sony_MDX-C6400R_service_manual 维修电路图.pdf

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1、SERVICE MANUALAEP Model MDX-C6400R/C6500R/C6500RX UK Model MDX-C6500R/C6500RX SPECIFICATIONS MDX-C6400R/C6500R/C6500RX Photo: MDX-C6500R Model Name Using Similar MechanismNEW Base Mechanism TypeMG-164NZ-138 Optical Pick-up NameKMS-241C FM/MW/LW MINIDISC PLAYER MD player section Signal-to-noise ratio

2、90 dB Frequency response10 20,000 Hz Wow and flutterBelow measurable limit Tuner section FM Tuning range87.5 108.0 MHz Aerial terminalExternal aerial connector Intermediate frequency10.7 MHz/450 kHz Usable sensitivity8 dBf Selectivity75 dB at 400 kHz Signal-to-noise ratio66 dB (stereo), 72 dB (mono)

3、 Harmonic distortion at 1 kHz 0.6 % (stereo), 0.3 % (mono) Separation35 dB at 1 kHz Frequency response30 15,000 Hz MW/LW Tuning rangeMW: 531 1,602 kHz LW: 153 279 kHz Aerial terminalExternal aerial connector Intermediate frequency10.7 MHz/450 kHz SensitivityMW: 30 V LW: 40 V Power amplifier section

4、OutputsSpeaker outputs (sure seal connectors) Speaker impedance4 8 ohms Maximum power output 50 W 4 (at 4 ohms) General OutputsAudio outputs*1 Power aerial relay control lead Power amplifier control lead Telephone ATT control lead*2 Tone controlsBass 9 dB at 100 Hz Treble 9 dB at 10 kHz Power requir

5、ements12 V DC car battery (negative ground) DimensionsApprox. 178 50 183 mm (w/h/d) Mounting dimensionsApprox. 182 53 162 mm (w/h/d) MassApprox. 1.2 kg Supplied accessoriesParts for installation and connections (1 set) Front panel case (1) *1Equipped with front and rear outputs: MDX-C6500RX/C6500R o

6、nly Equipped with rear outputs: MDX-C6400R *2MDX-C6500RX/C6500R only U.S. and foreign patents licensed from Dolby laboratories Licensing Corporation. Design and specifications are subject to change without notice. Ver 1.2 2001.12 9-870-051-13Sony Corporation 2001L0500-1e Vehicle Company C 2001.12Pub

7、lished by Sony Engineering Corporation 收音机爱好者资料库 Ra d i o Fa n s .CN 2 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 ir

8、on around 270 C dur- ing repairing. Do not touch the soldering 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 SAFETY-RELATED COMPONENT WARNING! CO

9、MPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL 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. CAUTION Use of controls or adjust

10、ments or performance of procedures other than those specified herein 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

11、the human body. During repair, pay attention to electrostatic break-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 e

12、mission from right avove when checking it for adustment. It is feared 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 t

13、he laser-tap on the flexible board. Also perform m easures against 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 1.GENERAL Location of controls .3 Installation.4 Connections.5

14、 2.DISASSEMBLY.9 3.ELECTRICAL ADJUSTMENTS Test Mode . 16 MD Section . 16 Tuner Section . 16 4.DIAGRAMS 4-1.Block Diagram SERVO Section . 17 4-2.Block Diagram TUNER Section . 18 4-3.Block Diagram MAIN Section . 19 4-4.Block Diagram BUS CONTROL/ POWER SUPPLY Section . 20 4-5.Note for Printed Wiring Bo

15、ards and Schematic Diagrams . 21 4-6.Printed Wiring Boards SERVO Board (Component Side)/ SENSOR Board . 22 4-7.Printed Wiring Board SERVO Board (Conductor Side) . 23 4-8.Schematic Diagram SERVO Board (1/2) . 24 4-9.Schematic Diagram SERVO Board (2/2) . 25 4-10. Printed Wiring Board MAIN Board (Compo

16、nent Side) . 26 4-11. Printed Wiring Board MAIN Board (Conductor Side) . 27 4-12. Schematic Diagram MAIN Board (1/3) . 28 4-13. Schematic Diagram MAIN Board (2/3) . 29 4-14. Schematic Diagram MAIN Board (3/3) . 30 4-15. Printed Wiring Board SUB Board . 32 4-16. Schematic Diagram SUB Board . 33 4-17.

17、 Printed Wiring Board KEY Board . 34 4-18. Schematic Diagram KEY Board . 35 4-19. IC Pin Function Description . 40 5.EXPLODED VIEWS. 50 6.ELECTRICAL PARTS LIST. 54 TABLE OF CONTENTS 收音机爱好者资料库 Ra d i o Fa n s .CN 3 SECTION 1 GENERAL This section is extracted from instruction manual. Location of contr

18、ols Refer to the pages listed for details. 1 Volume control dial 19 2 MENU button 8, 10, 12, 13, 14, 15, 16, 18, 19, 21, 24 3 DISC/PRST +/ (cursor up/down) buttons 8, 10, 12, 13, 14, 15, 16, 18, 19, 20, 21, 24 During CD/MD playback: Disc change 10, 13 During radio reception: Preset stations select 1

19、6 4Z (eject) button (located on the front side of the unit behind the front panel) 9 5 DSPL/PTY (display mode change/ programme type) button 9, 10, 12, 17, 20 6 LIST button 12 List-up 13 7 SOURCE (TUNER/CD/MD) button 8, 9, 10, 13, 15, 16, 19 8 Display window 9 OPEN button 7, 9, 26 q; D-BASS button 2

20、5 qa SOUND button 23 qs Reset button (located on the front side of the unit behind the front panel) 7 qd OFF button* 7, 8, 9 qf SEEK/AMS /+ (cursor left/right) buttons 8, 10, 12, 14, 16, 18, 19, 21, 23, 24 Automatic Music Sensor 10, 14 Manual Search 10 Seek 15, 16, 18 qg ENTER button 8, 10, 12, 13,

21、14, 15, 16, 18, 19, 20, 21, 24 qh MODE button 19 During CD or MD playback: CD/MD unit select 9, 13 During radio reception: BAND select 15, 16 qj Receptor for the card remote commander qk Number buttons During radio reception: Preset number select 15, 16, 18, 19 During CD/MD playback: (1)REP 11 (2)SH

22、UF 11 ql AF button 17, 18, 19 w; TA button 18, 19 * Warning when installing in a car without ACC (accessory) position on the ignition key switch Be sure to press (OFF) on the unit for two seconds to turn off the clock display after turning off the engine. When you press (OFF) only momentarily, the c

23、lock display does not turn off and this causes battery wear. MDX-C6500RX/C6500R /C6400R D I SC + P R ST + - D I S C P R S T- LIST DSPL AF OFF PTY ENTER MENU SOUND 123456 SOURCE-SEEK/AMS REPSHUF TA OPEN D-BASS MODE Setting the clock The clock uses a 24-hour digital indication. Example: To set the clo

24、ck to 10:08 1Press (MENU), then press either side of (DISC/PRST) repeatedly until “CLOCK” appears. 1 Press (ENTER). The hour indication flashes. 2 Press either side of (DISC/PRST) to set the hour. 3 Press the (+) side of (SEEK/AMS). The minute indication flashes. 4 Press either side of (DISC/PRST) t

25、o set the minute. 2 Press (ENTER). The clock starts. After the clock setting is completed, the display returns to normal play mode. Tip You can set the clock automatically with the RDS feature (see page 17). Note In the initial setting, the clock indication appears while the unit is turned off. When

26、 the D.INFO mode is set to ON, the time is always displayed (page 24). 收音机爱好者资料库 Ra d i o Fa n s .CN 4 5 6 7 8 9 SECTION 2 DISASSEMBLY SUB PANEL ASSY Note: Follow the disassembly procedure in the numerical order given. MECHANISM DECK (MG-164NZ-138) 1 screw (PTT2.6 5) 2 cover 4 claw 3 screw (PTT2.6 8

27、) 3 two screws (PTT2.6 8) 3 screw (PTT2.6 8) 5 sub panel assy 4 two claws 6 flexible flat cable (CNP811) 1 screw (PTT2.6 5) 5 mechanism deck (MG-164NZ-138) 3 two screws (PTT2.6 5) 4 bracket (MD) 2 connector (CN101) 1 screw (PTT2.6 5) 10 SERVO BOARD MAIN BOARD 2 two screws (BVTT2 4) 1 sensor flexible

28、 board (CN102) 2 two screws (BVTT2 4) 1 flexible board (CN103) 3 servo board 1 three ground point screws 2 three screws (PTT2.6 10) 3 main board 11 MD COVER ASSY HEAT SINK 1 four screws (B2 3) 3 MD cover assy 2 Pushing the Cassette Holder in the direction of the arrow A with a screwdriver, etc., dis

29、engage the Shaft (MD Cover Guide) from the slot in the MD Cover Assy. Note: Take care not to scratch the optiocal Pick-up when pushing the Cassette Holder with a screwdriver. etc. shaft (MD cover guide) cassette holder A 1 three screws (PTT2.6 10) 2 two screws (PTT2.6 12) 1 screw (PTT2.6 10) C6500R/

30、C6500RX 1 two screws (PTT2.6 10) 3 heat sink 12 FLOAT BLOCK LO MOTOR ASSY (LOADING) (M903) 1 tension spring (FLOAT B) 1 tension spring (FLOAT B) 2 two tension springs (FLOAT F) 3 Pushing an arrow A part, raise the float block up ward at the front to release a lock. A float block lever (lock R) lever

31、 (lock L) 4 Remove the bracket (LO) in the direction of the arrow A. bracket (LO) 1 Remove solders of motor (M903) 5 LO motor assy (loading) (M903) 2 tension spring (rack) 3 claw A bottom view 13 LEVER (LE) ASSY HOLDER ASSY 2 stopper washer 2 lever (LE) assy 3 roller (GEAR E) 1 2 type-E stopring 1.5

32、 2 type-E stopring 1.5 3 lever (lock L) 2 type-E stopring 1.5 2 type-E stopring 1.5 4 Remove the holder assy in the direction of the arrow. 1 spring (CHKG) 1 spring (CHKG) 3 lever (lock R) 14 OPTICAL PICK-UP (KMS-241C/J1NP) CHUCKING ARM ASSY 1 Remove the chucking arm assy in the direction of the arr

33、ow. holder assy 6 bearing (SL) 5 feed screw assy 3 screw (K2 3) 2 guide shaft (OPT L) 1 two screws (K2 3) 7 optical pick-up (KMS-241C/J1NP) 4 screw (B2 3) 15 SL MOTOR ASSY (SLED) (M902), SP MOTOR ASSY (SPINDLE) (M901) 4 screw (P1.7 1.8) 5 bracket (SL) 9 two screws (P1.7 1.8) 0 bracket (SP) qa SP mot

34、or assy (spindle) (M901) 7 screw (B2 3) 2 two screws (2 8) 3 sensor board 1 Remove solders of motors (M901, M902) 8 base (SL) 6 SL motor assy (sled) (M902) 16 SECTION 3 ELECTRICAL ADJUSTMENTS TEST MODE This set have the test mode function. 1.Turn ON the regulated power supply. (The clock is displaye

35、d) Note: Press theOFFbutton, if the clock is not displayed. 2.Push the preset 4 button. 3.Push the preset5button. 4.Press the preset1button for more than two seconds. 5.Then the display indicates all lights, the test mode is set. 1.Push the OFF button. MD SECTION MD section adjustments are done auto

36、matically in this set. TUNER SECTION Tuner section adjustments are done automatically in this set. MDX-C6400R/C6500R/C6500RX 1717 SECTION 4 DIAGRAMS 4-1.BLOCK DIAGRAM SERVO Section F CB DA E IJ J I B A C D E F DETECTOR 1 2 J I 4 5 6 7 A B C D 8 9 E F LDPD LASER DIODE ILCC PD OPTICAL PICK-UP BLOCK (K

37、MS-241C) AUTOMATIC POWER CONTROL Q302 11 10 APC PD LD/PD AMP 12 APCREF I-V AMP I-V AMP AT AMP B.P.F.2930 WBL ADFMADIN 32 ADFG ABCD AMP FOCUS ERROR AMP TRACKING ERROR AMP 35 34 26 28 ABCD FE TE SE V-I CONVERTER 20 F0CNT WBL 3T EQ +3.3V SERIAL/ PARALLEL CONVERTER, DECODER COMMAND 171618 SWDT SCLK XLAT

38、 RF AMP B.P.F. 46 RFO 40 RF AGC , rh (I, J, AGCI, RFO) (MD Play Mode) qs IC304 1, 2 (MD Play Mode) qd IC304 3 (MD Play Mode) qf IC304 7 (MD Play Mode) qg IC501 ea (EXTAL) 6 IC301 wh (XBCK) (MD Play Mode) 4.4 Vp-p 88 ns 4.6 Vp-p 354 ns Apporx. 0.6 Vp-p 3.8 Vp-p 22.7 s 4.4 Vp-p 88 ns 3.4 Vp-p 354 ns A

39、pporx. 1.5 Vp-p 4 IC301 qh (OSCI) (MD Play Mode) 5 IC301 wg (LRCK) (MD Play Mode) 4.6 Vp-p 44.3 ns 4.4 Vp-p 22.7 s Approx. 0.5 Vp-p Approx. 2 Vp-p 4.1 Vp-p 44.3 ns 3.4 Vp-p 44.3 ns 4.4 Vp-p 44.3 ns 3.7 Vp-p 101 ns MAIN Board 1 IC51 4 (OSCD) 2 IC501 ud (X1A) 3 IC501 od (X1A) KEY Board 1 IC901 y; (OSC

40、) 5 Vp-p 231 ns 2.6 Vp-p 26.4 s 5.4 Vp-p 30.5 s 5.6 Vp-p 272 ns MDX-C6400R/C6500R/C6500RX 3232 4-15.PRINTED WIRING BOARD SUB Board See page 21 for Circuit Boards Location. (Page 27) (Page 34) MDX-C6400R/C6500R/C6500RX 3333 4-16.SCHEMATIC DIAGRAM SUB Board (Page 30) (Page 35) MDX-C6400R/C6500R/C6500R

41、X 3434 4-17.PRINTED WIRING BOARD KEY Board See page 21 for Circuit Boards Location. Semiconductor Location Ref. No.Location IC951C-5 LED901A-2 LED902C-2 LED903C-3 LED904A-3 LED910B-12 LED911B-12 LED912A-12 LED913A-5 LED914B-5 LED915B-5 Semiconductor Location Ref. No.Location D901A-11 D902B-10 D903B-

42、10 D904B-10 D951C-4 D952B-6 IC901B-8 (Page 32) MDX-C6400R/C6500R/C6500RX 3535 4-18.SCHEMATIC DIAGRAM KEY Board See page 31 for Waveform. Voltages and waveforms are dc with respect to ground under no-signal (detuned) conditions. no mark : FM (Page 33) MDX-C6400R/C6500R/C6500RX 3636 IC Block Diagrams

43、SERVO Board IC101PCM1718E/2K INPUT INTERFACE DIGITAL FILTER 5 LEVEL DAC LOWPASS FILTER CMOS AMP 1XTI 2DGND 3VDD 4LRCIN 5DIN 6BCKIN 7ZERO 8D/C_R 9VOUTR 10AGND NOISE SHAPER 5 LEVEL DAC LOWPASS FILTER CMOS AMP CLK CONTROL MODE CONTROL 20 XTO 19 CLKO 18 MUTE 17 DM1 16 DM0 15 RSTB 14 FORMAT 13 D/C_L 12 V

44、OUTL 11 VCC IC301CXD2652AR 10099 98 97 96 9594 93 EFMO DVSS TEST3 TEST2 TEST1 FGIN SPFD SPRD 92 SFDR 91 SRDR 90 FS4 89 FRDR 88 FFDR 87 DVDD 86 TFDR 85 TRDR 84 LDDR 83 APCREF 82 DTRF 81 CKRF 80 XLRF 79 F0CNT 78 ADFG 77 APC 76 DCHG 75 AUX2 74 TE 73 SE 72 AVSS 71 ADRB 70 ADRT 69 AVDD 68 ADIO 61 CLTV 60

45、 FILO 59 FILI 58 PCO 57 PDO 55 RFI 56 AVSS 54 BIAS 53 AVDD 52 ASYI 51 ASYO 67 VC 66 AUX1 65 FE 64 ABCD 63 BOTM 62 PEAK 50 MVCI 49 D3 48 D2 47 D0 46 D1 45 XWE 44 XRAS 43 A09 42 XCAS 41 XOE 40 DVSS 39 A11 38 A08 37 A07 36 A06 35 A05 34 A04 33 A10 32 A00 31 A01 30 A02 29 A03 28 DVDD 26 XBCK 27 FS256 25LRCK 24DADT 23ADDT 22DOUT 21DIN 20DVSS 19NC 18XTSL 17OSCO 16OSCI 15TX 14XINT 13RECP 12DQSY 11SQSY 10XRST 9SENS 8SRDT 7XLAT 6SCLK 5SWDT 4MNT3 3MNT2 2MNT1 1MNT0 PWM GENERATOR AUTO SEQUENCER SERVO DSP CPU I/F MONITOR CONTROL SPINDLE SERVO EACH BLOCK EACH BLOCK DIGITAL AUDIO I/F