Marantz-SC7S1-pre-sm 维修电路原理图.pdf

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1、SC-7S1Part no 340J855020First Issue 2003.09ecmServiceManualPlease use this service manual with referring to the user guide ( D.F.U. ) without fail.SC7S1 /F1N/N1G/U1GStereo Control AmplifierTABLE OF CONTENTSSECTIONPAGE 1. TECHNICAL SPECIFICATIONS. 1 2. BLOCK DIAGRAM . 3 3. SCHEMATIC DIAGRAM . 5 4. PA

2、RTS LOCATION. 13 5. IC DATA . 19 6. EXPLODED VIEW AND PARTS LIST . 23 7. SERVICE MODE . 26 8. BUS SPECIFICATIONS. 30 9. ELECTRICAL PARTS LIST . 38BALANCEDSACD / CDLINE 1DISPLAYATTLINE 2TAPEASYNCBinputinput selectorselectorpowerpowerstereostereo controlcontrol amplifieramplifier scsc- -7s17s1volumevo

3、lumeSC-7S1SC-7S1RadioFans.CN 收音机爱 好者资料库MARANTZ DESIGN AND SERVICEUsing superior design and selected high 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 whic

4、hit is famous.Parts for your MARANTZ equipment are generally available to our National Marantz Subsidiary 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

5、in processing your order :1. Complete address2. Complete part numbers and quantities required3. Description 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, F

6、IRE HAZARD SERVICE TEST :CAUTION : After servicing this appliance and prior to returning to customer, measure 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 bo

7、ttom.Any resistance measurement less than 1 Megohms should cause unit to be repaired or corrected before 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

8、address.030307MITSUPERSCOPE TECHNOLOGIES, INC.USAMARANTZ AMERICA, INC1100 MAPLEWOOD DRIVEITASCA, IL. 60143USAPHONE : 630 - 741 - 0300FAX : 630 - 741 - 0301JAPANTechnical MARANTZ JAPAN, INC.35- 1, 7- CHOME, SAGAMIONOSAGAMIHARA - SHI, KANAGAWAJAPAN 228-8505PHONE : +81 42 748 1013FAX : +81 42 741 9190E

9、UROPE / TRADING MARANTZ EUROPE B.V.P. O. BOX 8744, BUILDING SILVERPOINTBEEMDSTRAAT 11, 5653 MA EINDHOVENTHE NETHERLANDSPHONE : +31 - 40 - 2507844FAX : +31 - 40 - 2507860AUSTRALIAQualiFi Pty Ltd,24 LIONEL ROAD, MT. WAVERLEY VIC 3149AUSTRALIAPHONE : +61 - (0)3 - 9543 - 1522FAX : +61 - (0)3 - 9543 - 36

10、77NEW ZEALANDWILDASH AUDIO SYSTEMS NZ14 MALVERN ROAD MT ALBERTAUCKLAND NEW ZEALANDPHONE : +64 - 9 - 8451958FAX : +64 - 9 - 8463554THAILANDMRZ STANDARD CO., LTD746 - 754 MAHACHAI ROAD.,WANGBURAPAPIROM, PHRANAKORN, BANGKOK, 10200 THAILANDPHONE : +66 - 2 - 222 9181FAX : +66 - 2 - 224 6795TAIWANPAI- YUI

11、NG CO., LTD.6 TH FL NO, 148 SUNG KIANG ROAD, TAIPEI, 10429, TAIWAN R.O.C.PHONE : +886 - 2 - 25221304FAX : +886 - 2 - 25630415MALAYSIAWO KEE HONG ELECTRONICS SDN. BHD.2ND FLOOR BANGUNAN INFINITE CENTRELOT 1, JALAN 13/6, 46200 PETALING JAYASELANGOR DARUL EHSAN, MALAYSIAPHONE : +60 - 3 - 7954 8088FAX :

12、 +60 - 3 - 7954 7088 AMERICASMARANTZ PROFESSIONAL PRODUCTS2640 WHITE OAK CIRCLE, SUITE AAURORA, ILLINOIS 60504 USAPHONE : 630 - 820 - 4800FAX : 630 - 820 - 8103KOREAMK ENTERPRISES LTD.ROOM 604/605, ELECTRO-OFFICETEL, 16-58, 3GA, HANGANG-RO, YONGSAN-KU, SEOULKOREAPHONE : +822 - 3232 - 155FAX : +822 -

13、 3232 - 154SINGAPOREWO KEE HONG DISTRIBUTION PTE LTD130 JOO SENG ROAD#03-02 OLIVINE BUILDING SINGAPORE 368357PHONE : +65 6858 5535 / +65 6381 8621FAX : +65 6858 6078HONG KONGJolly ProAudio Broadcast Engineering Ltd.UNIT 2, 10F, WAH HUNG CENTRE,41 HUNG TO ROAD, KWUN TONG, KLN.,HONG KONGPHONE : 852 -

14、21913660FAX : 852 - 21913990CANADALENBROOK INDUSTRIES LIMITED633 GRANITE COURT, PICKERING, ONTARIO L1W 3K1CANADAPHONE : 905 - 831 - 6333FAX : 905 - 831 - 6936TECHNICAL AUDIO GROUP PTY, LTD43-53 Bridge Rd.,STANMORE NSW 2048AUSTRALIAPHONE : +61 - (0)2 - 9519 - 0900FAX : +61 - (0)2 - 9519 - 0600 AUSTRA

15、LIARadioFans.CN 收音机爱 好者资料库11. TECHNICAL SPECIFICATIONSAudio CharacteristicsRated Output (20Hz - 20kHz) . 1.7V (Balanced).1.7V (Unbalanced)Maximum Output (20Hz - 20kHz). 13.5V (Balanced).13.5V (Unbalanced)Total Harmonic Distortion (20Hz - 20kHz) . 0.0015% (Balanced). 0.003% (Unbalanced)Frequency Resp

16、onse (+0/-3dB) .3 Hz - 150 kHz(Balanced). 3 Hz - 150 kHz(Unbalanced)Input Sensitivity / Input Impedance . 420mV / 20k(Balanced). 420mV / 20k(Unbalanced)Output Impedance .220(Balanced). 220(Unbalanced)Signal-to-Noise Ratio (IHF-A Network) . 103dB(Balanced).105dB(Unbalanced)Channel Separation (20kHz).

17、 100dB(Balanced).100dB(Unbalanced)Volume Adjustment Range.-,-100 - 0dB(0.5dB step)Trim Level Adjustment Range .6dB(0.5dB step)Attenuator Levels . -20, -40, -60, -dBPower SupplyPower Requirement /F . AC 100V 50/60Hz/N . AC 230V 50Hz/U . AC 120V 60HzPower Consumption /F.18 W/N.22 W/U. 0.2 AGeneralMaxi

18、mum Dimensions. 459(W) x 136(H) x 441 (D) mmWeight . 21kg2CautionThe layout of this amplifier is well concerned for sound quality.1. When screws and washers are removed, those parts must be set to the same places.2. When wires are removed, the wires must be installed in the same roots, same places.3

19、. Do not hold the side panels (001D, 002D) and the bracket (914G) to move the unit when the unit is disassembled.342. BLOCK DIAGRAM123BALANCEDSACD/CDLINE-1LINE-2TAPENFBREC OUT123BALANCEDUNBALANCED-1UNBALANCED-2Ach PRE OUTAch INPUT22V+5VAMPRELAYLED DISPLAYDRIVERI/VVOLNFBI/VVOL+5VVOL.+-RELAY+-DRIVERDR

20、IVERDISPLAYBUSCONTROLINOUTMUTE12VPPINPUTSELECTORVOLUMEATT SW.DISPLAY SW.IRID SW.MODE SW.563. SCHEMATIC DIAGRAM+-+-+-+-+-+-+-+-+-+-+-2SA9702SC22402SC22402SA9702SA9702SC22402SA9702SC2240-22V+22V2SC22402SC2240-22V2SA9702SA970+22V2SA9702SA9702SC22402SC22401SS1761SS176OPA2604AP1SS1761SS1761SS1761SS1761SS

21、1761SS176-22V+22V-22V+22V1SS1761SS176OPA2604APOPA2604APOPA2604APOPA2604APOPA2604APOPA2604APOPA2604APOPA2604APOPA2604APOPA2604APOPA2604APOPA2604APOPA2604APOPA2604APOPA2604APB_GND A_GNDA_-A_+B_-B_+2SA10482SC24581D3GND-TAPEBALMUTE-12B_GNDA_GNDB_GNDB_GNDB_GNDA_GNDA_GNDA_GNDB_GNDA_GNDB_GNDB_GNDB_GNDB_GND

22、B_GNDA_GNDA_GNDA_GNDA_GNDA_GNDEARTHA_GNDB_GND1D31D31D31SS17611EQS1011EQS1011EQS1011EQS1011EQS1012321312123123123123(JUMPER )123123(JUMPER )123123123123(JUMPER )123123(JUMPER )12312312312312C416R436R434R438R440R442R4441843591012R448(JUMPER)R446(JUMPER)R4331843591012R441R439R447(JUMPER )R445(JUMPER )R

23、435R437C415Q4171234R443R4501843591012R455R458R449R456R453R464(JUMPER)R462(JUMPER)R452R4541843591012R451C424R457C423R463(JUMPER)R459R461(JUMPER)R4601843591012C439R4751843591012R490R472R492R480(JUMPER)R483R494(JUMPER)R465R481R466C432R484R473C440R488R4761843591012R478(JUMPER)R485R495(JUMPER)C431R486R47

24、7(JUMPER)R468R474R496(JUMPER)R493(JUMPER )R489R471R467R479(JUMPER)R482R4691843591012R491R470R48712341234C453C454123412121234121212341212123213123123C456C4551234C451C452C458C4571234C4591234C460RC36RC38CC36CC38CC37RC35CC35RC3718435910121843591012RC03RC05RC07RC0912Q4181234Q4201234Q4191234Q4221234Q42112

25、34Q4241234Q423123475687568756875687568756875687568C418C420C417C419C426C428C425C427C434C436C433C435C442C444C441C4431843591012RC211231231234567812345678C464C462C463C461C414(N.C)C413(N.C)C421(N.C)C430(N.C)C438(N.C)C437(N.C)C429(N.C)C422(N.C)C404(N.C)C402(N.C)C403(N.C)C401(N.C)RC79RC80RC77RC78RC75RC76RC

26、73RC74CD_B_INCD_A_INLINE1_A_INLINE1_B_INBAL_BIN_+BAL_BIN_-BAL_AIN_+LINE2_A_INTAPE_A_INTAPE_B_INLINE1_B_INLINE1_A_INLINE2_B_INLINE2_A_INTAPE_B_INA_-22A_+22A_+22A_-22B_+22B_-22A_+22A_-22B_+22B_-22A_+22A_-22B_+22B_-22B_+22B_-22B_+22B_-22A_+22A_-22TAPE_A_IN-12S T-12-12S T-12-12A_-A_+B_+B_-A_-A_+B_+B_-A_

27、+A_-B_+B_-A_+L_1L_2TAPE-TAPEA_+A_-BAL-12B_+-12STB_-A_+-12BI-TAPEBALCDL_1L_2TAPEMUTE-12-12STBALMUTE-12BAL_AIN_-BICD_A_INBAL_BIN_-BAL_BIN_+BAL_AIN_-BAL_AIN_+-12S TCD-12-12S TB_+CD_B_INB_-A_-LINE2_B_INB_+A_-B_-226K220P226K220P15.4k22.622.615.4K100K22220/25V100K15.4K22.622.622/25V220/25V15.4K2215.4K22.6

28、100K15.4K226K226226K22.615.4K22220P22/25V22/25V100K220P220/25V220/25V2222.615.4K22.6220p22.6K2.26K2.26K100K100K22.6K100K2.26K2.26K220p100K22.6K2.26K100K22.6K2.26K2.26K2.26K220p100K220p100K100K220p100K100K2.26K100K22.6K22.6K22.6K220p100K220p2.26K100K2.26K220p2.26K100K100K2.26K22.6K2.26K100K2.26K2.26K

29、0.10.10.10.10.10.10.10.10.10.122221000/25 V1000/25 V1000/25V221000/25V22222222222222/25V22/25V22/25V22/25V22/25V22/25V22/25V22/25V22/25V22/25V22/25V22/25V22/25V22/25V22/25V22/25V22/25V22220.122K4.7K10K15K22K10/35V10/35V10/35V10/35V22.6K22.6K22.6K22.6K2.26K2.26K2.26K2.26K2.26K2.26K2.26K2.26KW007J003J

30、005R404R408C408R402R406C406Q404Q408R412Q412R420R424Q416R416R432R428RC34CC34R426Q414Q406R414R418R422C410R430CC32Q402Q410R410RC32Q405Q407R411R419R425R409R431R401R407Q413Q401R403R423R415RC33R429C405C411C409R427C407Q403CC31Q415R405Q409Q411CC33RC31R417R413R421J006LC04DC04LC03DC03LC06DC05LC05DC06LC07LC09D

31、C07DC08LC10DC10LC08DC09J403W009W010J008J007W011J010J009W012J011J012W008J004J402J401J405J407J409LC02DC02DC01RC01LC01Q418Q417Q420Q419Q422Q421Q424Q423C412LC21DC21RC18CC11QC11QC12JC03DC11RC15RC14RC13RC11RC12LC11W018R500R498R499R497DC12DC13DC14DC15DC16DC20DC19DC18DC171/21/21/21/21/21/21/21/22/22/22/22/22

32、/22/22/22/2BABALANCEDCDBAABLINE_1LINE_2ABBATAPEBALCDL_1L_2TAPEMUTEBI-12FROM J20111.6(BALANCED)11.6(SACD/CD)11.6(LINE1)11.6(LINE2)11.6(TAPE)ON :-11.7 / OFF:+11.6S.T.:-11.7 / BI.:+11.5-11.7TAPE:-11.6OTHER:+11.0S.T.:-11.7BI.:+11.5P101 1/222622622622622622622622622622622678+-+-+-+-+-13247658HSS81HSS81HS

33、S81436215346215123123346215HSS81213675HSS81436215213675675213436215675213436215123HSS81HSS81123HSS811232131231218435910121234565432116151413121110987654321(JUMPER)(N.C)(N.C)121218435910121234121234HSS8116151413121110987654321213675HSS8112HSS81675213(N.C)HSS811234436215436215213121234123(N.C)HSS81123

34、3462154362151843591012123346215HSS81213675(JUMPER)R540(JUMPER)123123R538(JUMPER)HSS81436215675213HSS81123123412341843591012184359101212345GND123123123123123123123123123456R539(JUMPER)123123123123123123123123R537(JUMPER)2/276581/212341/212342/27658(N.C)-12-12BAL-TAPEBALMUTE-12B_+B_-A_-TAPEA_+B_+A_-B_

35、-MUTEMUTE-12MUTE-12A_-B_+B_-A_+A_+100K10k2210k10k10k22610k2210k10k681681100681681332332332100p100332100p22/25v220/25v220/25v220/25V474.7K4.7K1.21K1.21K0.110k220/25v22/25v100K22610010047332226470/25V3323.3M681100p1003.3M100k1001.21K33222/25V3323.3M681226470/25v1001001.21K100k220/25V100p3.3M220/25v0.1

36、68168122/25V0.014.7K4.7K4.7K0.1222215.4K0.110010022.615.4K22.60.115.4K22.615.4K22.646.446.446.446.422.6100k3.3M15.4K100k0.122/25V15.4K470/25V22.622622.610015.4K15.4K3.3M100470/25v3.3M3.3M22/25V22622.60.122/25V22/25V22/25V22/25V22/25V100K22/25V22/25V22/25V100K22/25V22/25V100K22/25V22/25V100K1000P1000

37、P1000P1000PRC59QC51QC51RC57RC64RC55RC51RC53RC62RC58RC63RC56RC52R513D503D509D515Q501Q505R515Q519Q523Q507D501Q515R507R509R511D513Q503Q509Q513Q525Q511Q527Q517R521D505R523R519C507D511Q521R505R517C505D507C517C519J505J015W014J017CC52CC55L501J502C527Q529R543C525R541R548R547R501R503C529D517C523C521RC54CC56C

38、C51RC60RC61DC53J013J014LC53R593R595J507J019W016R542R522R530D508C516R524Q530R566Q510D514R510J018D516C508Q512C524C520D504W017Q502Q526J016R506R562J020J508Q524R528C522D502Q518R508Q508R502Q528R520C518C512R518R564L502W015R512Q506D512R532Q516C514R544R596R594R504R526D518C526C506R568Q522Q520C528D506Q504C530R

39、514Q514D510R516C510J506C533R549R550R551JC51W013CC57LC51LC52DC51DC52RC16RC17J501L504L503Q548R574C536R572R570Q538R582R580Q546Q544R588Q540Q542C538R578Q536R586R576R584Q534W018R592R590R591R589R583R525R567Q541R575R527Q535C535C511R573C515R587Q547R529Q539R585R571R579R577R561Q533R569Q545Q543C513R565R563C509Q

40、537R531R581C537Q531Q531Q532Q532C540C542C541C539C550R536C546C544C548R534C545C549R535C543C547R533C554C552C551C553L505CC54CC531/22/22SA9702SC22402SC33812SA13492SC33812SA13492SA9702SC2240EARTHWM88161SS176WM88162SA13492SA13492SC22402SA970+22V2SC33811SS17 62SC22402SA9702SA1349-22V-22V+22V1SS1761SS176-22V+

41、22V-TAPEBALMUTE-122SA9702SC22402SA9702SC22402SC22402SC22402SA9702SA970B_+B_-A_+A_-2SC22402SA9702SA9702SC2240+22V2SA9702SA9702SC22402SC2240-22VOPA2604OPA2604OPA2604OPA2604GNDGNDGNDEARTHGNDGNDEARTHOPA2604OPA2604HDAM-SAHDAM-SAHDAM-SAHDAM-SAHDAM-SAHDAM-SAHDAM-SAHDAM-SAHDAM-SAHDAM-SAHDAM-SAHDAM-SAAPREOUT

42、 1BALANCEDPREOUT 2OUTBAREC OUTFROM J805PREOUT 1OUTPREOUT 2BALANCEDBFROM J205B_-B_+A_+A_-W005W019-22V+22VA_GD_G+5VDGNDMUTEBDATACCLKCSB-BCSB-AAGNDRMORFORINRGNDDGNDCCLKDATAMUTEBDVDDCSBLGNDLINLFOLMOAVDDAGNDRMORFORINRGNDDGNDCCLKDATAMUTEBDVDDCSBLGNDLINLFOLMOAVDDP101 2/2(N.C.)(N.C.)(N.C.)(N.C.)(N.C.)(N.C.)

43、123123123123123123342156QH05QH06DH01RH03RH04QH03QH01QH02QH04RH01RH02DH03DH04DH02JH02JH02RH05JH02JH02JH02JH022222470470-+68K+B+OUT-OUT-B2SC22402SA9701SS1762SA9702SA9702SC22402SC22401SS1761SS1761SS176HDAM-SA9101 1/4W3.3100/25V470/25v3.3100100/25V2200/25v1000.0111/4W3.3100220/25v470/25V220/25v220/25v47

44、0/25V1/50v2.2100470/25v470/25v2.2470/25v100470/25v10000/50V10000/50V470/25V6800/16v11/4w470/25V3.31001000/10v1000/10v1001001001001001000.47 6.80.47 6.80.47 6.811/6w11/4w1 1/4wQ808L002F871Q806J871R815D834J875D824D829D823W001J874D821S891R814C814Q810J872D838C813D822J001R820D833R812C815C812J802D837J873R

45、819C891L001J806J801R816L803D815D811D817D812D816D813D818D814D835D836R813R811D819C809Q807Q805C807C811C810D820C808C821D828D827R807D805D803Q801D804D802D806R805D808Q803D807D801C805D809C803R802R801Q809R808D810C806R806Q804Q802C804J805J891J803C801C802D825D826J807C818C816R822C817R825Q812R824Q811D839D831D832L

46、804J804D840D841C820C819L805R836R835R834R831R832R833W005W006G802G803G801R826R827R828L806U811U801U812U80312312341231221121212312121234211235684710954321123(N.C)123123123123(JUMPER)(JUMPER)1231233125432154321123122112312345612312312312312312543211234562121W801(N.C)(N.C)(N.C)(N.C)GDSGDSGDSGDSGDSGDS2SK24

47、62A, 125V /F/UT500mA, 250V /N2SB102021DQ1011EQS106.2V11EQS1011EQS102SK24621DQ1011EQS1021DQ10GND21DQ1011EQS1011EQS1011EQS1011EQS1011EQS1011EQS1011EQS1011EQS1021DQ10 21DQ1013V2SK2462SD141513V11EQS1011EQS1021DQ1021DQ102SD141521DQ1021DQ1021DQ1021DQ102SK24621DQ1021DQ10HZ24-1L2SD1415HZ24-1L2SK2462SB102011

48、EQS1011EQS102SK2462SD14157.5V21DQ1021DQ101D31D3GNDACTO J501+5VD+5VM-22V+22VA_GD_G+5V+30V-30V0V12V0V15V0V15V0V15V0V12V15V36V36V0VM_G+12V-12VONW002W003PF01PS91P851W004P801TO J204+13.2+20.2+19.6-19.9+20.0-32.8+32.8+32.0+23.0+24.0+25.4-24.0-32.0-23.0-24.9+6.3+7.5+7.9+5.1+6.2+6.5+11.9+13.0+13.5-13.0-11.9

49、-19.6+5.0+5.036V36V0V+30V-30V0VPOWER SWFUSE1112+-+-+-+-+-123123123123123123213123123487651234213121234567814849323130292827262524232221201918175051525354555657585960616263642345678910111213141516474645444342414039383736353433123456789 10123123123123456789 10123456123123456789 10123123123456789 10123

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