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1、Harman Kardon Service Manual AVR 165/230 5.1 CHANNEL A/V RECEIVER Released EU2011 Harman Consumer Group, Inc. Rev 0, 10/2011 8500 Balboa Boulevard Northridge, California 91329 CONTENTS EXPLODED VIEW AND PARTS 15 PARTS LIST 16 IC PINOUTS 40 PCB DRAWINGS 87 BLOCK DIAGRAMS 97 WIRING DIAGRAM 99 AMP BIAS
2、 ADJUSTMENT 100 SCHEMATIC DIAGRAMS 101-111 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 13 DISASSEMBLY 14 RadioFans.CN Eachprecautioninthismanualshouldbefollowedduringservicing. Components
3、 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 the parts list in this manual. Leakage
4、-current or resistance measurements must be made to determine that exposed parts are acceptably insulated 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 called Ele
5、ctrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field effect transistors and semiconductor chip components. The following techniques should be used to help reduce the incidence of component damage caused by static electricity. 1. Immediately bef
6、ore handling any semiconductor component or semiconductor-equipped assembly, drain off any electrostatic charge on your 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 p
7、rior 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, to prevent electrostatic charge build-up or exposure of the assembly. 3. Use only a grounded-tip soldering iron to solde
8、r 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 charges sufficient to damage ES devices. 5. Do not use freon-propelled chemicals. These can generate electrical change sufficient to damage ES
9、 devices. 6. Do not remove a replacement ES device from its protective package until immediately before you are ready to install it. (Most replacement ES devices are packaged with leads electrically shorted together by conductive foam, aluminum foil or comparable conductive material.) 7. Immediately
10、 before removing the protective material from the leads of a replacement ES device, touch the protective material to the chassis 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 b
11、odily motions when handling unpackaged replacement ES devices. (Otherwise harmless motion such as the brushing together or 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 165/230V Ser
12、vice Manual Page 2 of 111 RadioFans.CN 4 AVR 1650/AVR 165Front-Panel Controls Front-Panel Controls power Indicator Message display Volume knob Surround Mode Select buttons Set button Ir Sensor power button left/right buttons headphone Jack/ ezSet/eq Mic connector Source Select buttons tuning Mode bu
13、tton digital Input button Surround-Mode category button up/down buttons/ tuning buttons uSb port Aux Analog Audio Input connector channel level control button Harman KardonAVR 165/230V Service Manual Page 3 of 111 RadioFans.CN 5 AVR 1650/AVR 165 ENGLISH Front-Panel Controls, continued Front-Panel Co
14、ntrols, continued Power 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 t
15、he 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,
16、bring the unit to an authorized harman kardon service center 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 currentl
17、y 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 di
18、splay 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
19、. 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. 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
20、 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
21、 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
22、/right buttons to cycle through the available inputs. Although you can assign any digital audio input to any source, the analog 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/Tuni
23、ng 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 t
24、he 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/EzSe
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