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 Eachprecautioninthismanualshouldbefollowedduringservicing. Components identified with the IEC symbolin the parts list are special significance to safety. When re

4、placing 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-current or resistance measurements must be made to determine that exposed parts are accepta

5、bly 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 Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuit

6、s 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 before handling any semiconductor component or semiconductor-equipped assembly, drain off any e

7、lectrostatic 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 prior to applying power to the unit under test. 2. After removing an electrical assembly equi

8、pped 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 solder or unsolder ES devices. 4. Use only an anti-static solder removal device. Some solder remo

9、val 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 devices. 6. Do not remove a replacement ES device from its protective package until immedia

10、tely 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 before removing the protective material from the leads of a replacement ES device, touch th

11、e protective material to the chassis or circuit assembly into which the device will be installed2 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 su

12、ch 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 : 2 ELECTROSTATICALLY SENSITIVE (ES) DEVICES PRODUCT SAFETY NOTICE DPR1001 DPR1001DPR1001 harman/kardon RadioFans.CN 1. Ins

13、pect all lead dress to make certain that leads are not pinched or that hardware is not lodged between the chassis and other metal partsintheunit. 2. Be sure that any protective devices such as nonmetallic control knobs, insulating fish- papers,cabinetbacks,adjustmentand compartment covers or shields

14、, isolation resistor-capacitynetworks,mechanical insulators, etc. Which were removed for the servicingareproperlyre-installed. Before returning the unit to the user, perform the following safety checks : 3. Be sure that no shock hazard exists ; check for leakage currentusingSimpsonModel229LeakageTes

15、ter,standard equipment item No. 21641, RCA Model WT540A or use alternatemethod asfollows : Plug the power cord directly Into a 120 volt AC receptacle (do not use an Isolation Transformer for this test). Using two clip leads, connect a 1500ohms,10wattResistorparalleledbya0.15uFcapacitor,inserieswitha

16、llexposedmetalcabinetpartsandaknownearthground,such as 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 the resistor. (See diagram) Move the resistor connection to each exposed metal part having a return path to the chass

17、is (antenna, metal, cabinet,screwheads,knobsandcontrolshafts,escutcheon,etc.)andmeasuretheACvoltagedropacrosstheresistor.(Thistestshouldbe performedwiththe0.35voltRMSormoreisexcessiveandindicatesapotentialshockhazardwhichmustbecorrectedbeforereturningthe unittotheowner. 3 LEAKAGE TESTING AVR1001harm

18、an/kardon RadioFans.CN DPR1001 Audio Section Continuous Average Power (FTC) All Channels: 50 Watts per channel 8 ohms, 1kHz, 0.19% THD Power Output per EIA 490A: 65 Watts x 7 8 ohms Input Sensitivity/Impedance Linear (High-Level)200mV/47k ohms Signal-to-Noise Ratio (IHF-A)90dB Surround System Adjace

19、nt Channel Separation Pro Logic I, II 40dB Dolby Digital 55dB DTS55dB Frequency Response 1W (+0dB, 3dB)20Hz 22kHz Transient Intermodulation Distortion (TIM)None Negative FeedbackNone FM Tuner Section Frequency Range87.5MHz 108MHz Usable SensitivityIHF 1.3V/13.2dBf Signal-to-Noise RatioMono/Stereo 70

20、dB/68dB DistortionMono/Stereo 0.2%/0.3% Stereo Separation40dB 1kHz Selectivity400kHz, 70dB Image Rejection80dB IF Rejection90dB AM Tuner Section Frequency Range520kHz 1710kHz Signal-to-Noise Ratio45dB Usable SensitivityLoop 500V Distortion1kHz, 50% Mod 0.8% Selectivity10kHz, 30dB Video Section Telev

21、ision FormatNTSC Input Level/Impedance1Vp-p/75 ohms Output Level/Impedance1Vp-p/75 ohms Video Frequency Response (Composite and S)10Hz 8MHz (3dB) Video Frequency Response (Component)10Hz 30MHz (3dB) General Power RequirementAC 120V/60Hz Power Consumption7.6W standby, 550W rated output, all channels

22、driven Dimensions Width17.3 inches (440mm) Height4.75 inches (120mm) Depth18.75 inches (476mm) 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. H

23、arman Kardon and Power for the Digital Revolution are registered trademarks of Harman International 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 Doubl

24、e-D symbol are trademarks of Dolby Laboratories. Confidential Unpublished Works. 19921999 Dolby Laboratories, 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 a

25、nd DTS Neo:6 are trademarks of Digital Theater Systems, Inc. Cirrus and Cirrus Logic are trademarks of 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 regi

26、stered trademark of Harman International Industries, Incorporated. TiVo is a registered trademark of TiVo, Inc. ReplayTV is a registered trademark of SONICblue, Inc. TM DPR1001 harman/kardon BASIC SPECIFICATIONS 4 A) ANALOG INPUT, BASELINE AUDIO PARAMETERS (STEREO SURROUND MODE) Measuringmethods are

27、basedonIHF andIEC standard268-3 Measurement conditions,unless otherwisenoted: ToneOff or Tone(Bass,Treble), Balance,EQ control:Center Position, Other SWs :OFF,Volume:Max Nominalinput level:0dBFS sinewavePCM bitstream(Digital),225mVsinewave(Analog) Power figures shouldbekept minimum10min., between15

28、and35oC . Terminator :1kohmfor generalpurposeinputs AllVoltageMeasurements aremadewithRMS detector,unless otherwisespecified. Filter :IHF-Afilter UUT=Unit Under Test. Power supply : 120 V , 60 Hz MARKETING UNIT RATINGS.CONDITIONUNITVALUE Watts/Ch50 Watts/Ch50 Ohm 8 ohm, +/- 1 %, Non-Inductive, 455 W

29、 SPEAKERAVAILABLESPEAKER MODES *SUB-WOOFER SPKR:YES *SPKR LEVEL:ALL 0dB *TONE OUT SPEAKER POWER AMPLIFIER SECTION 11kHz 2 VOL at min. 10Hz-22KHz BW, peak detector, all inputs terminated w/ 1 Kohm mVpk3mV2mV VOL at min. 10Hz-22KHz BW, peak detector, all inputs terminated w/ 1 Kohm mVpk2.5mV1.5mV VOL

30、at max. 10Hz-22KHz BW, peak detector, all inputs terminated w/ 1 Kohm mVpk10mVpk8mVpk VOL at max. 10Hz-22KHz BW, peak detector, all inputs terminated w/ 1 Kohm mVpk4mVpk2.5mVpk VOL at max. 10Hz-22KHz BW, RMS , non-weighted, all inputs terminated w/ 1 Kohm mVrms4mVrms3mVrms VOL at max. 10Hz-22KHz BW,

31、 RMS , non-weighted, all inputs terminated w/ 1 Kohm mVrms1mVrms0.75mVrms VOL at max. 10Hz-22KHz BW, RMS , A Weighted, all inputs terminated w/ 1 Kohm mVrms3mVrms2.5mVrms VOL at max. 10Hz-22KHz BW, RMS , A Weighted, all inputs terminated w/ 1 Kohm mVrms0.7mVrms0.5mVrms VOL at max. 10Hz-22KHz BW, RMS

32、 , A Weighted, all inputs left un-terminated mVrms3mVrms2.5mVrms VOL at max. 10Hz-22KHz BW, RMS , A Weighted, all inputs left un-terminated mVrms0.7mVrms0.5mVrms 8CH STEREO 8 CH STEREO 8 CH STEREO 8 CH STEREO 8 CH STEREO 8 CH STEREO 20Hz 1k 20k 2254022520 0.65053 CD1kHz at 0.6%THD,10 Hz-80 KHz measu

33、rement BW.Volume at Max. W5053 CD20 KHz at 0.6%THD,10 Hz-80 KHz measurement BW.Volume at Max. W5053 8 CHDIRECT20 Hz at 0.6%THD,10 Hz-80 KHz measurement BW.Volume at Max. W5053 8 CHDIRECT1kHz at 0.6%THD,10 Hz-80 KHz measurement BW.Volume at Max. W5053 8 CHDIRECT20 KHz at 0.6%THD,10 Hz-80 KHz measurem

34、ent BW.Volume at Max. W5053 Shouldbemet by CHDIRECT Inputs Sinewave# 1 f =60Hz. Ampl=4, sinewave# 2 f=7 KHz.Ampl=1 30 step Sweep of GentoDrivetoPk-Pkvalueof sine ratedpower %0.60.4 Shouldbemet by allAnalogStereo Inputs Sinewave# 1 f =60Hz. Ampl=4, sinewave# 2 f=7 KHz.Ampl=1 30 step Sweep of GentoDri

35、vetoPk-Pkvalueof sine ratedpower %0.67075 Shouldbemet by CHDIRECT Inputs 1kHz Referredto1WOut.Volat max,allinputs terminatedw/ 1 Kohm.Shouldbemeasuredwitha 10 Hz-22 KHz BW, RMS noisereading dB5560 VID4 DVD 8 CH 8 CH TAPE CD VID1 VID2 VID3 20Hz 1k 20k 20Hz 1k 20k 20Hz 1k 20K ReferredtoRatedOutput Pow

36、er,Volat max,allinputs terminatedw/ 1 Kohm.Shouldbemeasuredwitha 10 Hz-22 KHz BW,RMS noisereading 0.60.45 0.25 1kHz Shouldbemet by allAnalogStereo Inputs 3 TOTAL HARMONIC DISTORTION (Rated8 CH DIRECT Power Output - 1 dB) TOTAL HARMONIC DISTORTION(1 W Power Output) TOTAL HARMONIC DISTORTION (1 WPower

37、 Output) 20Hz-20 KHz, Power out =Rated Power - 1 dB Volat Max,10 Hz-22KHz Meas BW.AWEIGHTED Shouldbemet by allStereoInputs 20Hz-10 KHz, Power out =1 W Volat Max,10 Hz-22KHz Meas BW.AWEIGHTED 8 CHDIRECT 4 CONTINUOUS AVERAGE POWER:A) Stereo,8 Ohmload, FLandFR driven. CONTINUOUS AVERAGE POWER:B) All 7

38、Channels Driven, 8 ohms Volat Max,10 Hz-22KHz Meas BW.AWEIGHTED8 CHDIRECT 20Hz-10 KHz, Power out =1 W IMD(SMPTE)5 % dB % 0.15 8085 % 7075 AM/FM Tuner Input 1 KHz ApplyanFM StereoRF input thrua 50-75 ohm dummyantenna (98 MHz carrier,75 KHz modulation, 1 KHz tone,72 dBuVlevel).Thenset UUT toFM Stereo,

39、 98MHz. Set Volumecontrolto10 dB belowMax. RecordtheFLandFR speaker output levelas therefere dB7585 8 CHDIRECT Inputs Tofindthepoint in theFrequency ResponseCurve, whereOutput Level falls by 3 dB, referredtothe1 Shouldbemet withVolumeat Max (50 mVinput) Use 10Hz-500KHz BW Hz 20 Hz- 18KkHz 10 Hz-20 k

40、Hz 8 ch 8 ch stereo 8 ch stereo 8 ch stereo 8 ch stereo DVD 8 CH stereo CD VID1 VID2 VID3 VID4 DVD TAPE VID4 CD VID1 VID2 VID3 TAPE 5575 AllAnalogStereo and8 CHDIRECT Inputs 10 kHz Volumeat Max. ApplySinewaveSignalGenamplitude tothetestedinput,toobtainR/O-3dB at thespeaker outputs.RecordtheFLandFR s

41、peaker output levelas thereferenceoutput.Scrollthruother stereoinputs, and measuretheoutput level.Computeth dB Volumeat Max.ApplySinewaveSignalGenamplitude tothetestedinput,toobtainR/O-3dB at thespeaker outputs.Recordtheoutput levelas thereferenceoutput. Then,scrollthrutheother possiblestereoinputs,

42、 and measuretheoutput level.Computet dB7075 Volat Max,GenamplitudeadjustedtoobtainR/O-3dB, measuredw/ APs Xtalkmode.Drivingeverychannel individually. Undrivenchannels shouldbeterminated w/1 kOhm.Use10Hz-22KHz BW dB5060 Volat Max,GenamplitudeadjustedtoobtainR/O-3dB, measuredw/ APs Xtalkmode.Drivingev

43、erychannel individually. Undrivenchannels shouldbeterminated w/1 kOhm.Use10Hz-22KHz BW dB6065 100Hz Volat Max,GenamplitudeadjustedtoobtainR/O-3dB, measuredw/ APs Xtalkmode.Drivingeverychannel individually. Undrivenchannels shouldbeterminated w/1 kOhm.Use10Hz-22KHz BW dB5560 1kHz STER EO 8CH AllAnalo

44、gStereo Inputs Tofindthepoint in theFrequency ResponseCurve, whereOutput Level falls by 3 dB, referredtothe1 KHz point. 1kHz Shouldbemet by 8CHDIRECTInputs Shouldbemet by allAnalogStereo Inputs 10kHz AllAnalogStereo and8 CHDIRECT Inputs 1 kHz 6 S/NRATIO,IHF-A FILTER 7 CHANNEL SEPARATION: Zterm= 1KW/

45、1000pF IHF-AFILTER Shouldbemet by allAnalogStereo and8 CHDIRECT Inputs 9 FREQUENCY RESPONSE 8 FUNCTION CROSSTALK, (Measuredonall Channels) IHF-AFILTER 5 Hz-22 kHz 10 Hz-20 kHz Referredto1WOut.Volat max,allinputs terminatedw/ 1 Kohm.Shouldbemeasuredwitha 10 Hz-22 KHz BW, RMS noisereading Vol.max inpu

46、t:50 mV dB Shouldbemet withVolumeat Max (50 mVinput),and alsowithVolumeat 40 dB belowMax (5 Vinput). Hz 5560 1kHzdB8085 8 CHDIRECT Inputs Tofindthepoint in theFrequency ResponseCurve, whereOutput Level falls by 3 dB, referredtothe1 Shouldbemet withVolumeat Max (50 mVinput) Use 10Hz-500KHz BW Hz 20 H

47、z- 18KkHz 10 Hz-20 kHz TAPE CD VID1 VID2 VID3 VID4 DVD 8 CHDIRECT Inputs Testedat 8 CH DIRECT Mode RatedPower -3dB -THD0.6% Testedin8 CHDIRECT Mode,at 8CHDIRECT Rated Power -3dB. FindtheInput SinawaveFrequencyPoint whereTHDincreases to0.6%.RecordtheFrequency. HzkHz20-20kHz20-22kHz STER EO 8CH STER EO 8CH AllAnalogStereo Inputs Tofindthepoint in theFrequency ResponseCurve, whereOutput Level falls by 3 dB, 10 POWER BANDWIDTH - 3dB CD 9 FREQUENCY RESPONSE 20-22kHz 5 Hz-22 kHz HzkHz Testedat Stereo ModeRatedPower -3dB -THD 0.6% TestedinStereoMode,at StereoRatedPower