Integra-DPC7_5-cd-sm 维修电路原理图.pdf

DPC-7.5SERVICE MANUALSERVICE MANUALDVD CHANGERBlack modelMODEL DPC-7.5BCDD1NBCPA4PRef. No. 3795May, 2004120V AC, 60Hz230-240V AC, 50HzRC-543DVSAFETY-RELATED COMPONENT WARNING!THE MARK FOUND ON SOME COMPONENT PARTS INDICATES THE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.WHEN REPLACING, BE SURE TO USE PARTS OF IDENTICAL DESIGNATION.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.RadioFans.CN 收音机爱 好者资料库Specifications and features subject to change without notice.Video systemStandard NTSC (U.S. model), PAL/AUTO (Australian model)Region code1 (U.S. model), 4 (Australian model)LaserSemiconductor laser, wavelength 650 nm (DVD), 780 nm (CD)Frequency responseDVD linear audio4 Hz-22 kHz 48 kHz sampling rate4 Hz-44 kHz 96 kHz sampling r ateCD audio4 Hz-20 kHzSignal-to-noise ratio (digital audio)100 dBAudio dynamic range (digital audio)93 dBHarmonic distortion (digital audio)0.006%Wow and FlutterBelow measurable levelOperating conditionsTemperature5 to 35 C (41 F to 95 F)InstallationInstall horizontallyVideo outputsCOMPONENT VIDEOY: 1.0 V (p-p), 75 ohm, negative sync, RCA/phono x1, BNC x1PB/PR: 0.7 V (p-p), 75 ohmS VIDEO (S-Video)Y: 1.0 V (p-p), 75 ohm, negative sync, 4-pin mini DIN x2C: 0.286 V (p-p), 75 ohmVIDEO (composite video)1.0 V (p-p), 75 ohm, negative sync, RCA/phono x2Audio outputsOPTICAL-22.5 dBm, optical connector x1COAXIAL0.5 V (p-p), 75 ohm, RCA/phono x1ANALOG2.0 V rms, 440, RCA/phono x2 GeneralPower supply120 V AC, 60 Hz (U.S. model)230-240 V AC, 50 Hz (Australian model)Power consumption13 WPower consumption in Standby mode0.99 W (U.S. model)0.99 W (Australian model)Weight6.4 kg (14.1 lbs.)Dimensions (W x H x D)435 x 131 x 436 mm (17-1/8 x 5-3/16 x 17-3/16)DPC-7.5SPECIFICATIONSRadioFans.CN 收音机爱 好者资料库DPC-7.5SERVICE PROCEDURES-1 PROTECTION OF EYES FROM LASER BEAM DURING SERVICINGThis set employs a laser. Therefore, be sure to follow carefully the instructions below when servicing.WARNING!SERVICE WARNING : DO NOT APPROACH THELASER EXIT WITH THE EYE TOO CLOSELY.IN CASE IT IS NECESSARY TO CONFIRM LASERBEAM EMISSION, BE SURE TO OBSERVE FROMA DISTANCE OF MORE THAN 30cm FROM THESURFACE OF THE OBJECTIVE LENS ON THEOPTICAL PICKUP BLOCK.Laser Diode PropertiesLASER WARNINGWavelength: 650/780nm (DVD/CD)WARNING:TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.CAUTION:TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated dangerous voltage within the products enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance.WARNINGRISK OF ELECTRIC SHOCKDO NOT OPENRISQUE DE CHOC ELECTRIQUENE PAS OUVRIRAVISWARNINGThis unit contains a semiconductor laser system and is classifiedas a CLASS 1 LASER PRODUCT. So, to use this modelproperly, read this Instruction Manual carefully. In case of anytrouble, please contact the store where you purchased the unit.To prevent being exposed to the laser beam, do not try to openthe enclosure.VISIBLE LASER RADIATION WHEN OPEN AND INTERLOCKFAILED OR DEFEATED. DO NOT STARE INTO BEAM.THIS PRODUCT UTILIZES A LASER. USE OF CONTROLS ORADJUSTMENTS OR PERFORMANCE OF PROCEDURESOTHER THAN THOSE SPECIFIED HEREIN MAY RESULT INHAZARDOUS RADIATION EXPOSURE.The label on the rightis applied on the rearpanel except for USAand Canadianmodels.1. This unit is a CLASS 1 LASER PRODUCT and employs alaser inside the cabinet.2. To prevent the laser from being exposed, do not removethe cover. Refer servicing to qualified personnel.CLASS 1 LASER PRODUCTCAUTION:CAUTION:SERVICE PROCEDURE1. Replacing the fusesREF. NO.PART NO.DESCRIPTION This symbol located near the fuse indicates that thefuse used is show operating type, For continued protection againstfire hazard, replace with same type fuse , For fuse rating, refer to the marking adjest to the symbol. Ce symbole indique que le fusible utilise est e lent. Pour une protection permanente, nutiliser que des fusibles de meme type. Ce demier est indique la qu le present symbol est apposre.F15120-0130-0 or1.6A-UL/T-237 5120-1000-01.6A-T/UL-ST2 LASER BEAM CAUTION LABEL5120-0094-0 or5120-1010-02.5A-SE-EAK 2.5A-SE-TL250V F1North American area : Australian area :DPC-7.5SERVICE PROCEDURES-2Factory-shipped conditionPush button ON (Mechanical SW)Press the STOP and STANDBY same time with NO DISC condition. Push button STANDBY.After display COMPLETE.INITIALIZING2. Safety-check out(Only U.S.A. model)After correcting the original service problem perform thefollowing safety check before releasing the set to the customerConnect the insulating-resistance tester between the plug ofpower supply cord and terminal GND on the back panel.Specifications: More than 10M ohm at 500VREMOVE THE SOLDER OF LASER DIODE SHORTWhen replace the mechanism or DVD main PC board.Shotting the solder of Shot-circuit land. (2 positions)Standby/On buttonThis button is used to set the DPC-7.5 to On or Standby.Standby indicatorThis indicator lights up when the DPC-7.5 is in Standby mode.Last Memory buttonThis button is used with the Last Memory function.Repeat buttonThis button is used with the Repeat function.Dimmer buttonThis button is used to adjust the display brightness.Display buttonThis button is used to display information about the cur-rent disc, title, chapter, or track, including the elapsed time, remaining time, total time, and so on.DisplaySee Display on page 11 for more information.Remote control sensorThis sensor receives control signals from the remote controller.Open/Close buttonThis button is used to open and close the disc tray.Chain Mode buttonThis button is used with the Chain mode function.Stop buttonThis button is used to stop playback.Play/Enter buttonThis button is used to start playback and to cancel fast forward and fast reverse. Its also used to start Chain mode playback.Disc trayThe disc tray has six bays for loading up to six discs.Disc tray lightThis light illuminates the disc tray. It comes on when the DPC-7.5 is turned on, and is brighter while the disc tray is open.Disc Skip buttonThis button is used to select the disc bays (i.e., rotate the disc tray) when loading or removing discs, and to select discs for playback.Down buttonThis button is used to select the previous chapter or track. During playback it selects the beginning of the current chapter or track.Up buttonThis button is used to select the next chapter or track.Pause buttonThis button is used to pause playback.1234567891011121314151612345678910111213141516 17 181718DPC-7.5PANEL VIEW-1FRONT PANELCHAIN MODE, ALL, DVD & CD indicatorsThe Chain Mode indicator appears when the Chain mode function is on. The ALL, DVD, and CD indicators show the type or Chain mode selected.DISC indicatorThe number of the currently selected disc appears here.TITLE indicatorWhile stopped, the total number of titles on the current DVD-Video is displayed here. During playback, the number of the current title is displayed.CHP indicatorThis indicator appears while the number of the current chapter is being displayed.TRACK indicatorThis indicator appears while track numbers are being displayed. While stopped, the total number of tracks on the current Video CD, audio CD, or MP3/WMA disc are displayed. During playback, the number of the current track is displayed.PRGV indicatorThis indicator appears when the Progressive Scanning function is on.LAST indicatorThis indicator appears when the Last Memory function has been set.TOTAL indicatorThis indicator appears while the total time is being dis-played.REMAIN indicatorThis indicator appears while the remaining time is being displayed.Camera angle indicatorThis indicator appears if the DVD-Video being played features multiple camera angles.Play indicatorThis indicator is shown during playback.Pause indicatorThis indicator appears when playback is paused.Disc indicators 1-6These indicators show how many discs are loaded. The number of the current disc has a circle around it.When the disc tray is closed, all of the disc indicators appear until the DPC-7.5 has checked each bay for the presence of a disc. If a bay is found to have no disc, the corresponding indicator disappears.Chapter & track numberChapter and track numbers appears here.Time displayTime information, such as total time, remaining time, and so on, is displayed here in hours, minutes, and sec-onds. Other messages are also displayed.VCDVD indicatorThis indicator shows the type of disc currently selected:DVD: DVD-Video, DVD-R, or DVD-RWVCD: Video CD CD: Audio CD, MP3/WMA/JPEG CD-R, or CD-RWCDDVDALLCHAIN MODE DISCTITLECHPTRACKPRGVLASTTOTALREMAIN123456VCDVD1234567891011121314151612345678910111213141516DPC-7.5PANEL VIEW-2FL DISPLAYCOMPONENT 1 VIDEO OUTPUTThese RCA/phono connectors can be used to connect a TV or projector with RCA/phono component video inputs.The DPC-7.5 has two component video outputs, the COMPONENT 1 and COMPONENT 2, however, they output the same video signal.COMPONENT 2 VIDEO OUTPUTThese BNC connectors can be used to connect a TV or projector with BNC component video inputs.The DPC-7.5 has two component video outputs, the COMPONENT 1 and COMPONENT 2, however, theyoutput the same video signal.S VIDEO OUTPUTThese connectors can be used to connect TVs or projec-tors with S-Video inputs.The DPC-7.5 has two S-Video output connectors. Theyoutput the same video signal.VIDEO OUTPUTThese RCA/phono connectors can be used to connect TVs or projectors with composite video inputs.The DPC-7.5 has two composite video output connec-tors. They output the same video signal respectively.ANALOG AUDIO OUTPUTThese RCA/phono connectors can be connected to the analog audio inputs on your TV, hi-fi amp, AV receiver,or surround sound decoder (Dolby Pro Logic). There are two sets of outputs. You could connect one set to your AV receiver, the other to your TV for those occasions when you want to watch a DVD-Video but dont want to use your AVreceiver. The DPC-7.5 has two pairs of stereo analog audio output connectors. They output the same audio signal respec-tively.IR IN/OUTThe IR IN connector can be used to connect a commer-cially available IR receiver, which can be used to pickup signals from the remote controller when the DPC-7.5 is located in another room, installed in a rack, or is out of range of the remote controllerThe IR OUT connector can be used to connect a com-mercially available IR emitter, which can be used to pass remote controller signals received by the IR IN along to other AV components. REMOTE CONTROLThese (Remote Interactive) connectors can be con-nected to the connectors on your other Integra/Onkyo AV components for interactive control.To use you must also make an analog RCA/phono connection between your DPC-7.5 and Integra/Onkyo AV receiver, even if they are connected digitallyOPTICAL AUDIO OUTPUTThis optical digital audio output can be connected to an optical digital audio input on a hi-fi amp, AV receiver, orsurround sound decoder (Dolby Digital, DTS).COAXIAL AUDIO OUTPUTThis coaxial digital audio output can be connected to an coaxial digital audio input on a hi-fi amp, AV receiver, orsurround sound decoder (Dolby Digital, DTS).RS 232This RS-232 port can be connected to an external con-troller.AC INLETThe supplied power cord is connected here. The other end of the power cord should be connected to a suitable wall outlet.MODEL NO. DPC-7.5DVD CHANGERAC INLETS VIDEOVIDEOREMOTECONTROLLRDIGITALOPTICALCOAXIALANALOGCOMPONENT 2COMPONENT 1OUTINPBYPRPBYPRIRVIDEO OUTPUTRS 232AUDIO OUTPUTAUDIO OUTPUT12345678910111234567891011DPC-7.5PANEL VIEW-3REAR PANELStandby buttonThis button is used to set the DPC-7.5 to Standby.On button This button is used to turn on the DPC-7.5.Search buttonThis button is used to search for titles, chapters, tracks, and specific points in time.Last M buttonThis button is used with the Last Memory function.Number buttonsThese buttons are used to enter title, chapter, and track numbers and to enter times for locating specific points in time. To enter a single-digit number, simply press the corre-sponding button. To enter a double-digit number, enter the numbers in order from left-to-right (e.g., to enter 14, press 1 then 4.The +10 button is used to enter multiples of ten (i.e., 10, 20, 30, and so on). For example, to enter the number 25, press the +10 button twice followed by the 5 but-ton.Top Menu buttonThis button is used to select the top menu.Return buttonThis button is used to move the preceding setup menu and to restart Video CD menu playback.Audio button This button is used to select foreign language soundtracks and audio formats (e.g., Dolby Digital or DTS).Angle buttonThis button is used to select different camera angles.FR buttonThis button is used to start fast reverse.FF buttonThis button is used to start fast forward.Disc 1-6 buttonsThese buttons are used to select discs. Playback starts automatically when a disc is selected with these buttons.Disc Skip buttonThis button is used to select the disc bays (i.e., rotate the disc tray) when loading or removing discs, and to select discs for playback.Memory buttonThis button is used with the Memory Playback function.Open/Close buttonThis button is used to open and close the disc tray.Chain Mode buttonThis button is used with the Chain mode function.123456789101112131415163334DPC-7.5PANEL VIEW-4REMOTE CONTROLLER-1Repeat buttonThis button is used to set the Repeat Playback functions.A-B buttonThis button is used to set the A-B Repeat Playback func-tion.Random buttonThis button is used with the Random Playback function.Display buttonThis button is used to display information about the cur-rent disc, title, chapter, or track, including the elapsed time, remaining time, total time, and so on.Clear buttonThis button is used to cancel various functions.Menu buttonThis button is used to select the menu.Enter buttonThis button is used to start playback of the selected title chapter, or track and to confirm settings. , , , buttonsThese buttons are used to navigate DVD-Video menus and the onscreen setup menus.Setup buttonThis button is used to open and close the onscreen setup menus.Subtitle buttonThis button is used to select subtitles.Play buttonThis button is used to start playback.Pause buttonThis button is used to pause playback.Stop buttonThis button is used to stop playback.Up buttonThis button is used to select the next chapter or track.Down buttonThis button is used to select the previous chapter or track. During playback it selects the beginnin