Marantz-MA9S2-pwr-sch 维修电路原理图.pdf

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1、MA-9S2Please use this service manual with referring to the user guide ( D.F.U. ) without fail.ServiceManualMA-9S2 /F N/K1G/N1G/U1GPart no. 90M339J855010First Issue 2006.09MZMonaural Power Amplifi erTABLE OF CONTENTSSECTION PAGE 1. TECHNICAL SPECIFICATIONS . 1 2. CAUTION . 1 3. ALIGNMENTS . 2 4. BLOC

2、K DIAGRAM . 4 5. WIRING DIAGRAM . 5 6. SCHEMATIC DIAGRAM . 7 7. PARTS LOCATION .11 8. EXPLODED VIEW AND PARTS LIST . 23 9. ELECTRICAL PARTS LIST . 27MA-9S2MA-9S2METER OFFOFFONpower on/offmonaural power amplifier ma-9s2power on/offmonaural power amplifier ma-9s2BALANCEDUNBALANCED-2INPUTSELECTOR1Radio

3、Fans.CN 收音机爱 好者资料库44. BLOCK DIAGRAM123BALANCED12I/VSPEAKEROUT50V PROTECTUNBALANCEDATTATTI/VI/VI/V-B-A+A+BPROTECTLOGAMPINPUTSELECTORSOFTSTART45VOUTPUT STAGE 24V+-+-+DRIVE STAGERadioFans.CN 收音机爱 好者资料库56P691IDLING ADJP681N POWER TR (POWER DRIVER)P671H POWER TR (POWER DRIVER)P801POWER SUPPLY(& METER DRI

4、VE)P951LEVELE METER(& LED)P981R LEDP971L LEDP941LEVEL ON/OFF SW(METER SW)P401MODE SEL(INPUT SEL)INPUT ATT SWP501INPUT AMP(VOLTAGE AMP.)P851AC INPUT(SOFT START)P871POWER SWL001POWERTRANSL002CHOKECOILSPK 1SPK 2AC INP601MAIN AMP(POWER BUFFER AMP.)P991C001C002POSISTERJ008J009J010J011J601(9P)J401(4P)J402

5、(2P)J903(2P)J802(3P)J803(3P)J901(7P)J804(3P)J902(5P)J808(4P)J809(5P)J307(3P)J308(3P)J305(7P)J619(3P)J620(3P)J602(5P)J611(4P)J612(4P)J608(2P)J607(2P)J306(2P)J671(4P)J673(3P)J621(3P)J674(3P)J676(3P)J669(2P)J694(3P)J693(3P)J692(2P)J681(4P)J683(3P)J684(3P)J682(3P)J951(6P)J981(5P)J971(5P)W009W008J801(3P)

6、P201J502(9P)J501(5P)J205(4P)J204(5P)W010W004W006W002W033W031(BLU)W030(BLU)W029(RED)W028(RED)J685(3P)J622(3P)J672(3P)W015W003W007W007W014W991W026W027W024W022W020W018W016W019W017W021W023W025W034J941(5P)J942(6P)J871(2P)J852(2P)J854(3P)J851(3P)W032J678(1P)J679(1P)J688(1P)J689(1P)J505(1P)J807(1P)L003L004

7、J203(2P)J202(2P)J201(3P)W013W012W011J007J006J005BALANCEDUN BAL 1UN BAL 2INPUTJ2081P)6. WIRING DIAGRAM87-0.70.00.00.01.20.00.01.33.055.453.724.223.823.754.322.522.521.921.321.320.700-55.4-53.7-54.3-24.2-23.8-23.7-20.7-21.3-21.3-22.5-22.5-21.9000055.955.453.553.453.052.352.40.0354.854.20.60-0.03-0.61.

8、7-1.7-52.3-52.451.7-51.7-53.0-53.5-53.4-54.8-54.2-55.4-55.91.2-1.20048.500-48.5-55.955.9-1.7-0.51.148.51.20.6000-0.6000-1.2-48.512343621512213123(JUMPER)1234362151231231231231843591012123123436215123123123123123436215123(JUMPER)121231843591012184359101212123123HSS8112123123121231234(JUMPER)123123121

9、47121181091212341234123455W5W5W5W5W5W1235W5W5W5W5W5W1231231278541W56781234912345671231234121231231231234321432112312312312312312312312312312312312312312121212123123123123123123123123123123123123123123123123412312312341234123451234131652431234567123123123123(N.C)12100KC3100.112(N.C)R99152123123123123

10、6123143123123123436215436215123123123123123123123123123123123123123123123123123123127854123456789123456789123456789123456789(JUMPER)(N.C)132312(JUMPER)(JUMPER)1231231231231212123123123123123123123123123123123123123231231123231123231123213213123451234512345123451843591012123123123W1231231212121212121

11、2Q631R210Q506C605J005J007Q630R334R524D502R531R519R637D504J010J201C603Q503D611C201Q626D614J009R520Q516R619R522J011R529C611R635W013D613C202D612D618R658R527Q625R535R330R514C610C302L203R624C614R660Q627Q305R626R511C613C606R638Q504R518D616R203C609D302R521C301C510Q621C203R657Q622Q518C604R516R528Q623Q517R63

12、2R333D617R506R207Q505Q515R628R517R340R603R525J006R633R501R342D301R625R205Q306L201R630L202C607R532D501R621R513R504R620R526D615C506D609W012Q632R659C608R515R634D610D503R629C612Q628R631D305R627W011Q629R661C509R622R329R623R530R505R341C504Q624C501R512J202R502Q302J205C502C503R339R636R523R503R662J620J008Q30

13、1J203R220R219S201R212R215R217R211R218R216R213R214R538J628J627R601J630J629J607J611J612R321R325R314R326J632J602J631R310R306R302R304R312R308J622R307R301R309R311R305R303J621J619L302R361R351R349C307R354C308C306R348Q309C305C309R353R355R356R352R359R360J305J633J634W025W021J674J673J679J671J678J672Q671R671Q67

14、3R673R675Q675R677Q677R679C671Q672R672Q678R678R676Q676R674Q674W023J693W019J691W017D691R695R693R696D692J692J694R694W024J684Q684Q683Q686Q685Q682R684R685R682R681R683Q687R689C681R687Q681R686Q688R688W022J683J689J681J688J682R209R350W020S201C205R345R346D203D202R208R536R537J504J642J685W034J676R692R691C601R32

15、3D303R343R347J306R358D304R344R316W991R357D623D619D624D620D625D621D626D622R319R315R317R313R318R322R320R324R206R204R201R202J208DH04RH05JH01DH03JH01DH01QH03RH03QH02DH02RH02RH06QH05QH04RH04JH01QH06RH01JH01JH01RH07JH01QH01C204Q511Q513Q501Q502Q514Q512Q617Q619Q618Q620D607R611Q603Q601R617Q605Q609R613R605D60

16、1Q611D603R615R607D605R609Q607R610D602Q606R614Q610Q612D608D604Q604Q602R606D606R608Q608R612R618R616L301W015 W015J502J601C505C511C513R541R543D507D505R539R547R545R549R544R548C512R540D506C514D508R542R550R546R602R604C602R507R508R510R509R641R643R645R642R644R646R648R647R649R651R653R655R650R652R654R656R640R6

17、39R533R534C508C507Q303R327Q307R331R335C303R337Q304R328Q308R332R336C304R338J608W016Q507Q509Q510Q508Q520Q522Q521Q519Q613Q615Q616Q614Q527Q523D509R551R555Q525Q529D511R553R557Q526Q530D512R554R558Q524Q528R552R556D510Q679Q689J204J501W014W014L501D201J308W027C515C517C518C516J505J504C311R362J307W026J677J675C5

18、20C519C615C617C616C618U301U302U303U304U305C313C312C314Q501 - Q5064.7K680p6.8k1K68k68100/25v(N.C)4.7V68k6801M3.32K470/80v684.7V(N.C)1k3.32K1k22k6810.010.47/63v330470/80v223301.54k470/80v680p68464100k0.011M0.47/63V680p(N.C)1k100/25V4643.32K226K6.8K100100k120k46422k46.4226K100k22.6k330100k100.011K68068

19、122668046.4220/25v220.01464226K10470/80v226K120k22680p68022k3303.32K10022.6k220/25v220P1.54k100k220P220/25v22K68226226.81k6.81k6.81k3.83k3.32k6.81k3.32k3.83k5.62k5.62k1M22.6k1k2.2k1K2.2k0.10.10.10.10.10.10.10.10.10.10.10.122220k47k0.133k47/25V0.0147k47/25V0.47/50V68k3.3K8.2K10k68.1k68.1k471010102201

20、/4W0.01471010104.7K2.2K4.7K2.2K1010474710220 1/4w0.011010106.8K100K0.168.1k68.1k6.8K1001M2.2k2.2k1K22.6k22K22.6k1K(N.C)(N.C)(N.C)(N.C)1K1k1k1k1K1K1K1K(JP)(JP)(JP)(JP)22-OUT+B224702222-B470+OUT+68K-220p1022.610100k22.656056056010100k5601022.622.6220/25v100/25v100/25v4.71504.71k1501k1501k100/25v4.7100

21、/25v4.71k15022.6k4.7k4.7k150150121121100121121100100100100100100100100100100100100k100k22/25v22/25v2.2k22k6.8K0.47/63V47k2.2k22k6.8k0.47/63v47k1k47k1k47k1k47k1k47k0.010.010.010.01-0.0391022/25v22/25v(N.C)(N.C)(N.C)(N.C)0.10.10.1HDAM-SAHDAM-SA+-HDAM-SAHDAM-SA+-+-HDAM-SAHDAM-SA+-BALANCEDUNBALANCED21-2

22、-1WG339J502-SPK-1SPK-2WG339J601-WG339J501-TO C002TO C001WG339J603-WG339J605-TO J682WG339J602-TO C002TO C001FROM J694P201(APA)P501(APA)P691(AMA)P671(AMA)W029+48V-48VW031P601(AMA )W018W028FROM J809W030P681(AMA)FROM J401(APR)FROM J901ADJ-1ADJ-2HOTCOLD-30VRELAY+24VGND-24VP991WG339J606-W018W034W010W006+5

23、5V+55V-55V-55V0VW007-48V+48V+55V+55V-55V-55VCHGND+55VCGNDH-55V-24VUNBAL-2UNBAL-1BALPTH487BIAS TPBIAS TPBIAS ADJBIAS ADJHDAM-SAWA339J701-PH01+-55V+55VNFNFNFNFFNUKL2SA13582SC3421LT3K44BLT3K44BLT3K44B2SA13602SA970LT3K44BHSS812SA13602SC34232SA970HSS81HSS812SA9702SA9702SC22402SC22402SC2240HSS812SA970HSS8

24、12SA970LT3K44BHSS81LT3K44B2SA1358LT3K44BLT3K44B2SC34232SC34212SC22402SC22402SC2240TA7317P2SC48832SC29222SC29222SC29222SA18592SA12162SA12162SA1216HSS81HSS812SA12162SC29222SA12162SC29222SA18592SC29222SC48832SA12161SS1761SS176HSS81HSS81(N.C)(N.C)(N.C)(N.C)1SS1761SS1761SS1762SA9702SC22401SS1762SC22402SC

25、22402SA9702SA9702SA9702SC22402SC22402SA9702SA9702SC22402SA9702SC2240HSS812SC22402SA9702SA9702SC2240HSS812SA970HSS81HSS812SC2240HSS812SA9702SC22402SA970HSS81HSS812SC22402SA970HSS812SC224024V24V24V24V2SA9702SC22402SA9702SC22402SA9702SC22402SC22402SA9702SA9702SC22402SC22402SA9702SA9702SC22402SC22402SA9

26、702SA9702SC48831SS1762SA18592SC22401SS1762SA18592SC22401SS1762SC48832SA9701SS1762SD15082SD15081SS176A-GNDA-GNDDC Offset ADJDC Offset ADJ7. SCHEMATIC DIAGRAM91023.014.60.724.148.5-48.532.5-32.5-24.2-22.524.222.521.70.00.0-20.0-23.0-20.0-23.034.7V0V34.7V58.7V0V58.7V24.7V0V24.7V22.321.622.322.3000.60.6

27、0.119.40-23.055.9-55.931.530.923.1-23.1-30.9-31.51.9-21.7-23.222.6-32.01234123456723163V63V1321212344563211213212123512123411EQS10(N.C)11EQS10(N.C)127W121/4W1237568756835462113241324132412341234512345543211W1212123412123121234765812345672112312316712118109151361253414J90412J943121W(JUMPER)1/2W5231(N

28、.C)(JUMPER)(JUMPER)1WQ8512SD1862231L851113231411(N.C)(N.C)(N.C)12121212756818435910121234561234512345612345612345612345123451234512312312312312312312141516111213171819202611231231231231231231234700/80v4700/80v1000/50V220/25v1000/50V1/50v220/25v220/25v220/25v1k1k33000330004.74.74.70.014.7k0.12.27w0.0

29、111/2W1 1/2W2.211 1/4W2222220/25v220/25v1K10K10/25V10K1K2.2K100P1K2.2K100P10K10K100K6.8K10/25V10K10K10K10K10K22k10K22K680150(N.C)470.12.2K2.2K0.13.9K22k1K1K1K150150220/35v47/35v22K3.9K6.8 0.476.8 0.476.8 0.476.8 0.472.2k3W2.2k3W1220.47 6.83.3k1K10/50V220/35V4.7K0.0110/25V10/25V10/25V11/50V-3.3k1/4W1

30、0/25V10/25V100k100k10k10k22k22k6801k33k33k1k-3.3k 1/4W3.3k 1/4W6.8 0.47100P100PC801C802J808J901D814C803C805C804C809C806D821D822C807C808R809R810D801C001C002Q801R811R812Q802D820D819R813J001C871J401S941R953D951M951C955D802J871R851C851L852W001L002D813D811D812D817D818D815D816D808D807D805D806D803D804D809D

31、810R804R803D852D854D851D853J402R852J903R808J802R807R926R927C909C908Q903R915R914C903D902D901R912R911Q904R916C904R918Q905R919Q904C905R910Q902R908R920R921C906R906Q901R907R905R904R903R901Q903R922D904R923D905R924D906D907R925D908C907R928J809J981J971D981C981R981R971D971C971R951W002R902W004R931R913Q902R909J

32、852R815R816J804W033J858J857F851C853C854S871S401R917R952R941G802G801G803G804R801R802R817L853D856D858D857R853G851D859R854R856C856C855R855C852C952C953C954R857D860D861C951D903D855J811J822J807J810D823D825D826D824Q901L901W009J941W009J951J942W008W008J902Q951Q953Q952Q954R954C957C956R956R957R961R958R960R959R

33、955Q803Q804D827R819R821R822R820D828J859L001J803J801J854R823R824J851U863U864U865U866U862G805C911C910S4012/22/21/21/21/21/2+-2/22/2+-ACUNBAL2UNBAL1BALANCEWG399J503-WG399J505-WG399J506-+55V-55V-24VGND+24V-30VRELAY-24V+24VTO J305TO J905WG399J504-WG399J604-P941W007W006+-P981WG339J509-WG339J508-P971P951WG

34、339J507-P801P851W003P871P401TO J205W010(APA)(APS)(APS)TO J623/J624TO J625/626W028/W029W030/W031W032(APS) (APM)(APM)(APM)(APM)(APM)+24V-24V+24V-24VF,U T15A L250VHOTCOLDMETERGND-24V+24VMETERGND-24V+24VGNDMETERON+24V-24VONMETERGNDGND-55V+55VMETER ADJC001/C002TO GNDMETER OFF SWINPUT SELECTOROFFONRELAYRE

35、LAYREDWHTBLKYELN,K T6.3V L250VHOTCOLDFNUKL11EQS1024V24VKCH30A152SD14152SB102011EQS1011EQS10GNDSELU1E50CM-SKRH30A1511EQS1011EQS10 11EQS1011EQS10 11EQS1011EQS10 11EQS1021DQ1021DQ1021DQ1021DQ1021DQ1021DQ1021DQ1021DQ10NJM2114D1SS1761SS176NJM2114DHN1C03FNJM2114DNJM2114DNJM2114DNJM2147D1SS1761SS1761SS1761SS1761SS176SELU1E50CM-SSELU1E50CM-SNJM2114DHSS81GNDLT3K44B21DQ1021DQ1021DQ1021DQ10NJM2114D-2SC22402SA9702SC22402SC22402SA9702SC22401SS1761SS176GNDGNDGND