HarmanKardon-DMC250_230-avr-sm维修电路原理图.pdf

harman/kardon Service Manual DMC250/230 DIGITAL MEDIA CENTER CONTENTS TECHNICAL SPECIFICATIONS 2 TROUBLESHOOTING GUIDE 3 FRONT PANEL CONTROLS 4 REAR PANEL CONNECTIONS 5 PACKAGE LIST AND PARTS 6 EXPLODED VIEW AND PARTS 7 ELECTRICAL PARTS LIST 8 SEMICONDUCTOR PINOUTS 33 PCB DRAWINGS 86 BLOCK DIAGRAM 102 WIRING DIAGRAM 103 SCHEMATIC DIAGRAMS 104 Released EU2008 harman/kardon, Inc. Rev 0, 09/2008 250 Crossways Park Dr. Woodbury, New York, 11797 harman/kardonDMC250/230 Service ManualPage 1 of 110RadioFans.CN 收音机爱 好者资料库TECHNICAL SPECIFICATIONS 35ENGLISHTechnical SpecificationsApplicable Disc:Disc formats: 5 inch (12 cm) or 3 inch (8 cm) DVD Video, DVD-Audio, Standard conforming DVD+RW, DVD+R, DVD-R, DVD-RW, DivX, VCD, CD, CD-R, MP3, WMA, JPEG or CD-RW discs,Region code: DVD Movie disc with Code 2 or 0 only.DVD-Layers: Single Side/Single Layer, Single Side/Dual Layer, Dual Side/Single Layer, Dual Side/Dual LayerAudio formats: DVD-Audio MLP lossless, Linear PCM, MPEG, Windows Media9, Dolby Digital or DTS Audio discsStill-image format: JPEGMemory cardsSlot 1: Secure Digital (SD), Multimedia Card (MMC) and Memory Stick (compatible with Magic Gate) cards. Other cardtypes may be used with a compatible adapter, but are not guaranteed to be recognized by the DMC 250 Slot 2: CompactFlash I (CF) cards, or cards using a Compact Flash 1-compatible adapter Card Capacity: Up to 1 GBUSB Port:Up to USB 2.0-compatible solid-state flash drivesVideo Signal System:PAL/NTSCHDMIOutput:Video: 576p, 720p, 1080i, 1080pHDMI Version 1.2a-compliantHDCP Version 1.1-compliantComposite Video Output:1 Vp-p/75 Ohms, sync negative polarityS Video Output:Y/Luminance: 1 Vp-p/75 Ohms, sync negative polarityC/Chrominance: 0.286 Vp-pComponent Video Output:Y: 1 Vp-p/75 Ohms, sync negative polarityCr: 0.7 Vp-p/75 OhmsCb: 0.7 Vp-p/75 OhmsAnalog Audio Output:2 Vrms maxFrequency Response:DVD (Linear PCM):2Hz - 22kHz (48kHz sampling)2Hz - 44kHz (96kHz sampling)CD:2Hz - 20kHzSignal/Noise Ratio (SNR):105 dB (A-weighted)Dynamic Range:DVD: 100dB (18 Bit) / 105dB (20 Bit)CD/DVD: 96dB (16 Bit)THD/1kHz:DVD/CD: 0.0025 %Wow & Flutter:Below Measurable LimitsAC Power:100 - 240 V/50 60 HzPower Consumption:1 Watts (Standby)/13 Watts (Max)Dimensions (WxHxD):440 x 50 x 385 mmWeight:4.0 kgDepth measurement includes knobs and connectors.Height measurement includes feet and chassis.All specifications subject to change without notice.Harman Kardon and Logic 7 are trademarks of Harman International Industries, Incorporated, registered in the United States and/or other countries.Designed to Entertain and Guide+Play are trademark of Harman International Industries, Incorporated.Manufactured under license from Dolby Laboratories. Dolby, Dolby Digital, ProLogic and the double-D symbol are trademarks of Dolby Laboratories. Manufactured under license under U.S. Patent #: 5,451,942 & other U.S. and worldwide patents issued & pending. DTS and DTS Digital Out are registeredtrademarks and the DTS logos and Symbol are trademarks of DTS, Inc. 1996-2007 DTS, Inc. All Rights Reserved.Microsoft, Windows and WMA are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries.HDMI, the HDMI logo and High-Definition Multimedia Interface are trademarks or registered trademarks of HDMI Licensing LLC.Kodak is a registered trademark, and Photo CD is a trademark, of Eastman Kodak Company.DivX, DivX Certified, and associated logos are trademarks of DivX Networks, Inc and are used under license.Memory Stick, MagicGate, Memory Stick Duo and SACD are trademarks or registered trademarks of Sony Corporation.CompactFlash is a trademark of the CompactFlash Association.Guide + Play is a trademark of Harman International Industries, Incorporated. The SD logo is a trademark. This product incorporates copyright protection technology that is protected by method claims of certain U.S. patents and otherintellectual property rights owned by Macrovision Corporation and other rights owners. Use of this copyright protection technology must be authorized byMacrovision Corporation and is intended for home and other limited viewing uses only unless otherwise authorized by Macrovision Corporation. Reverseengineering or disassembly is prohibited.harman/kardonDMC250/230 Service ManualPage 2 of 110RadioFans.CN 收音机爱 好者资料库34 TROUBLESHOOTING GUIDETroubleshooting GuideTroubleShooting GuideSymptomPossible CauseSolutionUnit does not turn on No AC power Check AC power plug and make certain any switchedoutlet is turned on.Disc does not play Disc loaded improperly Load disc label-side up; align the disc with the guides and place it in its proper position. Incorrect disc type Check to see that disc is CD, CD-R, CD-RW, DivX, VCD, MP3, WMA,JPEG, DVD-R, DVD-RW, DVD+R, DVD+RW (standard conforming), DVD-Audio or DVD-Video; other types will not play. Invalid Region Code Use Region 2 or Open Region (0) disc only. Rating is above parental preset Enter password to override or change rating settings.No picture Intermittent connections Check all video connections. Wrong input Check input selection of TV or receiver. Progressive Scan output selected Use Progressive Scan mode only with compatible TV. If needed, press the Progressive Scan/Interlaced ButtonLto toggle to the correct mode. Video Off feature active Press Video Off ButtonQto reactivate video circuitry (see page 26) HDMI Output?is connected to a The HDMI Output?may not be used with video displays that are not video display that is not HDCP-compliant.HDCP-compliant. Unplug the cable and select another audio and video connection (see pages 13 through 14).No sound Intermittent connections Check all audio connections. Incorrect digital audio selection Check digital audio settings. DVD disc is in fast or slow mode There is no audio playback on DVD discs during fast or slow modes. Surround receiver not compatible Use analog audio outputs.with 96kHz PCM audio DVD Audio disc is loaded without Use 6-Channel Audio Outputs?or Analog Audio Outputs?.using analog audio connectionPicture is distorted or jumps during MPEG-2 decoding It is a normal artifact of DVD playback for pictures to jump or show fast forward or reverse playsome distortion during rapid play.Some remote buttons do not operate Function not permitted at this time With most discs, some functions are not permitted at certain during DVD play; prohibited symbol times (e.g., Track Skip) or at all (e.g., direct audio track selection).appears (see below)The OSD menu is in a foreign language Incorrect OSD language Change the display language selection.The symbol appears Requested function not available at Certain functions may be disabled by the DVD itself during this timepassages of a disc.Picture is displayed in the Incorrect match of aspect ratio settings Change aspect ratio settings.wrong aspect ratioto discRemote control inoperative Weak batteries Change both batteries. Sensor is blocked Clear path to sensor or use optional outboard remote sensor.Disc will not copy to VCR Copy protection Many DVDs are encoded with copy protection to prevent copying to VCR.Password not accepted. Incorrect password being used or Factory default password “1234” always remains active.password has been forgotten.Cannot program playlist DMC 250 must be in Stop mode to Stop play of disc before programming a playlist.program a playlist Edit Mode is turned off Select the Edit Mode line in the Control Commands andpress the Enter button to turn it onCannot navigate through hierarchy Edit Mode is turned on, Select the Edit Mode line in the Control Commands and disabling navigation of folderspress the Enter button to turn it offUnable to select desired media No media is present Insert the appropriate memory card into one of the cardsource slots, or a USB flash drive into the USB Port Wrong type of USB drive was inserted Only USB flash drives that do not function as stand alone in USB Port MP3 players are compatible Media was not inserted correctly Remove media and carefully insert according to theinstructions on page 7harman/kardonDMC250/230 Service ManualPage 3 of 1108 FRONT PANEL CONTROLS?Main Information Display:This displaydelivers messages and status indications to helpyou operate the DMC 250 player.1Power On/Off (Standby): Press the buttononce to turn the DMC 250 player on, press itagain to put the unit in the Standby mode. 2Open/Close: Press this button to open orclose the Disc Tray.3Disc Drawer.4Play/Pause: Press to initiate playback or toresume playback after Pause has been pressed.Press this button to momentarily pause play-back. To resume playback, press the buttonagain. If a DVD is playing, action will freeze anda still picture will be displayed when the buttonis pressed. 5Stop: Press this button once to place thedisc in the Resume mode, which means thatplayback will stop, but as long as the tray is notopened or the disc changed, DVD playback willcontinue from the same point on the disc whenthe Play Button is pressed again. Resume willalso work if the unit was turned off. To stop adisc and have play start from the beginning,press the button twice.6Skip/Search (Previous): Press this buttonto move backward through the music tracks ona CD disc or the chapters on a DVD disc. Keepthe button pressed to search backwards at oneof the available speeds.7Skip/Search (Next): Press to move forwardthrough the music tracks on a CD or the chapters on a DVD disc. Keep the button pressedto search forwards at one of the availablespeeds.8Record: When an audio CD is loaded, or theAnalog Audio Inputs are selected as the source,press this button to view the Record tab of theon-screen menu. Pressing this button does notbegin the recording.NOTE: It is not possible to record from one ofthe memory cards or the USB device to anyother media or to the USB device. It is also notpossible to transfer image or video files.However, an audio signal is always available atthe Analog Audio Outputs. You may make ana-log recordings from any source by connecting ananalog audio recorder to the rear-panel AnalogAudio Outputs.9Source Selector: Press this button to viewthe current media source selection. If a mediasource is available, that is, if media is currentlyinstalled, the source icon will appear at normalbrightness. If no media is installed in a particularsource, e.g. if a card slot is empty, its icon will bedimmed and you will not be able to select it. Youmay always select the Disc Player or theAuxiliary Analog Audio Inputs, even when nomedia is present. Use the M/NButtons to scrollthrough the available sources, and press theEnter Button to select and switch to the high-lighted source.NOTE: It is not possible to select a new sourcewhile the current source is playing or even whileit is paused. Press the Stop Button before select-ing a new source.A BM/N/K/LNavigation and EnterButtons: Use these buttons to navigate the on-screen menus, and press the Enter Button toselect an item.The M/NButtons may be used to switchbetween the track or file list on the left side ofthe screen and the settings on the right side.Press and hold a Navigation Button to scroll at afaster rate.When a folder is highlighted, press the EnterButton to expand it.Highlight the “Up” line and press the EnterButton to close a folder and view the contentsof the next higher level of the disc, card ordevice.When a file or track is highlighted, press theEnter Button to begin playback.CCard Slot 1: Insert an SD, MMC or MemoryStick memory card into this slot by gently pushing it all the way in until it clicks. The slotalso accommodates miniSD, microSD andMemory Stick Duo cards when used with theappropriate adapter, available in most electronics and computer stores. Remove a cardfrom this slot by gently pushing it in until itunlatches, then pulling it all the way out of theslot.DCard Slot 2: Insert a Compact Flash I memory card into this slot by gently pushing itall the way in until it is firmly seated in the slot.Remove it by pulling it all the way out of theslot.EUSB Port: Insert a USB client devices connector into this port, being careful to correctly align the devices plastic tongue withthe gap. Do not connect a computer to this port.FRemote IR Sensor.?Main Information Display1Power On/Off (Standby)2Open/Close3Disc Drawer4Play/Pause5Stop6Skip/Search (Previous)7Skip/Search (Next)8Record9Source SelectorANavigation ButtonsBEnterCCard Slot 1DCard Slot 2EUSB PortFRemote IR Sensor13876549ABA2?EDCFFront Panel Controlsharman/kardonDMC250/230 Service ManualPage 4 of 11012 REAR PANEL CONNECTIONSRear Panel Connections?Optical Digital Output?Coaxial Digital Output?AC Power Cord?Composite Video Output?S-Video Output?Component Video Outputs?Scart TV Output?Remote Control Output?Remote Control Input?Analog Audio Output?HDMI Output?6-Channel Audio Outputs?Analog Audio Input?Optical Digital Output: Connect this jackto the optical digital input of an A/V receiver orsurround processor for Dolby Digital, DTS orPCM audio playback.?Coaxial Digital Output: Connect this jackto the coaxial digital input of an A/V receiver orsurround processor for Dolby Digital, DTS orPCM audio playback. NOTE:The coaxial digital output should only beconnected to a digital input. Even though it isthe same RCA-type connector as standard analog audio connections, DO NOT connect it toa conventional analog input jack.Connect either the Optical Digital AudioOutput?or the Coaxial Digital AudioOutput?to a corresponding digital audioinput on your receiver or processor, but not both.?AC Power Cord: Connect this plug to anAC outlet. If the outlet is controlled by a switch,make certain that it is in the ON position.?Composite Video Output: Connect thisjack to the video input on a television or videoprojector, or to a video input on an A/V receiveror processor if you are using that type of devicefor video input switching.?S-Video Output: Connect this jack to theS-Video input on a television or video projector,or to an S-Video input on an A/V receiver orprocessor if you are using that type of device forS-Video input switching.?Component Video Outputs: These out-puts carry the component video signals for connection to display monitors with componentvideo inputs. For standard analog TVs or projectors with inputs marked Y/Pr/Pb orY/Cr/Cb, connect these outputs to the correspon-ding inputs. If you have a high-definition televi-sion or projector that is compatible with highscan rate progressive video, connect these jacksto the “HD Component” inputs. Note that if youare using a progressive scan display device, then”Progressive” must be selected in the Video Set-up Menu in order to take advantage of the progressive scan circuitry. See page 22 for moreinformation on progressive scan video.IMPORTANT:These jacks should NOT be connected to standard composite video inputs.?SCART OUT (TV): If your TV has a SCARTsocket, you can connect a SCART cable to yourTV and to your DMC 250 Player for improvedvideo quality. The SCART cable carries bothaudio and video