Service Manuals, User Guides, Schematic Diagrams or docs for : ONKYO Audio DX-C390 hfe_onkyo_dx-c390_service_en

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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.




              1 of 63
                                                                                                             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.




                                                    2 of 63
                                                                                                                       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.




                                                          3 of 63
                                                                                                                              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-



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