HarmanKardon-AVR70_230-avr-sm维修电路原理图.pdf

Harman Kardon Service Manual AVR 70/230 5x75W 5.1 CHANNEL A/V RECEIVER Released EU2012 Harman Consumer Group, Inc. Rev 0, 06/2012 8500 Balboa Boulevard Northridge, California 91329 CONTENTS SEMICONDUCTOR PINOUTS 46 PCB DRAWINGS 63 BLOCK DIAGRAMS 74 WIRING DIAGRAM 78 SCHEMATIC DIAGRAMS 79 ESD WARNING 2 OWNERS MANUAL 3 EXPLODED VIEW AND PARTS 29 TROUBLESHOOTING 30 PARTS LIST 33 RadioFans.CN 收音机爱 好者资料库Eachprecautioninthismanualshouldbefollowedduringservicing.Components identified with the IEC symbolin the parts list are special significance to safety. When replacing a component identified with, use only the replacement parts designated, or parts with the same ratings or resistance, wattage, or voltage that are designated in theparts list in this manual. Leakage-current or resistance measurements must be made to determine that exposed parts are acceptablyinsulated from the supply circuit before retuming the product to the customer.Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are calledElectrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field effect transistors andsemiconductor chip components.The following techniques should be used to help reduce the incidence of component damage caused by static electricity.1. Immediately before handling any semiconductor component or semiconductor-equipped assembly, drain off any electrostatic charge onyour body by touching a known earth ground. Alternatively, obtain and wear a commercially available discharging wrist strap device,which should be removed for potential shock reasons prior to applying power to the unit under test.2. After removing an electrical assembly equipped with ES devices, place the assembly on a conductive surface such as aluminum foil, toprevent electrostatic charge build-up or exposure of the assembly.3. Use only a grounded-tip soldering iron to solder or unsolder ES devices.4. Use only an anti-static solder removal device. Some solder removal devices not classified as anti-static can generate electrical chargessufficient to damage ES devices.5. Do not use freon-propelled chemicals. These can generate electrical change sufficient to damage ES devices.6. Do not remove a replacement ES device from its protective package until immediately before you are ready to install it. (Most replacementES devices are packaged with leads electrically shorted together by conductive foam, aluminum foil or comparable conductive material.)7. Immediately before removing the protective material from the leads of a replacement ES device, touch the protective material to thechassis or circuit assembly into which the device will be installed.Be sure no power is applied to the chassis or circuit, and observe all other safety precautions.8. Minimize bodily motions when handling unpackaged replacement ES devices. (Otherwise harmless motion such as the brushing togetheror your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity sufficient to damage an ES devices.CAUTION : harman/kardonService manual AVR745EUPage 2 of 118RadioFans.CN 收音机爱 好者资料库Audio/video receiverAVR 700/AVR 70/AVR 70COwners ManualFPOAVR 700/AVR 70/AVR 70C2IntroductIon 3SupplIed AcceSSorIeS 3ImportAnt SAfety InformAtIon 3plAce the AVr 3front-pAnel controlS 4reAr-pAnel connectorS 5SyStem remote control functIonS 6IntroductIon to home theAter 8typIcAl home theAter SyStem 8multIchAnnel AudIo 8Surround modeS 8plAce your SpeAkerS 8plAcIng the left, center And rIght SpeAkerS 8plAcIng the Surround SpeAkerS 8plAcIng the Subwoofer 8typeS of home theAter SyStem connectIonS 9SpeAker connectIonS 9Subwoofer connectIonS 9Source deVIce connectIonS 9VIdeo connectIonS 10rAdIo connectIonS 10uSb port 10mAkIng connectIonS 11connect your SpeAkerS 11connect your Subwoofer 11connect your tV or VIdeo dISplAy 11connect your Source deVIceS 11connect the rAdIo AntennAS 13connect to Ac power 13InStAll bAtterIeS In the remote control 13Set up the AVr 14turn on the AVr 14uSIng the on-Screen menu SyStem 14confIgure the AVr for your SpeAkerS 15AddItIonAl Setup menu ItemS 15operAtIng your AVr 16controllIng the Volume 16mutIng the Sound 16lIStenIng through heAdphoneS 16SelectIng A Source 16VIdeo troubleShootIng tIpS 16lIStenIng to fm And Am rAdIo 16lIStenIng to medIA on A uSb deVIce 16SelectIng A Surround mode 17AdVAnced functIonS 17AudIo proceSSIng And Surround Sound 17AdjuStIng the chAnnel VolumeS 17recordIng 17Sleep tImer 18proceSSor reSet 18memory 18troubleShootIng 19SpecIfIcAtIonS 20AppendIx 21Table of ContentsAVR 700/AVR 70/AVR 70C3Introduction, Supplied Accessories, Important Safety Information and Place the AVRIntroductionThank you for choosing this Harman Kardon product! for more than fifty years, the harman kardon mission has been to share a passion for music and entertainment, using leading-edge technology to achieve premium performance. Sidney harman and bernard kardon invented the receiver, a single component designed to simplify home entertainment without compromising performance. over the years, harman kardon products have become easier to use while offering more features and sounding better than ever.the AVr 70, AVr 700 and AVr 70c 5.1-channel digital audio/video receivers (AVrs) continue this tradition with some of the most advanced audio and video processing capabilities yet and a wealth of listening and viewing options.to obtain the maximum enjoyment from your new AVr, please read this manual and refer back to it as you become more familiar with its features and their operation.If you have any questions about this product, its installation or its operation, please contact your harman kardon retailer or custom installer, or visit our web site at .Supplied Accessoriesthe following accessory items are supplied with your AVr. If any of these items are missing, please contact your harman kardon dealer, or harman kardon customer service at . IR remote control AM loop antenna FM wire antenna Three AAA batteries AC power cordIMPORTANT SAFETY INFORMATIONVerify Line Voltage Before Usethe AVr 700 has been designed for use with 120-volt alternating current (Ac). the AVr 70 and AVr 70c have been designed for use with 220 240-volt Ac. connection to a line voltage other than that for which your AVr is intended can create a safety and fire hazard, and may damage the unit. If you have any questions about the voltage requirements for your specific model or about the line voltage in your area, contact your selling dealer before plugging the unit into a wall outlet.Do Not Use Extension Cordsto avoid safety hazards, use only the power cord supplied with your unit. we do not recommend that extension cords be used with this product. As with all electrical devices, do not run power cords under rugs or carpets, or place heavy objects on them. damaged power cords should be replaced immediately by an authorized service center with a cord meeting factory specifications.Handle the AC Power Cord Gentlywhen disconnecting the power cord from an Ac outlet, always pull the plug; never pull the cord. If you do not intend to use your AVr for any considerable length of time, disconnect the plug from the Ac outlet.Do Not Open the Cabinetthere are no user-serviceable components inside this product. opening the cabinet may present a shock hazard, and any modification to the product will void your warranty. If water or any metal object such as a paper clip, wire or staple accidentally falls inside the unit, disconnect it from the Ac power source immediately, and consult an authorized service center.CATV or Antenna Grounding (AVR 700)If an outside antenna or cable system is connected to this product, be certain that it is grounded so as to provide some protection against voltage surges and static charges. Section 810 of the united States national electrical code, AnSI/nfpA no. 70-1984, provides information with respect to proper grounding of the mast and supporting structure, grounding of the lead-in wire to an antenna discharge unit, size of grounding conductors, location of antenna discharge unit, connection to grounding electrodes and requirements of the grounding electrode.NOTE TO CATV SYSTEM INSTALLER: this reminder is provided to call the cAtV (cable tV) system installers attention to article 820-40 of the nec, which provides guidelines for proper grounding and, in particular, specifies that the cable ground shall be connected to the grounding system of the building, as close to the point of cable entry as possible.Place the AVR Place the AVR on a firm and level surface. Be certain that the surface and any mounting hardware can support the AVrs weight. Provide proper space above and below the AVR for ventilation. Recommended clearance distances are 30cm above the unit, 10cm behind the unit and 20cm on each side of the unit. If you install the AVR in a cabinet or other enclosed area, provide cooling air within the cabinet. under some circumstances, a fan may be required. Do not obstruct the ventilation slots on the top of the AVR or place objects directly over them. Do not place the AVR directly on a carpeted surface. Do not place the AVR in moist or humid locations, in extremely hot or cold locations, in areas near heaters or heat registers, or in direct sunlight.AVR 700/AVR 70/AVR 70C4Front-Panel ControlsFront-Panel ControlsMain Power switch: this mechanical switch turns the AVrs power supply on or off. It is usually left on and cannot be turned on or off using the remote control.Standby indicator: this led glows amber to indicate that the AVr is in the Standby mode.Power On/Standby button: press this button to turn the AVr on and put it into the Standby mode. when the AVr is on the power on indicator glows blue and the Standby indicator turns off.Stereo Mode button: places the AVr in the stereo listening mode.IR Sensor: this sensor receives infrared (Ir) commands from the remote control. It is important to ensure that the sensor is not blocked.Surround Mode Select buttons: press these buttons to select a surround listening mode. Surround-mode availability depends on the nature of the source input signal, i.e., digital versus analog, and the number of channels encoded within the signal.Tuning Up/Down buttons: use these buttons to tune radio stations according to the setting of the Am/fm button (see below).AM/FM button: press this button to listen to the radio. pressing this button when the radio is in use will select among the fm Stereo, fm mono and Am bands. See Listening to FM and AM Radio, on page 16, for more information.Message display: Various messages appear in this display in response to commands and changes in the incoming signal. In normal operation, the current source device name, surround mode and active input appear. when the on-screen display menu system (oSd) is in use, the current menu settings appear.IMPORTANT NOTE: If the protect message ever appears on the message display, turn off the AVr and unplug it from the Ac outlet. check all speaker wires for a possible short circuit (the “+” and “” conductors touching each other or both touching the same piece of metal). If a short circuit is not found, bring the unit to an authorized harman kardon service center for inspection and repair before using it again.Preset Selector buttons: when the radio is in use, press these buttons to cycle through your preset radio stations.(See Listening to FM and AM Radio, on page 16, for more information.) note: when youre listening to files on a uSb device, the tuning up/down buttons and the preset Selector buttons serve as the uSb devices transport control buttons.(See Playing Files on a USB Device, on page 16, for more information.)Source Select buttons: press these buttons to select the active source device.Memory/Folder button: when the radio is in use, press this button to set the current station as a preset. See Listening to FM and AM Radio, on page 16, for more information. when a uSb device is the active source deivce, press this button to display the contents of the current folder or to display all of the folders in the current directory level. See Playing files on a USB Device, on page 16, for more information.Headphone connector: connect a 1/4 stereo headphone plug to this jack for private listeningUSB Port: Insert a flash drive or hdd disk drive with a uSb Standard-A cable to this port.Volume control: turn this knob to raise or lower the volume.Video 3 Audio and Video Input connectors: connect an auxiliary audio/video source component that will be used only temporarily, such as a camcorder, portable music player or game console, here.Standby Indicatormessage displayVolume controlpower on Indicator (inside Volume control ring)memory/folder buttonSurround mode Select buttonsIr Sensormain power Switchon/Standby Switchheadphone connector Source Select buttonstuning up/down buttonStereo mode buttonpreset Selector buttonsAm/fm buttonuSb portVideo 3 Audio and Video Input connectorsAVR 700/AVR 70/AVR 70C5Rear-Panel ConnectorsRear-Panel ConnectorshdmI connectorsdigital Audio connectorsSubwoofer connectorAnalog Audio connectorsSpeaker connectorsradio Antenna connectorsAc Input connectorcomposite Video connectorsRadio Antenna connectors: connect the included Am and fm antennas to their respective terminals for radio reception. See Connect the Radio Antennas, on page 13, for more information.Digital Audio connectors: If your non-hdmI source devices have digital outputs, connect them to the AVrs digital audio connectors. See Connect Your Source Devices, on page 11, for more information.Analog Audio connectors: use the AVrs Analog Audio connectors for source devices that dont have hdmI or digital audio connectors. use the Video 1 out, Video 2 out and tape out connectors to connect to the audio inputs of Vcrs, tape decks or other analog recorders. See Connect Your Source Devices, on page 11, for more information.HDMI connectors: the hdmI (high-definition multimedia Interface) feature is a connection for transmitting digital audio and video signals between devices. If your source devices and tV have hdmI connectors, using them will provide the best possible video and audio performance quality. Since the hdmI cable carries both digital video and digital audio signals, you do not have to make any additional audio connections for devices you connect via hdmI connections. See Connect Your Source Devices, on page 11, for more information.Notes on using the HDMI Out connector: When connecting a DVI-equipped display to the HDMI Monitor Out connector, use an hdmI-to-dVI adapter and make a separate audio connection. Make sure the HDMI-equipped display is HDCP-compliant. If it isnt, do not connect it via hdmI; use an analog video connection instead and make a separate audio connection.Subwoofer connector: connect this jack to a powered subwoofer that has a line-level input connector. See Connect Your Subwoofer, on page 11,