sony_MDX-C8500X_service_manual 维修电路图.pdf

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1、SERVICE MANUAL Other specifications Disc player section MD player Signal-to-noise ratio90 dB Frequency response10 20,000 Hz Wow and flutterBelow measurable limit Laser Diode Properties MaterialGaAlAs Wavelength780 nm Emission DurationContinuous Laser output powerLess than 44.6 W* * This output is th

2、e value measured at a distance of 200 mm from the objective lens surface on the Optical Pick-up Block. Tuner section FM Tuning range87.5 107.9 MHz (MDX-C8500X) 87.5 108.0 MHz (MDX-C8500R) Antenna terminalExternal antenna connector Intermediate frequency10.7 MHz/450 kHz Usable sensitivity8 dBf Select

3、ivity75 dB at 400 kHz Signal-to-noise ratio66 dB (stereo), 72 dB (mono) Harmonic distortion at 1 kHz 0.6 % (stereo), 0.3 % (mono) Separation35 dB at 1 kHz Frequency response30 15,000 Hz AM (MDX-C8500X) Tuning range530 1,710 kHz Antenna terminalExternal antenna connector Intermediate frequency10.7 MH

4、z/450 kHz Sensitivity30 V Power amplifier section OutputsSpeaker outputs (sure seal connectors) Speaker impedance4 8 ohms Maximum power output 50 W 4 (at 4 ohms) AUDIO POWER SPECIFICATIONS (MDX-C8500X) POWER OUTPUT AND TOTAL HARMONIC DISTORTION 19 watts per channel minimum continuous average power i

5、nto 4ohms, 4 channels driven from 10 Hz to 20 kHz with no more than 1% total harmonic distortion. Model Name Using Similar MechanismNEW Base Mechanism TypeMG-164NV-138 Optical Pick-up NameKMS-241C/J1NP US Model MDX-C8500X AEP Model UK Model MDX-C8500R SPECIFICATIONS MDX-C8500R/C8500X Photo: MDX-C850

6、0X FM/AM(MW/LW) MINIDISC PLAYER Continued on next page (MDX-C8500R) Ver 1.1 2001.05 9-870-096-12Sony Corporation 2001E0500-1e Vehicle Company C 2001.5Shinagawa Tec Service Manual Production Group 收音机爱好者资料库 Ra d i o Fa n s .CN 2 1.SERVICING NOTES.3 2.GENERAL Location of Controls .4 Setting the Clock.

7、4 Installation.5 Connections.7 3.DISASSEMBLY. 11 4.ELECTRICAL ADJUSTMENTS Test Mode . 18 MD Section . 18 Tuner Section . 18 5.DIAGRAMS 5-1.Block Diagram SERVO Section . 19 5-2.Block Diagram TUNER Section . 20 5-3.Block Diagram MAIN Section . 21 5-4.Block Diagram DISPLAY/KEY CONTROL Section . 22 5-5.

8、Block Diagram BUS CONTROL/POWER SUPPLY Section . 23 5-6.Note for Printed Wiring Boards and Schematic Diagrams . 24 5-7.Printed Wiring Boards SERVO Board (Component Side)/ SENSOR Board . 26 5-8.Printed Wiring Board SERVO Board (Conductor Side) . 27 5-9.Schematic Diagram SERVO Board (1/2)/ SENSOR Boar

9、d. 28 5-10. Schematic Diagram SERVO Board (2/2) . 29 5-11. Printed Wiring Board MAIN Board (Component Side) . 30 5-12. Printed Wiring Board MAIN Board (Conductor Side) . 31 5-13. Schematic Diagram MAIN Board (1/4) . 32 5-14. Schematic Diagram MAIN Board (2/4) . 33 5-15. Schematic Diagram MAIN Board

10、(3/4) . 34 5-16. Schematic Diagram MAIN Board (4/4) . 35 5-17. Printed Wiring Board DSO Board . 36 5-18. Schematic Diagram DSO Board . 37 5-19. Printed Wiring Board SUB Board . 38 5-20. Schematic Diagram SUB Board . 39 5-21. Printed Wiring Board KEY Board . 40 5.22. Schematic Diagram KEY Board . 41

11、5-23. IC Pin Function Description . 47 6.EXPLODED VIEWS. 59 7.ELECTRICAL PARTS LIST. 63 TABLE OF CONTENTS General OutputsAudio outputs Power antenna relay control lead Power amplifier control lead Telephone ATT control lead Power requirements12 V DC car battery (negative ground) DimensionsApprox. 17

12、8 50 183 mm (7 1/8 2 7 1/8 in.) (w/h/d) Mounting dimensionsApprox. 182 53 162 mm (7 1/4 2 1/8 6 3/8 in.) (w/h/d) MassApprox. 1.2 kg (2 lb 10 oz) Supplied accessoriesCard remote commander RM-X91 (MDX-C8500X) Parts for installation and connections (1 set) Front panel case (1) U.S. and foreign patents

13、licensed from Dolby laboratories Licensing Corporation. Design and specifications are subject to change without notice. 收音机爱好者资料库 Ra d i o Fa n s .CN 3 SAFETY-RELATED COMPONENT WARNING! COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRI

14、TICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB- LISHED BY SONY. SECTION 1 SERVICING NOTES Model Identification There are three types of main board in according of destination for MDX-C8500R. MAIN BOARD (Compon

15、ent Side) Notes on chip component replacement Never reuse a disconnected chip component. Notice that the minus side of a tantalum capacitor may be dam- aged by heat. Flexible Circuit Board Repairing Keep the temperature of the soldering iron around 270 C dur- ing repairing. Do not touch the solderin

16、g iron on the same conductor of the circuit board (within 3 times). Be careful not to apply force on the conductor when soldering or unsoldering. NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK OR BASE UNIT CAUTION Use of controls or adjustments or performance of procedures other than those specified he

17、rein may result in hazardous ra- diation exposure. The laser diode in the optical pick-up block may suffer electro- static break-down because of the potential difference generated by the charged electrostatic load, etc. on clothing and the human body. During repair, pay attention to electrostatic br

18、eak-down and also use the procedure in the printed matter which is included in the repair parts. The flexible board is easily damaged and should be handled with care. NOTES ON LASER DIODE EMISSION CHECK Never look into the laser diode emission from right avove when checking it for adustment. It is f

19、eared that you will lose your sight. NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK (KMS-241C/J1NP) The laser diode in the optical pick-up block may suffer electro- static break-down easily. When handling it, perform soldering bridge to the laser-tap on the flexible board. Also perform m easures agains

20、t electrostatic break-down sufficiently before the operation. The flexible board is easily damaged and should be handled with care. laser-tap OPTICAL PICK-UP FLEXIBLE BOARD R502R503 IC502 R502R503 TYPE Aa TYPE Ba TYPE Caa Type A, B and C can be identified by its model number label at the buttom of t

21、he set. SPECIFICATION LABEL TYPE A TYPE B TYPE C 收音机爱好者资料库 Ra d i o Fa n s .CN 4 SECTION 2 GENERAL This section is extracted from instruction manual. Setting the clock The clock uses a 12-hour digital indication. Example: To set the clock to 10:08 1Press (MENU), then press either side of (DISC/PRST)

22、 repeatedly until “Clock” appears. 1 Press (ENTER). The hour indication flashes. 2 Press either side of (DISC/PRST) to set the hour. 3 Press (+) side of (SEEK/AMS). The minute indication flashes. 4 Press either side of (DISC/PRST) to set the minute. 2Press (ENTER). The clock starts. After the clock

23、setting is completed, the display returns to normal playback mode. Tip You can set the clock automatically with the RDS feature (see page 24). (MDX-C8500R) Note In the initial setting, the clock indication appears while the unit is turned off. When you select the “on” setting of the “D.Info” item (p

24、age 29), you can see the clock indication in the upper part of the display while you are enjoying any source. Location of controls (MDX-C8500X) Card remote commander RM-X91 The corresponding buttons of the card remote commander control the same functions as those on this unit. 1 OFF button 2 MENU bu

25、tton 3 SOURCE button 4 SEEK/AMS (cursor /,) buttons 5 SOUND button 6 DSPL button 7 ATT button 8 LIST button 9 DISC/PRST (cursor M/m) buttons 0 ENTER button qa MODE button qs VOL buttons OFF SEEKSEEK OPEN/CLOSE MENULIST SOUNDENTER DSPLMODE VOLATT DISC DISC SOURCE 5 6 7 8 9 (MDX-C8500R) 10 Blue/white

26、striped Ray bleu/blanc Con raya azul/blanca AMP REM Max. supply current 0.3 A Courant max. fourni 0,3 A Corriente mx. de alimentacin de 0,3 A White/black striped Ray blanc/noir Con raya blanco/negro to the +12 V power terminal which is energized in the accessory position of the ignition key switch N

27、otes If there is no accessory position, connect to the +12 V power (battery) terminal which is energized at all times. Be sure to connect the black ground to it first. When your car has a built-in FM/AM antenna in the rear/side glass, see “Notes on the control and power supply leads.” la borne +12 V

28、 qui est alimente quand la cl de contact est sur la position accessoires Remarques Sil ny a pas de position accessoires, raccordez la borne dalimentation (batterie) +12 V qui est en permanence sous tension. Veillez raccorder le fil noir en premier lieu. Si votre voiture est quipe dune antenne FM/AM

29、intgre dans la vitre arrire/latrale, voir les “Remarques sur les cbles de commande et dalimentation”. al terminal de alimentacin de +12 V que se active en la posicin auxiliar de la llave de encendido Notas Si no existe posicin auxiliar, realice la conexin al terminal de alimentacin (batera) de +12 V

30、 que reciba energa permanentemente. Asegrese de conectar primero a este terminal el conductor de puesta a masa negro. Si el automvil incorpora una antena de recepcin de FM/ AM en el cristal trasero/lateral, consulte “Notas sobre los cables de control y de fuente de alimentacin”. Connection example E

31、xemple de connection Ejemplo de conexiones 8 Left Gauche Izquierdo Right Droit Derecho Left Gauche Izquierdo Right Droit Derecho Purple/black striped Ray mauve/noir Con raya prpura/negro Green/black striped Ray vert/noir Con raya verde/negro Gray/black striped Ray gris/noir Con raya gris/negro Light

32、 blue Bleu ciel Azul celeste Source selector (not supplied) Slecteur de source (non fourni) Selector de fuente (no suministrado) XA-C30 BUS AUDIO IN AUDIO OUT FRONT BUS CONTROL IN REMOTE IN AUDIO OUT REAR To AMP REMOTE IN of an optional power amplifier. This connection is only for amplifiers. Connec

33、ting any other system may damage the unit. Pour effectuer le raccordement AMP REMOTE IN de lamplificateur de puissance en option. Cette connexion sapplique uniquement aux amplificateurs. Le branchement de tout autre systme risque dendommager lappareil. Para conectar a AMP REMOTE IN del amplificador

34、de potencia opcional. Esta conexin es slo para amplificadores. La conexin de cualquier otro sistema puede daar la unidad. to the power antenna control lead or power supply lead of antenna booster amplifier Notes It is not necessary to connect this lead if there is no power antenna or antenna booster

35、, or with a manually-operated telescopic antenna. When your car has a built-in FM/AM antenna in the rear/side glass, see “Notes on the control and power supply leads.” vers le fil de commande de lantenne lectrique ou le fil dalimentation de lamplificateur dantenne Remarques Il nest pas ncessaire de

36、raccorder ce fil sil ny a pas dantenne lectrique ni damplificateur dantenne, ou avec une antenne tlescopique manuelle. Si votre voiture est quipe dune antenne FM/AM intgre dans la vitre arrire/latrale, voir les “Remarques sur les cbles de commande et dalimentation”. al cable de control de la antena

37、motorizada o al cable de fuente de alimentacin del amplificador de antena Notas Si no se dispone de antena motorizada ni de amplificador de antena, o se utiliza una antena telescpica accionada manualmente, no ser necesario conectar este cable. Si el automvil incorpora una antena de FM/AM en el crist

38、al trasero/lateral, consulte “Notas sobre los cables de control y de fuente de alimentacin”. from car antenna de lantenne de la voiture de la antena del automvil Supplied to XA-C30 Fourni avec le XA-C30 Suministrado con el XA-C30 Fuse (10 A) Fusible (10 A) Fusible (10 A) SUB OUT (MONO) Supplied to t

39、he CD/MD changer Fourni avec le changeur de CD/MD Suministrado con el cambiador de CD/MD to a metal surface of the car First connect the black ground lead, then connect the yellow and red power input reads. vers un point mtallique de la voiture Branchez dabord le fil de masse noir et, ensuite, les f

40、ils dentre dalimentation jaune et rouge. a un punto metlico del automvil En primer lugar conecte el conductor de puesta a masa negro y, a continuacin, los cables de entrada de alimentacin amarillo y rojo. Green Vert Verde Grey Gris Gris White Blanc Blanco Purple Mauve Prpura to the +12 V power termi

41、nal which is energized at all times Be sure to connect the black ground to it first. la borne +12 V qui est alimente en permanence Raccordez dabord le fil de masse noir. al terminal de alimentacin de +12 V que est permanentemente energizado Asegrese de conectar primero a este terminal el conductor d

42、e puesta a masa negro. to the interface cable of a car telephone vers le cordon de liaison dun tlphone de voiture al cable de interfaz de un telfono para automvil Rotary commander RM-X4S (not supplied) Satellite de commande RM-X4S (non fourni) Mando rotativo RM-X4S (no suministrado) A TT ANT REM Blu

43、e Bleu Azul Yellow Jaune Amarillo Red Rouge Rojo Black Noir Negro Max. supply current 0.1 A Courant max. fourni 0,1 A Corriente mx. de alimentacin de 0,1 A *RCA pin cord (not supplied) Cordon broche RCA (non fourni) Cable con pines RCA (no suministrado) * * Insert with the cord upwards. Insrez avec

44、le cble vers le haut. Insertar con el cable hacia arriba. (MDX-C8500X) 11 SECTION 3 DISASSEMBLY SUB PANEL ASSY Note: Follow the disassembly procedure in the numerical order given. MECHANISM DECK (MG-164NV-138) 1 screw (PTT2.6 6) 2 cover 4 claw 3 screw (PTT2.6 8) 3 two screws (PTT2.6 8) 3 screw (PTT2

45、.6 8) 6 sub panel assy 4 two claws 5 connector (CN752) 1 screw (PTT2.6 6) 5 mechanism deck (MG-164NV-138) 3 two screws (PTT2.6 10) 4 bracket (MD) 2 connector (CN101) 1 screw (PTT2.6 6) 12 SERVO BOARD MAIN BOARD 2 two screws (BVTT2 4) 1 sensor flexible board (CN102) 2 two screws (BVTT2 4) 1 flexible board (CN103) 3 servo board 2 three ground point screws 3 screw (PTT2.6 10) 1 connector (CN301) 5 two screws (PTT2.