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    HarmanKardon-AVR158_230-avr-sm维修电路原理图.pdf

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    HarmanKardon-AVR158_230-avr-sm维修电路原理图.pdf

    Harman Kardon Service Manual AVR 156/230 + AVR 158/230 5.1 CHANNEL A/V RECEIVERS Released EU2011 Harman Consumer Group, Inc. Rev 0, 10/2011 8500 Balboa Boulevard Northridge, California 91329 CONTENTS EXPLODED VIEW AND PARTS, AVR 156 15 EXPLODED VIEW AND PARTS, AVR 158 16 ELECTRICAL PARTS LIST, AVR 156 17 ELECTRICAL PARTS LIST, AVR 158 45 SEMICONDUCTOR PINOUTS 73 PCB DRAWINGS 115 BLOCK DIAGRAMS 125 WIRING DIAGRAM 127 AMP BIAS ADJUSTMENT 128 SCHEMATIC DIAGRAMS 129-139 ESD WARNING 2 FRONT AND REAR PANELS 3 REMOTE CONTROL 7 RESET REMOTE AND PROCESSOR 9 TROUBLESHOOTING GUIDE 10 BASIC SPECIFICATIONS 11 PACKAGE LISTS AND PARTS, AVR 156 12 PACKAGE LISTS AND PARTS, AVR 158 13 DISASSEMBLY 14 Harman KardonAVR 156+158/230V Service ManualPage 1 of 139RadioFans.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 KardonAVR 156+158/230V Service ManualPage 2 of 139RadioFans.CN 收音机爱 好者资料库4AVR 158Front-Panel ControlsFront-Panel Controlspower IndicatorMessage displayVolume knobSurround Mode Select buttonsSet buttonIr Sensorpower buttonleft/right buttonsheadphone JackSource Select buttonstuning Mode buttondigital Input buttonSurround-Mode category buttonup/down buttons/ tuning buttonsuSb portAux Analogue Audio Input connectorchannel level control button0296CSK - HK (x65Series) AVR158-230 OM HKP1992, WORK05.indd 430/06/11 13:59:59Harman KardonAVR 156+158/230V Service ManualPage 3 of 1395AVR 158ENGLISHFront-Panel Controls, continuedFront-Panel Controls, continuedPower indicator: this led has three possible modes:led is off: Indicates that the AVr is unplugged or the rear-panel Main power switch is off.led glows amber: Indicates that the AVr is in the Standby mode. led glows white: Indicates that the AVr is turned on. IMPORTANT NOTE: If the protect message ever appears on the AVrs front-panel 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 authorised harman kardon service centre for inspection and repair before using it again.IR sensor: this sensor receives infrared (Ir) commands from the remote control. It is important to ensure that the sensor is not blocked. Set button: press this button to select the currently highlighted menu item.Message display: Various messages appear in this two-line display in response to commands and changes in the incoming signal. In normal operation, the current source name appears on the upper line, while the surround mode is displayed on the lower line. when the on-screen display menu system (oSd) is in use, the current menu settings appear.Surround-Mode Select buttons: After you have selected the desired surround-mode category, press these buttons to select a specific mode within the category, such as to change from dolby pro logic II Movie mode to logic 7 Movie mode. Surround-mode availability depends on the nature of the source input signal, i.e., digital versus analogue, and the number of channels encoded within the signal.Volume knob: turn this knob to raise or lower the volume.Power button: press this button to turn the AVr on or to place it in the Standby mode.Tuning Mode button: this button toggles between manual (one frequency step at a time) and automatic (seeks frequencies with acceptable signal strength) tuning mode. It also toggles between stereo and mono modes when an FM station is tuned in.Channel Level Control button: press this button to activate the channel-level adjustment feature. After pressing this button, use the up/down buttons to select the channel for adjustment and use the left/right buttons to adjust the channels level.Digital Input button: press this button to change the audio input for the current source. use the left/right buttons to cycle through the available inputs. Although you can assign any digital audio input to any source, the analogue audio inputs are all permanently dedicated to the source with which they are labeled.Left/Right buttons: use these buttons to navigate the AVrs menus.Up/Down buttons/Tuning buttons: use these buttons to navigate the AVrs menus. when the radio is the active source, use these buttons to tune stations according to the setting of the tuning Mode button (see above).Surround-Mode Category button: press this button to select a surround-sound category. each press changes the surround-mode category: Auto Select, Virtual, Stereo, Movie, Music and Video game. to change the specific surround-sound mode within the category, use the Surround Mode Select buttons. See Audio processing and Surround Sound, on page 20, for more information on surround modes.Headphone jack: connect a 1/4 stereo headphone plug to this jack for private listening. Source Select buttons: press these buttons to select the active source.USB port: You can use this port to perform software upgrades that may be offered in the future. do not connect a storage device, a peripheral product or a pc here, unless instructed to do so as part of an upgrade procedure.Aux Analogue Audio Input connector: connect an auxiliary source component that will be used only temporarily, such as a camcorder, portable music player or game console, here.0296CSK - HK (x65Series) AVR158-230 OM HKP1992, WORK05.indd 530/06/11 13:59:59Harman KardonAVR 156+158/230V Service ManualPage 4 of 1396AVR 158Rear-Panel ConnectorsRear-Panel ConnectorshdMI Input connectorshdMI Monitor out connectorcomposite Video Monitor output connectordVd component Video Input connectorradio Aerial connectorsSubwoofer connectorAnalogue Audio Input/output connectorsSpeaker connectors12V trigger connectorMain power SwitchAc Input connectordigital Audio Input connectorscomposite Video Input connectorsVideo 2 out connector0296CSK - HK (x65Series) AVR158-230 OM HKP1992, WORK05.indd 630/06/11 14:00:00Harman KardonAVR 156+158/230V Service ManualPage 5 of 1397AVR 158ENGLISHRear-Panel Connectors, continuedRear-Panel Connectors, continuedRadio Aerial connectors: connect the included AM and FM aerials to their respective terminals for radio reception.HDMI Monitor Out connector: If your tV has an hdMI connector and you have hdMI or component video source devices, use an hdMI cable (not included) to connect it to the AVrs hdMI Monitor out connector. Notes on using the HDMI Monitor 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 analogue video connection instead and make a separate audio connection.HDMI Input connectors: the hdMI (high-definition Multimedia Interface) feature is a connection for transmitting digital audio and video signals between devices. If your source devices 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 13, for more information.Composite Video Monitor Out connector: If your tV or video display does not have an hdMI connector, or if your tV does have an hdMI connector but you are connecting some source devices with only composite video connectors, use a composite video cable (not included) to connect the AVrs composite Video Monitor out connector to your tVs composite video input connector. DVD Component Video Input connector: If your blu-ray disc or dVd player does not have an hdMI connector but does have a component video connector, using the component video connector will provide superior video performance. You will also need to make an audio connection from the player to the AVr.Digital Audio Input connectors: If your non-hdMI source devices have digital outputs, connect them to the AVrs digital audio connectors. NOTE: Make only one type of digital connection (hdMI, optical or coaxial) from each device. See connect Your Source devices, on page 13, for more information.Video 2 Out connector: connect an analogue video recorders video input connector to the AVrs Video 2 out connector. You can record any composite video input signal. NOTE: to record the audio and video from the source device, connect the AVrs Video 2 out Analogue output connectors to the analogue video recorders audio inputs.Composite Video Input connectors: use composite video connectors for video source devices that dont have hdMI or component video connectors. You will also need to make an audio connection from the source device to the AVr. See connect Your Source devices, on page 13, for more information.Subwoofer connector: connect this jack to a powered subwoofer with a line-level input. See connect Your Subwoofer, on page 13, for more information.Analogue Audio Input/Output connectors: use the AVrs Analogue Audio Input/output connectors for source devices that dont have hdMI or digital audio connectors. use the Video 2 out and tape out connectors to connect to the audio inputs of a Vcr and tape deck. See connect Your Source devices, on page 13, for more information.Speaker connectors: use two-conductor speaker wire to connect each set of terminals to the correct speaker. See connect Your Speakers, on page 13, for more information.Main 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.12V Trigger connector: this connector provides 12V dc whenever the AVr is on. It can be used to turn on and off other devices such as a powered subwoofer. AC Input connector: After you have made all other connections, plug the supplied Ac power cord into this receptacle and into an unswitched wall outlet.0296CSK - HK (x65Series) AVR158-230 OM HKP1992, WORK05.indd 730/06/11 14:00:00Harman KardonAVR 156+158/230V Service ManualPage 6 of 1398AVR 158System Remote Control FunctionsSystem Remote Control FunctionsIr transmitter lensMute buttonSource Selector buttonsVolume up/down buttonsSpeaker Setup buttonsok buttondelay buttonnumber buttonsMemory buttonMacro buttonstransport control buttonsdisplay dimmer buttonrdS buttonpreset Station up/down buttonsclear buttonleft/right/up/down buttonsprogram Indicator ledAVr buttonSleep/ch up/down buttonsoSd buttonchannel level control buttondigital Input buttontuning Mode buttondirect Station entry buttontuning up/down buttonstone control buttonnight Mode buttontrack Skip up/down buttonstest tone buttonpower off buttonpower on button0296CSK - HK (x65Series) AVR158-230 OM HKP1992, WORK05.indd 830/06/11 14:00:00Harman KardonAVR 156+158/230V Service ManualPage 7 of 1399AVR 158ENGLISHSystem Remote Control Functions, continuedSystem Remote Control Functions, continuedIn addition to controlling the AVr, the AVr remote is capable of controlling eight other devices. during the installation process, you may program the codes for each of your source components into the remote. (See program the remote to control Your Source devices and tV, on page 16, for programming information.) to operate a component, press its Source Selector button to change the remotes control mode.A buttons function depends on which component is being controlled. See table A10 in the Appendix for listings of the functions for each type of component. Most of the buttons on the remote have dedicated functions, although the precise codes transmitted vary depending on the specific device being controlled. due to the wide variety of functions for various source devices, we have included only a few of the most often-used functions on the remote: alphanumeric keys, transport controls, television-channel control, menu access and power on and off. to return the remote to the AVr control mode at any time, press the AVr button. IR Transmitter lens: As buttons are pressed on the remote, infrared codes are emitted through this lens.Program Indicator LED: this led lights up to indicate various procedures when the remote is in the programming mode.Power On/Off buttons: press these buttons to turn the AVr or the device being controlled on and off. the Main power switch on the AVr

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