Marantz-PM7000-int-sm 维修电路原理图.pdf

《Marantz-PM7000-int-sm 维修电路原理图.pdf》由会员分享，可在线阅读，更多相关《Marantz-PM7000-int-sm 维修电路原理图.pdf（29页珍藏版）》请在收音机爱好者资料库上搜索。

1、Integrated amplifierTABLE OF CONTENTSSECTIONPAGE1. SPECIFICATIONS. 12. TEST EQUIPMENT REQUIRED SERVICING . 23. IC INFORMATIONS. 34. BLOCK DIAGRAM. 55. WIRING DIAGRAM. 76. SCHEMATIC DIAGRAM AND PARTS LOCATION (PARTS SIDE) . 97. EXPLODED VIEW AND PARTS LIST. 338. IDLING CURRENT AND DC OFFSET VOLTAGE A

2、LIGNMENT . 349. ELECTRICAL PARTS LIST . 35ServiceManualPM7000 /N1B, /N1G, /U1BPM8000 /N1B, /N1G, /F1B, /F1NPlease use this service manual with referring to the user guide (D.F.U) without fail.R- PM7000 / PM8000 -276W855010 ACT3120 785 22011First Issue:1999.09PM7000/8000PM7000/8000RadioFans.CN 收音机爱 好

3、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 MARANT

4、Z 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. Comple

5、te 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 :

6、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 les

7、s 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.990921ACTUSAUSAMARANTZ AMER

8、ICA, INCMARANTZ AMERICA, INC.440 MEDINAH ROADROSELLE, ILLINOIS 60172USAPHONE : 630 - 307 - 3100FAX : 630 - 307 - 2687 BRAZILBRAZILMARANTZ BRAZILMARANTZ BRAZILCAIXA POSTAL 21462CEP 04698-970SAO PAULO, SP, BRAZILPHONE : 0800 - 123123(Discagem Direta Gratuita)FAX : +55 11 534. 8988JAPANJAPAN Technical

9、MARANTZ JAPAN, INC.MARANTZ 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 - 2

10、732241FAX : +31 - 40 - 2735578CANADACANADALENBROOK INDUSTRIES LIMITEDLENBROOK INDUSTRIES LIMITED633 GRANITE COURT, PICKERING, ONTARIO L1W 3K1CANADAPHONE : 905 - 831 - 6333FAX : 905 - 831 - 6936AUSTRALIAAUSTRALIAJAMO AUSTRALIA PTY LTDJAMO AUSTRALIA PTY LTD1 EXPO COURT, P.O. BOX 350 MT. WAVERLEY VIC 3

11、149AUSTRALIAPHONE : +61 - 3 - 9543 - 1522FAX : +61 - 3 - 9543 - 3677THAILANDTHAILANDMRZ 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

12、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

13、 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 - 8103KOREAKOREAMK ENTERPRISES LTD.MK ENTERPRISES LTD.ROOM 604/605

14、, 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 2502213RadioFans.CN 收音机爱 好者资料库

15、1. SPECIFICATIONSPower output (class AB operation)RMS 8ohms (20 Hz - 20 kHz) .95WDIN 8 ohms .105WTHD at 8 ohms RMS rated output.0.03%Damping factor. 150Power out put (PM8000 classA operation)RMS 8 ohms (20 Hz - 20 kHz) .25 WDIN 8 ohms .28 WTHD at 8 ohms RMS. rated output.0.03%Damping factor. 130IHF

16、dynamic power (class AB operation)8 ohms .120 WIHF dynamic power (PM8000 class A operation)8 ohms .35 WMagnetic cartridge input (MM)input sensitivity impedance . 2.5 mV/47 kOhmsAccuracy of frequency response to IEC RIAA . 0.5 dBSignal to noise ratio.85 dBTuner/CD/Aux/Tape inputsinput sensitivity imp

17、edance . 150 mV/40 kOhmsSignal to noise ratio.109dBFrequency response(-1 dB limits, Source Direct) . 10 Hz - 50 kHzTone characteristic (100 Hz and 10 kHz) .8 dBChannel separation(1 kHz/10 kHz, Source direct) . 80 / 70 dBGeneralPower Requirements/N versions . 230 V AC,50 Hz/U versions . 120 V AC,60 H

18、zDimensionsWidth. 440 mmHeight . 159 mmDepth . 370.5 mmWeightUnit alone . 12.3 kgSpecifications subject to change without prior notice12.TEST EQUIPMENT REQUIRED FOR SERVICINGItemDistortion AnalyzerAudio OscillatorAC VTVMOscilloscopeDC VTVMAC WattmeterLine VoltmeterVariable AutotransformerCircuit Tes

19、terShortting PlugUseDistortion measurementsSinewave and squarewave signal sourceVoltage measurements (AC)Waveform analysis and trouble shooting and ASO alignmentVoltage measurements (DC)Monitors primary power to amplifierMonitors of primary voltage to amplifierAdjust level of primary voltage to ampl

20、ifierTrouble shootingShorts amplifier input to eliminate noise pickup2MICROPROCESSOR TMP47C200BM BLOCK DIAGRAM3. IC INFORMATIONSVSSVDDFLAGALUHOLD OPERATION MODE CONTROLSYSTEM CONTROLTIMING GENERATORCLOCK GENERATOR IN-OUTPUT PORTIN-OUTPUT PORT (TIME/COUNTER INPUT)(IEXTERNAL INTERRUPT)IN-OUTPUT PORT(S

21、ERIAL PORT)LARGE CURRENTOUTPUT PORT INPUT PORTACCUMLATORH RESISTERL RESISTERRAM ADDRESS BUFFERINTERRUPT CONTROLINTERRUPTPRIORITY F/FDATA MEMORY(RAM)STACKDCTC2TC1PROGRAMCOUNTERINTERRUPTPRIORITY RESISTERSZKEINTEVAL TIMER12 BITTIMER COUNTER(2ch)4 BITSERIAL INTERFACER7P1CP2R8K0K03K02K01K00R92(SCK)R91(SO

22、)R90(SI)R83(T1)R82(INT1)R81(T2)R80(INT2)R63R62R61R60R53R52R51R50R43R42R41R40R6R5R41234R9DATACONVERTERTABLEPROGRAMMEMORY(ROM)INSTRUCTIONRESISTERINSTRUCTIONDECODER3940412524232220191817161514134221POWERGND.HOLD INPUT HOLD(SENC INPUT)(KE0)RESET INPUT RESETTEST TERMINAL TESTOSCILATER CONNECT XINTERMINAL

23、(RF) XUOT3433303132P23P22P21P20P13P12P11P10R73R72R71R70SDIP42-P-6003LLLLLLLLLLLLLLLED INDICATOR AUX1 DISPLAYLED INDICATOR TUNER DISPLAYLED INDICATOR CD DISPLAYLED INDICATOR PHONO DISPLAYSOURCE INPUT SWITCH(ROTARY ENCODER) bit1SOURCE INPUT SWITCH(ROTARY ENCODER) bit2PROCESSOR IN-OUT SWITCHMANUAL MUTE

24、NOT USED (GND)CLOCK 4.00 MHz (IN)CLOCK 4.00 MHz (OUT)SYSTEM RESETPOWER DOWN CHECKREMOTE CONTROL INPUT (RC-5)MODEL SELECT 1MODEL SELECT 2MODEL SELECT 3SERIAL DATA(RC-5 REMOTE CONTROL)ENABLE (REMOTE CONTROL)STAND-BY RELAY CONTROLPOWER SUPPLYFUNCTIONACTHLLLLLLLLLLLLLLLLLLLPIN no. 1 2 3 4 5 6 7 8 910111

25、2131415161718192021MANUAL MUTE SIGNAL MUTESIGNAL(SOURCE/MONITOR SWITCH)MOTOR DRIVE VOLUME UPMOTOR DRIVE VOLUME DOWNMONITOR INPUT SWITCH (TAPE3)MONITOR INPUT SWITCH (TAPE2)MONITOR INPUT SWITCH (TAPE1)SOURCE INPUT SWITCH (AUX2)SOURCE INPUT SWITCH (AUX1)SOURCE INPUT SWITCH (TUNER)SOURCE INPUT SWITCH (C

26、D)SOURCE INPUT SWITCH (PHONO)LED INDICATOR STAND BY DISPLAYLED INDICATOR MUTE DISPLAYLED INDICATOR PROCESSOR DISPLAYLED INDICATOR TAPE3 DISPLAYLED INDICATOR TAPE2 DISPLAYLED INDICATOR TAPE1 DISPLAYLED INDICATOR SOURCE DISPLAYLED INDICATOR AUX2 DISPLAYGND.R40R41R42R43R50R51R52R53R60R61R62R63R70R71R72

27、R73P10P11P12P13VSSMMUTFMUTVOUPVODWT3KT2KT1KAX2KAX1KTUNKCDKPHOKLSTBLMUTLPROLTP3LTP2LTP1LSOULAX2PORT NAMELAX1LTUNLECDLPHO1RS2RSPRKMUKRESPDWRXRCEN1EN2EN3TXRCENTXRELY222324252627282930313233343536373839404142P20P21P22P23K00K01K02K03TESTXINXOUTRESETHOLDR80R81R82R83R90R91R92VDDSDIP42-P-600MICROPROCESSOR T

28、MP47C200BMPosition NO.7401G26 27 28 2935 36 37 389 10 11 125678SPWVDDR92(SCK)R91(SO)R90(SI)R83(T1)R82(INT1)R81(T2)R80(INT2)HOLD(KE0)RESETXOUTXINTESTK03K02K01K00P23P22P21P20424140393837363534333231302928272625242322R40R41R42R43R50R51R52R53R60R61R62R63R70R71R72R73P10P11P12P13Vss12345678910111213141516

29、17181920214TA7317P (Position NO.7290)746958132Q1Q2Q3Q4R1R2Q5Q6Q7Q10Q11Q13Q12Q9Q8Q19Q20Q18R5Q17Q16Q15Q14R4R3ORDETECT(POWER ON/OFF)MUTINGDISCHAGESCHMITTREGULATORRELAYDRIVE23789SUBSTRAGHT564GND1DETECT(IDC VOLAGE)DETECT(OVER CURRENT)TA7317P8109746VZPREDRIVERINPUT LOGICIN215GNDIN123OUT1P1LB1641LB1641LB16

30、41(Position NO.7402)V-+INPUT-INPUTOUTPUTV+NJM20681827364A OUTPUTA -INPUTA +INPUTV-5V+B OUTPUTB-INPUTB+INPUTABNJM2068NJM2068 (Position NO.7501,7502,7503)12431243PC817PC817 (Position NO.7269,7270)NJM2114(Position NO.7555,7655)NJM21145ABVCC1P2OUT2VCC2A OUTPUTA -INPUTA +INPUTV-1827364V+B OUTPUTB-INPUTB+

31、INPUTV+V-OUTPUT+INPUT-INPUTNJM21144. BLOCK DIAGRAM56BASSTREBLESELECTORSOURCEOFFONVOLUMEDIRECTSOURCEPOWER AMPFLAT AMPREC SELECTORSOURCETAPE CD-RCD-R TAPEOFFPROCESSOROUTINOUTTAPECD-R/MDINCD-R/MDTAPETUNERAUX 2AUX 1CDPHONOPHONO EQ-+-+-+-+TONE AMPBALANCEVOLUMEHEADPHONESSYSTEM 1SYSTEM 2+-+3139 119 27890 d

32、d wk922785. WIRING DIAGRAM(/02B)10n3139 113 3404(PM7000)3139 113 3405(PM8000)3139 113 33543139 113 3404FRONT3139 113 3404(PM7000)VOLUMEFUNCTION3139 113 3357(PM8000)3139 113 33573139 113 3405(PM8000)(PM7000)3139 113 34043139 113 3405TONEPOWERTAPE IN/OUTSPKPROTECTMAIN TRAFOENCODER3139 113 3357DIP3139

33、113 3404(PM7000)3139 113 3405(PM8000)SPK SWMAINDIPDIP10RF-PIN(PM7000)3139 113 3405(PM8000)TONE47R10R9106. SCHEMATIC DIAGRAM AND PARTS LOCATION (PARTS SIDE)0V0V0V0V7V7V7V7V7V7V7V7V+14V-14V0V0V0V0V28V28V0V0VDIRECTTAPE2TAPE1DIRECTPHONOCDTUNERAUX1AUX2COPY1-2COPY2-1SOURCESOURCEGNDOUTINPROCESSORAUX2AUX1TU

34、NERCDPHONO2R/ORG2R/I1R/O1R/I2L/O2L/I1L/OLG1L/I2R/ORG2R/I1R/O1R/I2L/O2L/I1L/OLG1L/IRRGLGL+15VPHONO-15VCDDIRECTTUNER+24VAUX1COPY2-1TAPE1SOURCETAPE2AUX2COPY1-2ToVOLUMEFromFRONTFromFUNCTIONFUNCTIONToFUNCTIONTAPE IN/OUT2R_i2R_o1R_o1L_o2L_o1R_i2L_i1L_iOUTTAPEINOUTCD-R/MDIN2R_i1R_i1L_i2L_i3605 H 33604 H 33

35、603 G 33602 F 33601 F 35551 E 53576 B103575 A103574 D 93573 A 93572 C 83571 B 83570 C 83569 B 83568 C 63567 A 73637 C123566 C 63565 A 63564 C 73563 B 73562 C 63561 B 63560 C 53559 B 53558 D 63557 A 73635 C123556 D 53555 A 73554 C 43553 A 43552 C 43551 A 42659 C122656 N182655 M182654 N163634 C132653

36、M162652 H102651 I112650 J 52649 I 52648 H 52647 F 52646 F182645 F182644 E183633 C132643 D182642 D182641 C182640 B182639 B182638 F162637 F162636 E165603 I 52635 D162634 C163632 G182633 C162632 B162631 B162624 L 32623 L 32622 K 32621 K 32620 J 32619 J 32618 I 33631 E182617 H 32616 H 32615 G 32614 F 32

37、613 F 32612 L 22611 L 22610 K 22609 K 22608 J 23630 D182607 J 22606 I 22605 I 22604 H 22603 G 22602 G 22601 F 22575 E 52574 B 92573 C 93629 C182572 C 92571 B 92570 D 82569 A 82568 C 72567 B 72566 C 72565 B 72564 C 62563 B 63628 F172562 C 72561 B 72560 C 62559 B 62558 C 52557 B 52556 C 52555 A 52554

38、C 42553 A 43627 F172552 C 42551 B 41613 D211612 D171611 A171606 M201604 D131602 G 21601 F 31551 B 33626 E171257 H133625 D173624 D173623 C175602 H 53622 B173621 B173618 I133617 H133616 K 83615 F 83614 K 73613 F 83612 L 33611 L 35601 F 53610 K 33609 K 33608 J 33607 J 33606 I 37602 C117601 C137555 C 77

39、555 B 77554 C 67553 A 67552 C 57551 A 56608 I126605 H 85612 N185611 M185610 N165609 M165608 I115607 I105606 H105605 H 85604 J 5456178910111213141516217181920213KJNIHGFEDCBAMLKJNIHGFEDCBAML45617891011121314151621718192021325v2573220n25v2574220n256047u/25v255947u/25v257010u/16v256910u/16v265947u/50v25

40、7510u/63v264710u/63v264810u/63v264910u/63v265010u/63v26512.2u/50v26522.2u/50v265310u/63v265410u/63v265510u/63v265610u/63v1/4W357647R1/4W357547R1M36181M36171M36151M36134k735604k73559220R3551220R355247k355447k35531M36091M36101M36111M36121M36051M36061M36071M36081M36041M36031M36021M3601120R3561120R35621

41、00k3565100k35665k635685k635674k735564k73558100R3564100R3563100R3570100R3569100k3571100k3572220R3573220R35741M36141M36164k735574k735553632470R3631470R36281M36271M36251M36261M3630470R3629470R36241M36231M36211M36221M10k363310k363510k363410k36377602BC547B7601BC557B10912111465871316024312YKC21-3257T039T0

42、40T110T055T053T051T002T001T012T011T010T009T008T007T006T005T004T003T046T045T044T047T048T049T050T052T054T056T057T058T059T060T061T034T035T036T037T023T024T026T025T027T028T029T020T021T022T019T018T030T031T032T033T013T015T016T014T017T038T041T043T0425410987654321161378910151160423456789101112131463116062660

43、81N414866051N41482134567856092134567856102134567856122134567856112134567856042134567856032134567855512134567856012134567856062134567856052134567856022134567856082134567856072556680p(N)150p(U,F)680p(N)150p(U,F)2555470p2554470p(N)(N)255322n261022n260922n260822n2606150p2621150p2622150p2623150p262422n26

44、0522n260322n2604150p2617150p2618150p2619150p2620150p2616150p2615150p2614150p(N)(N)(N)(N)(N)(N)(N)(N)(N)(N)(N)(N)261322n260222n26010.047u25640.04725630.012u25671800p25651800p25660.012u256822n25512n225622n225614700p25714700p257222n260722n255222n261122n2612263422n263322n263222n263122n263822n263722n2636

45、22n2645150p2646150p263522n2643150p2644150p2641150p2642150p2639150p(N)(N)(N)(N)(N)(N)(N)(N)2640150p4321257175512SK369BL75522SK369BL75542SK369BL75532SK369BL82317555NJM211446577555NJM211416014531215514531286986986975423131421612753142161175RgndLgndRgndLgndRgndLgndRgndLgndRgndLgndRgndLgndRgndLgndLgndRgn

46、dRgndLgnd3139 118 85360 sh130-2 dd wk922FUNCTION & TAPE IN/OUT CIRCUIT1112(K)PM8000 ONLY+13.3V+0.6V0V0V+0.8V+12.5V-48VON = +24VOFF = 0V+24V+56V-56V+56VCLASSA = +26V-56VCLASSA = -26V6.3A 250V (F, U)* FOR U & F VERSIONS(K)VOLTAGE110V220VFUSE HOLDER5203POWERFromFromPOWERFUSE HOLDERFromBLACKBLACK(K)(K)G

47、REEN(K)(K)REDBLUETRAFOToMAINFromMAIN(K)BLUE110V0V150 CT.F.0V110V(K)YELLOWBROWN(K)ORANGE(K)(K)(K)PURPLEGREEN(K)RED(K)BLUEBLUE(N,F,U)(K)(K)BROWNBLACKBROWN(K)(N,F,U)(N,F,U)(N,F,U)(K)(N,F,U)ToMAINToSPK SWPOWERFromFRONT5011PM7000 ONLY10V10V0VT3.15A 250V (N)(K)+24VMUTET.F.o150 C0V110V0V10V120VMAINS SWITCH

48、120V1210T.F.o150 CMAINS INPUT12200V115V/100V*230V/120V*5205(F, U)(N)FOR NITEMS 2204,2214,3204FOR F,U9222 J 49221 J 49206 J 49205 E 59204 F 29202 D139201 D137302 J106302 K106216 L 76215 L 66214 K 76213 K 66212 J 76211 J 66210 I146209 I146208 H146207 H146206 G146205 E156204 F136202 G 35204 F135202 F 3

49、3218 I163217 H163211 L 83210 I153209 I 83208 L 73207 J 83204 E142401 L142305 K102304 K 92302 J 72217 F152216 H122215 H122214 F142212 K 62211 K 62210 L 82209 I152208 I152207 H152206 G152205 F152204 F142202 E 32201 G 21401 L131234 K 31233 J 31232 J 31231 J 31230 K 31229 J 31228 C 91227 B 91226 B 91225

50、 A 91224 A 81223 E 61222 E111221 F 11219 K171218 J171217 G171216 I131215 H131214 F121213 E121212 F 71211 F 51209 F 51208 F 51207 F 41206 D 51205 E 51204 E 51203 E 41202 F 41201 F 2456178910111213141516217183JIMHGFEDCBALKJIMHGFEDCBALK45617891011121314151621718350V22091u2214680N250V220210n221522n22162