Marantz-PM7000-int-sm维修电路原理图.pdf

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1、Integrated amplifier TABLE OF CONTENTS SECTIONPAGE 1. SPECIFICATIONS. 1 2. TEST EQUIPMENT REQUIRED SERVICING . 2 3. IC INFORMATIONS. 3 4. BLOCK DIAGRAM. 5 5. WIRING DIAGRAM. 7 6. SCHEMATIC DIAGRAM AND PARTS LOCATION (PARTS SIDE) . 9 7. EXPLODED VIEW AND PARTS LIST. 33 8. IDLING CURRENT AND DC OFFSET

2、 VOLTAGE ALIGNMENT . 34 9. ELECTRICAL PARTS LIST . 35 Service Manual PM7000 /N1B, /N1G, /U1B PM8000 /N1B, /N1G, /F1B, /F1N Please use this service manual with referring to the user guide (D.F.U) without fail. R - PM7000 / PM8000 - 276W855010 ACT 3120 785 22011 First Issue:1999.09 PM7000/8000PM7000/8

3、000 RadioFans.CN 收音机爱 好者资料库 MARANTZ DESIGN AND SERVICE Using 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 which it is f

4、amous. 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 p

5、rocessing your order : 1. Complete address 2. Complete part numbers and quantities required 3. Description of 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

6、, FIRE HAZARD SERVICE TEST : CAUTION : After servicing this appliance and prior to returning to customer, measure 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 chas

7、sis bottom. Any resistance measurement less than 1 Megohms should cause unit to be repaired or corrected before AC power is applied, and verified before it is return to the user/customer. Ref. UL Standard No. 1492. In case of difficulties, do not hesitate to contact the Technical Department at above

8、 mentioned address. 990921ACT USAUSA MARANTZ AMERICA, INCMARANTZ AMERICA, INC. 440 MEDINAH ROAD ROSELLE, ILLINOIS 60172 USA PHONE : 630 - 307 - 3100 FAX : 630 - 307 - 2687 BRAZILBRAZIL MARANTZ BRAZILMARANTZ BRAZIL CAIXA POSTAL 21462 CEP 04698-970 SAO PAULO, SP, BRAZIL PHONE : 0800 - 123123(Discagem

9、Direta Gratuita) FAX : +55 11 534. 8988 JAPANJAPAN Technical MARANTZ JAPAN, INC.MARANTZ JAPAN, INC. 35- 1, 7- CHOME, SAGAMIONO SAGAMIHARA - SHI, KANAGAWA JAPAN 228-8505 PHONE : +81 42 748 1013 FAX : +81 42 741 9190 EUROPE / TRADING EUROPE / TRADING MARANTZ EUROPE B.V.MARANTZ EUROPE B.V. P.O.BOX 8000

10、2, BUILDING SFF2 5600 JB EINDHOVEN THE NETHERLANDS PHONE : +31 - 40 - 2732241 FAX : +31 - 40 - 2735578 CANADACANADA LENBROOK INDUSTRIES LIMITEDLENBROOK INDUSTRIES LIMITED 633 GRANITE COURT, PICKERING, ONTARIO L1W 3K1 CANADA PHONE : 905 - 831 - 6333 FAX : 905 - 831 - 6936 AUSTRALIAAUSTRALIA JAMO AUST

11、RALIA PTY LTDJAMO AUSTRALIA PTY LTD 1 EXPO COURT, P.O. BOX 350 MT. WAVERLEY VIC 3149 AUSTRALIA PHONE : +61 - 3 - 9543 - 1522 FAX : +61 - 3 - 9543 - 3677 THAILANDTHAILAND MRZ STANDARD CO.,LTDMRZ STANDARD CO.,LTD 746 - 754 MAHACHAI ROAD., WANGBURAPAPIROM, PHRANAKORN, BANGKOK, 10200 THAILAND PHONE : +6

12、6 - 2 - 222 9181 FAX : +66 - 2 - 224 6795 TAIWANTAIWAN PAI- YUING CO., LTD.PAI- YUING CO., LTD. 6 TH FL NO, 148 SUNG KIANG ROAD, TAIPEI, 10429, TAIWAN R.O.C. PHONE : +886 - 2 - 25221304 FAX : +886 - 2 - 25630415 MALAYSIAMALAYSIA WO KEE HONG ELECTRONICS SDN. BHD.WO KEE HONG ELECTRONICS SDN. BHD. SUIT

13、E 8.1, LEVEL 8, MENARA GENESIS, NO. 33, JALAN SULTAN ISMAIL, 50250 KUALA LUMPUR, MALAYSIA PHONE : +60 3 - 2457677 FAX : +60 3 - 2458180 AMERICAS AMERICAS SUPERSCOPE TECHNOLOGIES, INC.SUPERSCOPE TECHNOLOGIES, INC. MARANTZ PROFESSIONAL PRODUCTS 2640 WHITE OAK CIRCLE, SUITE A AURORA, ILLINOIS 60504 USA

14、 PHONE : 630 - 820 - 4800 FAX : 630 - 820 - 8103 KOREAKOREA MK ENTERPRISES LTD.MK ENTERPRISES LTD. ROOM 604/605, ELECTRO-OFFICETEL, 16-58, 3GA, HANGANG-RO, YONGSAN-KU, SEOUL KOREA PHONE : +822 - 3232 - 155 FAX : +822 - 3232 - 154 SINGAPORESINGAPORE WO KEE HONG (S) PTE LTDWO KEE HONG (S) PTE LTD WO K

15、EE HONG CENTRE NO.23, LORONG 8, TOA PAYOH SINGAPORE 319257 PHONE : +65 2544555 FAX : +65 2502213 RadioFans.CN 收音机爱 好者资料库 1. SPECIFICATIONS Power output (class AB operation) RMS 8ohms (20 Hz - 20 kHz) .95W DIN 8 ohms .105W THD at 8 ohms RMS rated output.0.03% Damping factor. 150 Power out put (PM8000

16、 classA operation) RMS 8 ohms (20 Hz - 20 kHz) .25 W DIN 8 ohms .28 W THD at 8 ohms RMS. rated output.0.03% Damping factor. 130 IHF dynamic power (class AB operation) 8 ohms .120 W IHF dynamic power (PM8000 class A operation) 8 ohms .35 W Magnetic cartridge input (MM) input sensitivity impedance . 2

17、.5 mV/47 kOhms Accuracy of frequency response to IEC RIAA . 0.5 dB Signal to noise ratio.85 dB Tuner/CD/Aux/Tape inputs input sensitivity impedance . 150 mV/40 kOhms Signal to noise ratio.109dB Frequency response (-1 dB limits, Source Direct) . 10 Hz - 50 kHz Tone characteristic (100 Hz and 10 kHz)

18、.8 dB Channel separation (1 kHz/10 kHz, Source direct) . 80 / 70 dB General Power Requirements /N versions . 230 V AC,50 Hz /U versions . 120 V AC,60 Hz Dimensions Width. 440 mm Height . 159 mm Depth . 370.5 mm Weight Unit alone . 12.3 kg Specifications subject to change without prior notice 1 Radio

19、Fans.CN 收音机爱 好者资料库 2.TEST EQUIPMENT REQUIRED FOR SERVICING Item Distortion Analyzer Audio Oscillator AC VTVM Oscilloscope DC VTVM AC Wattmeter Line Voltmeter Variable Autotransformer Circuit Tester Shortting Plug Use Distortion measurements Sinewave and squarewave signal source Voltage measurements

20、(AC) Waveform analysis and trouble shooting and ASO alignment Voltage measurements (DC) Monitors primary power to amplifier Monitors of primary voltage to amplifier Adjust level of primary voltage to amplifier Trouble shooting Shorts amplifier input to eliminate noise pickup 2 RadioFans.CN 收音机爱 好者资料

21、库 MICROPROCESSOR TMP47C200BM BLOCK DIAGRAM 3. IC INFORMATIONS VSS VDD FLAG ALU HOLD OPERATION MODE CONTROL SYSTEM CONTROL TIMING GENERATOR CLOCK GENERATOR IN-OUTPUT PORT IN-OUTPUT PORT (TIME/COUNTER INPUT) (IEXTERNAL INTERRUPT) IN-OUTPUT PORT (SERIAL PORT) LARGE CURRENT OUTPUT PORT INPUT PORT ACCUML

22、ATOR H RESISTERL RESISTER RAM ADDRESS BUFFER INTERRUPT CONTROL INTERRUPT PRIORITY F/F DATA MEMORY (RAM) STACK DCTC2TC1 PROGRAM COUNTER INTERRUPT PRIORITY RESISTER SZ KE INTEVAL TIMER 12 BIT TIMER COUNTER (2ch) 4 BIT SERIAL INTERFACE R7 P1 C P2 R8K0 K03 K02 K01 K00 R92(SCK) R91(SO) R90(SI) R83(T1) R8

23、2(INT1) R81(T2) R80(INT2) R63 R62 R61 R60 R53 R52 R51 R50 R43 R42 R41 R40 R6R5R4 1234 R9 DATA CONVERTER TABLE PROGRAM MEMORY (ROM) INSTRUCTION RESISTER INSTRUCTION DECODER 394041 2524232220191817 16151413 42 21 POWER GND. HOLD INPUT HOLD (SENC INPUT)(KE0) RESET INPUT RESET TEST TERMINAL TEST OSCILAT

24、ER CONNECT XIN TERMINAL(RF) XUOT 34 33 30 31 32 P23 P22 P21 P20 P13 P12 P11 P10 R73 R72 R71 R70 SDIP42-P-600 3 L L L L L L L L L L L L L L LED INDICATOR AUX1 DISPLAY LED INDICATOR TUNER DISPLAY LED INDICATOR CD DISPLAY LED INDICATOR PHONO DISPLAY SOURCE INPUT SWITCH(ROTARY ENCODER) bit1 SOURCE INPUT

25、 SWITCH(ROTARY ENCODER) bit2 PROCESSOR IN-OUT SWITCH MANUAL MUTE NOT USED (GND) CLOCK 4.00 MHz (IN) CLOCK 4.00 MHz (OUT) SYSTEM RESET POWER DOWN CHECK REMOTE CONTROL INPUT (RC-5) MODEL SELECT 1 MODEL SELECT 2 MODEL SELECT 3 SERIAL DATA(RC-5 REMOTE CONTROL) ENABLE (REMOTE CONTROL) STAND-BY RELAY CONT

26、ROL POWER SUPPLY FUNCTIONACT H L L L L L L L L L L L L L L L L L L L PIN no. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 MANUAL MUTE SIGNAL MUTE SIGNAL(SOURCE/MONITOR SWITCH) MOTOR DRIVE VOLUME UP MOTOR DRIVE VOLUME DOWN MONITOR INPUT SWITCH (TAPE3) MONITOR INPUT SWITCH (TAPE2) MONITOR INP

27、UT SWITCH (TAPE1) SOURCE INPUT SWITCH (AUX2) SOURCE INPUT SWITCH (AUX1) SOURCE INPUT SWITCH (TUNER) SOURCE INPUT SWITCH (CD) SOURCE INPUT SWITCH (PHONO) LED INDICATOR STAND BY DISPLAY LED INDICATOR MUTE DISPLAY LED INDICATOR PROCESSOR DISPLAY LED INDICATOR TAPE3 DISPLAY LED INDICATOR TAPE2 DISPLAY L

28、ED INDICATOR TAPE1 DISPLAY LED INDICATOR SOURCE DISPLAY LED INDICATOR AUX2 DISPLAY GND. R40 R41 R42 R43 R50 R51 R52 R53 R60 R61 R62 R63 R70 R71 R72 R73 P10 P11 P12 P13 VSS MMUT FMUT VOUP VODW T3K T2K T1K AX2K AX1K TUNK CDK PHOK LSTB LMUT LPRO LTP3 LTP2 LTP1 LSOU LAX2 PORT NAME LAX1 LTUN LECD LPHO 1R

29、S 2RS PRK MUK RES PDW RXRC EN1 EN2 EN3 TXRC ENTX RELY 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 P20 P21 P22 P23 K00 K01 K02 K03 TEST XIN XOUT RESET HOLD R80 R81 R82 R83 R90 R91 R92 VDD SDIP42-P-600 MICROPROCESSOR TMP47C200BM Position NO.7401 G 26 27 28 2935 36 37 389 10 11 12567

30、8 SPW VDD R92(SCK) R91(SO) R90(SI) R83(T1) R82(INT1) R81(T2) R80(INT2) HOLD(KE0) RESET XOUT XIN TEST K03 K02 K01 K00 P23 P22 P21 P20 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 R40 R41 R42 R43 R50 R51 R52 R53 R60 R61 R62 R63 R70 R71 R72 R73 P10 P11 P12 P13 Vss 1 2 3 4 5 6 7 8 9 10

31、 11 12 13 14 15 16 17 18 19 20 21 RadioFans.CN 收音机爱 好者资料库 4 TA7317P (Position NO.7290) 7 4 6 9 5 8 1 3 2 Q1 Q2 Q3 Q4 R1 R2 Q5 Q6 Q7Q10Q11 Q13 Q12 Q9Q8 Q19 Q20 Q18 R5 Q17Q16Q15Q14 R4 R3 OR DETECT (POWER ON/OFF) MUTING DISCHAGE SCHMITT REGULATOR RELAY DRIVE 2 3 7 89 SUB STRAGHT 5 6 4 GND 1 DETECT (IDC

32、 VOLAGE) DETECT (OVER CURRENT) TA7317P 81097 4 6 VZPRE DRIVER INPUT LOGICIN2 1 5 GND IN1 23 OUT1P1 LB1641 LB1641 LB1641(Position NO.7402) V- +INPUT -INPUT OUTPUT V+ NJM2068 18 27 36 4 A OUTPUT A -INPUT A +INPUT V-5 V+ B OUTPUT B-INPUT B+INPUT A B NJM2068 NJM2068 (Position NO.7501,7502,7503) 12 43 12

33、 43 PC817 PC817 (Position NO.7269,7270) NJM2114(Position NO.7555,7655) NJM2114 5 A B VCC1P2OUT2VCC2 A OUTPUT A -INPUT A +INPUT V- 18 27 36 4 V+ B OUTPUT B-INPUT B+INPUT V+ V- OUTPUT +INPUT -INPUT NJM2114 RadioFans.CN 收音机爱 好者资料库 4. BLOCK DIAGRAM 5 6 BASSTREBLE SELECTOR SOURCE OFF ON VOLUME DIRECTSOUR

34、CE POWER AMP FLAT AMP REC SELECTOR SOURCE TAPE CD-R CD-R TAPE OFF PROCESSOR OUT IN OUT TAPE CD-R/MD IN CD-R/MD TAPE TUNER AUX 2 AUX 1 CD PHONO PHONO EQ - + - - + + - - + - + TONE AMP BALANCE VOLUME HEADPHONES SYSTEM 1 SYSTEM 2 + - - + 3139 119 27890 dd wk922 RadioFans.CN 收音机爱 好者资料库 78 5. WIRING DIAG

35、RAM (/02B)10n 3139 113 3404 (PM7000) 3139 113 3405 (PM8000) 3139 113 3354 3139 113 3404 FRONT 3139 113 3404 (PM7000) VOLUMEFUNCTION 3139 113 3357 (PM8000) 3139 113 3357 3139 113 3405 (PM8000) (PM7000) 3139 113 3404 3139 113 3405 TONE POWER TAPE IN/OUT SPK PROTECT MAIN TRAFO ENCODER 3139 113 3357 DIP

36、 3139 113 3404 (PM7000) 3139 113 3405 (PM8000) SPK SW MAIN DIP DIP 10R F-PIN (PM7000) 3139 113 3405 (PM8000) TONE 47R 10R RadioFans.CN 收音机爱 好者资料库 9 10 6. SCHEMATIC DIAGRAM AND PARTS LOCATION (PARTS SIDE) 0V 0V 0V 0V 7V7V 7V 7V 7V 7V 7V 7V +14V -14V 0V 0V 0V 0V 28V 28V 0V 0V DIRECT TAPE2 TAPE1DIRECT

37、PHONO CD TUNER AUX1 AUX2 COPY1-2 COPY2-1 SOURCE SOURCE GND OUT IN PROCESSOR AUX2 AUX1 TUNER CD PHONO 2R/O RG 2R/I 1R/O 1R/I 2L/O 2L/I 1L/O LG 1L/I 2R/O RG 2R/I 1R/O 1R/I 2L/O 2L/I 1L/O LG 1L/I R RG LG L +15V PHONO -15V CD DIRECT TUNER +24V AUX1 COPY2-1 TAPE1 SOURCE TAPE2 AUX2 COPY1-2 To VOLUME From

38、FRONT From FUNCTION FUNCTION To FUNCTION TAPE IN/OUT 2R_i 2R_o 1R_o 1L_o 2L_o 1R_i 2L_i 1L_i OUT TAPE IN OUT CD-R/MD IN 2R_i 1R_i 1L_i 2L_i 3605 H 3 3604 H 3 3603 G 3 3602 F 3 3601 F 3 5551 E 5 3576 B10 3575 A10 3574 D 9 3573 A 9 3572 C 8 3571 B 8 3570 C 8 3569 B 8 3568 C 6 3567 A 7 3637 C12 3566 C

39、6 3565 A 6 3564 C 7 3563 B 7 3562 C 6 3561 B 6 3560 C 5 3559 B 5 3558 D 6 3557 A 7 3635 C12 3556 D 5 3555 A 7 3554 C 4 3553 A 4 3552 C 4 3551 A 4 2659 C12 2656 N18 2655 M18 2654 N16 3634 C13 2653 M16 2652 H10 2651 I11 2650 J 5 2649 I 5 2648 H 5 2647 F 5 2646 F18 2645 F18 2644 E18 3633 C13 2643 D18 2

40、642 D18 2641 C18 2640 B18 2639 B18 2638 F16 2637 F16 2636 E16 5603 I 5 2635 D16 2634 C16 3632 G18 2633 C16 2632 B16 2631 B16 2624 L 3 2623 L 3 2622 K 3 2621 K 3 2620 J 3 2619 J 3 2618 I 3 3631 E18 2617 H 3 2616 H 3 2615 G 3 2614 F 3 2613 F 3 2612 L 2 2611 L 2 2610 K 2 2609 K 2 2608 J 2 3630 D18 2607

41、 J 2 2606 I 2 2605 I 2 2604 H 2 2603 G 2 2602 G 2 2601 F 2 2575 E 5 2574 B 9 2573 C 9 3629 C18 2572 C 9 2571 B 9 2570 D 8 2569 A 8 2568 C 7 2567 B 7 2566 C 7 2565 B 7 2564 C 6 2563 B 6 3628 F17 2562 C 7 2561 B 7 2560 C 6 2559 B 6 2558 C 5 2557 B 5 2556 C 5 2555 A 5 2554 C 4 2553 A 4 3627 F17 2552 C

42、4 2551 B 4 1613 D21 1612 D17 1611 A17 1606 M20 1604 D13 1602 G 2 1601 F 3 1551 B 3 3626 E17 1257 H13 3625 D17 3624 D17 3623 C17 5602 H 5 3622 B17 3621 B17 3618 I13 3617 H13 3616 K 8 3615 F 8 3614 K 7 3613 F 8 3612 L 3 3611 L 3 5601 F 5 3610 K 3 3609 K 3 3608 J 3 3607 J 3 3606 I 3 7602 C11 7601 C13 7

43、555 C 7 7555 B 7 7554 C 6 7553 A 6 7552 C 5 7551 A 5 6608 I12 6605 H 8 5612 N18 5611 M18 5610 N16 5609 M16 5608 I11 5607 I10 5606 H10 5605 H 8 5604 J 5 456178910111213141516217181920213 K J N I H G F E D C B A M L K J N I H G F E D C B A M L 456178910111213141516217181920213 25v 2573 220n 25v 2574 220n 2560