HarmanKardon-DPR1001-avr-sm维修电路原理图.pdf
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1、harman/kardon DPR1001 DPR1001 DIGITAL PATH AUDIO/VIDEO RECEIVER SERVICE MANUAL CONTENTS ELECTROSTATICALLY SENSITIVE DEVICES.2 LEAKAGE TESTING.3 SPECIFICATIONS.4 DETAILED SPECIFICATIONS.5 FRONT PANEL CONTROLS.14 FRONT PANEL CONNECTIONS.15 REAR PANEL CONTROLS.16 REAR PANEL CONNECTIONS.17 MAIN REMOTE C
2、ONTROL FUNCTIONS.18 TROUBLESHOOTING GUIDE.21 PROCESSOR RESET.21 UNIT EXPLODED VIEW.22 EXPLODED VIEW PARTS LIST.23 BLOCK DIAGRAM.24 TECHNOLOGY OVERVIEW.25 POWER SUPPLY (SMPS).39 TUNER SCHEMATICS/SPECS.47 PCB DRAWINGS.52 MECHANICAL PARTS LIST.72 ELECTRICAL PARTS LIST. .74 SEMICONDUCTOR DATA.107 SCHEMA
3、TICS. .143 WIRING DIAGRAM. .164 PACKAGING.165 harman/kardon, Inc. 250 Crossways Park Dr. Woodbury, New York 11797 Rev1 1/2006 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
4、. 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
5、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 cir
6、cuits 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
7、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 equipp
8、ed 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 d
9、evices 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 bef
10、ore 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 protecti
11、ve material to thechassis or circuit assembly into which the device will be installed2Be 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 bru
12、shing 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 :2ELECTROSTATICALLY SENSITIVE (ES) DEVICESPRODUCT SAFETY NOTICE DPR1001DPR1001DPR1001 harman/kardonRadioFans.CN 收音机爱 好者资料库1. Inspect all l
13、ead dress to make certain thatleads are not pinched or that hardware is notlodged between the chassis and other metalpartsintheunit.2. Be sure that any protective devices such asnonmetallic control knobs, insulating fish-papers,cabinetbacks,adjustmentandcompartment covers or shields, isolationresist
14、or-capacitynetworks,mechanicalinsulators, etc. Which were removed for theservicingareproperlyre-installed.Before returning the unit to the user, perform the following safety checks :3. Be sure that no shock hazard exists ; check for leakagecurrentusingSimpsonModel229LeakageTester,standardequipment i
15、tem No. 21641, RCA Model WT540A or usealternatemethod asfollows : Plug the power cord directlyInto a 120 volt AC receptacle (do not use an IsolationTransformer for this test). Using two clip leads, connect a1500ohms,10wattResistorparalleledbya0.15uFcapacitor,inserieswithallexposedmetalcabinetpartsan
16、daknownearthground,suchas a water pipe or conduit. Use a VTVM or VOM with 1000 ohms per volt, or higher sensitivity to measure the AC voltage drop across theresistor. (See diagram) Move the resistor connection to each exposed metal part having a return path to the chassis (antenna, metal,cabinet,scr
17、ewheads,knobsandcontrolshafts,escutcheon,etc.)andmeasuretheACvoltagedropacrosstheresistor.(Thistestshouldbeperformedwiththe0.35voltRMSormoreisexcessiveandindicatesapotentialshockhazardwhichmustbecorrectedbeforereturningtheunittotheowner.3LEAKAGE TESTINGAVR1001harman/kardonDPR1001Audio SectionContinu
18、ous Average Power (FTC)All Channels: 50 Watts per channel 8 ohms, 1kHz, 0.19% THDPower Output per EIA 490A: 65 Watts x 7 8 ohmsInput Sensitivity/ImpedanceLinear (High-Level)200mV/47k ohmsSignal-to-Noise Ratio (IHF-A)90dBSurround System Adjacent Channel SeparationPro Logic I, II 40dBDolby Digital 55d
19、BDTS55dBFrequency Response 1W (+0dB, 3dB)20Hz 22kHzTransient Intermodulation Distortion (TIM)NoneNegative FeedbackNoneFM Tuner SectionFrequency Range87.5MHz 108MHzUsable SensitivityIHF 1.3V/13.2dBfSignal-to-Noise RatioMono/Stereo 70dB/68dBDistortionMono/Stereo 0.2%/0.3%Stereo Separation40dB 1kHzSele
20、ctivity400kHz, 70dBImage Rejection80dBIF Rejection90dBAM Tuner SectionFrequency Range520kHz 1710kHzSignal-to-Noise Ratio45dBUsable SensitivityLoop 500VDistortion1kHz, 50% Mod 0.8%Selectivity10kHz, 30dBVideo SectionTelevision FormatNTSCInput Level/Impedance1Vp-p/75 ohmsOutput Level/Impedance1Vp-p/75
21、ohmsVideo Frequency Response (Composite and S)10Hz 8MHz (3dB)Video Frequency Response (Component)10Hz 30MHz (3dB)GeneralPower RequirementAC 120V/60HzPower Consumption7.6W standby, 550W rated output,all channels drivenDimensions Width17.3 inches (440mm)Height4.75 inches (120mm)Depth18.75 inches (476m
22、m)Weight17 lb (7.7kg)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 and Power for the Digital Revolution are registered trademarks of Harman Internation
23、al Industries, Incorporated.is a trademark of Harman International Industries, Incorporated (patent no. 5,386,478).*Manufactured under license from Dolby Laboratories.“Dolby,”“Pro Logic” and the Double-D symbol are trademarks of Dolby Laboratories. Confidential Unpublished Works. 19921999 Dolby Labo
24、ratories, Inc.All rights reserved.Surround EX is a jointly developed technology of THX and Dolby Laboratories, Inc., and is a trademark of Dolby. Used under authorization.DTS, DTS Surround, DTS-ES and DTS Neo:6 are trademarks of Digital Theater Systems, Inc.Cirrus and Cirrus Logic are trademarks of
25、Cirrus Logic Inc.VMAx is a registered trademark of Harman International Industries, Incorporated, and is an implementation of Cooper Bauck Transaural Stereo under patent license.Logic 7 is a registered trademark of Harman International Industries, Incorporated.TiVo is a registered trademark of TiVo,
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