sony_MDX-C6500RV_service_manual 维修电路图.pdf

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1、SERVICE MANUALAEP Model UK Model SPECIFICATIONS MDX-C6500RV Model Name Using Similar MechanismMDX-C6500R Base Mechanism TypeMG-164NZ-138 Optical Pick-up NameKMS-241C/J1NP FM/MW/LW MINIDISC PLAYER U.S. and foreign patents licensed from Dolby laboratories Licensing Corporation. Design and specificatio

2、ns are subject to change without notice. MD player section Signal-to-noise ratio90 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 d

3、Bf Selectivity75 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 MW/LW Tuning rangeMW: 531 1,602 kHz LW: 153 279 kHz Aerial terminalExternal aerial connector Intermediate

4、 frequency10.7 MHz/450 kHz SensitivityMW: 30 V LW: 40 V Power amplifier section OutputsSpeaker outputs (sure seal connectors) Speaker impedance4 8 ohms Maximum power output 50 W 4 (at 4 ohms) General OutputsAudio outputs Power aerial relay control lead Power amplifier control lead Telephone ATT cont

5、rol lead Tone controlsBass 9 dB at 100 Hz Treble 9 dB at 10 kHz Power requirements12 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

6、 panel case (1) Ver 1.1 2001.05 9-870-087-12Sony 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 Notes on chip component replacement Never reuse a disconnected chip component. Notice that the minus side of a tantalum capa

7、citor 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 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 u

8、nsoldering. NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK OR BASE UNIT 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 CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBER

9、S APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB- LISHED BY SONY. CAUTION Use of controls or adjustments 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-do

10、wn because of the potential difference generated by the charged electrostatic load, etc. on clothing and 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 damag

11、ed 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 feared that you will lose your sight. NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK (KMS-241C/J1NP). The laser diode in the optical pi

12、ck-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 against electrostatic break-down sufficiently before the operation. The flexible board is easily damaged and should be handled with care

13、. laser-tap OPTICAL PICK-UP FLEXIBLE BOARD 1.GENERAL Location of Controls .3 Setting the Clock.3 Installation.4 Connections.5 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 . 1

14、8 4-3.Block Diagram MAIN Section . 19 4-4.Block Diagram BUS CONTROL/ POWER SUPPLY Section . 20 4-5.Note for Printed Wiring Boards 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.Schem

15、atic Diagram SERVO Board (1/2) . 24 4-9.Schematic Diagram SERVO Board (2/2) . 25 4-10. Printed Wiring Board MAIN Board (Component 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. S

16、chematic Diagram MAIN Board (3/3) . 30 4-15. Printed Wiring Board SUB Board . 32 4-16. Schematic Diagram SUB Board . 33 4-17. 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 CO

17、NTENTS 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 controls 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,

18、13, 14, 15, 16, 18, 19, 20, 21, 24 During CD/MD playback: Disc change 10, 13 During radio reception: Preset stations select 16 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

19、 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 25 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,

20、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, 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 c

21、ommander qk Number buttons During radio reception: Preset number select 15, 16, 18, 19 During CD/MD playback: (1)REP 11 (2)SHUF 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

22、unit for two seconds to turn off the clock display after turning off the engine. When you press (OFF) only momentarily, the clock display does not turn off and this causes battery wear. MDX-C6500RV 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 REPS

23、HUF TA OPEN D-BASS MODE Setting the clock The clock uses a 24-hour digital indication. Example: To set the clock 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

24、 hour. 3 Press the (+) side of (SEEK/AMS). The minute indication flashes. 4 Press either side of (DISC/PRST) to 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 featu

25、re (see page 17). Note In the initial setting, the clock indication appears while the unit is turned off. When 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 i

26、n the numerical order given. MECHANISM DECK (MG-164NZ-138) 1 screw (PTT2.6 5) 4 mechanism deck (MG-164NZ-138) 2 two screws (PTT2.6 5) 5 bracket (MD) 3 connector (CN101) 1 screw (PTT2.6 5) 1 screw (PTT2.6 5) 2 cover 4 claw 3 screw (PTT2.6 8) 3 two screws (PTT2.6 8) 3 screw (PTT2.6 8) 5 sub panel assy

27、 4 two claws 6 flexible flat cable (CN500) 10 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 1 three ground point screws 2 three screws (PTT2.6 8) 3 main board 11 MD COVER ASSY HEAT SINK 1 four screws (B2 3)

28、 3 MD cover assy 2 Pushing the Cassette Holder in the direction of arrow A with a screwdriver, etc., disengage 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

29、guide) cassette holder A 1 three screws (PTT2.6 8) 2 two screws (PTT2.6 12) 1 screw (PTT2.6 8) 1 two screws (PTT2.6 8) 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

30、float block up ward at the front to release a lock. A float block lever (lock R) lever (lock L) 4 Remove the bracket (LO) in the direction of 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

31、 ASSY 2 stopper washer 2 lever (LE) assy 3 roller (gear E) 1 2 type-E stopring 1.5 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/

32、J1NP) CHUCKING ARM ASSY 1 Remove the chucking arm assy in the direction of the arrow. 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)

33、4 screw (P1.7 1.8) 5 bracket (SL) 9 two screws (P1.7 1.8) 0 bracket (SP) qa SP motor 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 th

34、e test mode function. 1.Turn ON the regulated power supply. (The clock is displayed) 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 m

35、ode is set. 1.Push the OFF button. MD SECTION MD section adjustments are done automatically in this set. TUNER SECTION Tuner section adjustments are done automatically in this set. MDX-C6500RV 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

36、 7 A B C D 8 9 E F LDPD LASER DIODE ILCC PD OPTICAL PICK-UP BLOCK (KMS-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.

37、3V SERIAL/ PARALLEL CONVERTER, DECODER COMMAND 171618 SWDT SCLK XLAT 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

38、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 Apporx. 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

39、4 (OSCO) 2 IC501 ud (X1A) 3 IC501 od (X1) KEY Board 1 IC901 y; (OSC) 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-C6500RV 3232 4-15.PRINTED WIRING BOARD SUB Board See page 21 for Circuit Boards Location. (Page 27) (Page 34) MDX-C6500RV 3333 4-16.SCHEMATIC DIAGRAM SUB Board (Page

40、 30) MDX-C6500RV 3434 4-17.PRINTED WIRING BOARD KEY Board See page 21 for Circuit Boards Location. Semiconductor Location (Component Side) 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 (Conducto

41、r Side) Ref. No.Location D901A-11 D902B-10 D903B-10 D904B-10 D951C-4 D952B-6 IC901B-8 Q903A-5 Q903 B C E (Page 32) MDX-C6500RV 3535 4-18.SCHEMATIC DIAGRAM KEY Board See page 31 for Waveforms. Voltages and waveforms are dc with respect to ground under no-signal (detuned) conditions. no mark : FM (Pag

42、e 33) MDX-C6500RV 3636 IC Block Diagrams 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 D

43、M1 16 DM0 15 RSTB 14 FORMAT 13 D/C_L 12 VOUTL 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 7

44、1 ADRB 70 ADRT 69 AVDD 68 ADIO 61 CLTV 60 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

45、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 SAMPLING RATE CONVERTER CLOCK GENERATOR SUBCODE PROCESSOR EACH BLOCK A/D CONVERTER ANALOG MUX EFM/ACIRC ENCODER/ DECODER PLL SHOCK RESISTANT MEMORY CONTROLLER ATRAC ENCODER/DECODER ADIP DECODER COMP A