Marantz MD-19电路原理图 .pdf

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1、model MD-19 First Issue 1999.03 362K855010 MIT Printed in Japan Service Manual R Please use this service manual with referring to the user guide ( D.F.U. ) without fail. 修理際、必取扱説明書準備操作方法確認上作業行。 Mini Disc Deck MD-19 FB FN KBL KGL TABLE OF CONTENTS SECTIONPAGE 1.TECHNICAL SPECIFICATIONS .1 2.SERVICE M

2、ODE .2 3.MD UNIT(KMK-260) ELECTRICAL ADJUSTMENTS .6 4.WAVEFORM (FLAG NO.) . 13 5.MICROPROCESSOR AND IC DATA . 14 6.BLOCK DIAGRAM . 17 7.SCHEMATIC DIAGRAM AND PARTS LOCATIONS . 19 8.EXPLODED VIEW AND PARTS LIST. 26 9.ELECTRICAL PARTS LIST . 29 Please refer to the service manual for KMK-260 MD unit (P

3、art No. 354K855090 or 4822 725 51192) at this moment of electrical adjustments and repair for MD unit (KMK-260). MD (KMK-260KMK-260KMK-260KMK-260KMK-260)調整修理際、KMK-260KMK-260KMK-260KMK-260KMK-260 (Part No. 354K855090 4822 725 51192)参照。 MARANTZ DESIGN AND SERVICE Using superior design and selected hig

4、h 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 famous. Parts for your MARANTZ equipment are generally available to our National Marantz Subsi

5、diary 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. Complete address 2. Complete part numbers and quantities required 3

6、. 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. MARANTZ AMERICA, INC. 440 MEDINAH ROAD ROSELLE, ILLINOIS 60172 USA PHONE : 630 - 307 - 3100 FAX: 6

7、30 - 307 - 2687 LENBROOK INDUSTRIES LIMITED 633 GRANITE COURT, PICKERING, ONTARIO L1W 3K1 CANADA PHONE : 905 - 831 - 6333 FAX: 905 - 831 - 6936 MARANTZ EUROPE B. V. P .O.BOX 80002 BUILDING SFF2 5600 JB EINDHOVEN THE NETHERLANDS PHONE : +31 - 40 - 2732241 FAX: +31 - 40 - 2735578 SUPERSCOPE TECHNOLOGI

8、ES, INC. MARANTZ PROFESSIONAL PRODUCTS 2640 WHITE OAK CIRCLE, SUITE A AURORA, ILLINOIS 60504 USA PHONE : 630 - 820 - 4800 FAX: 630 - 820 - 8103 TC ELECTRONICS CANADA LTD. 540 FIRING AVE. BAIE DURF, QUEBEC H9X 3T2 CANADA PHONE : 514 - 457 - 4044 FAX: 514 - 457 - 5524 MK ENTERPRISES LTD. 2F SHINHAN BL

9、DG., 247-17 SEOKYO-DONG MAPO-KU, SEOUL KOREA PHONE : +82 - 2 - 323 - 2155 FAX: +82 - 2 - 323 - 2154 MARANTZ BRAZIL CAIXA POSTAL 21462 CEP 04698-970 SAO PAULO, SP , BRAZIL PHONE : 0800 - 123123 FAX: +55 11 534. 8988 PAl- YUING CO., LTD. 6 TH FL NO, 148 SUNG KIANG ROAD, TAIPEI, 10429, TAIWAN R.O.C. PH

10、ONE : +886 (2) 5221304 FAX: +886 (2) 5630415 MRZ STANDARD CO., LTD. 746 - 754 MAHACHAI RD., WANGBURAPAPIROM, PHRANAKORN, BANGKOK, 10200 THAILAND PHONE : +66 - 2 - 222 - 9181 FAX: +66 - 2 - 224 - 6795 WO KEE HONG ELECTRONICS SDN. BHD. NO. 102 JALAN SS 21/35, DAMANSARA UTAMA, 47400 PETALING JAYA SELAN

11、GOR DARUL EHSAN, MALAYSIA PHONE : +60 3 - 7184666 FAX: +60 3 - 7173828 MARANTZ JAPAN, INC. 35- I , 7- CHOME, SAGAMIONO SAGAMIHARA - SHI, KANAGAWA JAPAN 228-8505 PHONE : +81 42 748 1013 FAX: +81 42 741 9190 日 本 株 式 会 社 本 社 228-8505 神奈川県相模原市相模大野 7 - 35 - 1 営業本部 150-0022 東京都渋谷区恵比寿南 1 - 11 - 9 FORWARD M

12、ARKETING (S) PTE. LTD. 23, LORONG 8, TOA PAYOH, SINGAPORE 319257. PHONE : +65 2583640 FAX: +65 3564047 SHOCK, 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 c

13、onnected to AC mains and its Power switch ON ), and the face or Front Panel of product and controls and chassis 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.

14、 UL Standard NO. 1492. USACANADAEUROPE / TRADING USACANADA BRAZIL (Discagem Direta Gratuita) TAIWAN THAILAND MALAYSIA In case of difficulties, do not hesitate to contact the Technical Department at above mentioned address. JAPAN TechnicalSINGAPORE 981110MIT SCAN AUDIO PTY. LTD. 52 CROWN STREET, RICH

15、MOND 3121 VICTORIA AUSTRALIA PHONE : +61 - 3 - 9429 - 2199 FAX: +61 - 3 - 9429 - 9309 AUSTRALIA / NEW ZEALAND KOREA 1 1. TECHNICAL SPECIFICATIONS Audio Characteristics Channel . Stereo - 2 channels Monaural (LP mode) - 1 channel Frequency response . 20 to 20,000 Hz Recording system . Magnetic field

16、modulation, overwrite system Dynamic range .98 dB or more S/N .106 dB or more Channel separation .99 dB or more (1,000 Hz) THD . Below 0.003 % (1,000 Hz) Wow Schmitt Trigger input. (2) Pins 22, 24, 25, 26, 27, 28; Schmitt Trigger input with pull-up resister. (3) Pin 23; Schmitt Trigger input with pu

17、ll-down resister. Q401 : PCM1716 Voltage Reference Modulator D S Modulator D S Digital Decimation Filter Serial Output Interface Clock Divider 5 4 12 13 24 22 17 15 23 18 19 20 21 3 6 7 1 2 VREF AINL+ AINL - AINR+ AINR - AGND VA VD DGND VB CMODE MCLK SMODE2 SCLK LRCK FSYNC SDATA SMODE1 PD HPFE TST1

18、TST2 TST3 TST4 16 9 8 10 11 14 Test pin Should be left floating. (Pull- down pin) No.Pin NameI/OPIN / FUNCTION 1AINR+IRight channel analog positive input pin 2AINR-IRight channel analog negative input pin 3VREFOVoltage Reference output pin (VA-2.6V) Normally connected to VA with a 0.1uF ceramic capa

19、citor in parallel with a 10uF electrolytic capacitor. 4VAAnalog section Analog Power Supply, +5V 5AGNDAnalog section Analog Ground 6AlNL+ILeft channel analog positive input pin 7AINL-ILeft channel analog negative input pin 8TST1 Test pin Should be left floating. (Pull- down pin) Test pin Should be l

20、eft floating. (Pull- down pin) Test pin Should be left floating. (Pull- down pin)10TST2 11TST3 14TST4 9HPFEIHigh Pass Filter Enable pin (Pull- up pin) H: ON H: OFF 12VDDigital section Digital Power Supply pin, +5V 13DGNDDigital section Digital Ground pin 16PDIPower Down pin L brings the device into

21、power-down mode. Must be done once after power-on. 17MCLKIMaster Clock input pin CMODE=H : 384fs CMODE=L : 256fs 18SCLKI/OSerial Data Clock pin Data is clocked out at the falling edge of SCLK. Slave mode: 64fs clock is input usually. Master mode: SCLK outputs a 64fs clock. SCLK stays low during the

22、power-down mode(PD=L). 19LRCKI/OL/R Channel Clock Select pin Slave mode: An fs clock is fed to this LRCK pin. Master mode: LRCK output an fs clock. LRCK goes H at SMODE2=L and L at SMODE2=H during reset when SMODE1 H. 20FSYNCI/OFrame Synchronization Signal pin S!ave mode: When H, data bits are clock

23、ed out on SDATA. As I2S slave mode ignores FSYNC It should hold L or H. Master mode: FSYNC outputs 2fs clock. Stay low during the power-down mode(PD=L) . 21SDATAOSerial Data Output pin Data are output with MSB first, in 2s complement format. After 20 bits are output it turns to L. It also remains L

24、at a power- down mode(PD=L). 22CMODEIMaster Clock Selection pin L: MCLK=256fs H: MCLK=384fs 23SMODE1ISerial Interface Mode Select pin 15SMODE2IDefines the directions of LRCK, SCLK and FSYNC pins and Output Data Format. SMODE2 is pull- down pin. SMODE1 SMODE2 MODE LRCK L L Slave mode: MSB justified :

25、 H/L H L Master mode Similar to I2S : H/L L H Slave mode: I2S : L/H H H Master mode: I2S : L/H 24VBSubstrate Power Supply, +5V Q351 : AK5351 16 Q701 : MB90573 Q706 : LC89170M No.PortI/ONameActiveFunction 1P31/RDXOUT-Not Being Used (Low Level Output) 2P32/WRLXOUT-Not Being Used (Low Level Output) 3P3

26、3/WRHXOUT-Not Being Used (Low Level Output) 4P34/HRQOUT-Not Being Used (Low Level Output) 5P35/HAKXOUT-Not Being Used (Low Level Output) 6P36/RDYOUT-Not Being Used (Low Level Output) 7P37/CLKOUT-Not Being Used (Low Level Output) 8VCC-VCC +5VBAC 9P40/SIN0INM_RXD/TTXDHMD-Unit UART Received Data 10P41/

27、SOT0OUTM_TXD/TRXDHMD-Unit UART Received Data 11P42/SCK0INTCKHSerial (Write) 12P43/SIN1IN/OUTTXT_SIHCD TEXT DATA 13P44/SOT1OUTDA_SO-DAC SIO Transferred Data 14P45/SCK1OUTDA_CLKHDAC SIO CLOCK 15P46/PPG0OUTFL_STBLFL DRIVER STB Siganal 16P47/PPG1OUT_RST_FLLFL DRIVER RESET 17P50/SIN2INTXT_SIHCD TEXT DATA

28、 18P51/SOT2-Not Being Used 19P52/SCK2OUTTXT_CLKHCD TEXT CLOCK 20P53/SIN3OUTDAI_SIHDAI SIO Received Data 21P54/SOT3INDAI_SOHDAI SIO Transferred Data 22P55/SCK3OUTDAI_CLKHDAI SIO CLOCK 23P56/IN0INTRC_INHRemote Control Input 24P57/IN1OUT-Not Being Used 25P60/SIN4OUT-Not Being Used 26P61/SOT4OUTFL_SOHFL

29、 DRIVER (Write) 27P62/SCK4OUTFL_CLKHFL DRIVER CLOCK 28P63/CKOTOUT-Not Being Used (Low Level Output) 29P64/OUT1OUT-Not Being Used (Low Level Output) 30P65/0UT0OUT-Not Being Used (Low Level Output) 31P66/OUT2OUT-Not Being Used (Low Level Output) 32P67/OUT3OUT-Not Being Used (Low Level Output) 33Vss-GN

30、D 34COUT-Not Being Used (Low Level Output) 35P70OUT-Not Being Used (Low Level Output) 36P71OUT-Not Being Used (Low Level Output) 37P72OUT-Not Being Used (Low Level Output) 38DVCC-VCC +5VSTB 39DVSS-GND 40P73/DA0OUT-Not Being Used (Low Level Output) 41P74/DA1OUT-Not Being Used (Low Level Output) 42AVC

31、C-VCC +5VSTB 43AVRH-VCC +5VSTB 44AVRL-GND 45AVSS-GND 46P80/AN0INKEY_0-KEY ASSIGN 1 47P81/AN1INKEY_1-KEY ASSIGN 2 48P82/AN2INKEY_2-KEY ASSIGN 3 49P83/AN3INKEY_3-KEY ASSIGN 4 50P84/AN4INKEY_4-KEY ASSIGN 5 51P85/AN5OUT-Not Being Used (Low Level Output) 52P86/AN6OUT-Not Being Used (Low Level Output) 53P

32、87/AN7OUT-Not Being Used (Low Level Output) 54Vcc-VCC +5VSTB 55P90/CS0OUT-Not Being Used (Low Level Output) 56P91/CS1OUT-Not Being Used (Low Level Output) 57P92/CS2OUT-Not Being Used (Low Level Output) 58P93/CS3OUTTP1 - Test Pin1 59P94/CS4OUTTP2-Test Pin2 60P95/CS5OUTTP3-Test Pin3 No.PortI/ONameActi

33、veFunction 61P96/CS6OUT-Not Being Used (Low Level Output) 62P97/CS7OUT-Not Being Used (Low Level Output) 63Vss-GND 64PA0/AIN0/IINENC_OHJOG Rotation Detector 65PA1/BIN0INENC_1HJOG Rotation Detector 66PA2/ZIN0IN-Not Being Used 67PA3/AIN1/IINT/INPLUG_IN_OUTH/LPower Down Detector/ AC Power On 68PA4/BIN1

34、OUT-Not Being U sed (Low Level Output) 69PA5/ZIN1OUT-Not Being Used (Lo w Level Output) 70PA6/SDAOUT-Not Being U sed (Low Level Output) 71PA7/SCLOUT-Not Being U sed (Low Level Output) 72PB0/IRQ0OUT-Not Being U sed (Low Level Output) 73X1A - X1A-SUB CLOCK 32.768KHz 74X0A-X0A-SUB CLOCK 32.768KHz 75PB1

35、/IRQ1OUT-Not Being U sed 76PB2/IRQ2OUT_TXT_DQSYHTEXT Read-Enable Singal 77PB3/IRQ3OUT-Not Being U sed (Low Level Output) 78PB4/IRQ4OUTDAI_DQSYHDAI Read-Enable Singal 79PB5/IRQ5OUT-Not Being U sed (Low Level Output) 80PB6/ADTGOUT-Not Being U sed (Low Level Output) 81PB7OUT_RST_DAI_TXTLDAI TEXT RESET

36、82PC0OUTDAI_LELDAI Data Latch 83PC1INSHORT_DET1HShor t-Circuit Detector(+5VD ) 84PC2INSHORT_DET0HShor t-Circuit Detector(+-12V) 85PC3INOVER_SEALOver Sea Model Setting 86HSTXIN-Serial (Write) 87MD2INTMODE-Serial (Write) 88MD1IN-Serial (Write) 89MD0INTAUX3-Serial (Write) 90RSTXIN_RESETULSYSTEM RESET 9

37、1VSS-GND 92X0-X0-SYSTEM CLOCK 8.0MHz 93X1-X1-SYSTEM CLOCK 8.0MHz 94VCC-VCC +5VBAC 95P00/AD00OUTTAUX-Serial (Write) 96P01/AD01OUT-Not Being U sed (Low Level Output) 97P02/AD02OUT-Not Being U sed (Low Level Output) 98P03/AD03OUT-Not Being U sed (Low Level Output) 99P04/AD04OUT-Not Being U sed (Low Lev

38、el Output) 100P05/AD05OUT-Not Being U sed (Low Level Output) 101P06/AD06OUT_RST_ADLA/D,D/A RESET 102P07/AD07OUTDA_LEHD/A DATA LATCH 103P10/AD08OUT-Not Being U sed (Low Level Output) 104P11/AD09OUT-Not Being U sed (Low Level Output) 105P12/AD10OUT-Not Being U sed (Low Level Output) 106P13/AD11OUT-Not

39、 Being U sed (Low Level Output) 107P14/AD12OUT-Not Being U sed (Low Level Output) 108P15/AD13OUT_MUTE_SYSLSYS OUT MUTE 109P16/AD14OUTPOWER_ONNeighbor ing Circuit P ower On 110P17/AD15OUTHNot Being U sed (Low Level Output) 111P20/A16INM_DA_RSTHDAC Reset 112P21/A17INAMUTEHMD_Unit Line M ute 113P22/A18

40、OUTM_SYS_RSTHMD-Unit up Res et 114P23/A19INM_STBHMD-Unit Power Supply Strobed Singnal 115P24/A20INLEDOHNot Being U sed 116P25/A21OUT_M_P_DOWNLMD-Unit(Power Down) 117P26/A21OUT_M_RTSLMD-Unit Request to Send 118P27/A23IN_M_CTSLMD-Unit Clear to Send 119VSS-GND 120P30/ALEIN_EMPHLMD-Unit EMPHASIS Signal

41、to D AC 11SCLK EXCK1 SCOR WFCK MCK XMODE SW1 SW2 3 4 5 6 9 10 SRDT DQSY CPU interface CRC checker 32word X 8bit dualport RAM Timing 1. KOA Corporation Part No. (MJI) Type No. (KOA)Description NH05 140RF25S J(5% 1/4W) NH05 120RF50S J(5% 1/2W) NH85 110RF73B2A J(5% 1/10W) NH95 140RF73B2E J(5% 1/4W) 2.

42、Matsushita Electronic Components Co., Ltd Part No. (MJI) Type No. (MEC)Description NF05 140ERD-2FCJ (5% 1/4W) RF05 140 NF02 140ERD-2FCG (2% 1/4W) RF02 140 Examples ; Resistance value 0.1 . 00110 . 1001 k .102 100 k. 104 0.5 . 00518 . 1802.7 k .272 680 k. 684 1 . 010100 . 10110 k .1031 M. 105 6.8 . 068390 . 39122 k .223 4.7 M. 475 ASSI