HarmanKardon-AVR340-avr-sm维修电路原理图.pdf
《HarmanKardon-AVR340-avr-sm维修电路原理图.pdf》由会员分享,可在线阅读,更多相关《HarmanKardon-AVR340-avr-sm维修电路原理图.pdf(186页珍藏版)》请在收音机爱好者资料库上搜索。
1、 harman/kardon AVR340 AVR340 7 X 55W 7.1 CHANNEL A/V RECEIVER SERVICE MANUAL CONTENTS ESD WARNING.2 LEAKAGE TESTING.3 BASIC SPECIFICATIONS.4 PACKAGING.5 FRONT PANEL CONTROLS.6 REAR PANEL CONNECTIONS.9 REMOTE CONTROL FUNCTIONS.12 CONNECTIONS.16 OPERATION.19 TROUBLESHOOTING GUIDE.26 PROCESSOR RESET.26
2、 BULLETIN HK2006-0127 TECH TIP HK2003-01.28 DISASSEMBLY29 UNIT EXPLODED VIEW.32 EXPLODED VIEW PARTS LIST33 AMP BIAS ADJUSTMENT.34 BLOCK DIAGRAM.35 ELECTRICAL PARTS LIST.36 PCB DRAWINGS80 SEMICONDUCTOR PINOUTS.86 SCHEMATICS.178 WIRING DIAGRAM186 harman/kardon, Inc. 250 Crossways Park Dr. Woodbury, Ne
3、w York 11797 Rev 1 10/2006 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 w
4、ith 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 semico
5、nductor (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 s
6、hould 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
7、 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 ele
8、ctrostatic 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
9、.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 s
10、horted 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 po
11、wer 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
12、 static electricity sufficient to damage an ES devices.CAUTION :AVR340 AVR340 harman/kardon RadioFans.CN 收音机爱 好者资料库2SAFETY PRECAUTIONSThe following check should be performed for the continuedprotection of the customer and service technician.LEAKAGE CURRENT CHECKMeasure leakage current to a known ear
13、th ground (waterpipe, conduit, etc.) by connecting a leakage current testerbetween the earth ground and all exposed metal parts of theappliance (input/output terminals, screwheads, metaloverlays, control shaft, etc.). Plug the AC line cord of theappliance directly into a 120V AC 60Hz outlet and turn
14、 theAC power switch on. Any current measured must not exceedo.5mA.ANY MEASUREMENTS NOT WITHIN THE LIMITSOUTLINED ABOVE ARE INDICATIVE OF APOTENTIAL SHOCK HAZARD AND MUST BECORRECTED BEFORE RETURNING THE APPLIANCETO THE CUSTOMER.DeviceundertestTest allexposed metalsurfacesAlso test withplug reversed(
15、Using AC adapterplug as required)AC Leakage TestLeakagecurrenttesterReading shouldnot be above0.5mAEarthgroundAVR340 AVR340 harman/kardon 3AVR 340 TECHNICAL SPECIFICATIONSAudio SectionStereo Mode Continuous Average Power (FTC)70 Watts per channel, 20Hz20kHz, 0.07% THD, both channels driven into 8 oh
16、msSeven-Channel Surround Modes Power per Individual ChannelFront L&R channels:55 Watts per channel 0.07% THD, 20Hz20kHz into 8 ohmsCenter channel:55 Watts 0.07% THD, 20Hz20kHz into 8 ohmsSurround (L & R Side, L & R Back) channels:55 Watts per channel 0.07% THD, 20Hz20kHz into 8 ohmsInput Sensitivity
17、/ImpedanceLinear (High-Level)200mV/47k ohmsSignal-to-Noise Ratio (IHF-A)100dBSurround System Adjacent Channel SeparationPro Logic 40dBDolby Digital 55dBDTS55dBFrequency Response 1W (+0dB, 3dB)10Hz 130kHzHigh Instantaneous Current Capability (HCC)35 AmpsTransient Intermodulation Distortion (TIM)Unmea
18、surableSlew Rate40V/secFM Tuner SectionFrequency Range87.5108.0MHzUsable SensitivityIHF 1.3V/13.2dBfSignal-to-Noise RatioMono/Stereo 70/68dBDistortionMono/Stereo 0.2/0.3%Stereo Separation40dB 1kHzSelectivity400kHz, 70dBImage Rejection80dBIF Rejection90dBAM Tuner SectionFrequency Range5201720kHzSigna
19、l-to-Noise Ratio45dBUsable SensitivityLoop 500VDistortion1kHz, 50% Mod 0.8%Selectivity10kHz, 30dBVideo SectionTelevision FormatNTSCInput Level/Impedance1Vp-p/75 ohmsOutput Level/Impedance1Vp-p/75 ohmsVideo Frequency Response (Composite and S-Video)10Hz8MHz (3dB)Video Frequency Response (Component Vi
20、deo) 10Hz50MHz (3dB)GeneralPower RequirementAC 120V/60HzPower Consumption118W idle, 890W maximum (7 channels driven)Dimensions (Product)(Shipping)Width17.3 inches (440mm)21.5 inches (545mm) Height6.6 inches (168mm)9.9 inches (251mm) Depth15 inches (382mm)17.9 inches (455mm) (Product)(Shipping)Weight
21、 30.6 lb (13.9kg)35.2 lb (16kg)Depth measurement includes knobs, buttons and terminal connections.Height measurement includes feet and chassis.All features and specifications are subject to change without notice.Harman Kardon, Harman International, Power for the Digital Revolution and Logic 7 are re
22、gistered trademarks,and The Bridge and EzSet/EQ are trademarks,of Harman International Industries, Incorporated.Dolby, Pro Logic and the double-D symbol are registered trademarks of Dolby Laboratories.Manufactured under license from Dolby Laboratories.DTS, DTS Surround, DTS-ES, DTS 96/24 and DTS Neo
23、:6 are registered trademarks of DTS, Inc.VMAx is a registered trademark of Harman International Industries, Incorporated, and is an implementation of Cooper Bauck Transaural Stereo under patent license.SACD is a trademark of Sony Electronics Inc.iPod is a registered trademark, and Shuffle is a trade
24、mark, of Apple Computer, Inc.Please register your product on our Web site at . Note:Youll need the products serial number.At the same time, you may choose to be notified about our new products and/or special promotions.64 TECHNICAL SPECIFICATIONSAVR 340 OM 9/13/05 12:46 PM Page 64AVR340 AVR340 harma
25、n/kardon 4? ?AVR 340RB30L00RB30L00RH18Z00AVR340 AVR340 harman/kardon 5FRONT-PANEL CONTROLS1 Main Power Switch: Press this button to applypower to the AVR 340. When the switch is pressedin, the unit is in a Standby mode, as indicated by theamber Power Indicator 2. This button MUST bepressed in to ope
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- HarmanKardon AVR340 avr sm 维修 电路 原理图