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1、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、 2 OWNERS MANUAL 3 EXPLODED VIEW AND PARTS 29 TROUBLESHOOTING 30 PARTS LIST 33 RadioFans.CN Eachprecautioninthismanualshouldbefollowedduringservicing. Components identified with the IEC symbolin the parts list are special significance to safety. When replacing a component identified with , use only
3、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-current or resistance measurements must be made to determine that exposed parts are acceptably insulated from the supply circuit before re
4、tuming the product to the customer. Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field effect transistors and semicon
5、ductor 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 on your body by touching a
6、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 c
7、onductive 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 solder or unsolder ES devices. 4. Use only an anti-static solder removal device. Some solder removal devices not classified as anti-static can g
8、enerate electrical charges sufficient 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
9、replacement ES 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 the chassis or circuit
10、 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 together or your clothes fab
11、ric or the lifting of your foot from a carpeted floor can generate static electricity sufficient to damage an ES devices. CAUTION : harman/kardonService manual AVR745EU Page 2 of 118 RadioFans.CN Audio/video receiver AVR 700/AVR 70/AVR 70C Owners Manual FPO RadioFans.CN AVR 700/AVR 70/AVR 70C 2 Intr
12、oductIon 3 SupplIed AcceSSorIeS 3 ImportAnt SAfety InformAtIon 3 plAce the AVr 3 front-pAnel controlS 4 reAr-pAnel connectorS 5 SyStem remote control functIonS 6 IntroductIon to home theAter 8 typIcAl home theAter SyStem 8 multIchAnnel AudIo 8 Surround modeS 8 plAce your SpeAkerS 8 plAcIng the left,
13、 center And rIght SpeAkerS 8 plAcIng the Surround SpeAkerS 8 plAcIng the Subwoofer 8 typeS of home theAter SyStem connectIonS 9 SpeAker connectIonS 9 Subwoofer connectIonS 9 Source deVIce connectIonS 9 VIdeo connectIonS 10 rAdIo connectIonS 10 uSb port 10 mAkIng connectIonS 11 connect your SpeAkerS
14、11 connect your Subwoofer 11 connect your tV or VIdeo dISplAy 11 connect your Source deVIceS 11 connect the rAdIo AntennAS 13 connect to Ac power 13 InStAll bAtterIeS In the remote control 13 Set up the AVr 14 turn on the AVr 14 uSIng the on-Screen menu SyStem 14 confIgure the AVr for your SpeAkerS
15、15 AddItIonAl Setup menu ItemS 15 operAtIng your AVr 16 controllIng the Volume 16 mutIng the Sound 16 lIStenIng through heAdphoneS 16 SelectIng A Source 16 VIdeo troubleShootIng tIpS 16 lIStenIng to fm And Am rAdIo 16 lIStenIng to medIA on A uSb deVIce 16 SelectIng A Surround mode 17 AdVAnced functI
16、onS 17 AudIo proceSSIng And Surround Sound 17 AdjuStIng the chAnnel VolumeS 17 recordIng 17 Sleep tImer 18 proceSSor reSet 18 memory 18 troubleShootIng 19 SpecIfIcAtIonS 20 AppendIx 21 Table of Contents RadioFans.CN AVR 700/AVR 70/AVR 70C 3 Introduction, Supplied Accessories, Important Safety Inform
17、ation and Place the AVR Introduction Thank 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 invente
18、d 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 re
19、ceivers (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 featur
20、es 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 www. . Supplied Accessories the following accessory items are supplied with your AVr. If any of these item
21、s 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 cord IMPORTANT SAFETY INFORMATION Verify Line Voltage Before Use the AVr 700 has been designed for use with 120-volt alternat
22、ing 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 specif
23、ic 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 Cords to 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 a
24、ll 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 Gently when disconnecting the power cord from a
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