Marantz-SR3000-avr-sm 维修电路原理图.pdf

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1、AV Surround ReceiverTABLE OF CONTENTSSECTIONPAGE1. LOCATION OF PRINTED CIRCUIT BOARDS/VERSION VARIATIONS . 1-12. TECHNICAL SPECIFICATION. 1-33. SERVICE TOOL/MEASUREMENT SET UP/SAFETY . 1-54. WARNING/HANDLING CHIP COMPONENTS . 1-65. DISMANTLING HINTS . 2-16. ABREVIATIONS . 2-27. WIRING DIAGRAM. 3-18.

2、 BLOCK DIAGRAM. 4-19. SERVICE TEST PROGRAM .5-110. FRONT BOARD.6-111. TUNER BOARD ECO5.7B-112. TUNER 95 BOARD. 7D-113. DOLBY PROLOGIC BOARD .8-114. MULTI-CHANNEL DECODING MODULE. 9-115. MAINS BOARD. 10-116. MONO BOARD . 11-117. EXPLODED VIEW . 12-118. ELECTRICAL PARTS LIST MONO BOARD . 13-1ServiceMa

3、nualSR3000 /N1B, /U1BSR4000 /K1B, /K1G, /N1B, /U1BPlease use this service manual with referring to the user guide (D.F.U) without fail.R SR3000 / SR4000283W855010 ACT3120 785 22200First Issue:2000.03SR3000SR4000RadioFans.CN 收音机爱 好者资料库MARANTZ DESIGN AND SERVICEUsing superior design and selected high

4、grade components, MARANTZ company has created the ultimate in stereo sound.Only original MARANTZ parts can insure that your MARANTZ product will continue to perform to the specifications for whichit is famous.Parts for your MARANTZ equipment are generally available to our National Marantz Subsidiary

5、 or Agent.ORDERING PARTS :Parts can be ordered either by mail or by Fax. In both cases, the correct part number has to be specified.The following information must be supplied to eliminate delays in processing your order :1. Complete address2. Complete part numbers and quantities required3. Descripti

6、on of parts4. Model number for which part is required5. Way of shipment6. Signature : any order form or Fax. must be signed, otherwise such part order will be considered as null and void.SHOCK, FIRE HAZARD SERVICE TEST :CAUTION : After servicing this appliance and prior to returning to customer, mea

7、sure the resistance between either primary ACcord connector pins ( with unit NOT connected to AC mains and its Power switch ON ), and the face or Front Panel of product andcontrols and chassis bottom.Any resistance measurement less than 1 Megohms should cause unit to be repaired or corrected before

8、AC power is applied, andverified before it is return to the user/customer.Ref. UL Standard No. 1492.In case of difficulties, do not hesitate to contact the TechnicalDepartment at above mentioned address.991207ACTUSAUSAMARANTZ AMERICA, INCMARANTZ AMERICA, INC.440 MEDINAH ROADROSELLE, ILLINOIS 60172US

9、APHONE : 630 - 307 - 3100FAX : 630 - 307 - 2687 BRAZILBRAZILPHILIP DA AMAZONIA IND. ELET. ITDAPHILIP DA AMAZONIA IND. ELET. ITDACENTRO DE INFORMACOES AOCEP 04698-970SAO PAULO, SP, BRAZILPHONE : 0800 - 123123(Discagem Direta Gratuita)FAX : +55 11 534. 8988JAPANJAPAN Technical MARANTZ JAPAN, INC.MARAN

10、TZ JAPAN, INC.35- 1, 7- CHOME, SAGAMIONOSAGAMIHARA - SHI, KANAGAWAJAPAN 228-8505PHONE : +81 42 748 1013FAX : +81 42 741 9190EUROPE / TRADING EUROPE / TRADING MARANTZ EUROPE B.V.MARANTZ EUROPE B.V.P.O.BOX 80002, BUILDING SFF25600 JB EINDHOVENTHE NETHERLANDSPHONE : +31 - 40 - 2732241FAX : +31 - 40 - 2

11、735578TECHNICAL AUDIO GROUP PTY, LTDTECHNICAL AUDIO GROUP PTY, LTD558 DARLING STREET, BALMAIN, NSW 2041,AUSTRALIAPHONE : 61 - 2 - 9810 - 5300FAX : 61 - 2 - 9810 - 5355CANADACANADALENBROOK INDUSTRIES LIMITEDLENBROOK INDUSTRIES LIMITED633 GRANITE COURT, PICKERING, ONTARIO L1W 3K1CANADAPHONE : 905 - 83

12、1 - 6333FAX : 905 - 831 - 6936AUSTRALIAAUSTRALIAJAMO AUSTRALIA PTY LTDJAMO AUSTRALIA PTY LTD1 EXPO COURT, P.O. BOX 350 MT. WAVERLEY VIC 3149AUSTRALIAPHONE : +61 - 3 - 9543 - 1522FAX : +61 - 3 - 9543 - 3677NEW ZEALANDNEW ZEALANDWILDASH AUDIO SYSTEMS NZWILDASH AUDIO SYSTEMS NZ14 MALVERN ROAD MT ALBERT

13、AUCKLAND NEW ZEALANDPHONE : +64 - 9 - 8451958FAX : +64 - 9 - 8463554THAILANDTHAILANDMRZ STANDARD CO.,LTDMRZ STANDARD CO.,LTD746 - 754 MAHACHAI ROAD.,WANGBURAPAPIROM, PHRANAKORN, BANGKOK, 10200 THAILANDPHONE : +66 - 2 - 222 9181FAX : +66 - 2 - 224 6795TAIWANTAIWANPAI- YUING CO., LTD.PAI- YUING CO., L

14、TD.6 TH FL NO, 148 SUNG KIANG ROAD, TAIPEI, 10429, TAIWAN R.O.C.PHONE : +886 - 2 - 25221304FAX : +886 - 2 - 25630415MALAYSIAMALAYSIAWO KEE HONG ELECTRONICS SDN. BHD.WO KEE HONG ELECTRONICS SDN. BHD.SUITE 8.1, LEVEL 8, MENARA GENESIS,NO. 33, JALAN SULTAN ISMAIL,50250 KUALA LUMPUR, MALAYSIAPHONE : +60

15、 3 - 2457677FAX : +60 3 - 2458180 AMERICAS AMERICASSUPERSCOPE TECHNOLOGIES, INC.SUPERSCOPE TECHNOLOGIES, INC.MARANTZ PROFESSIONAL PRODUCTS2640 WHITE OAK CIRCLE, SUITE AAURORA, ILLINOIS 60504 USAPHONE : 630 - 820 - 4800FAX : 630 - 820 - 8103 AUSTRALIA AUSTRALIAKOREAKOREAMK ENTERPRISES LTD.MK ENTERPRI

16、SES LTD.ROOM 604/605, ELECTRO-OFFICETEL, 16-58, 3GA, HANGANG-RO, YONGSAN-KU, SEOULKOREAPHONE : +822 - 3232 - 155FAX : +822 - 3232 - 154SINGAPORESINGAPOREWO KEE HONG (S) PTE LTDWO KEE HONG (S) PTE LTDWO KEE HONG CENTRE NO.23, LORONG 8, TOA PAYOH SINGAPORE 319257PHONE : +65 2544555FAX : +65 2502213Rad

17、ioFans.CN 收音机爱 好者资料库VERSION VARIATIONSSR3000Features &Board in usedNUTuner board - Tuner 95xTuner board ECO 5xRDSxP50 code (cinema link)xx# Power channels44Center Pre-outxxSurround Pre-outxxMains voltage230120Type &versionLOCATION OF PRINTED CIRCUIT BOARDS for SR30001-11-2VERSION VARIATIONSSR4000Typ

18、e &VersionsFeatures &Board in usedNKUTuner board - Tuner 95xTuner board ECO 5xxRDSxP50 code (cinema link)xxxAV FrontxxxCenter pre-outxxxSubwoofer pre-outxxxVideo selectorxxx# power channels555Mains voltage230120/230120Voltage selectorxTuner BoardScrew TerminalMDM BoardMono BoardFront BoardSecondary

19、Trafo BoardMains BoardHeadphone & Front AV BoardP50 & Subw. &Video Selector BoardLOCATION OF PRINTED CIRCUIT BOARDS for SR40001-3TECHNICAL SPECIFICATION SR3000GeneralMains voltage:230V for /N:120V for /UMains frequency: 50Hz for /N: 60Hz for /UPower concumption: 2W at stbyDimension: 440 x138x350 mmR

20、emote control: RC3000SRAmplifierOutput powerL+R: 2x50W at 6 D= 0,7% (1kHz)Center: 50W at 6 D= 0,7% (1kHz)Surround: 50W at 2X3 D= 0,7% (1kHz)Distortion (1W)40Hz -1kHz -20kHz: 0,05%(L,R,C): 0,2% (Surround ch.)Headphone: 6,3mm stereo jack with switchCrosstalk between source 1kHz: -65dB (1W) 250Hz 10kHz

21、: -60dBCrosstalk between channels -1kHz: -45dB (1W) 250Hz 10kHz: -40dBFrequency responseLeft/Right/Center: 20Hz 20kHz (-3dB)Surround channel: 100Hz 7kHz (-3dB)Power stage protection: Shortcircuit: DC (Vout 10V)Temperature: Transformer (140 Celcius): Heatsink (140 Celcius)Input sensitivityCD: 250mV i

22、mpedance 47kCDR/TAPE: 250mV impedance 47kVCR: 250mV impedance 47kTV: 250mV impedance 47kOutput sensitivityCDR/TAPE: 250mV impedance 1kVCR: 250mV impedance 1kOutput sensitivity (variable)Center pre-out: 800mV impedance 1kSurround pre-out: 800mV impedance 1kEqualizerLoudness(volume -20dB Ref: 1kHz=0dB

23、): Bass 100Hz +6 dB: Treble 10kHz +3 dBTone control (Ref: 1kHz=0dB): Bass 100Hz -10dB +10dB: Treble 10kHz -10dB +10dBDSC settings100Hz1kHz10kHzPersonaldB 0 0 0MoviedB + 4+2 +4SpeechdB - 4+2 - 2MusicdB + 4- 2 +2MultimediadB + 8 0 +6Dolby Pro LogicStereo bypass from: Lt , Rt into Left, RightDolby Pro-

24、logic decoding: Lt , Rt into Left, Right, Center,:SurroundDolby 3 stereo decoding: Lt , Rt into Left, Center, RightDolby Phantom decoding: Lt , Rt into Left, Right, Surround(Phantom = no center speaker)Hall: Lt , Rt into Left, Surround, RightSurround delay: variableCenter mode: Large , smallTesttone

25、TunerRDS: Only in /NFMTuning range: 87.5 108MHzGrid: 50kHz for /N: 100kHz for /UIF frequency: 10.7MHz 25kHzAerial input: 75 coaxialSensitivity at 26dB S/N: 7vSelectivity at 600kHz bandwidth: 50dBInmage rejection: 25dB 75dBDistortion at RF=1mV,dev.75kHz: 3% 2%-3dB Limiting point: 7VCrosstalk at RF=1m

26、V,dev.40kHz: 18dB 26dBMWTuning range: 531 - 1602kHz for /N: 530 - 1700kHz for /UGrid: 9kHz for /N: 10kHz for /UIF frequency: 450kHz 1kHzAerial input: LoopSensitivity at 26dB S/N: 4.0mV/mSelectivity at 18kHz bandwidth: 18dBIF rejection: 45dBInmage rejection: 28dBDistortion at RF=50mV,m=80%: 5%LW only

27、 in /NTuning range: 153 - 279kHzGrid: 3kHzIF frequency: 450kHz 1kHzAerial input: LoopSensitivity at 26dB S/N: 7.0mV/mSelectivity at 18kHz bandwidth: 24dBIF rejection: 26dBInmage rejection: 35dBDistortion at RF=50mV,m=80%: 5%. Values indicated are for “Tuner 95 Board” only* Setting is software contro

28、lled1-4TECHNICAL SPECIFICATION SR4000GeneralMains voltage:230V for /N:110V/240V switchable for /K: 120V for /UMains frequency: 50Hz for /N: 50/60Hz for /K: 60Hz for /UPower concumption: 2W at stbyDimension. wxhxd: 440 x138x350 mmRemote control: RC4000SRAmplifierOutput powerL+R: 2x100W at 6 D= 0,7% (

29、1kHz)Center: 100W at 6 D= 0,7% (1kHz)Surround Left: 50W at 6 D= 0,7% (1kHz)Surround Right: 50W at 6 D= 0,7% (1kHz)Distortion (5W)40Hz -1kHz: 0,05%20kHz: 0,2%Headphone: 6,3mm stereo jack with switchCrosstalk between source 1kHz: -65dB (1W) 250Hz 10kHz: -60dBCrosstalk between channels -1kHz: -45dB (1W

30、) 250Hz 10kHz: -40dBFrequency response: 20Hz 20kHz (-3dB)Power stage protection: Shortcircuit: DC (Vout 10V)Temperature: Transformer ( 140 Celcius): Heatsink ( 140 Celcius)Input sensitivityPhono: 5mV impedance 47k/220pFCD: 250mV impedance 47kCDR/TAPE: 250mV impedance 47kVCR: 250mV impedance 47kTV: 2

31、50mV impedance 47kSAT: 250mV impedance 47kFRONT AV: 250mV impedance 22kOutput sensitivityCDR/TAPE: 250mV impedance 1kVCR: 250mV impedance 1kOutput sensitivity (variable)Subwoofer pre-out: 800mV impedance 1kCenter pre-out: 800mV impedance 1kVideo SelectorInput sensitivityDVD/VCR/TV/Front AV: 1 Vpp im

32、pedance 75Output sensitivityMonitor/VCR: 1 Vpp impedance 75Frequency response: 50Hz 6MHzEqualizerLoudness(volume -20dB Ref: 1kHz=0dB): 100Hz +6 dB: 10kHz +3 dBTone control (Ref: 1kHz=0dB): Bass 100Hz -9dB +9dB: Treble 10kHz -9dB +9dBDSC settings100Hz1kHz10kHzPersonaldB 0 0 0MoviedB + 4+0 +4SpeechdB

33、- 4+2 - 2MusicdB + 4- 2 +2MultimediadB + 8 0 +6Multi Channel DecoderMPEG5.1 / MPEG 7.1 (7.1 downmix to 5.1)Dolby Digital (AC-3)Linear PCMAutomatic audio/data type detection (AC-3,MPEG-2,PCM)Dolby Pro LogicMPEG-2 dual mono channel selection I/IIMPEG-2 dual stereo channel selection I/IIVirtual Dolby S

34、urround (422/423)Virtual MPEG Digital (522/523)Virtual Dolby Digital (522/523)Digital Bass ManagementParallel Stereo DownmixFour Stereo (224)Volume ControlNoise Generator (test tone)Surround mode selectorDelay C and SL and SRTunerRDS: Only in /NFMTuning range: 87.5 108MHzGrid: 50kHz: 100kHz only for

35、 /U: 50 & 100kHz for /KIF frequency: 10.7MHz 25kHzAerial input: 75 coaxial: 300 clickfit only for /USensitivity at 26dB S/N: 7vSelectivity at 600kHz bandwidth: 50dBImage rejection: 75dB: 25dB only for /U, KDistortion at RF=1mV,dev.75kHz: 2%: 3% only for /U, K-3dB Limiting point: 7VCrosstalk at RF=1m

36、V,dev.40kHz: 26dB: 22dB only for /U, KMWTuning range: 522 - 1611kHz for /N: 531 - 1602kHz for/K: 530 - 1700kHz for/K: 530 - 1700kHz for /UGrid: 9kHz for /N: 9 & 10kHz for /K: 10kHz for /UIF frequency: 450kHz 1kHzAerial input: LoopSensitivity at 26dB S/N: 4.0mV/mSelectivity at 18kHz bandwidth: 18dBIF

37、 rejection: 45dBImage rejection: 28dBDistortion at RF=50mV,m=80%: 5%LW only in /NTuning range: 153 - 279kHzGrid: 3kHzIF frequency: 450kHz 1kHzAerial input: LoopSensitivity at 26dB S/N: 6mV/mSelectivity at 18kHz bandwidth: 22dBIF rejection: 26dBImage rejection: 35dBDistortion at RF=50mV,m=80%: 5%* Se

38、tting is software controlled1-5Bandpass250Hz-15kHze.g. 7122 707 48001LF Voltmeter e.g. PM2534DUTRF Generator e.g. PM5326S/N and distortion meter e.g. Sound Technology ST1700BUse a bandpass filter to eliminate hum (50Hz, 100Hz) and disturbance from the pilottone (19kHz, 38kHz).Ri=50Tuner FMBandpass25

39、0Hz-15kHze.g. 7122 707 48001LF Voltmeter e.g. PM2534DUTS/N and distortion meter e.g. Sound Technology ST1700BFrame aeriale.g. 7122 707 89001Tuner AM (MW,LW)To avoid atmospheric interference all AM-measurements have to be carried out in a Faradays cage.Use a bandpass filter (or at least a high pass f

40、ilter with 250Hz) to eliminate hum (50Hz, 100Hz).RF Generator e.g. PM5326Ri=50SERVICE TOOLMEASUREMENT SETUPSAFETY GBSafety regulations require that the set be restored to itsoriginal condition and that parts which are identical withthose specified be used.Safety components are marked by the symbol I

41、Le norme di sicurezza estigono che lapparecchio vengarimesso nelle condizioni originali e che siano utilizzati ipezzi di ricambiago identici a quelli specificati.Componenty di sicurezza sono marcati con NLVeiligheidsbepalingen vereisen, dat het apparaat in zijnoorspronkeliijke toestand wordt terugge

42、bracht en datonderdelen, identiek aan de gespecificeerde, worden toegepast.De Veiligheidsonderdelen zijn aangeduid met het symboolSAFETY DBei jeder Reparatur sind die geltenden Sicherheitsvor-schriften zu beachten. Der Originalzustand des Gertesdarf nicht verndert werden. Fr Reparaturen sind Origina

43、l-ersatzteile zu verwenden.Sicherheitsbauteile sind durch das Symbol markiert. FLes normes de scurit exigent que lappareil soit remis ltat dorigine et que soient utilises les pices derechange identiques celles spcifies.Les composants de scurit sont marqusAudio Signals Test Disc 1 . 4822 397 301841-6

44、WARNING GB WARNINGAll ICs and many other semiconductors are susceptible toelectrostatic discharges (ESD). Careless handling duringrepair can reduce life drastically.When repairing, make sure that you are connected with thesame potential as the mass of the set via a wristband withresistance. Keep com

45、ponents and tools at this potential. F ATTENTIONTous les IC et beaucoup dautres semi-conducteurs sontsensibles aux dcharges statiques (ESD). Leur longvitepourrait tre considrablement courte par le fait quaucuneprcaution nst prise leur manipulation.Lors de rparations, sassurer de bien tre reli au mme

46、potentiel que la masse de lappareil et enfileer le braceletserti dune rsistance de scurit.Veiller ce que les composants ainsi que les outils que lonutilise soient galement ce potentiel. D WARNUNGAlle ICs und viele andere Halbleiter sind empfindlichgegenber elektrostatischen Entladungen (ESD).Unsorgf

47、ltige Behandlung im Reparaturfall kann dieLebensdauer drastisch reduzieren.Sorgen Sie dafr, da sie im Reparaturfall ber ein Puls-armband mit Widerstand mit dem Massepotential desGertes verbunden sind.Halten Sie Bauteile und Hilfsmittel ebenfalls auf diesemPotential. NL WAARSCHUWINGAlle ICs en vele a

48、ndere halfgeleiders zijn gevoelig voorelectrostatische ontladingen (ESD).Onzorgvuldig behandelen tijdens reparatie kan de levensduurdrastisch doen vermindern. Zorg ervoor dat u tijdens reparatievia een polsband met weerstand verbonden bent met hetzelfdepotentiaal als de massa van het apparaat.Houd c

49、omponenten en hulpmiddelen ook op ditzelfde potentiaal. I AVVERTIMENTOTutti IC e parecchi semi-conduttori sono sensibili alle scarichestatiche (ESD).La loro longevit potrebbe essere fortemente ridatta in caso dinon osservazione della pi grande cauzione alla loromanipolazione. Durante le riparationi

50、occorre quindi esserecollegato allo stesso potenziale che quello della massadelpparecchio tramite un braccialetto a resistenza.Assicurarsi che i componenti e anche gli utensili con quali silavora siano anche a questo potenziale.ESD GB AVAILABLE ESD PROTECTION EQUIPMENT : anti-static table matlarge 1