Onkyo-DXC390-cd-sm维修电路原理图.pdf
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1、DX-C390 SERVICE MANUALSERVICE 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 1DISC 2DISC 3DISC DISC 4DISC 5DISC 6 REPEAT RANDOM MEMORYSEARCH 10 10/0CLEAR OPEN / CLOS
2、EONSTANDBY 123 456 789 FOLDERFOLDER 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. MA
3、KE 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 RadioFans.CN 收音机爱 好者资料库 DX-C390 DX-C390 (Compact Disc Changer) Signal readout systemOptical non-contact Frequency res
4、ponse5 Hz - 20 kHz SN ratio98 dB Audio Dynamic range96 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 ratingAC 120 V60 Hz (North
5、 American model) AC 230 V50 Hz (Other than North American models) Power consumption10 W (North American model) 8 W (Other than North American models) Standby power consumption4 W Dimensions (W x H x D)17-1/8 x 5-3/16 x 17 (435 x 131 x 432 mm) Weight15.0 lbs. (6.8 kg) Operating conditions Temperature
6、/Humidity41-95 F (5-35 C) / 25-80% Disc compatibilityCD, CD-R, CD-RW RC-547C (Remote Controller) TransmitterInfrared Signal rangeApprox. 16 ft., 5 meters Power supplyTwo (AA/R6) batteries (1.5 V x 2) Specifications and features are subject to change without notice. SPECIFICATIONS 2 of 63 RadioFans.C
7、N 收音机爱 好者资料库 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 NECESS
8、ARY 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 valu
9、e 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 ELECTROM
10、AGNETIC RADIATION WHEN OPEN AND INTERLOCK DEFEATED. ATTENTION: RAYONNEMENT LASER ET ELECTROMAGNETIQUE DANGEREUX SI OUVERT AVEC LECLENCHEMENT DE SECURITE ANNULE. Safety check out After correcting the original service problem perform the following safety check before releasing the set to the customer.
11、 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.
12、 3 of 63 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
13、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 butto
14、n 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. bu
15、tton 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
16、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 tur
17、n the disc tray when load- ing or removing discs and to select discs for play- back. North American Model Display Disc tray lightDisc tray Other Models PANEL VIEW-1 FRONT PANEL 12 3 4 5 678910 1112131415 1 2 3 4 5 6 7 8 9 10 11 12 13 14 12 15 4 of 63 DX-C390 RANDOM indicator MEMORY indicator REPEAT
18、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 Se
19、lec- 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 display
20、ed. 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- amp or AV receiver. COAXIAL & OPTICAL DI
21、GITAL 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 yo
22、u must also make analog audio con- nections (RCA/phono) between the DX-C390 and your other Onkyo equipment. TRACKNEXTTOTALDISC MP3 3 6 2 5 1 4 FLDR REPEAT MEMORY RANDOM REMAINNAME 1 2 3 1 2 3 4 5 6 7 8 9 10 11 12 13 7891011 1213123456 DISPLAY PANEL VIEW-2 REAR PANEL 123 5 of 63 DX-C390 ON button Thi
23、s button is used to turn on the DX-C390. STANDBY button This button is used to set the DX-C390 to Standby. Number buttons These buttons are used to enter track and MP3 folder numbers. SEARCH (10) button This button is used to enter track numbers above 10 and to select MP3 folders. button This button
24、 is used to stop playback. button This button is used to pause playback. / & FOLDER / buttons These buttons are used for fast reverse and fast for- ward, and to navigate folders on MP3 discs. NEXT SELECTION button This button is used with the Next Selection function for cuing up the next track. DISC
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