HarmanKardon-AVR1550-avr-sm维修电路原理图.pdf

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1、AVR1550 Audio/VideoReceiverSERVICE MANUALPower for the Digital RevolutionRadioFans.CN 收音机爱 好者资料库 TECHNICAL SPECIFICATIONSTechnical SpecificationsAudio SectionStereo Mode Continuous Average Power (FTC)50 Watts per channel, 20Hz20kHz, 0.07% THD, both channels driven into 8 ohmsFive-Channel Surround Mo

2、des Power Per Individual ChannelFront L&R channels:40 Watts per channel, 0.07% THD, 20Hz20kHz into 8 ohmsCenter channel:40 Watts, 0.07% THD, 20Hz20kHz into 8 ohmsSurround channels:40 Watts per channel, 0.07% THD, 20Hz20kHz into 8 ohmsInput Sensitivity/Impedance Linear (High Level)200mV/47kohmsSignal

3、-to-Noise Ratio (IHF-A)90dBSurround System Adjacent Channel Separation Analog Decoding 40dB (Pro Logic, etc.) Dolby Digital (AC-3) 55dB DTS55dBFrequency Response 1W (+0dB, 3dB)10Hz65kHzHigh Instantaneous Current Capability (HCC)25 AmpsTransient Intermodulation Distortion (TIM)UnmeasurableFM Tuner Se

4、ctionFrequency Range87.5108MHzUsable SensitivityIHF 1.3 V/13.2dBfSignal-to-Noise RatioMono/Stereo: 70/65dB (DIN)DistortionMono/Stereo: 0.15/0.3%Stereo Separation35dB 1kHzSelectivity300kHz: 65dBImage Rejection80dBIF Rejection90dBAM Tuner SectionFrequency Range5201611kHzSignal-to-Noise Ratio45dBUsable

5、 SensitivityLoop: 500VDistortion1kHz, 50% Mod: 0.8%Selectivity9kHz: 30dBVideo SectionVideo FormatPAL/NTSCInput Level/Impedance1Vp-p/75 ohmsOutput Level/Impedance 1Vp-p/75 ohmsVideo Frequency Response10Hz8MHz (3dB)GeneralPower RequirementAC 220-240V/50HzPower Consumption72W idle, 580W maximum (2 chan

6、nels driven)Dimensions (Max)Width440mm Height166mm Depth435mm Weight11 kgDepth 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 is a registered trademark, and P

7、ower for the digital revolution is atrademark, of Harman International Industries, Inc.*Manufactured under license from Dolby Laboratories.“Dolby,”“Pro Logic II”,“AC-3” and the Double-D symbol are trademarks of Dolby Laboratories. Confidential Unpublished Works. 19921999 Dolby Laboratories, Inc.All

8、rights reserved.DTS and DTS Surround are trademarks of Digital Theater Systems, Inc. UltraStereo is a trademark of UltraStereo Corp.Crystal is a registered trademark of Cirrus Logic Corp.RadioFans.CN 收音机爱 好者资料库TROUBLESHOOTING GUIDE Troubleshooting GuideProcessor ResetIn the rare case where the units

9、 operation or thedisplays seem abnormal,the cause may involvethe erratic operation of the systems memory ormicroprocessor.To correct this problem, first unplug the unit fromthe AC wall outlet and wait at least three min-utes. After the pause, reconnect the AC powercord and check the units operation.

10、 If the systemstill malfunctions, a system reset may clear theproblem.To clear the AVR 1550s entire system memoryincluding tuner presets, output level settings,delay times and speaker configuration data, firstput the unit in Standby by pressing the SystemPower Control button 2. Next, press theTone M

11、ode6and the RDSbuttons simul-taneously.The unit will turn on automatically and displaythe RESET message in the MainInformation Display M.Note that once youhave cleared the memory in this manner,it is nec-essary to re-establish all system configurationsettings and tuner presets.NOTE: Resetting the pr

12、ocessor will erase anyconfiguration settings you have made for speak-ers, output levels, surround modes, digital inputassignments as well as the tuner presets.After areset the unit will be returned to the factory presets, and all settings for these items must bereentered.If the system is still opera

13、ting incorrectly, theremay have been an electronic discharge or severeAC line interference that has corrupted the memory or microprocessor.If these steps do not solve the problem, consultan authorized Harman Kardon service depot.SYMPTOMCAUSESOLUTIONUnit does not function when No AC Power Make certai

14、n AC power cord is plugged Main Power Switch 1is pushedinto a live outlet Check to see if outlet is switch controlledDisplay lights, but no sound Intermittent input connections Make certain that all input and speaker or pictureconnections are secure Mute is on Press Mute button 2 Volume control is d

15、own Turn up volume controlSound is heard, but Front-Panel Display brightness is turned off Follow the instructions in the Display Brightness section Display does not light on page 23 so that the display is set to VFD FULLNo sound from any speaker; Amplifier is in protection mode Check speaker-wire c

16、onnections for shorts at receiver light around Power switch2is reddue to possible shortand speaker ends Amplifier is in protection mode Contact your local Harman Kardon service depotdue to internal problemsNo sound from surround or Incorrect surround mode Select a mode other than Stereocenter speake

17、rs Incorrect configuration Check speaker mode Stereo or Mono program material With (analog or digital) Dolby surround modes, the surround decoder may not create rear-channel information from non-encoded programs Speakers not properly connected Check speaker-wire connections or use test toneto verify

18、 connections (see page 18)Unit does not respond to Weak batteries in remote Change remote batteriesremote commands Wrong device selected Press the AVR selector 5 Remote sensor5is obscured Make certain front-panel sensor is visible to remote or connect remote sensorIntermittent buzzing in tuner Local

19、 interference Move unit or antenna away from computers, fluorescent lights,motors or other electrical appliancesLetters flash in the Channel Indicator Digital audio feed paused Resume play for DVDDisplay Pand Digital Audio stops Check that Digital Signal is fed to the Digital Input selectedposPart n

20、umber qtydescription 1551780501AC PUN COVER TOP 2551557401DISPLAY HNA-10MM223550884001CONN-PHJAC 6.35 ST HORZ EST-J6313 4551243501AC PUN BRACKET HEADPHONE5551780001SWIPUSH POWER SWITCH 5.0A 250.0V 100MI0OHM 1T 2P6554989801AC MLD BUTTON INDICATOR STAND-BY AVR1550 -7551778101AC DEC BUTTON POWER HIPS 8

21、554988801AC DEC BUTTON STANDBY AVR15509555108801AC CPL PLATE BADGE HARMAN/KARDON GOLD10554987501AC DEC CABINET PANEL FRONT AVR155011551778001AC DEC CRYSTAL FILTER DISPLAY12554987901AC DEC CRYSTAL DISPLAY AVR155013551777401AC DEC KNOB MAIN HIPS 94H14552301301AC DEC BUTTON 7 KEY 15554987701AC DEC BUTT

22、ON 8 KEY AVR1550 -16551137401CON PHONO SCKT RCA-307 3 PINS17551139601CON DIN SCKT SOCKET CONNECTOR SVHS EST-S408J185514527020SWITACT VERTICAL TACTILE F/B 50MI0A 12.0V 500MI0OHM19551789601AC SPRING PLATE SPRING GND C5212 0.2T AVR52020551349001SWIROT EC16B24204A5 5V 500U0A 10T 3P21552443201AC MLD HOLD

23、ER FL-GUIDE HIPS 94HB 22551559301IC-REMOTE RPM6938-RSIP-A3 RECEIVER 38KHZ23551782501AC CPL CABINET CHASSIS FRONT SECC 1.0T 24551926501AC CPL CABINET CHASSIS MAIN 25551243101AC PUN BRACKET TRANS 26556303901TF-LAM POWER-TRANSFORMER 230V275522774A1EPR TUNER MODULE KST-M1114MW1-60A 28551263501AC MLD BUT

24、TON SUPPORT29551495203CON DIN SCKT MIX SOCKET RCA-118JP1S30551781702AC PUN BRACKET FRAME-GUIDE SECC T1.0 -31554990801AC CPL REAR PANEL AVR155032551251801AC MLD CLAMP AC CORD33207201101WIRE-MCRDM 0.82MM2 2000MM BK345526108010AC KNOB CORK SH08M790B0 BK PL35206341903,5 FELT BK 30.0MM X 25.0MM 0.8MM 0MM

25、 0 036553111501AC HEATSINK DIODE 37552122501CABLE-FIX CLAMP WIRE UL DENNISON 0 038552622401CONN-SPE TERMINAL SPKR 6P - FE 4.5MM 6 GN 0 039552984301AC HEATSINK REG TR 3P40551301701AC HEATSINK REG TR 2P41551913901CONN-SPE TERMINAL SPKR 4P SH0410376P FE 19MM 42552622301CON PHONO SCKT RCA 2P43551763302C

26、ON PHONO SCKT RCA 4P JW4104RS GND44550882301CON PHONO SCKT RCA-606P 6 PINS45551913701CON PHONO SCKT RCA 1P JACK JE010003XN46552463702CON PHONO SCKT RCA 1P W/GND JE010003LN OGAVR1550 EXPLODED VIEW PART LIST 2002.10.0547551254301D-LEM TORX178B RD RND CL48551243201AC PUN BRACKET AC3 PCB 49551322202AC P

27、UN BRACKET MAIN PCB RT2280 -50551843001AC HEATSINK POWER AL6063T5 5.0T51551649803AC MLD BRACKET SPACE PCB PLASTIC52551252208AC RAW BUFFER PCB53552277701AC PUN COVER BOTTOM SECC T1.0 54551747604AC FOOT RUBBER ROUND 3.0MM 25.0MM JIS 60 Y DIA55551781104AC FOOT ASSY ROUND 15.8MM 50MM NOT DEFINED Y DIAS1

28、5512707062SCREW-ST 3MM 10MM JIS B 1122 19 0 0S25512712032SCREW-ST 3MM 8MM JIS B 1122 J5636140040X 53 0 0S3551272807SCREW-ST 3MM 6MM JIS B 1122 25 0 0S4551271408SCREW-ST 4MM 8MM JIS B 1122 J5636140130X 25 0 0S5551783404SCREW-ST 4MM 10MM A124008000 53 0 A4S6551272903SCREW-ST 3MM 18MM JIS B 1122 J80600

29、031810 53 0 0S75517832015SCREW-ST 3MM 12MM JIS B 1122 53 0 A4SG5513546023SCREW-SPEC 3MM 10MM JIS 27 0 0W15512731010WASHER 3.3MM 8.0MM 0.5MM Y 53 0 A4W25512730015WASHER-SPR 3.1MM 6.2MM 0.8MM Y 53 0 I4W3551686904AC SPRING WASHER RT2250(PAV5005)W4551317304WASHER 4.8MM 12MM 1.0MM - 53 0 I5L1554987203AC

30、PRI LABEL BARCODE AVR1550L2551747801AC PRI LABEL DATEL3553734901AC PRI LABEL MADE IN PRCL4209328702AC PRI LABEL QC CHECK CRKD1217(20 X 13MM)L5551491502AC PRI LABEL RISK CDRW1211L6554993801AC PRI LABEL SERIAL AVR1550F1201947801CABLE-FIX CABLE-TIE THE FITMOS PLASTIC 0 0F2203701903CABLE-FIX WIRE-TIE ME

31、LLERMAI TYPE T18R 0 0F32018185013CABLE-FIX WIRE-TIE WITH LOCK DENNISON TRANSOCEANICC1551488401FCORE FERRIT MAGNET RING34 34.5X21X12 K-150C2551571901FCORE FERRIT MAGNET W5T 20X10X10 F5P554987301AC BOOK INSTR AVR1550P555400201AC BOOK INSTR SAFETY BOOKLETP554987101AC CARTON AVR1550P206760901AC CPL BAG

32、PE 230MM X 120MMP551648901AC CPL BAG POLY PE T0.05 500MM X 300MMP551787701AC PRI LABEL SAFETY LEAFP551706601AC SHEET EPE DVD5 920MM X 1000MMP551274601ANTENNA WIRE 75 OHM WIRE CT03-FM 0 0P551274901ANTENNA WIRE ANTENNA LOOP CT01-AM 0 0P5502022A2BATNCALK 1.5V AAA 1.15 AHP203576201TAPE-ADH ROLL 3M #373

33、0.06MM 76MM TRAP201948401TAPE-ADH ROLL 3M#610 0.11MM 12.7MM -P551786102AC CPL ENDCAP CUSHION POLY 0.024Page 1/6PosTocom#SNameC60220936650CC 100P0F +10% -10% 50.0V Y5PC60355126070CC 680P0F +10% -10% 50.0V 2B4C60714039240CC 15P0F +5% -5% 50.0V SLC61620936650CC 100P0F +10% -10% 50.0V Y5PC61755126070CC

34、680P0F +10% -10% 50.0V 2B4C62114039240CC 15P0F +5% -5% 50.0V SLC63020936650CC 100P0F +10% -10% 50.0V Y5PC63155126070CC 680P0F +10% -10% 50.0V 2B4C63514039240CC 15P0F +5% -5% 50.0V SLC64320936650CC 100P0F +10% -10% 50.0V Y5PC64455126070CC 680P0F +10% -10% 50.0V 2B4C64814039240CC 15P0F +5% -5% 50.0V S

35、LC65620936650CC 100P0F +10% -10% 50.0V Y5PC65755126070CC 680P0F +10% -10% 50.0V 2B4C66114039240CC 15P0F +5% -5% 50.0V SLD60170436540D-SLP 1N4148 100.0V 150E-3AD60270436540D-SLP 1N4148 100.0V 150E-3AD60370436540D-SLP 1N4148 100.0V 150E-3AD60470436540D-SLP 1N4148 100.0V 150E-3AD60570436540D-SLP 1N4148

36、 100.0V 150E-3AD60670436540D-SLP 1N4148 100.0V 150E-3AD60770436540D-SLP 1N4148 100.0V 150E-3AD60870436540D-SLP 1N4148 100.0V 150E-3AD60970436540D-SLP 1N4148 100.0V 150E-3AD61070436540D-SLP 1N4148 100.0V 150E-3AR60111059640RCF 1K0 OHM +5% 250MI0WR60230939490RCF 33K0 OHM +5% 250MI0WR60330939370RCF 15R

37、0 OHM +5% 250MI0WR60430939370RCF 15R0 OHM +5% 250MI0WR60511059630RCF 680R0 OHM +5% 250MI0WR60630939460RCF 750R0 OHM +5% 250MI0WR60730939460RCF 750R0 OHM +5% 250MI0WR60850882940RCF 68R0 OHM +5% 250MI0WR60950882960RCF 150R0 OHM +5% 250MI0WR61030939480RCF 10K0 OHM +5% 250MI0WR61120469510RCF 43K0 OHM +5

38、% 250MI0WR61230939490RCF 33K0 OHM +5% 250MI0WR61320469460RCF 2K2 OHM +5% 250MI0WR61460441560RCF 560R0 OHM +5% 250MI0WR61560441560RCF 560R0 OHM +5% 250MI0WR61660441560RCF 560R0 OHM +5% 250MI0WR61760441560RCF 560R0 OHM +5% 250MI0WR61860441560RCF 560R0 OHM +5% 250MI0WR61960441560RCF 560R0 OHM +5% 250MI

39、0WR62060441560RCF 560R0 OHM +5% 250MI0WR62160441580RCF 22K0 OHM +5% 250MI0WR62260441580RCF 22K0 OHM +5% 250MI0WR62350882980RCF 820R0 OHM +5% 250MI0WR62480436990RCF 910R0 OHM +5% 250MI0WR62580437000RCF 1K2 OHM +5% 250MI0WR62611059590RCF 82R0 OHM +5% 250MI0WR62711059590RCF 82R0 OHM +5% 250MI0WR6287043

40、4970RCF 3R3 OHM +5% 250MI0WR62970434970RCF 3R3 OHM +5% 250MI0WR63050882950RCF 100R0 OHM +5% 250MI0WR63150882950RCF 100R0 OHM +5% 250MI0WR63580437010RCF 1K8 OHM +5% 250MI0WR63620469460RCF 2K2 OHM +5% 250MI0WAVR 1550 AMPPage 2/6PosTocom#SNameR63780436990RCF 910R0 OHM +5% 250MI0WR64220469490RCF 6K8 OHM

41、 +5% 250MI0WR64311059640RCF 1K0 OHM +5% 250MI0WR64430939490RCF 33K0 OHM +5% 250MI0WR64530939370RCF 15R0 OHM +5% 250MI0WR64630939370RCF 15R0 OHM +5% 250MI0WR64711059630RCF 680R0 OHM +5% 250MI0WR64830939460RCF 750R0 OHM +5% 250MI0WR64930939460RCF 750R0 OHM +5% 250MI0WR65050882940RCF 68R0 OHM +5% 250MI

42、0WR65150882960RCF 150R0 OHM +5% 250MI0WR65230939480RCF 10K0 OHM +5% 250MI0WR65320469510RCF 43K0 OHM +5% 250MI0WR65430939490RCF 33K0 OHM +5% 250MI0WR65520469460RCF 2K2 OHM +5% 250MI0WR65660441560RCF 560R0 OHM +5% 250MI0WR65760441560RCF 560R0 OHM +5% 250MI0WR65860441560RCF 560R0 OHM +5% 250MI0WR659604

43、41560RCF 560R0 OHM +5% 250MI0WR66060441560RCF 560R0 OHM +5% 250MI0WR66160441560RCF 560R0 OHM +5% 250MI0WR66260441560RCF 560R0 OHM +5% 250MI0WR66360441580RCF 22K0 OHM +5% 250MI0WR66460441580RCF 22K0 OHM +5% 250MI0WR66550882980RCF 820R0 OHM +5% 250MI0WR66680436990RCF 910R0 OHM +5% 250MI0WR66780437000R

44、CF 1K2 OHM +5% 250MI0WR66811059590RCF 82R0 OHM +5% 250MI0WR66911059590RCF 82R0 OHM +5% 250MI0WR67070434970RCF 3R3 OHM +5% 250MI0WR67170434970RCF 3R3 OHM +5% 250MI0WR67250882950RCF 100R0 OHM +5% 250MI0WR67350882950RCF 100R0 OHM +5% 250MI0WR67780437010RCF 1K8 OHM +5% 250MI0WR67820469460RCF 2K2 OHM +5%

45、 250MI0WR67980436990RCF 910R0 OHM +5% 250MI0WR68420469490RCF 6K8 OHM +5% 250MI0WR68511059640RCF 1K0 OHM +5% 250MI0WR68630939490RCF 33K0 OHM +5% 250MI0WR68730939370RCF 15R0 OHM +5% 250MI0WR68830939370RCF 15R0 OHM +5% 250MI0WR68911059630RCF 680R0 OHM +5% 250MI0WR69030939460RCF 750R0 OHM +5% 250MI0WR69

46、130939460RCF 750R0 OHM +5% 250MI0WR69250882940RCF 68R0 OHM +5% 250MI0WR69350882960RCF 150R0 OHM +5% 250MI0WR69430939480RCF 10K0 OHM +5% 250MI0WR69520469510RCF 43K0 OHM +5% 250MI0WR69630939490RCF 33K0 OHM +5% 250MI0WR69720469460RCF 2K2 OHM +5% 250MI0WR69860441560RCF 560R0 OHM +5% 250MI0WR69960441560R

47、CF 560R0 OHM +5% 250MI0WR70060441560RCF 560R0 OHM +5% 250MI0WR70160441560RCF 560R0 OHM +5% 250MI0WR70260441560RCF 560R0 OHM +5% 250MI0WR70360441560RCF 560R0 OHM +5% 250MI0WR70460441560RCF 560R0 OHM +5% 250MI0WR70560441580RCF 22K0 OHM +5% 250MI0WAVR 1550 AMPPage 3/6PosTocom#SNameR70660441580RCF 22K0

48、OHM +5% 250MI0WR70750882980RCF 820R0 OHM +5% 250MI0WR70880436990RCF 910R0 OHM +5% 250MI0WR70980437000RCF 1K2 OHM +5% 250MI0WR71011059590RCF 82R0 OHM +5% 250MI0WR71111059590RCF 82R0 OHM +5% 250MI0WR71270434970RCF 3R3 OHM +5% 250MI0WR71370434970RCF 3R3 OHM +5% 250MI0WR71450882950RCF 100R0 OHM +5% 250M

49、I0WR71550882950RCF 100R0 OHM +5% 250MI0WR71980437010RCF 1K8 OHM +5% 250MI0WR72020469460RCF 2K2 OHM +5% 250MI0WR72180436990RCF 910R0 OHM +5% 250MI0WR72620469490RCF 6K8 OHM +5% 250MI0WR72711059640RCF 1K0 OHM +5% 250MI0WR72830939490RCF 33K0 OHM +5% 250MI0WR72930939370RCF 15R0 OHM +5% 250MI0WR7303093937

50、0RCF 15R0 OHM +5% 250MI0WR73111059630RCF 680R0 OHM +5% 250MI0WR73230939460RCF 750R0 OHM +5% 250MI0WR73330939460RCF 750R0 OHM +5% 250MI0WR73450882940RCF 68R0 OHM +5% 250MI0WR73550882960RCF 150R0 OHM +5% 250MI0WR73630939480RCF 10K0 OHM +5% 250MI0WR73720469510RCF 43K0 OHM +5% 250MI0WR73830939490RCF 33K