Marantz-CD85-cd-sm 电路图 维修手册.pdf

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1、 Compact disc player CD85/NB/TB fWD fWD Service Remote control is available under codenumber: 4822 218 20797 ervice Manual CHAPTER CONTENT$ Contents Operation Technica! data 2 Demounting Exploded view 3 Block diagram Servicing hints 4 Measurements and adjustments 5 Circuit diagram Drawing of PCB Wir

2、ing diagram 6 Electrical partslist Symbol explanation Safety regulations require that the set be restored to its original condition and that parts which are identical with those specified be used. illffl DIGITAL AUDIO CLASS 1 LASER PRODUCT 312211003-20 Docu mentationTechnique Service Dokumentation D

3、ocumentazione di Servizio Huolte-Ohje Manual de Servicio Manual de Serviio Subject to modification 4822 725 22306 Printed in The Netherlands 10 Copyright reserved Publlshed by Servtee Consumer Etectronlcs es 20 038 RadioFans.CN 收音机爱 好者资料库 MARANTZ DESIGN AND SERVICE Using superior design and selected

4、 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 famous. MARANTZ INTERNATIONAL Vestdijk 9 5600 MD Eindhoven The Netherlands Phone: +31/40.7

5、58290 Telefax: +31/40.75.82.99 Parts for your MARANTZ equipment are generally available to our National Marantz Subsidiary or Agent. Telex: 35000 PHTC NL routing IND NLMTFAT ORDERING PARTS: Parts can be ordered either by mail or by telex. In both cases, correct part number has to be specified. The f

6、ollowing 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 telex must be signed otherw

7、ise such part order will be considered as null and void. PARTS ORDERING Parts may be ordered at the lollowing addresses: AUSTRIA FINLAND HORNYPHON MARANTZ Vertriebsgesellschalt GmbH DIVISION OF OY PHILIPS Ab Wienerbergstrasse 1 Kaivokatu 8 A 1101 Wien 001 00 Helsinki Austria Finland Telex: 132.332 T

8、elex: 124811 BELGIUM SVD DIVISION MARANTZ lndustrialaan 1 1720 Groot-Bijgaarden Belgium Telex: 24466 CHILE MARANTZ DIVISION OF PHILIPS S.A. AV. Santa Maria, 0760 Casilla 2687 Santiago Telex: 240.239 DENMARK MARANTZ DIVISION OF PHILIPS SERVICE A/S Prags Boulevard 80 Postbox 1919 DK-2300 K0benhavn S D

9、enmark Telex: 31201 FRANCE MARANTZ FRANCE 4 Rue Bernard Palissy 92600 Asnires France Telex: 611651 GERMANY MARANTZ GERMANY GmbH Max-Planck-Strasse 22 6072 Dreieich 1 Germany Telex: 529821 THE NETHERLANDS Elpro Marantz Wint Hontlaan 28 3526 KV Utrecht The Netherlands Telex: 4748 NORWAY MARANTZ DIVISI

10、ON OF PHILIPS A/S Sandstuveien 40 0680 Oslo 6 Norway Telex: 72640 GREAT BRITAIN MARANTZ AUDIO U.K. Ud Unit 15/16 Saxon Way lndustrial Estate Moor Lane Harmondsworth UB7 OLW Great Britain Telex: 935196 GREECE SHERTON ELECTRONICS S.A. P.O.Box 21025 Hippocratus Street 188 Athens 11471 Greece Telex: 216

11、.795 JAPAN MARANTZ JAPAN, Ine. 35-1, 7 -chome, Sagamiono Sagamihara-shi, Kanagawa Japan KUWAIT AL ALAMIAH ELECTRONICS Ussama Building Fahd al Saleem Street P.0.Box 23781 Salat-Kuwait Telex: 22694 ITALY MARANTZ ITALIANA S.P.A. Via Chiese, 74 20126 Milano ltaly SAUDI ARABIA AL ALAMIAH ELECTRONICS P.0.

12、Box 5954 University Street Riyadh 11432 Saudi Arabia Telex: 401530 SOUTH AFRICA MARANTZ DIVISION OF PHILIPS S.A. Main Road Martindale P.O. Box. 58088 Newville 21114 South Alrica SPAIN PHONOS.A. lgnacio lglesias 1 0 Badalona (Barcelona) Spain Telex: 59355 SWEDEN MARANTZ DIVISION OF PHILIPS Frsljning

13、AB Tegeluddsvgen 1 S-115 84 Stockholm Sweden Telex: 14060 SWITZERLAND DYNAVOX ELECTRONICS Route de Villars 1 05 1701 Fribourg Switzerland Telex: 942377 TURKEY DOGRUOL Ltd. I.M.C. 6 Blok N6310 Unkapani lstanbul Turkey Telex: 22085 MALTA CACHIA i.o.:.f=lDl=c- -=-T( _ _j_(Gj)J,lJ._J - 1 -.J OIGITAL OUT

14、-_J 22 23 24 25 26 FRONT OF PLAYER (Fig. 1) 1 Disc tray on which the OPEN button is situated; the tray closes when the front is pressed briefly. 2 DISPLAY - lnforms you about the functioning of the player. - Displays details from the disc contents list. 3 SEARCH Fast search for a particular passage

15、( backwards; forwards). yYhen used in conjunction with FAST, the search speed is mcreased and the sound switched off. 4 PAUSE For interrupting play. 5 STOP/CM - Stopping play (STOP) - Erasing a program (CM = Clear Memory). es 20 041 27 28 44 319 A11 6 PLAY/REPLAY - Starting play (PLAY) - Returning t

16、o the beginning of a track (REPLAY). The blue light at the right-hand side of the player acts as PLAY indication. 7 Kt - Selecting another track during play. - Selecting a track to start play with. - Selecting tracks when programming. (Kt !rom low to high). 8 POWER For switching the player on and of

17、f. 9 LEVEL Adjusting the volume when listening with headphones. 10 PHONES Connecting headphones. 0 -./ 1-3 11 PLAY MODE SWITCH REMOTE CONTROL This switch has three positions: NORM, COPY and AUTO. - 12 SHUFFLE Most of the controls also appear on the remote control handset. Playing in a random order.

18、The functions below can only be operated using the remote control handset . -./ 13 TIME 1-0 digit buttons Selecting the time information you want to see: Direct entry of data when: - REM TIME: The remaining playing time of a track - Selecting another track or index number during play. (REM= remainin

19、g) - Selecting a track/index number or time position to start play - TTL REM TIME: The total remaining playing time. with. - LAP TIME: The elapsed playing time of a track (LAP= - Selecting track/index numbers or time positions when elapsed). programming. 14 REPEAT INDEX Repeating a disc or program.

20、- Selecting another index number during play. The REP button on the remote control handset has the - Selecting an index number to start play with. same function. - Selecting index numbers when programming. 15 AB Storing the start and stop points of a passage to be SELECT repeated. Selecting the SELE

21、CT position. Using the 1-0 digit buttons data 16 AMS can be entered when: Automatically playing the beginning of each track (AMS = - Selecting another track-or index number during play. Automatic Mllsic Scan). - Selecting a track-or index number or time position to start 17 FTS play with. - Selectin

22、g track-or Index numbers or time positions during Activating the Favourite Track Selection circuit (FTS= programming. Favourite Track Selection). 18 REMOTE SENSOR THE INFORMATION ON THE DISPLAY Receives the signals from the remote control handset. Each Compact Disc has, along with the music, a list

23、of contents 19 MEMO detailing the numbers of the tracks, the playing time of each Storing details when compiling a program. track and the total playlng time of the disc. The player always The M button on the remote control handset has the scans thls first and stores it In its memory in order, for in

24、stance, same function. to provide information via the display. 20 CANCEL DISC - Cancelling mistakes when compiling a program. - Flashes when you switch the player on. - Deleting an item from_a program. - Flashes when the tabla of contents of a disc is being traced. - Erasing favourite track selectio

25、ns. The C button on the remote control handset has the same ERROR Lights up if you make a mistake when operating the -./ function. player. e 21 RECALL DISC and ERROR Reviewing and checking a program. Both light up if you try to start play while the disc is loaded upside down, is not Joaded at all or

26、 is damaged. -./ REAR OF PLA VER (Fig. 2) SHUFFLE Lights up when the tracks on the disc or in a program are All connectlons to the rear panel should be made wlth the played in a random order. power to the entire system switched off. RECALL - To avoid cross-connection of channels, connect one plug at

27、 Lights up when you review a program. a time. REPEAT 22 SYSTEM REMOTE CONTROL IN/OUT Lights up when a disc or program is repeated. - For an external slgnal receiver tor the remote control. FTS - For the remote control system of a HIFI system. - f:lashes after FTS has been pressed. 23 ELECTRICAL - Fl

28、ashes after loading a disc which has an FTS program. For digital signal processing or future applfcations such - Lights up when a program from the FTS memory of the player as CD-I. is played. This output supplies a digital signal and can therefore AMS only be connected to an input which is sultable

29、for this Lights up during scanning when the beginning of each track is signal. Use here a lead wlth one cinch plug on either end. played. Important: Never connect thls socket to a non-digital AB input of an amplifier. such as AUX, CD, TAPE, PHONO, - Lights up whenever a passage is repeated. etc. Thi

30、s can damage the amplifier and the loudspeakers. - Flashes until the stop point is set. 24 AUDIO OUT L/R TRACK and INDEX Using the lead provided, connect these sockets to the CD lndicate the track and the index number being played. The or AUX input of the (pre)amplifier. lf this is already in use, n

31、umbers above INDEX only change if the parts of a track have you can also use the TUNER or TAPE IN output. Under index numbers. no circumstances should you use the PHONO input!. MIN and SEC Note that L or white corresponds to the left channel and R or red to the right channel. lndicate: - The remaini

32、ng playing time of a track (REM TIME) 25 DIGITAL OUT ON/OFF - The total remaining playing time (TIL REM TIME). For swltchlng off the DIGITAL OUT outputs (ELECTRICAL - The elapsed playing time of a track (LAP TIME). and OPTICAL) in case they disturb the signal trom the 1-24 track number indicator ana

33、log outputs. Lights up when the table of contents of the disc has been 26 OPTICAL traced. As many of these numbers as there are tracks on the This output supplies a digital signal via an optica path; disc remain alight. Each time a track has been played, the tor this reason it can only be connected

34、to a Oigital corresponding number goes out on the track number indicator. Analog Converter, an amplifier with an optica! digital input When starting play trom a particular point, during programming or a digital sound processor. For this use the optical lead or scanning, the track number indicator in

35、dicates the number provided. selected. To prevent dirt entering this output, it is covered with a little cap which should only be removed when the output - is in use. Important: Ensure that there are no twists in the optical lead because this will hinder the conduction of l!ght. -./ 27 VOLTAGE SELEC

36、TOR 28 MAINS FUSE HOLDER es 20 042 1-4 TECHNICAL DATA Frequency range Amplitude linearity Phase linearity Dynamic range Signal-to-noise ratio Total harmonie distortion Wow and flutter D/A conversion Outputs : 20-20000 Hz : 0.01 dB (20-20000 Hz) : 0.2 (20-20000 Hz) : 96 dB (20-20000 Hz) : 103dB(1 kHz

37、) : . 4 _: - -239 241 242 -/;J,.,: :;,-,:. EVA.00668 827/f19 0 2-3 C 523 es 20 046 3-1 BLOCK DIAGRAM cM-, 1 SE_R_V_O _ +_H_F-A-M-PLI-FI-ER-C-IR_C_UT-EC-E-R-1-RC_U_IT- 1 l.,I 1 1 1 i ! ! :-I 1 1 1 o,o ooo, ao= 0 0 -1 PROCESSOR :=-, ! HFD . 1 1 1 LOOPFILTER 1 CD MECHANISM 1 1 FOCUS 1 asc 1 1 C ? CQ, 1

38、 k:._: IREF CHARGE t._ PD-OC 1 1 1 LfQUS MOTOR , 0 1 FE I OOD5 1 f1 1 FOCUS DRlVE I FElllg 1 we-1-I, -l,1-1-1e-l1iiiJ 1-j U . il : MOTOR RADIAL MOTOR jRADIAI. DRIVE ,-, 1 1 1 -c,r TURNTASLE 7 1 MC 1 1 1:0, 1 J ! SUPPLY CICUIT - :7 i CONTR_O_L-N-ISP_LA_Y_1-RC_U_IT -, 1 1 1 8 i 1 , , 1 ! -, -i i - !:l

39、: i , W/7/. 1 l 8L.-19 1 ,-, 1 1 VOLTAGE L i :=: 1 -1 0 0 7, -m 51.JlPLY , _ FlU. -t,_ +19 1 +10 -, SUPPLY 0 . - L-10 s=CH t,_ -16 .,_., iii t OMM DA1-DA4 OSCOOO OSA QO, cc, SWf MC SSM QSA QO, 1 77777 .-DAAB :% MUTIS - s MUTIS ca. - SWAB/SSM L i5 ili1 KILL I I RECEIVER -:=.J L.:l_ I_ l_ _ _ B0-B3 DA

40、G DOOS D1+4 FE FE lag HF HFD HF-in LM LO MC RE es 20 047 Control bits lor radial circuit Current output tor track jumping (Digital to Analogue Converted) Drop out detector suppression Photodiode currents Focus error signal Focus error signa! for LAG network HF output tor DEMOD HF detector output for

41、 DEMOD HF current input Laser monitor diode input Laser amplifier current output Motor control signa! Radial error signal (Amplified RE2-RE1 currents) RE1 RE2 RE dig RE lag RD RPU Si TL Vc SYSTEM REMOTE CONTROL Radial error signal 1 (summation of amplified currents D3 and D4 Radial error signal 2 (s

42、ummation of amplified currents D1 and D2 Radial error digital = RP Radial error signal lor LAG network Ready signal, Starting up procedure finished, Radial puls alter track jumping On/off control tor laser supply and focus circuit Track loss signa! Control voltage tor turntable motor - XSYS DIGfTAL

43、FILTER A12-A15 A8-A15 MASTER P SLAVE P DUAL DAC COROM SWITCH ,o, ,o, r-, + DIGITAL our r-, KEADPHONE 1 AMfLIFIER 1 _ .J - CONTROL PROTECTION CIRCUIT RESET l-r-7rL_-.,.l _, MOTOR f- KlU Kll.L fROM POWEfl SUPPLY - filCffi- IH C-OU S-OU C-OU- 1 f-+ SOUau -.JJ, 1 SERVICE POSmON O S-2 ( SEARCH ) f SEARCH

44、 ARM FRICTION FLEX FOIL SEE MANUAL ,. . 6118 6119 RADIAL MOTOR CHECK-OF B-3 SERVICE POSmON 1 THE PHOTODIOOES 1-.:.;:_a Y - TRACK M :m?i,.- o-, 0005 HFD/PLLH Q 00. 00, ,.,. TRACK M TRACK M D-2 0-3 ., rus EFAB 6385 - cuao 0,SQ WSBD Msi KILL ORCUIT DC PROTECTION RELAY 1305 6110 6111 iss. )l0RWJ. _ 1 TI

45、JRNTABLE MOTOR SERVICE POSITION 1 SERVICE POSITJON 2 =CK M TRACK M PLAY -J.- fou:owtNC! HIGH ii: X-TAL MC 0-5 D-6 1 1 DES DISTORSION DEEM ro1s ro19 ro22 0-3 , 6112 oosc, oosc, REDIG a,o- SEE SPEOFICATION MEASUREMENT IN SERVICE MANUAL 1 TSi ,_, ERROR INOICATION INDJCATION SEE ERROR TABLE tN SERV!CE .

46、W.UAL 1 Y( 1 . RELAY 1306 SEE ERROR TABLE IN SERVICE MANUAL MOA.01691 T-20 848 1 9iBM: 1 DOOM A1 11P-SIGNALS oo= o, X-TAL STAND BY OPEN/CLOSE oPENCLOSE Mis OISC,SEARCH Mini SEARCH PAUSE, .,. RP/4 PLAY NEXT OR PREVIOUS SELECT A2 AELAY CONTROL - 00-RB.AYS POWER ON 00-RELAYS POWER OFF B2 80 81 82 83 SIGNALS - SERVICE POSITION O OR 1: SEAACH ., SERVICE POSIT10N O OR 1: SEAACH SEFMCE P0$1TJON O OR 1; SEAACH SERVlCE POSITION O OR 1; seAACH SERVICE P051TION O OR 1; SeAACH SERVICE POSITlON O OR 1; SeAACH SERVICE POSmoN O OR 1: SeAACH SERVICE POSffiON O OR 1; +18V - RELAY CONTROL OV -15V _1 _