Marantz-SC7S1-pre-sm 维修电路原理图.pdf

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. PARTS 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- -7s17s1volumevolumeSC-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 whichit 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 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, FIRE 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 bottom.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 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 9190EUROPE / 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 - 3677NEW 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- YUING 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 : +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 - 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 - 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 AUSTRALIARadioFans.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 Response (+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). 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 AGeneralMaximum 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. 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+-DRIVERDRIVERDISPLAYBUSCONTROLINOUTMUTE12VPPINPUTSELECTORVOLUMEATT SW.DISPLAY SW.IRID SW.MODE SW.563. SCHEMATIC DIAGRAM+-+-+-+-+-+-+-+-+-+-+-2SA9702SC22402SC22402SA9702SA9702SC22402SA9702SC2240-22V+22V2SC22402SC2240-22V2SA9702SA970+22V2SA9702SA9702SC22402SC22401SS1761SS176OPA2604AP1SS1761SS1761SS1761SS1761SS1761SS176-22V+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_GNDB_GNDA_GNDA_GNDA_GNDA_GNDA_GNDEARTHA_GNDB_GND1D31D31D31SS17611EQS1011EQS1011EQS1011EQS1011EQS1012321312123123123123(JUMPER )123123(JUMPER )123123123123(JUMPER )123123(JUMPER )12312312312312C416R436R434R438R440R442R4441843591012R448(JUMPER)R446(JUMPER)R4331843591012R441R439R447(JUMPER )R445(JUMPER )R435R437C415Q4171234R443R4501843591012R455R458R449R456R453R464(JUMPER)R462(JUMPER)R452R4541843591012R451C424R457C423R463(JUMPER)R459R461(JUMPER)R4601843591012C439R4751843591012R490R472R492R480(JUMPER)R483R494(JUMPER)R465R481R466C432R484R473C440R488R4761843591012R478(JUMPER)R485R495(JUMPER)C431R486R477(JUMPER)R468R474R496(JUMPER)R493(JUMPER )R489R471R467R479(JUMPER)R482R4691843591012R491R470R48712341234C453C454123412121234121212341212123213123123C456C4551234C451C452C458C4571234C4591234C460RC36RC38CC36CC38CC37RC35CC35RC3718435910121843591012RC03RC05RC07RC0912Q4181234Q4201234Q4191234Q4221234Q4211234Q4241234Q423123475687568756875687568756875687568C418C420C417C419C426C428C425C427C434C436C433C435C442C444C441C4431843591012RC211231231234567812345678C464C462C463C461C414(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)RC79RC80RC77RC78RC75RC76RC73RC74CD_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_+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_-226K220P226K220P15.4k22.622.615.4K100K22220/25V100K15.4K22.622.622/25V220/25V15.4K2215.4K22.6100K15.4K226K226226K22.615.4K22220P22/25V22/25V100K220P220/25V220/25V2222.615.4K22.6220p22.6K2.26K2.26K100K100K22.6K100K2.26K2.26K220p100K22.6K2.26K100K22.6K2.26K2.26K2.26K220p100K220p100K100K220p100K100K2.26K100K22.6K22.6K22.6K220p100K220p2.26K100K2.26K220p2.26K100K100K2.26K22.6K2.26K100K2.26K2.26K0.10.10.10.10.10.10.10.10.10.122221000/25 V1000/25 V1000/25V221000/25V22222222222222/25V22/25V22/25V22/25V22/25V22/25V22/25V22/25V22/25V22/25V22/25V22/25V22/25V22/25V22/25V22/25V22/25V22220.122K4.7K10K15K22K10/35V10/35V10/35V10/35V22.6K22.6K22.6K22.6K2.26K2.26K2.26K2.26K2.26K2.26K2.26K2.26KW007J003J005R404R408C408R402R406C406Q404Q408R412Q412R420R424Q416R416R432R428RC34CC34R426Q414Q406R414R418R422C410R430CC32Q402Q410R410RC32Q405Q407R411R419R425R409R431R401R407Q413Q401R403R423R415RC33R429C405C411C409R427C407Q403CC31Q415R405Q409Q411CC33RC31R417R413R421J006LC04DC04LC03DC03LC06DC05LC05DC06LC07LC09DC07DC08LC10DC10LC08DC09J403W009W010J008J007W011J010J009W012J011J012W008J004J402J401J405J407J409LC02DC02DC01RC01LC01Q418Q417Q420Q419Q422Q421Q424Q423C412LC21DC21RC18CC11QC11QC12JC03DC11RC15RC14RC13RC11RC12LC11W018R500R498R499R497DC12DC13DC14DC15DC16DC20DC19DC18DC171/21/21/21/21/21/21/21/22/22/22/22/22/22/22/22/2BABALANCEDCDBAABLINE_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+-+-+-+-+-13247658HSS81HSS81HSS81436215346215123123346215HSS81213675HSS81436215213675675213436215675213436215123HSS81HSS81123HSS811232131231218435910121234565432116151413121110987654321(JUMPER)(N.C)(N.C)121218435910121234121234HSS8116151413121110987654321213675HSS8112HSS81675213(N.C)HSS811234436215436215213121234123(N.C)HSS811233462154362151843591012123346215HSS81213675(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_-MUTEMUTE-12MUTE-12A_-B_+B_-A_+A_+100K10k2210k10k10k22610k2210k10k681681100681681332332332100p100332100p22/25v220/25v220/25v220/25V474.7K4.7K1.21K1.21K0.110k220/25v22/25v100K22610010047332226470/25V3323.3M681100p1003.3M100k1001.21K33222/25V3323.3M681226470/25v1001001.21K100k220/25V100p3.3M220/25v0.168168122/25V0.014.7K4.7K4.7K0.1222215.4K0.110010022.615.4K22.60.115.4K22.615.4K22.646.446.446.446.422.6100k3.3M15.4K100k0.122/25V15.4K470/25V22.622622.610015.4K15.4K3.3M100470/25v3.3M3.3M22/25V22622.60.122/25V22/25V22/25V22/25V22/25V100K22/25V22/25V22/25V100K22/25V22/25V100K22/25V22/25V100K1000P1000P1000P1000PRC59QC51QC51RC57RC64RC55RC51RC53RC62RC58RC63RC56RC52R513D503D509D515Q501Q505R515Q519Q523Q507D501Q515R507R509R511D513Q503Q509Q513Q525Q511Q527Q517R521D505R523R519C507D511Q521R505R517C505D507C517C519J505J015W014J017CC52CC55L501J502C527Q529R543C525R541R548R547R501R503C529D517C523C521RC54CC56CC51RC60RC61DC53J013J014LC53R593R595J507J019W016R542R522R530D508C516R524Q530R566Q510D514R510J018D516C508Q512C524C520D504W017Q502Q526J016R506R562J020J508Q524R528C522D502Q518R508Q508R502Q528R520C518C512R518R564L502W015R512Q506D512R532Q516C514R544R596R594R504R526D518C526C506R568Q522Q520C528D506Q504C530R514Q514D510R516C510J506C533R549R550R551JC51W013CC57LC51LC52DC51DC52RC16RC17J501L504L503Q548R574C536R572R570Q538R582R580Q546Q544R588Q540Q542C538R578Q536R586R576R584Q534W018R592R590R591R589R583R525R567Q541R575R527Q535C535C511R573C515R587Q547R529Q539R585R571R579R577R561Q533R569Q545Q543C513R565R563C509Q537R531R581C537Q531Q531Q532Q532C540C542C541C539C550R536C546C544C548R534C545C549R535C543C547R533C554C552C551C553L505CC54CC531/22/22SA9702SC22402SC33812SA13492SC33812SA13492SA9702SC2240EARTHWM88161SS176WM88162SA13492SA13492SC22402SA970+22V2SC33811SS17 62SC22402SA9702SA1349-22V-22V+22V1SS1761SS176-22V+22V-TAPEBALMUTE-122SA9702SC22402SA9702SC22402SC22402SC22402SA9702SA970B_+B_-A_+A_-2SC22402SA9702SA9702SC2240+22V2SA9702SA9702SC22402SC2240-22VOPA2604OPA2604OPA2604OPA2604GNDGNDGNDEARTHGNDGNDEARTHOPA2604OPA2604HDAM-SAHDAM-SAHDAM-SAHDAM-SAHDAM-SAHDAM-SAHDAM-SAHDAM-SAHDAM-SAHDAM-SAHDAM-SAHDAM-SAAPREOUT 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.)123123123123123123342156QH05QH06DH01RH03RH04QH03QH01QH02QH04RH01RH02DH03DH04DH02JH02JH02RH05JH02JH02JH02JH022222470470-+68K+B+OUT-OUT-B2SC22402SA9701SS1762SA9702SA9702SC22402SC22401SS1761SS1761SS176HDAM-SA9101 1/4W3.3100/25V470/25v3.3100100/25V2200/25v1000.0111/4W3.3100220/25v470/25V220/25v220/25v470/25V1/50v2.2100470/25v470/25v2.2470/25v100470/25v10000/50V10000/50V470/25V6800/16v11/4w470/25V3.31001000/10v1000/10v1001001001001001000.47 6.80.47 6.80.47 6.811/6w11/4w1 1/4wQ808L002F871Q806J871R815D834J875D824D829D823W001J874D821S891R814C814Q810J872D838C813D822J001R820D833R812C815C812J802D837J873R819C891L001J806J801R816L803D815D811D817D812D816D813D818D814D835D836R813R811D819C809Q807Q805C807C811C810D820C808C821D828D827R807D805D803Q801D804D802D806R805D808Q803D807D801C805D809C803R802R801Q809R808D810C806R806Q804Q802C804J805J891J803C801C802D825D826J807C818C816R822C817R825Q812R824Q811D839D831D832L804J804D840D841C820C819L805R836R835R834R831R832R833W005W006G802G803G801R826R827R828L806U811U801U812U80312312341231221121212312121234211235684710954321123(N.C)123123123123(JUMPER)(JUMPER)1231233125432154321123122112312345612312312312312312543211234562121W801(N.C)(N.C)(N.C)(N.C)GDSGDSGDSGDSGDSGDS2SK2462A, 125V /F/UT500mA, 250V /N2SB102021DQ1011EQS106.2V11EQS1011EQS102SK24621DQ1011EQS1021DQ10GND21DQ1011EQS1011EQS1011EQS1011EQS1011EQS1011EQS1011EQS1011EQS1021DQ10 21DQ1013V2SK2462SD141513V11EQS1011EQS1021DQ1021DQ102SD141521DQ1021DQ1021DQ1021DQ102SK24621DQ1021DQ10HZ24-1L2SD1415HZ24-1L2SK2462SB102011EQS1011EQS102SK2462SD14157.5V21DQ1021DQ101D31D3GNDACTO 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+13.5-13.0-11.9-19.6+5.0+5.036V36V0V+30V-30V0VPOWER SWFUSE1112+-+-+-+-+-123123123123123123213123123487651234213121234567814849323130292827262524232221201918175051525354555657585960616263642345678910111213141516474645444342414039383736353433123456789 10123123123123456789 10123456123123456789 10123123123456789 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