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
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