Marantz-PM7200-int-sm 维修电路原理图.pdf
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1、? ? ?!?#?$%?&? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?5?5?6?7585?5?/?5?9?2:?7?5?5?/?;?2? ?5?8? 8?7(?!? ?5?8?!58:?80 / 70 dBGeneralPower Requirements/N versions . 230 V AC,50 Hz/U versions . 120
2、V AC,60 HzDimensionsWidth. 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 AutotransformerCi
3、rcuit TesterShortting 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 voltag
4、e to amplifierTrouble 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-OUTP
5、UT PORT(SERIAL PORT)LARGE CURRENTOUTPUT PORT INPUT PORTACCUMLATORH RESISTERL RESISTERRAM ADDRESS BUFFERINTERRUPT CONTROLINTERRUPTPRIORITY F/FDATA MEMORY(RAM)STACKDCTC2TC1PROGRAMCOUNTERINTERRUPTPRIORITY RESISTERSZKEINTEVAL TIMER12 BITTIMER COUNTER(2ch)4 BITSERIAL INTERFACER7P1CP2R8K0K03K02K01K00R92(S
6、CK)R91(SO)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 XI
7、NTERMINAL(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 SWITCHMA
8、NUAL MUTENOT 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
9、 8 9101112131415161718192021MANUAL 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
10、SWITCH (CD)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.R40R41R42R43R50R51R52R53R60R61R62R63
11、R70R71R72R73P10P11P12P13VSSMMUTFMUTVOUPVODWT3KT2KT1KAX2KAX1KTUNKCDKPHOKLSTBLMUTLPROLTP3LTP2LTP1LSOULAX2PORT NAMELAX1LTUNLECDLPHO1RS2RSPRKMUKRESPDWRXRCEN1EN2EN3TXRCENTXRELY222324252627282930313233343536373839404142P20P21P22P23K00K01K02K03TESTXINXOUTRESETHOLDR80R81R82R83R90R91R92VDDSDIP42-P-600MICROPR
12、OCESSOR TMP47C200BMPosition 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)RESETXOUTXINTESTK03K02K01K00P23P22P21P20424140393837363534333231302928272625242322R40R41R42R43R50R51R52R53R60R61R62R63R70R71R72R73P10P11P12P13Vss12345678910111
13、21314151617181920214TA7317P (Position NO.7290)746958132Q1Q2Q3Q4R1R2Q5Q6Q7Q10Q11Q13Q12Q9Q8Q19Q20Q18R5Q17Q16Q15Q14R4R3ORDETECT(POWER ON/OFF)MUTINGDISCHAGESCHMITTREGULATORRELAYDRIVE23789SUBSTRAGHT564GND1DETECT(IDC VOLAGE)DETECT(OVER CURRENT)TA7317P8109746VZPREDRIVERINPUT LOGICIN215GNDIN123OUT1P1LB1641L
14、B1641LB1641(Position NO.7402)V+INPUTINPUTOUTPUTV+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-
15、INPUTB+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
16、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
17、113 3404(PM7000)3139 113 3405(PM8000)SPK SWMAINDIPDIP10RF PIN(PM7000)3139 113 3405(PM8000)TONE47R10R9106. SCHEMATIC DIAGRAM AND PARTS LOCATION (PARTS SIDE)0V0V0V0V7V7V7V7V7V7V7V7V14V14V0V0V0V0V28V28V0V0VDIRECTTAPE2TAPE1DIRECTPHONOCDTUNERAUX1AUX2COPY1-2COPY2-1SOURCESOURCEGNDOUTINPROCESSORAUX2AUX1TUNE
18、RCDPHONO2R ORG2R/1R O1R/2L O2L/1L OLG1L/2R 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 33603 G
19、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 M16265
20、2 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 32613 F
21、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 C 4255
22、3 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 77555 B
23、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/50v257510u/
24、63v264710u/63v264810u/63v264910u/63v265010u/63v26512 2u/50v26522 2 /50v265310u/63v265410u/63v265510u/63v265610u/63v1/4W357647R1/4W357547R1M36181M36171M36151M36134k735604k73559220R3551220R355247k355447k35531M36091M36101M36111M36121M36051M36061M36071M36081M36041M36031M36021M3601120R3561120R3562100k356
25、5100k35665k635685k635674k735564k73558100R3564100R3563100R3570100R3569100k3571100k3572220R3573220R35741M36141M36164k735574k735553632470R3631470R36281M36271M36251M36261M3630470R3629470R36241M36231M36211M36221M10k363310k363510k363410k36377602BC547B7601BC557B1091211465871316024312YKC21-3257T039T040T110T
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