Marantz-MA9S1-pwr-sm 维修电路原理图.pdf

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1、Monaural Power Amplifi erMA-9S1TABLE OF CONTENTSSECTION PAGE 1. TECHNICAL SPECIFICATIONS . 1 2. CAUTION . 1 3. ALIGNMENTS. 2 4. BLOCK DIAGRAM . 4 5. WIRING DIAGRAM. 5 6. SCHEMATIC DIAGRAM. 7 7. PARTS LOCATION. 11 8. EXPLODED VIEW AND PARTS LIST. 17 9. ELECTRICAL PARTS LIST. 20MA9S1 /F1N/N1G/U1GMA-9S

2、1MA-9S1Printed in JapanPlease use this service manual with referring to the user guide ( D.F.U. ) without fail.ServiceManualPrinted on 100% Recycled PaperPart no. 339J855020First Issue 2003.09 ecmRadioFans.CN 收音机爱 好者资料库MARANTZ DESIGN AND SERVICEUsing superior design and selected high grade component

3、s, 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 specifi cations for which it is famous. Parts for your MARANTZ equipment are generally available to our National Marantz Subsidiary or Agent. O

4、RDERING PARTS : Parts can be ordered either by mail or by Fax. In both cases, the correct part number has to be specifi ed. The following information must be supplied to eliminate delays in processing your order : 1. Complete address 2. Complete part numbers and quantities required 3. Description of

5、 parts 4. Model number for which part is required 5. Way of shipment 6. 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, meas

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

7、e AC power is applied, and verifi ed before it is return to the user/customer. Ref. UL Standard No. 1492.In case of diffi culties, do not hesitate to contact the Technical Department at above mentioned address. 030307MITSUPERSCOPE TECHNOLOGIES, INC.USAMARANTZ AMERICA, INC1100 MAPLEWOOD DRIVEITASCA,

8、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 EI

9、NDHOVENTHE 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

10、 - 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 - 25221

11、304FAX : +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, I

12、LLINOIS 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 SING

13、APORE 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, ONTARI

14、O 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 SPECIFICATIONSCaution : (The layout of this amplifi er is

15、 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 panel (001D, 002D) and the bracket (915G) to move the unit when the unit

16、 is disassembled.Rated power output (20 Hz to 20 kHz).300 W (8 load)600 W (4 load)Total harmonic distortion .0.01 %(20 Hz to 20 kHz, 8 load)Output bandwidth .5 Hz to 50 kHz(8 load, 0.05 %)Frequency response.3 Hz to 120 kHz(+0 / -3 dB) Damping factor . 200(20 Hz to 20 kHz, 8 load)Inout sensitivity /

17、Inout impedance .1.7 V / 20 k (BALANCED)1.7 V / 20 k (UNBALANCED)S/N (IHF A network, input shorted) . 120 dB (BALANCED)120 dB (UNBALANCED)Level of voltage amplifi cation. 29 dB (BALANCED)29 dB (UNBALANCED)Attenuation .0, -3, -6, -9, -12, dBSupply voltage /F.100 V AC, 50 / 60 Hz /N.230 V AC, 50 Hz /U

18、.120 V AC, 60 HzPower consumption /F.450 W1200 W (4 , 600 W driven) /N.500 W1200 W (4 , 600 W driven) /U.5.8 A13 A (4 , 600 W driven)Dimensions Width . 459 mm Height. 198 mm Depth. 451 mmWeight . 35.8 kg23. ALIGNMENTSMETER8 OHM LOAD4 OHM LOAD0 dB300 W600 W-10 dB 30 W 60 W-20 dB 3 W 6 W-30 dB 0.3 W 0

19、.6 W-40 dB 0.03 W 0.06 W344. BLOCK DIAGRAMAdjustment ProcedureSet the power voltage to rated voltage for this adjustmentDC Offset Voltage Adjustment1. Before turning on power, set the attenuator switch(S201) at , and turn the variable resisters R641 and R642 on the PCB(P641) counterclockwise to the

20、end. Insert digital voltage meters between the SPEAKERS1 + terminal on the rear panel and the GND terminal of C001/C002, and between the SPEAKERS1 terminal on the rear panel and the GND terminal of C001/C002.2. After the all preparation in Step 1 is done, turn on power. Just after the speaker relays

21、 turning on, make the adjustment to set the offset voltages of the SPEAKERS1 + terminal and the SPEAKERS1 terminal to 0V 20mV. Also, the difference between the offset voltages of the SPEAKERS1 + terminal and the SPEAKERS1 terminal must be within 3mV. Offset voltage between the SPEAKERS1 + terminal a

22、nd GND Insert an adjustment screw driver to the adjustment hole on the cupper cover of the HDAM Q501 on the PCB P501 and adjust. Offset voltage between the SPEAKERS1 terminal and GND Insert an adjustment screw driver to the adjustment hole on the cupper cover of the HDAM Q502 on the PCB P501 and adj

23、ust.Idling Current Adjustment1. After DC Offset Voltage Adjustment is completed, adjust the idling current with the variable resisters R641 and R642 on the PCB(P641).2. Connect a digital voltage meter in between the 1 pin and the 3 pin of J639 and in between the 1 pin and the 3 pin of J641 each. Con

24、nect the 1 pin terminals of J639 and J641 to + and the 3 pin to .3. With seeing the digital voltage meter, turn the variable resisters clockwise slowly to adjust the idling current. Idling current adjustment with R641 R641 is to adjust the idling current for the power transistor(s) on the upper side

25、 of the heat sink. Turn R641 clockwise to increase the idling current. The voltage measured by the digital voltage meter connected to J639 will increase. Idling current adjustment with R642 R642 is to adjust the idling current for the power transistor(s) on the lower side of the heat sink. Turn R642

26、 clockwise to increase the idling current. The voltage measured by the digital voltage meter connected to J641 will increase.4. The voltage of the idling current will be 10mV(50mA) for each. The voltage reaches approx. 12mV(60mA) 3 minutes after turning on power then the voltage decreases slowly to

27、approx. 10mV(50mA) about 40 minutes after and becomes stable.Meter Adjustment1. Connect an oscillator to the input terminal UNBALANCED-1 and connect an AC voltage meter to the speaker output terminals. ATTENUATOR is set to 0dB and no load is connected to the speaker output.2. Turn on power and adjus

28、t output power (output frequency 1kHz) of the oscillator to set the speaker output voltage to 49.0V.3. When the speaker output voltage becomes 49.0V, adjust the variable resistor R917 on the PCB P801 to set the meter 0dB. (Output voltage 49.0V means 300W for 8, 600W for 4.)4. Assuming this point as

29、0db, decrease the output power of the oscillator like 10dB 20dB 30dB 40dB, the meter will show the corresponding measurements.123BALANCED12I/VSPEAKEROUTPUTINPUT / DRIVE STAGEMETER / PROTECTUNBALANCEDINPUTATTATTI/VI/VI/VPROTECTFINAL STAGEREGULATORSOFTSTARTINPUTSELECTOR65P641IDLING ADJ P621N POWER TR

30、(POWER DRIVER)P611H POWER TR (POWER DRIVER)P801POWER SUPPLY(& METER DRIVE)P961LEVELE METER(& LED)P981R LEDP971 L LEDP951 LEVEL ON/OFF SW (METER SW)P221 MODE SEL (INPUT SEL)J601(7P) J401(4P) J402(2P) J903(2P) J802(3P) J803(4P) J901(7P) J804(3P) J902(4P) J808(4P) J809(5P) J904(2P) J635(3P) J636(3P) J9

31、05(7P) J619(3P) J620(3P) J602(5P) J611(4P) J612(4P) J608(2P) J607(2P) J906(2P) J613(4P) J615(3P) J621(3P) J617(3P) J643(3P) J603(2P) J606(3P) J605(3P) J604(2P) J614(4P) J616(3P) J618(3P) J610(3P) J961(5P) J981(5P) J971(5P) W009 W035 W008 J801(3P) P201 INPUT ATT SW P501INPUT AMP (VOLTAGE AMP.)J502(7P

32、) J203(2P) J202(2P) J201(3P) J204(5P) J205(4P) J206(5P) P851AC INPUT (SOFT START)P871 POWER SW L001 POWER TRANS W010 W004 L002 CHOKE COIL W006 W002 W033 W031(BLU) W030(BLU)W029(RED) W028(RED) J640(3P) J620(3P) J609(3P) W015 W003 W007 W007 W013 BALANCED UN BAL 1 UN BAL 1 W012 W011 W014 W991 W026 W027

33、 SPK 1 SPK 2 W024 W022 W020 W018 W016 W019 W017 W021 W023 W025 W034 AC IN P601MAIN AMP (POWER BUFFER AMP.)P991 C001 C002 J951(4P) J952(5P) J953(2P) J871(2P) J852(2P) J854(2P) J851(2P) W032 J623(1P) J625(1P) POSISTER J624(1P) J626(1P) J208(1P) INPUT J822(1P) J008 J009 J010 J011 L003 L004 J007 J006 J0

34、05 5. WIRING DIAGRAM786. SCHEMATIC DIAGRAM+-+-+-+-1234362151267521321367521312346.41234362151231232731651231231263451843591012213675123123123436215123675123213675123123123123123(JUMPER)436215123123(JUMPER)121231843591012184359101243621521367512123123126345123HSS81121236752134362151231212312341231231

35、21471211810912345123451843591012121212341234123455W5W5W5W5W5W1235W5W5W5W5W5W1231234523161W5678123493W1234567123123412123123123123432143211231231321231231231231231231231231231231231212121212312312312312312312312312312312312312312312312341231231234512345123412341234512341316524312345671231231231231231

36、2312123123(N.C)(N.C)12312100KC9580.112312(N.C)R99112345671234567123456712345671231231324.7K680p6.8k1K47k6822/25v(N.C)47K680103.32K470/63v68220/50v(N.C)4701k3.32K2.2K 2w1k22k6810.010.47/63v330470/63v3.3M2.2K2W223.3M330681470/63v470680p68332220/50v0.1100k0.01100.47/63V220p1k22/25V3323.32K226K6.8K47046

37、.4100k68k33222k470226K100k22K3302.2K 2W220P100k3.3M100.011K6800.1681220P680(JUMPER)220/25v2.2K 2W220.01332226K10470/63v226K68k22220/50v3.3M3.3M220p3.3M68022k3303.32K46.422k220/25v220220/50v681100k220/50v220/25v22K682212.1K12.1K10K8.25K4.64K10K4.64K8.25K10K10K(JUMPER)100K22022022022022022022022022022

38、0220220220220220100K1.5k4.7K1.5K4.7K10/3w10/3w0.0390.0390.10.10.10.10.10.10.10.10.10.10.10.147220k47k0.133k47/25V0.0147k47/25V0.47/50V68k3.3K8.2K10k22K0.0391022K471010101501w0.01471010104.7K2.2K4.7K2.2K1010474710150 1w0.011010106.8K100K0.168K68K6.8K1001M2.2k2.2k22k100k1.5K22k22K22k100k22K1.5K(N.C)(N

39、.C)(N.C)(N.C)1.5K1.5k1.5k1.5k1.5K1.5K1.5K1.5K46.4(JUMPER)Q619R206Q518C605J005Q603J007Q508Q618R960R544D514R517D606R533R645D516J010J201C603Q503D611C201Q612D614J009R534Q510R621R540J011R515C609Q505R643D501C512D508D602w013D613C202R536D612D628R648R513R524Q611R511R958R528C616Q501C952D502L203R626C612R509D50

40、3Q605R522R682R506Q613Q953R628Q515R525C611R537C606R646Q504R532C511D626Q513C504Q506R201C615D952R539C951C516Q507D509Q607C203R647Q608Q512C604R530R514Q609D605Q511R632R959D627R538R604D505R520R203Q517Q509D604R630R531D506D603R962Q516R603R535R541J006R633R501R956D951R627R521D511C509R202Q954L201R510R636L202C61

41、3R518Q602D513R623D601C503R527R504C510R622R542D625C508D609R523Q604D607W012Q620R681C614R529R634D504D610Q514D515R635Q502C610Q614R631D953R629W011Q617R683C513R505R508Q606C515R507R624R957R625R516R519R955Q601C506Q610C501R612C507R526J202R502Q952D608J205D510C514C502C505R961R644R543R503R684J620D507D512J008Q95

42、1J203R216R215S201R208J206R211R213R207R214R212R209R210J204L204R512J628J627R602R610R608R606R616R618R620R614R605R609R611R619R607R613R615R617R601J630J629J608J607J611J612R951R953R952R954J632J602J631R679R680C621C622R676R672R668R678R670R674J622R673R675R667R677R671R669J621J619L951R974R970R967C955R973C956C95

43、3R965Q955C954C957R971R969R968R972R929C623R685R930J905J633J634W025W021J617J615J625J613J623J609Q615Q621R649Q625R655R659Q629R663Q633R653C607Q623R651Q627R657R661Q631R665Q635W023J605W019J603W017D615R637R639R638D616J604J606R640W024J618Q636Q626Q632Q630Q624R666R660R652R650R656Q634R654C608R664Q622R662Q628R65

44、8W022J616J626J614J624J610W014R204R966W020S201J208C207R963R964D201D202D203R205R545R546J503J642J640W034J639J641J643W016R642R641J63 5J636C601C602Q957R975R977R981D955R979R985J906R983R976Q958R978D956R980R982W991R984D621D617D622D618D623D619D624D620J601J502R993R995R987R989R988R990R994R996W026W027Q616(N.C.)

45、(N.C.)(N.C.)220p220p226226HDAM-SAHDAM-SAHDAMHDAM-SAHDAM-SAHDAM-SAHDAMHDAM-SABALANCEDUNBALANCED21-2-1SPK-1SPK-2 TO C002 TO C001 TO J610 TO J60 8 TO C002 TO C001 FROM J605 FROM J60 4P201(APA)P501(APA)P641 (AMA)P611 (AMA)W029+48V-48VW031P601 (AMA)W018W028FROM J809W030P621 (AMA)FROM J401(APM)(APR)FROM J

46、901ADJ-1ADJ-2TO J643FROM J640HOTCOLD-30VRELAY+24VGND-24VP991POSISTERW015 W016 W018W034W010W00620.00.00.00.10.10.10.043.340.240.840.842.041.440.20.054.5-40.8-40.2-41.4-40.8-42.0-42.0-20.0-43.3-54.51.81.21.81.21.2-1.8-0.61.20.60.60.60.00.00.0-1.2-0.6-49.0-0.6-0.6-0.60.00.00.00.00.051.2-51.21.8-1.851.8

47、53.053.052.451.851.2-51.8-51.8-53.0-54.6-52.4-1.8-1.2-49.00.00.049.049.0-0.7-0.749.0-0.70.00.00.01.20.00.01.33.0-54.6-52.4-53.0-51.2-1.8-51.8-51.2-51.80.00.051.21.851.251.852.451.853.053.01.81.2-1.8-49.0-1.20.00.049.049.0-0.7-0.749.01.2-1.8-0.61.20.60.60.60.60.00.00.00.00.00.0-1.2-0.6-0.6-0.6-0.6-49

48、.049.0-20.0-43.3-54.5-42.0-40.8-41.4-42.0-40.2-40.80.00.00.10.10.10.0-40.240.241.342.040.840.840.242.00.054.543.320.0+55V+55V-55V-55V0VW007-48V+48V49.042.0-53.0-53.01.21.8+55V+55V-55V-55VCHGND+55V+55V-55VCGNDH-55V-24VUNBAL-2UNBAL-1BAL-40.2-51.2-1.2-0.6-1.2-0.654.654.6PTH487BIAS TPBIAS TPBIAS ADJBIAS

49、 ADJ0.62SA13582SA13492SC33812SC3421HLMF-K200HSS81HLMF-K200HLMF-K2002SA13602SA9702SA1349HZ20-1LHSS81HSS81HLMF-K200HSS812SA1360HZ20-1LHZ20-1L2SC33812SC34232SA9702SC2705HSS812SA11452SA1349HSS812SC3381HSS812SA9702SA9702SC22402SC2240HSS812SC2240HSS81MSS812SA970HSS81HSS81HSS812SC2705HSS81HSS812SA970HLMF-K

50、200HSS81HSS81HLMF-K2002SA1349HSS812SA1358HZ20-1LHLMF-K2002SA1145HLMF-K2002SC34232SC34212SC33812SC22402SC2240HSS81HSS81MSS81HSS812SC2240TA7317P2SD15082SC488 32SC29222SC29222SC29222SA185 92SA12162SA12162SA1216HSS81HSS812SA12162SC29222SA121 62SC29222SA18592SC29222SC48832SA12161SS1761SS1761SS1762SC2240H