Marantz-PM-7200-Service-Manual(1) 电路图 维修手册.pdf

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1、? ? ? ? ? ? ? ? ?! ?#?$%?2 ? ? ?5?8? 8?7(? ?!? ?5?8?!58:?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 2.TES

2、T 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 (AC) Waveform analysis a

3、nd 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 MICROPROCESSOR TMP47C200BM BLOCK DIAGRAM 3. IC

4、 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 ACCUMLATOR H RESISTERL RESISTER RAM ADDRESS BUFFER INT

5、ERRUPT 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) R82(INT1) R81(T2) R80(INT2) R63 R62 R61 R60 R53 R5

6、2 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 OSCILATER CONNECT XIN TERMINAL(RF) XUOT 34 33 30 31 32

7、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 SWITCH(ROTARY ENCODER) bit2 PROCESSOR IN-OUT SW

8、ITCH 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 CONTROL POWER SUPPLY FUNCTIONACT H L L L L L L L L L

9、 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 INPUT SWITCH (TAPE1) SOURCE INPUT SWITCH (AUX2) SOU

10、RCE 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 LED INDICATOR TAPE1 DISPLAY LED INDICATOR SOURCE

11、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 1RS 2RS PRK MUK RES PDW RXRC EN1 EN2 EN3 TXRC ENTX

12、 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 125678 SPW VDD R92(SCK) R91(SO) R90(SI) R83(T1) R82(I

13、NT1) 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 11 12 13 14 15 16 17 18 19 20 21 4 TA7317P (Pos

14、ition 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 VOLAGE) DETECT (OVER CURRENT) TA7317P 81097 4 6 VZPRE DRIVER INPUT LOGI

15、CIN2 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 43 PC817 PC817 (Position NO.7269,7270) NJM2114(Position NO.7555,7655) NJM

16、2114 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 4. BLOCK DIAGRAM 5 6 BASSTREBLE SELECTOR SOURCE OFF ON VOLUME DIRECTSOURCE POWER AMP FLAT AMP REC SELECTOR SOURCE TAPE CD R CD R TAPE OFF PROCESSOR OUT IN OUT TAPE CD-R/M

17、D 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 78 5. WIRING DIAGRAM (/02B)10n 3139 113 3404 (PM7000) 3139 113 3405 (PM8000) 3139 113 3354 3139 113 3404 FRONT 3139 113 3404 (PM7000) VOLUMEFUNCTION 31

18、39 113 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 3139 113 3404 (PM7000) 3139 113 3405 (PM8000) SPK SW MAIN DIP DIP 10R F PIN (PM7000) 3139 113 3405 (PM8000) TONE 47R 10R 9 10 6. SCHE

19、MATIC 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 PHONO CD TUNER AUX1 AUX2 COPY1-2 COPY2-1 SOURCE SOURCE GND OUT IN PROCESSOR AUX2 AUX1 TUNER CD PHONO 2R O RG 2R/ 1R O 1R/ 2L O 2L/ 1L O LG 1L/ 2R O RG 2R/I 1R O

20、 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 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

21、 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 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

22、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 2642 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 3 262

23、0 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 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

24、 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 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

25、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 7555 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 456178910111

26、213141516217181920213 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 47u/25v 2559 47u/25v 2570 10u/16v 2569 10u/16v 2659 47u/50v 2575 10u/63v 2647 10u/63v 2648 10u/63v 2649 10u/63v 2650 10u/63v 2651 2 2u/50v 2652 2 2 /50v 26

27、53 10u/63v 2654 10u/63v 2655 10u/63v 2656 10u/63v 1/4W 3576 47R 1/4W 3575 47R 1M 3618 1M 3617 1M 3615 1M 3613 4k7 3560 4k7 3559 220R 3551 220R 3552 47k 3554 47k 3553 1M 3609 1M 3610 1M 3611 1M 3612 1M 3605 1M 3606 1M 3607 1M 3608 1M 3604 1M 3603 1M 3602 1M 3601 120R 3561 120R 3562 100k 3565 100k 356

28、6 5k6 3568 5k6 3567 4k7 3556 4k7 3558 100R 3564 100R 3563 100R 3570 100R 3569 100k 3571 100k 3572 220R 3573 220R 3574 1M 3614 1M 3616 4k7 3557 4k7 3555 3632 470R 3631 470R 3628 1M 3627 1M 3625 1M 3626 1M 3630 470R 3629 470R 3624 1M 3623 1M 3621 1M 3622 1M 10k 3633 10k 3635 10k 3634 10k 3637 7602 BC5

29、47B 7601 BC557B 10 9 12 1 14 6 5 8 7 13 1602 4 3 1 2 YKC21-3257 T039 T040 T110 T055 T053 T051 T002 T001 T012 T011 T010 T009 T008 T007 T006 T005 T004 T003 T046 T045 T044 T047 T048 T049 T050 T052 T054 T056 T057 T058 T059 T060 T061 T034 T035 T036 T037 T023 T024 T026 T 2 T027 T028 029 T020 T021 T022 T01

30、9 T018 T 30 T 31 T 32 T 33 T013 T015 T016 T014 T017 T038 T041 T043 T042 5 4 10 9 8 7 6 5 4 3 2 1 1613 7 8 9 10 15 1 1604 2 3 4 5 6 7 8 9 10 11 12 13 14 6 3 1 1606 2 6608 1N4148 6605 1N4148 21 3 4 5 6 7 8 5609 21 3 4 5 6 7 8 56 0 21 3 4 5 6 7 8 5612 21 3 4 5 6 7 8 5611 21 3 4 5 6 7 8 5604 21 3 4 5 6

31、5603 21 3 4 5 6 7 8 5551 21 3 4 5 6 5601 21 3 4 5 6 7 8 5606 21 3 4 5 6 7 8 5605 21 3 4 5 6 7 8 5602 21 3 4 5 6 7 8 5608 21 3 4 5 7 5607 2556 680p N) 150p U,F) 680p N) 150p U,F) 2555 470p 2554 470p N)N) 2553 22n 2610 22n 2609 22n 2608 22n 2606 150p 2621 150p 2622 150p 2623 150p 2624 22n 2605 22n 260

32、3 22n 2604 150p 2617 150p 2618 150p 2619 150p 2620 150p 2616 150p 2615 150p 2614 150p N)N)N)N)N)N)N)N)N)N)N)N) 2613 22n 2602 22n 2601 0 047u 2564 0 047 2563 0 012u 2567 1800p 2565 1800p 2566 0 012u 2568 22n 2551 2n2 2562 2n2 2561 4700p 2571 4700p 2572 22n 2607 22n 2552 22n 2611 22n 2612 2634 22n 263

33、3 22n 2632 22n 2631 22n 2638 22n 2637 22n 2636 22n 2645 150p 2646 150p 2635 22n 2643 150p 2644 150p 2641 150p 2642 150p 2639 150p N)N)N)N)N)N)N)N) 2640 150p 4 3 2 1257 1 7551 2SK369BL 7552 2SK369 L 7554 2SK369 L 7553 2SK369BL 8 2 3 1 7555 NJM2114 4 6 5 7 7555 NJM2114 1601 4 5 3 1 2 1551 4 5 3 1 2 8

34、6 9 8 6 9 8 6 9 7 5 2 3 1 3 1 4 2 1612 7 5 3 1 4 2 1611 7 5 Rgnd Lgnd Rgnd Lgnd Rgnd Lgnd Rgnd Lgnd Rgnd Lgnd Rgnd Lgnd Rgnd Lgnd Lgnd Rgnd Rgnd Lgnd 3139 118 85360 sh130 2 dd wk922 FUNCTION 1 Resistance value 0.1 .00110 .1001k .102100k . 104 0.5 .00518 .1802.7k .272680k . 684 1 .010100 .10110k .103

35、1M . 105 6.8 .068 390 .39122k .2234.7M . 475 Note : Please distinguish 1/4W from 1/6W by the shape of parts used actually. CAPACITORS C : CERAMIC CAP. 3) DD1 x x x x 370, Ceramic capacitor Disc type Temp.coeff. P350N1000, 50V 3 Capacity value 2 Tolerance Examples 2 ATolerance (Capacity deviation) 0.

36、25 pF .0 0.5 pF .1 5 % .5 Tolerance of COMMON PARTS handled here are as follows : 0.5 pF - 5 p . 0,25 pF 6 pF - 10 pF . 0.5 pF 12 F - 560 pF. 5 % 3 Capacity value 0.5 pF . 0053 pF . 030100 pF. 101 1 pF . 01010 pF . 100220 pF. 221 1.5 p . 01547 pF . 470560 pF. .561 C : CERAMIC CAP. 4) DK16 x x x 300,

37、 High dielectric constant ceramic capacitor Disc type Temp.chara. 2B4, 50V 4 Capacity value Examples 4 Capacity value 100 pF .1011000 pF . 10210000 pF . 103 470 pF .4712200 pF . 222 C 5)ELECTR0LY CAP.( ), 6)FILM CAP ( ) 5) EA x x x x x x 10, Electrolytic capacitor One-way lead typeTolerance 20% 6 Wo

38、rking voltage 5 Capacity value Examples 5 Capacity value 0.1 F . 044.7 F . 475 100 F .107 0.33 F . 334 10 F . 106330 F .337 1 F . 10522 F . 2261100 F .118 2200 F .228 6 Working voltage 6.3 V. . .00625 V. . .025 10 V. . .01035 V. . .035 16 V. . .01650 V. . .050 6) DF15 x x x 350Plastic film capacitor

39、 DF15 x x x 310 One-way type, Mylar 5% 50V DF16 x x x 310Plastic film capacitor One-way type, Mylar 10% 50V 7 Capacity value Examples 7 Capacity valu 0.001 F (1000pF) . 102 0.1 F.104 0.0018 F. 1820.56 F.564 0.01 F. 103 1 F.105 0.015 F. 151 1) The above CODES(R , R , C ,C and C ) are omitted on the s

40、chematic diagram in some case. 2) On the occasion, be confirmed the common parts on the parts list. 3) Refer to “Common Parts List” for the other common parts(Rl05, DD4, DK4). NOTE ON SAFETY FOR FUSIBLE RESISTOR : The suppliers and their type numbers of fusible resistors are as follows ; 1 . KOA Cor

41、poration Part No.(MJI) Type No.(KOA) Description NH05 x x x 140RF25S x x x x J(5% 1/4W) NH05 x x x 120 RF50S x x x x J(5% 1/2W) NH85 x x x 110RF73B2A x x x x J(5% 1/10W) NH95 x x x 140RF73B2E x x x x J(5% 1/4W) Resistance value Resistance value(0.1 - 10k ) 2. Matsushita Electronic Components Co., Lt

42、d Part No.(MJI) Type No.(MEC) Description NF05 x x x 140 ERD-2FCJ x x x(5% 1/4W) RF05 x x x 140 NF02 x x x 140 ERD-2FCG x x x(2% 1/4W) RF02 x x x 140 Resistance value Examples : Resistance value 0.1 .00110 . 1001k . 102100k . 104 0.5 .00518 . 1802.7k . 272680k . 684 1 .010100 . 10110k . 1031M . 105

43、6.8 .068390 . 39122k . 234.7M . 475 ABBREVIATION AND MARKS ANT.: ANTENNABATT.: BATTERY CAP.: CAPACITORCER.: CERAMIC CONN.: CONNECTINGDIG.: DIGITAL HP: HEADPHONEMIC.: MICROPHONE -PRO: MICROPROCESSORREC.: RECORDING RES.: RESISTORSPK: SPEAKER SW: SWITCHTRANSF.: TRANSFORMER TRIM.: TRIMMINGTRS.: TRANSIST

44、OR VAR.: VARIABLEX TAL: CRYSTAL SM970926ACT NOTE ON SAFETY: Symbol Fire or electrical shock hazard. Only original parts should be used to replaced any part marked with symbol . Any other component substitution ( other than original type), may increase risk of fire or electrical shock hazard. NOTE: P

45、OS. NO VERS. COLOR PART NO. (PCS) DESCRIPTION POS. NO VERS. COLOR PART NO. (PCS) DESCRIPTION FUNCTION CIRCUIT BOARD CAPACITORS 2551 4822 126 12147CER. 22NF 10% 25V 2552 4822 126 12147CER. 22NF 10% 25V 2553N4822 122 33519CER. 470pF 10% 50V 2554N4822 122 33519CER. 470pF 10% 50V 2555N4822 126 14316CER.

46、 680pF 10% 50V 2555U, F4822 122 33849CER. 150pF 10% 50V 2556N4822 126 14316CER. 680pF 10% 50V 2556U, F4822 122 33849CER. 150pF 10% 50V 2559 4822 124 12023ELECT 47 F 20% 25V 2560 4822 124 12023ELECT 47 F 20% 25V 2561 4822 121 70654FILM 2N2 10% 50V 2562 4822 121 70654FILM 2N2 10% 50V 2563 4822 121 51399FILM 47NF 10% 50V 2564 4822 121 51399FILM 47NF 10% 50V 2565 4822 121 10685FILM 1.8NF 10% 50V 2566 4822 121 10685FILM 1.8NF 10% 50V 2567 4822 121 41935FILM 12NF 5% 250V 2568 4822 121 41935FILM 12NF 5% 250V 2569 4822 124 12024ELECT 10 F 20% 16V 2570 4822 124 12024ELECT 10 F 20% 1