX-C390
120V AC, 60Hz
230V AC, 50Hz
230-240V AC, 50Hz
BMDD
BMPP, SMPP
BMPA
Ref. No. 3782
102003
RC-547C
NEXT SELECTION
DISC
1
DISC
2
DISC
3
DISC
DISC
4
DISC
5
DISC
6
REPEAT
RANDOM
MEMORY
SEARCH
>10
10/0
CLEAR
OPEN/CLOSE
ON
STANDBY
123
456
789
FOLDER
FOLDER
RC-547C
SAFETY-RELATED COMPONENT
WARNING!!
COMPONENTS IDENTIFIED BY MARK
ON THE
SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE THESE COMPONENTS WITH ONKYO
PARTS WHOSE PART NUMBERS APPEAR AS SHOWN
IN THIS MANUAL.
MAKE LEAKAGE-CURRENT OR RESISTANCE
MEASUREMENTS TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPTABLY INSULATED FROM THE
SUPPLY CIRCUIT BEFORE RETURNING THE
APPLIANCE TO THE CUSTOMER.
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DX-C390
DX-C390 (Compact Disc Changer)
Signal readout system
Optical non-contact
Frequency response
5 Hz - 20 kHz
SN ratio
98 dB
Audio Dynamic range
96 dB
THD (Total harmonic distortion)
0.005% (at 1 kHz)
Audio output (Digital/Optical)
-22.5 dBm
Audio output/Impedance (Digital/Coaxial)
0.5 V (p-p) / 75 ohm
Audio output/Impedance (Analog)
2.0 V (rms) / 470 ohm
Power supply rating
AC 120 V
60 Hz (North American model)
AC 230 V
50 Hz (Other than North American models)
Power consumption
10 W (North American model)
8 W (Other than North American models)
Standby power consumption
4 W
Dimensions (W x H x D)
17-1/8" x 5-3/16" x 17" (435 x 131 x 432 mm)
Weight
15.0 lbs. (6.8 kg)
Operating conditions Temperature/Humidity
41-95 F (5-35 C) / 25-80%
Disc compatibility
CD, CD-R, CD-RW
RC-547C (Remote Controller)
Transmitter
Infrared
Signal range
Approx. 16 ft., 5 meters
Power supply
Two (AA/R6) batteries (1.5 V x 2)
Specifications and features are subject to change without notice.
SPECIFICATIONS
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DX-C390
SERVICE PROCEDURES
PROTECTION OF EYES FROM LASER BEAM DURING SERVICING
This set employs a laser. Therefore, be sure to follow
carefully the instructions below when servicing.
WARNING!!
SERVICE WARNING : DO NOT APPROACH THE
LASER EXIT WITH THE EYE TOO CLOSELY.
IN CASE IT IS NECESSARY TO CONFIRM LASER
BEAM EMISSION, BE SURE TO OBSERVE FROM
A DISTANCE OF MORE THAN 30cm FROM THE
SURFACE OF THE OBJECTIVE LENS ON THE
OPTICAL PICKUP BLOCK.
Laser Diode Properties
Material: GaAS/GaAlAs
Wavelength: 780nm
Laser output: max. 0.5mW*
Emission Duration: continuous
*This output is the value measured at a distance about 1.8mm
from the objective lens surface on the Optical Pickup Block.
LASER WARNING LABEL
The labels shown below are affixed.
DANGER:
INVISIBLE LASER RADIATION WHEN OPEN AND
INTERLOCK FAILED OR DEFEATED. AVOID DIRECT
EXPOSURE TO BEAM.
CAUTION:
HAZARDOUS LASER AND ELECTROMAGNETIC
RADIATION WHEN OPEN AND INTERLOCK DEFEATED.
ATTENTION:
RAYONNEMENT LASER ET ELECTROMAGNETIQUE
DANGEREUX SI OUVERT AVEC L'ECLENCHEMENT
DE SECURITE ANNULE.
Safety check out
After correcting the original service problem perform
the following safety check before releasing the set
to the customer.
Connect the insulating-resistance tester between the
plug of power supply cord and terminal GND on the
back panel.
Specifications: More than 10 M ohm at 500V.
(Only U.S.A. model)
Warning label
Initializing the unit
Press "STOP" key and "STANDBY" key at same time.
Displayed "INITIALIZE" on the FL display.
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DX-C390
For detailed information, refer to the pages in parenthe-
sis.
STANDBY/ON button
This button is used to set the DX-C390 to On or
Standby. For models with a POWER switch, this
button has no effect unless that POWER switch is
set to ON.
STANDBY indicator
This indicator lights up when the DX-C390 is in
Standby mode.
POWER switch (not North American model)
This is the main power switch. When set to OFF, the
DX-C390 is completely shutdown.
REPEAT button
This button is used with the Repeat function.
RANDOM button
This button is used with the Random function.
DIMMER button
This button is used to adjust the display brightness.
DISPLAY button
This button is used to display elapsed, remaining,
and total time information about the current disc or
track and various information about MP3 tracks.
Remote control sensor
This sensor receives control signals from the remote
controller.
[
] button
This button is used to open and close the disc tray.
DISC SELECT buttons
These buttons are used to select discs. Playback
starts automatically when a disc is selected with one
of these buttons.
PLAY/PAUSE [ ]/[
] button
This button is used to start and pause playback.
STOP [ ] button
This button is used to stop playback.
[
]/[
] & FOLDER
[]/[] buttons
These buttons are used to select the previous and
next tracks and to navigate folders on MP3 discs.
[
]/[
] & FOLDER
[]/[] buttons
These buttons are used for fast reverse and fast for-
ward and to navigate folders on MP3 discs.
DISC SKIP button
This button is used to turn the disc tray when load-
ing or removing discs and to select discs for play-
back.
North American Model
Display
Disc tray light
Disc tray
Other Models
PANEL VIEW-1
FRONT PANEL
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
15
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DX-C390
RANDOM indicator
MEMORY indicator
REPEAT indicator
DISC indicator
The number of the current disc appears here.
FLDR (FOLDER) indicator
While stopped, the total number of folders on the
current MP3 disc are displayed. During playback,
the number of the current folder is displayed.
NEXT indicator
This indicator appears when using the Next Selec-
tion function.
TRACK indicator
While stopped, the total number of tracks on the
current disc are displayed. During playback, the
number of the current track is displayed.
NAME indicator
This indicator appears when the current disc is an
MP3 disc and a name (disc, folder, track) is being
displayed.
TOTAL indicator
This indicator appears when the total remain time is
displayed.
REMAIN indicator
Play
/ Pause
indicator
MP3 indicator
Disc indicators 1 - 6
ANALOG AUDIO OUTPUT
These RCA/phono connectors can be connected to
the analog audio inputs on a hi-Þ amp or AV
receiver.
COAXIAL & OPTICAL DIGITAL AUDIO
OUTPUT
These connectors can be used to connect a CD-R,
MiniDisc, DAT recorder, digital amp, or other
equipment with digital inputs.
REMOTE CONTROL
These
(Remote Interactive) connectors can be
connected to the
connectors on your other
Onkyo AV components for interactive control.
To use
you must also make analog audio con-
nections (RCA/phono) between the DX-C390 and
your other Onkyo equipment.
TRACK
NEXT
TOTAL
DISC
MP
3
3
6
2
5
1
4
FLDR
REPEAT
MEMORY
RANDOM
REMAIN
NAME
1
2
3
1
2
3
4
5
6
7
8
9
10
11
12
13
7
8
9
10
11 12
13
1
2
3
4
5
6
DISPLAY
PANEL VIEW-2
REAR PANEL
1
2
3
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