Marantz-CD7-cd-sm维修电路原理图.pdf

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1、model CD-7 4822 725 51186 First Issue 1999.03 355K855010 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。 Compact disc player 74 CD7 /02G CD-7 FN KGL TABLE OF CONTENTS SECTIONPAGE 1.TECHNICAL SPECIF

2、ICATIONS .1 2.SERVICING HINTS .2 3.SERVICINE TOOLS .2 4.SERVICE MODE .3 5.MICROPROCESSOR AND IC DATA .4 6.WIRING DIAGRAM .7 7.BLOCK DIAGRAM .9 8.FLAG NO. 10 9.SCHEMATIC DIAGRAM AND PARTS LOCATIONS . 11 10.EXPLODED VIEW AND MECHANISM PARTS LIST. 27 11.TRAY MECHANISM ADJUSTMENTS. 33 12.BALANCED JACKS

3、. 37 13.DIGITAL FILTER . 38 14.EXPLANATION OF DSP . 39 15.ELECTRICAL PARTS LIST . 41 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

4、 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 Subsidiary or Agent. ORDERING PARTS : Parts can be ordered either by mail or by Fax. In both cases, the correct part number has to

5、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. Description of parts 4. Model number for which part is required 5. Way of shipment 6. Signature : any order form or Fax. mus

6、t 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: 630 - 307 - 2687 LENBROOK INDUSTRIES LIMITED 633 GRANITE COURT, PICKERING, ONTARIO L1W 3K1 CANADA PHONE : 905 - 831 - 6333 FAX:

7、 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 TECHNOLOGIES, INC. MARANTZ PROFESSIONAL PRODUCTS 2640 WHITE OAK CIRCLE, SUITE A AURORA, ILLINOIS 60504 USA PHONE : 630 - 820 - 4800 FAX:

8、 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 BLDG., 247-17 SEOKYO-DONG MAPO-KU, SEOUL KOREA PHONE : +82 - 2 - 323 - 2155 FAX: +82 - 2 - 323 - 2154 MARANTZ BRAZIL CAIXA POSTA

9、L 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. PHONE : +886 (2) 5221304 FAX: +886 (2) 5630415 MRZ STANDARD CO., LTD. 746 - 754 MAHACHAI RD., WANGBURAPAPIROM, PHRANAKORN, BANGK

10、OK, 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 SELANGOR DARUL EHSAN, MALAYSIA PHONE : +60 3 - 7184666 FAX: +60 3 - 7173828 MARANTZ JAPAN, INC. 35- I , 7- CHOME, SAGAMIONO SAGAMIH

11、ARA - SHI, KANAGAWA JAPAN 228-8505 PHONE : +81 42 748 1013 FAX: +81 42 748 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 MARKETING (S) PTE. LTD. 23, LORONG 8, TOA PAYOH, SINGAPORE 319257. PHONE : +65 2583640 FAX: +65 3564047 SHOCK, FIRE HAZARD SERV

12、ICE 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 chassis bottom. Any re

13、sistance 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. USACANADAEUROPE / TRADING USACANADA BRAZIL (Discagem Direta Gratuita) TAIWAN THAILAND MALAYSIA In case

14、of difficulties, do not hesitate to contact the Technical Department at above mentioned address. JAPAN TechnicalSINGAPORE 981110MIT SCAN AUDIO PTY. LTD. 52 CROWN STREET, RICHMOND 3121 VICTORIA AUSTRALIA PHONE : +61 - 3 - 9429 - 2199 FAX: +61 - 3 - 9429 - 9309 AUSTRALIA / NEW ZEALAND KOREA RadioFans.

15、CN 收音机爱 好者资料库 1 1. TECHNICAL SPECIFICATIONS 特性特性特性特性特性 . 2 周波数特性 . 2Hz20,000Hz, +0 -1.2dB . 98dB 以上 S/N 比 . 102dB . 100dB (1kHz) 高調波歪率 . 0.002% (1kHz) . 水晶精度 誤訂正方式 . (C IRC ) 音声出力 . 2.2V RM S . 3.8V RM S 出力 . 0.5V p-p/75 光出力(角型光) . -19dB m 入力 . 0.5V p-p/75 光出力(角型光) . -19dB m 光学読取方式光学読取方式光学読取方式光学読取方式

16、光学読取方式 . A lGaA s 半導体 波長 . 780nm 信号方式信号方式信号方式信号方式信号方式 周波数(C D ) . 44.1kHz (D /A ) . 32/44.1/48kHz 量子化 . 16 / 電源部電源部電源部電源部電源部 電源 . A C 100V 50/60Hz 消費電力 (電気用品取締法) . 25W 他他他他他 最大外形寸法 (幅高奥行) . 454139344mm 質量 . 16.6kg 許容動作温度 . +5 +35 許容動作湿度 . 5%90% (結露) 付属品付属品付属品付属品付属品 送信機 (RC -7C D ) . 1 外形寸法（幅高奥行) . 4

17、417.5239mm 質量(電池) . 175g 単四電池(SUM -4) . 2個 RC A . 1組 電源 . 1本 Audio Characteristics Channels .2 channels Sampling frequency (CD mode) . 44.1 kHz Sampling frequency (D/A mode) . 32/44.1/48 kHz Quantization . 16-bit linear/channel Error correction .Cross-interleave read solomon code (CIRC) D/A conversi

18、on . 1-bit linear/channel Wow this pin should be tied LOW 21CRINcrystal/resonator input 22CROUTcrystal/resonator output 23TEST2test control input 2; this pin should be tied LOW 24CL1616.9344 MHz system clock output 25CL1111.2896 or 5.6448 MHz clock output (3-state) 26RAradial actuator output 27FOfoc

19、us actuator output 28SLsledge control output 29TEST3test control input 3; this pin should be tied LOW 30VDDD1(P)* digital supply voltage 1 for periphery 31DOBMbi-phase mark output (externally buffered; 3-state) 32VSSD1* digital ground 1 33MOTO1motor output 1; versatile (3-state) 34MOTO2motor output

20、2; versatile (3-state) 35SBSYsubcode block sync output (3-state) 36SFSYsubcode frame sync output (3-state) 37RCKsubcode clock input 38SUBP-to-W subcode output bits (3-state) 39VSSD2* digital ground 2 40V5versatile output pin 5 41V4versatile output pin 4 42V3versatile output pin 3 (open-drain) 43KILL

21、kill output (programmable; open-drain) 44EFC2 error flag; output only defined in CD ROM modes and 1fs modes (3-state) 45DATAserial data output (3-state) 46WCLKword clock output (3-state) 47VDDD2(P)* digital supply voltage 2 for periphery 48SCLKserial bit clock output (3-state) 49VSSD3* digital groun

22、d 3 50CL44.2336 MHz microcontroller clock output 51SDAmicrocontroller interface data I/O line (open-drain output) 52SCLmicrocontroller interface clock line input 53RABmicrocontroller interface R/W and load control line input (4-wire bus mode) 54SILDmicrocontroller interface R/W and load control line

23、 input (4-wire-bus mode) 55n.c.not connected 56VSSD4* digital ground 4 57RESETpower-on reset input (active LOW) 58STATUSservo interrupt request line/decoder status register output (open-drain) 59VDDD3(C)* digital supply voltage 3 for core 60C2FAILindication of correction failure output (open-drain)

24、61CFLGcorrection flag output (open-drain) 62V1versatile input pin 1 63V2versatile input pin 2 64LDONlaser drive on output (open-drain) PINSYMBOLDESCRIPTION Note : All supply pins must be connected to the same external power supply voltage. Q102 : SAA7372GP 5. MICROPROCESSOR AND IC DATA 1O4output of

25、diode current amplifier 4 2O6output of diode current amplifier 6 3O3output of diode current amplifier 3 4O1output of diode current amplifier 1 5O5output of diode current amplifier 5 6O2output of diode current amplifier 2 7LDONcontrol pin for switching the laser ON and OFF 8VDDLlaser supply voltage 9

26、RFEequalized output voltage of sum signal of amplifiers 1 to 4 10RFunequalized output 11HGcontrol pin for gain switch 12LScontrol pin for speed switch 13CLexternal capacitor 14ADJreference input normally connected to ground via a resistor 15GND0 V supply; substrate connection (ground) 16LOcurrent ou

27、tput to the laser diode 17MIlaser monitor diode input 18VDDamplifier supply voltage 19I2photo detector input 2 (central) 20I5photo detector input 5 (satellite) 21I1photo detector input 1 (central) 22I3photo detector input 3 (central) 23I6photo detector input 6 (satellite) 24I4photo detector input 4

28、(central) PINSYMBOLDESCRIPTION 7000 : TDA1302T RadioFans.CN 收音机爱 好者资料库 56 QF01 : : : : : PD78076 MAIN SYMBOLPINPADCELLDESCRIPTION RCfil1E029PLL loop filter input Vref2E029decoupling internal reference voltage output VDDA3E008analog supply voltage VSSA4E004analog ground IECIN15E007high sensitivity IE

29、C input IECIN06IPP04TTL level IEC input IECSEL7IUP04select IEC input 0 or 1 (0 = IECIN0; 1 = IECIN1); this input has an internal pull-up resistor IECO8OPFH3digital audio output for optical and transformer link IECOEN9IUP04digital audio output enable (0 = enabled; 1 = disabled/3-state); this input ha

30、s an internal pull-up resistor TESTB10IPP04enable factory test input (0 = normal application; 1 = scan mode) TESTC11IPP04enable factory test input (0 = normal application; 1 = observation outputs) UNLOCK12OPP41APLL out-of-lock (0 = not locked; 1 = locked); this output can drive an LED FS3213OPP41Ain

31、dicates sample frequency = 32 kHz (active LOW); this output can drive an LED FS4414OPP41Aindicates sample frequency = 44.1 kHz (active LOW); this output can drive an LED FS4815OPP41Aindicates sample frequency = 48 kHz (active LOW); this output can drive an LED CHMODE16OPP41Ause of channel status blo

32、ck (0 = professional use; 1 = consumer use); this output can drive an LED VDDD217E008digital supply voltage 2 VSSD218E009digital ground 2 RESET19IDP09initialization after power-on, requires only an external capacitor connected to VDDD; this is a Schmitt-trigger input with an internal pull-down resis

33、tor PD20IPP04enable power-down input in the standby mode (0 = normal application; 1 = standby mode) CTRLMODE21IUP04select microcontroller/stand-alone mode (0 = microcontroller; 1 = stand-alone); this input has an internal pull-up resistor LADDR22IPP04microcontroller interface address switch input (0

34、 = 000001; 1 = 000010) LMODE23IPP09microcontroller interface mode line input LCLK24IPP09microcontroller interface clock line input LDATA25IOF24microcontroller interface data line input/output STROBE26IDP04strobe for control register (active HIGH); this input has an internal pull-down resistor UDAVAI

35、L27OPF23synchronization for output user data (0 = data available; 1 = no data) TESTA28IPP04enable factory (scan) test input (0 = normal application; 1 = test clock enable) COPY29OPP41Acopyright status bit (0 = copyright asserted; 1 = no copyright asserted); this output can drive an LED INVALID30IOD2

36、4validity of audio sample input/output (0 = valid sample; 1 = invalid sample); this pin has an internal pull-down resistor DEEM31OPF23pre-emphasis output bit (0 = no pre-emphasis; 1 = pre-emphasis) MUTE32IUP04audio mute input (0 = permanent mute; 1 = mute on receive error); this pin has an internal

37、pull-up resistor I2SSEL33IUP04select auxiliary input or normal input in transmit mode SDAUX34IPP04auxiliary serial data input; I2S-bus SD35IOF24serial audio data input/output; I2S-bus WS36IOF24word select input/output; I2S-bus SCK37IOF29serial audio clock input/output; I2S-bus I2SOEN38IUP04serial au

38、dio output enable (0 = enabled; 1 = disabled/3-state); this input has an internal pull-up resistor SYSCLKI39IPP09system clock input (transmit mode) SYSCLKO40OPFA3system clock output (receive mode) VSSD141E009digital ground 1 VDDD142E008digital supply voltage 1 CLKSEL43IUP04select system clock (0 = 3

39、84fs; 1 = 256fs); this input has an internal pull-up resistor RCint44E029integrating capacitor output Q507/Q509 : DSP56004 QD03/QD53 : TDA1541A/S2 Q304 : TDA1315H Pin No. Port Name Function In/Out ActiveTo/FromDescription 1STRBP120OutHighQ304Strobe signal for control resister for Q304(TDA1315H) 2LMO

40、DP121OutLowQ304Interface mode line for Q304(TDA1315H) 3OPENP122- 4GNDP123GNDGND 5FS32P124InLowQ304Sampling frequency input (L = 32KHz Receiving) 6FS48P125InLowQ304Sampling frequency input (L = 48KHz Receiving) 7COAX/OPTP126OutLowQ304Digital input select signal (L = Optical , H = Coaxal) 8DMUTP127OutLowQ304Digital muting control signal for Q304(TDA1315H) 9GNDICGNDGND 105MHzXTALX2XF01Clock out (5MHz) 115MHzXTALX1XF01Clock in (5MHz) 12+5VVdd+5VPower supply +5V 13OPENXT2- 14+5VXT1+5VPower supply +5V 15RESTRESETInLowQF02Reset signal input for QF02 1