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DX-C390
Ref. No. 3782
102003
SERVICE MANUAL
COMPACT DISC CHANGER
MODEL DX-C390
ON STANDBY OPEN / CLOSE
1 2 3
REPEAT
4 5 6
RANDOM
7 8 9
SEARCH MEMORY
>10 10/0 CLEAR
FOLDER FOLDER
NEXT SELECTION
DISC 1 DISC 2 DISC 3 DISC
DISC 4 DISC 5 DISC 6
RC-547C
Black and Silver models RC-547C
BMDD 120V AC, 60Hz
BMPP, SMPP 230V AC, 50Hz
BMPA 230-240V AC, 50Hz
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
SPECIFICATIONS
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 4W
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.
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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 Laser Diode Properties
carefully the instructions below when servicing.
Material: GaAS/GaAlAs
Wavelength: 780nm
WARNING!! Laser output: max. 0.5mW*
SERVICE WARNING : DO NOT APPROACH THE Emission Duration: continuous
LASER EXIT WITH THE EYE TOO CLOSELY. *This output is the value measured at a distance about 1.8mm
IN CASE IT IS NECESSARY TO CONFIRM LASER from the objective lens surface on the Optical Pickup Block.
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 WARNING LABEL
The labels shown below are affixed.
Warning label 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 (Only U.S.A. model)
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.
Initializing the unit
Press "STOP" key and "STANDBY" key at same time.
Displayed "INITIALIZE" on the FL display.
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DX-C390
PANEL VIEW-1
FRONT PANEL
North American Model
1 2 4 6 7 Display 8 9 10
5
Disc tray light Disc tray 15 14 13 12 11
Other Models
1 2
5 RANDOM button
This button is used with the Random function.
6 DIMMER button
This button is used to adjust the display brightness.
7 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.
8 Remote control sensor
This sensor receives control signals from the remote
controller.
9 [ ] button
3 This button is used to open and close the disc tray.
10 DISC SELECT buttons
These buttons are used to select discs. Playback
For detailed information, refer to the pages in parenthe- starts automatically when a disc is selected with one
sis. of these buttons.
1 STANDBY/ON button 11 PLAY/PAUSE [ ]/[ ] button
This button is used to set the DX-C390 to On or This button is used to start and pause playback.
Standby. For models with a POWER switch, this
12 STOP [ ] button
button has no effect unless that POWER switch is
This button is used to stop playback.
set to ON.
13 [ ]/[ ] & FOLDER [ ]/[ ] buttons
2 STANDBY indicator
These buttons are used to select the previous and
This indicator lights up when the DX-C390 is in
next tracks and to navigate folders on MP3 discs.
Standby mode.
3 POWER switch (not North American model) 14 [ ]/[ ] & FOLDER [ ]/[ ] buttons
These buttons are used for fast reverse and fast for-
This is the main power switch. When set to OFF, the
ward and to navigate folders on MP3 discs.
DX-C390 is completely shutdown.
15 DISC SKIP button
4 REPEAT button
This button is used to turn the disc tray when load-
This button is used with the Repeat function.
ing or removing discs and to select discs for play-
back.
4 of 63
DX-C390
PANEL VIEW-2
DISPLAY
1 2 3 4 5 6 7 8 9 10 11 12 13
DISC FLDR NEXT TRACK NAME TOTAL REMAIN
REPEAT
1 2 3
MEMORY
RANDOM MP3 4 5 6
7 TRACK indicator
While stopped, the total number of tracks on the
1 RANDOM indicator current disc are displayed. During playback, the
number of the current track is displayed.
2 MEMORY indicator
8 NAME indicator
3 REPEAT indicator
This indicator appears when the current disc is an
4 DISC indicator MP3 disc and a name (disc, folder, track) is being
The number of the current disc appears here. displayed.
5 FLDR (FOLDER) indicator 9 TOTAL indicator
While stopped, the total number of folders on the This indicator appears when the total remain time is
current MP3 disc are displayed. During playback, displayed.
the number of the current folder is displayed. 10 REMAIN indicator
6 NEXT indicator 11 Play / Pause indicator
This indicator appears when using the Next Selec-
12 MP3 indicator
tion function.
13 Disc indicators 1 - 6
REAR PANEL
1 2 3
3 REMOTE CONTROL
These (Remote Interactive) connectors can be
1 ANALOG AUDIO OUTPUT connected to the connectors on your other
These RCA/phono connectors can be connected to Onkyo AV components for interactive control.
the analog audio inputs on a hi-