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MICROFILM

Model Name Using Similar Mechanism

MDX-62

Mini Disc Mechanism Type

MG-798K-133

Optical Pick-up Name

KMS-241A/J2N

SERVICE MANUAL

US Model

Canadian Model

AEP Model

UK Model

E Model

MDX-65

MINIDISC CHANGER

System

Mini disc digital audio system

Laser Diode Properties

Material: GaAlAs
Wavelength: 780 nm
Emission Duration: Continuous
Laser output Power: Less than
44.6 

µ

W*

This output is the value measured at a distance of

200 mm from the objective lens surface on the
Optical Pick-up Block.

Frequency response

10 – 20,000 Hz

Wow and flutter Below measurable limit
Signal-to-noise ratio

95 dB

Outputs

Bus control output (8 PIN)
Analog audio output (RCA PIN)

Current drain

300 mA (MD playback)
600 mA (during loading or ejecting a
disc)

Dimensions

Approx. 176 

×

 83.5 

×

 142 mm

(7 

×

 3 

3

/

8

 

×

 5 

18

/

32

 in.) (w/h/d) not incl.

projecting parts and controls

Mass

Approx. 1.1 kg (2 lb. 7 oz.)

Power requirement

12 V DC car battery (negative
ground)

Supplied accessories

Mounting hardware (1 set)
Bus cable 5.5 m (1)
RCA pin cord 5.5 m (1)

• U.S. and foreign patents licensed from Dolby

Laboratories Licensing Corporation.

• Design and specifications subject to change without

notice.

SPECIFICATIONS

• Sony BUS system compatible with mobile MD

changers.

• Direct-in system for inserting and removing

MDs easily.

• No waiting time to change discs in continuous

play.

• The MD changer compartment has a built in light

for easy use even in the dark.

• 1 bit Digital/Analog converter for high quality

sound reproduction.

FEATURES

Dolby noise reduction extension manufactured under license
from Dolby Laboratories Licensing Corporation.
“DOLBY” and the double-D symbol 

a

 are trademarks of Dolby

Laboratories Licensing Corporation.

Summary of Contents for MDX-65

Page 1: ...isc Dimensions Approx 176 83 5 142 mm 7 3 3 8 5 18 32 in w h d not incl projecting parts and controls Mass Approx 1 1 kg 2 lb 7 oz Power requirement 12 V DC car battery negative ground Supplied accessories Mounting hardware 1 set Bus cable 5 5 m 1 RCA pin cord 5 5 m 1 U S and foreign patents licensed from Dolby Laboratories Licensing Corporation Design and specifications subject to change without ...

Page 2: ...ch is included in the repair parts The flexible board is easily damaged and should be handled with care NOTES ON LASER DIODE EMISSION CHECK The laser beam on this model is concentrated so as to be focused on the disc reflective surface by the objective lens in the optical pick up block Therefore when checking the laser diode emission observe from more than 30 cm away from the objective lens NOTES ...

Page 3: ...ism deck See page 8 of SECTION 3 DISASSEMBLY 2 Remove the chassis OP block from the mechanism deck See page 10 of SECTION 3 DISASSEMBLY 3 Short each bridge points BP1 and BP2 on the main board by solder bridge main board conductor side 4 Connect the power board with the main board by the main flexible board Connect the main board with the servo board by the servo flexible board 5 Connect to a mast...

Page 4: ... 4 SECTION 2 GENERAL This section extracted from US Canadian E model s instruction manual ...

Page 5: ... 5 ...

Page 6: ...case upper 2 BVTT 2 6x6 2 PTT 2 6x8 4 BVTT 2 6x6 3 BVTT 2 6x6 6 panel rear assy 5 CN901 1 cover SECTION 3 DISASSEMBLY Note Follow the disassembly procedure in the numerical order given 3 1 PANEL REAR ASSY 3 2 CASE UPPER ...

Page 7: ... 7 1 damper 798 2 damper 798 3 tension spring FL 4 tension spring FL 5 tension spring FL 6 MD block 1 claw 2 claw 3 panel front assy 4 CN620 3 3 PANEL FRONT ASSY 3 4 MD BLOCK ...

Page 8: ...1 7x1 8 2 precision screws P 1 7x1 8 5 bearing ELV 8 bearing ELV 1 cushion 3 escutcheon 6 chassis front 7 collar EHS 5 lead stopper CN700 CN701 CN603 CN601 0 CN600 CN500 9 CN602 MAIN board cushion MAIN 8 sheet MAIN PC board 2 screws M1 7 special flat screws 1 7x3 4 screws M1 7 3 5 MAIN BOARD 3 6 CHASSIS OP BLOCK ...

Page 9: ... 9 1 screws K1 7x3 5 2 optical pick up 1 CN200 6 CN100 5 CN300 4 CN400 3 screws M1 7x2 2 7 SERVO board 2 Unsolder the motor lead wires 3 7 SERVO BOARD 3 8 OPTICAL PICK UP ...

Page 10: ...B fully in the direction of arrows B 6 bearing ELV 7 bearing ELV 0 precision screws P1 7x1 8 9 precision screw P1 7x1 8 8 chassis bottom assy 5 chassis OP block 3 bearing ELV 4 bearing ELV 1 worm wheel ELV2 gear ELVC gear ELVA2 polyethylene washer polyethylene washer 3 9 NOTE ON ASSEMBLY FOR THE CHASSIS OP BLOCK ...

Page 11: ...ter frequency setting input of internal circuit filter BPF22 26 TE O Tracking error signal output to CXD2652AR IC200 27 CSLED I Connecting pin for low pass filter condenser of sled error signal 28 SE O Sled error signal output to CXD2652AR IC200 29 ADFM O FM signal output of ADIP 30 ADIN I FM signal input of ADIP by AC combination 31 ADAGC I External condenser connecting pin for AGC of ADIP 32 ADF...

Page 12: ...C XINT I Interruption status input from CXD2652AR IC200 22 O Not used 23 AVDD Power supply for A D converter 5 V 24 AVREF0 Reference voltage for A D converter 25 INIT I Initial input pin at reset 26 TEMP I Thermistor connecting pin for temperature detection 27 EHS I Elevator height position detection input 28 29 I Connect to GND 30 32 O Connect to GND 33 AVSS Analog GND 34 ERR PWM O Error data out...

Page 13: ... ON 76 ILLON O Illumination lamp PL620 light up control output H Lamp light up 77 TSTSMD I Single mode setting pin L Single mode 78 TSTCKO O Serial clock output to LED for TEST mode display Not used in this set 79 TSTSO O Serial data output to LED for TEST mode display Not used in this set 80 TSTMOD I TEST mode setting pin L TEST mode 81 VDD Power supply pin 5 V 82 85 TSTOUT0 3 O TEST key output p...

Page 14: ... 14 SENSOR board POWER board SERVO board LAMP board MAIN board 4 2 CIRCUIT BOARDS LOCATION ...

Page 15: ... 1 40 MD SI SQSY 6 5 18 SQ SY DOUT 8 9 71 MD RST 70 MD LAT 41 MD SO 42 MD CKO IC602 LEVEL SHIFT 1 M1 2 M1 3 M2 4 M2 S901 HOME POSITION DET 8 HOME 6 LES 69 DOORSW S400 LIMIT 68 LIMIT SW 27 EHS 7 SES 95 ı 100 MDMON 5 7 8 4 11 6 9 10 2 13 IC900 BUS INTERFACE IC902 SYS RST BATT BUS CLK BUS DATA BUS ON DIGITAL OUT RESET SW SW RESET 15 UNI CKI 47 UNISO 46 UNISI 45 BUS ON 17 IC601 RESET IC902 5 IC930 LIN...

Page 16: ...ith regulated dc power supply from Master unit Voltage and waveforms are dc with respect to ground under no signal conditions no mark PB Impossible to measure Voltages are taken with aVOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Waveforms are taken with a oscilloscope Voltage variations may be noted due to normal produc tion tolerances Circled numb...

Page 17: ... 19 20 MDX 65 Page 27 D300 C 4 IC100 E 2 IC200 B 4 IC201 A 3 IC202 E 5 IC300 D 4 Q100 F 4 Q200 C 4 Ref No Location Semiconductor Location ...

Page 18: ...4 5 SCHEMATIC DIAGRAM SERVO SECTION Refer to page 33 for Waveforms and page 35 for IC Block Diagrams 21 22 MDX 65 Page 23 ...

Page 19: ... 23 24 MDX 65 4 6 SCHEMATIC DIAGRAM MAIN SECTION Refer to page 34 for Waveforms and page 37 for IC Block Diagrams Page 22 Page 32 ...

Page 20: ...IN SECTION D500 C 3 D501 C 3 D600 C 2 D601 B 2 D602 E 2 D800 A 3 D801 A 4 IC500 B 3 IC600 D 2 IC601 C 2 IC602 D 4 IC603 D 4 IC700 C 1 IC701 B 2 Q500 C 3 Q600 E 3 Q601 E 3 Q602 B 2 Q800 B 3 Q801 A 3 Ref No Location Semiconductor Location SIDE B ...

Page 21: ... 27 28 MDX 65 Page 30 Page 20 ...

Page 22: ... 2 D903 A 2 D904 A 2 D905 A 2 D930 D 4 D940 E 6 D941 E 7 D950 E 5 D951 E 4 D952 E 3 D970 D 9 IC900 B 3 IC902 E 1 IC930 C 4 IC970 E 7 Q910 C 2 Q920 C 2 Q930 D 5 Q931 D 3 Q932 B 3 Q940 E 6 Q941 E 6 Q950 E 3 Q970 E 4 Q972 D 8 Ref No Location Semiconductor Location SIDE B Page 27 ...

Page 23: ... 31 32 MDX 65 4 9 SCHEMATIC DIAGRAM POWER SECTION Refer to page 37 for IC Block Diagrams Page 24 ...

Page 24: ...tion 1 IC100 4 A PLAY MODE 200 mV DIV 10 µsec DIV 2 IC100 8 E PLAY MODE 100 mV DIV 10 µsec DIV 3 IC100 9 F PLAY MODE 100 mV DIV 10 µsec DIV 4 IC100 1 2 I J PLAY MODE 100 mV DIV 10 µsec DIV 5 IC100 RF PLAY MODE 500 mV DIV 1 µsec DIV 6 IC100 IC200 FE PLAY MODE 200 mV DIV 0 5 msec DIV 7 IC100 IC200 TE PLAY MODE 500 mV DIV 0 5 msec DIV 8 IC200 LRCK 9 IC200 XBCK º IC200 OSCI Main Section 1 IC600 º X2 2...

Page 25: ...EF 20 F0CNT 19 XSTBY 18 XLAT 17 SCLK 16 SWDT 15 TEMPR 14 TEMPI 13 GND 12 APCREF 11 APC 10 PD 9 F 8 E 7 D 6 C 5 B 4 A 3 VC VI CONV BGR VREF SCRI PARA DECODE AUXSW COMMAND IVR GSW FF FBAL FF TG SEA 1 2 TG TEA WBL 3T EQ DET ADIP AGC WBL BPF22 BPFC ABCDA FEA WBL ATA CVB RFA1 1 2 1 2 GRVA OFST RFA2 GRV HLPT PTGR 2 1 1 2 BOTTOM PEAK RF AGC EQ EQ DET P P WBL 3T WBL TEMP PBH USROP USRC 3T BPF3T PEAK3T 1 I...

Page 26: ...O 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 30 A02 29 A03 28 DVDD 26 XBCK 27 FS256 25 LRCK 24 DADT 23 ADDT 22 DOUT 21 DIN 20 DVSS 19 NC 18 XTSL 17 OSCO 16 OSCI 15 TX 14 XINT...

Page 27: ...11 VCC BUS ON LINK OFF CLK OUT DATA OUT DATA IN BUS RESET BUS DATA VREF BUS CLK GND BUS ON IN BUS ON OUT RESET RESET SWITCH 1 2 3 4 5 6 7 8 9 10 16 15 14 13 12 11 INPUT INTERFACE DIGITAL FILTER MODE CONTROL LOWPASS FILTER CMOS AMP 5 LEVEL DAC NOISE SHAPER LOWPASS FILTER CMOS AMP 5 LEVEL DAC CLK CONTROL 20 19 18 17 XTO CLKO MUTE DM1 DM0 RSTB FORMAT D C L VOUTL VCC AGND VOUTR D C R ZERO BCKIN DIN LR...

Page 28: ...ith part number specified Les composants identifiés par une marque sont critiques pour la sécurité Ne les remplacer que par une piéce portant le numéro spécifié Ref No Part No Description Remark 5 1 CASE SECTION N N Ref No Part No Description Remark 1 X 3376 846 1 DOOR P ASSY 2 3 930 744 01 SPACER DOOR 3 3 831 441 11 CUSHION RATTLEABSORBER 4 X 3376 863 1 DOOR S ASSY 5 X 3376 845 1 PANEL FR ONT ASS...

Page 29: ...ian E 52 A 3294 667 A MAINBO ARD COMPLETE AEP UK 53 1 776 474 11 CABLE FLA T7P 54 3 909 412 01 SCREW P 1 7X2 TYPE3 55 A 3317 382 A SENSORBOARD COMPLETE 56 3 348 750 01 CUSHION DAMPER 57 3 715 973 01 CUSHION 58 3 931 699 01 CUSHION ROLLH 59 3 931 025 11 SHEET MECHANISMDECK 60 3 931 698 01 CUSHION ROLLL 61 1 668 438 11 MAINFLEXIBLEBOARD 62 3 880 990 00 SCREW 1 7X3 FLA T SPECIAL 63 4 952 141 01 CUSHI...

Page 30: ...106 1 668 264 11 SERVOFLEXIBLEBOARD 107 X 3374 669 1 CHASSIS MOTOR ASSY 108 3 930 310 01 COLLAR EHS 109 3 930 312 02 BEARING EL V 110 X 3374 673 1 BRACKET LD2 ASSY 111 3 930 365 01 WHEEL LD WORM 112 3 377 719 11 WASHER POL YETHYLENE 113 3 930 317 01 GEAR LD 114 X 3374 670 1 CHASSIS BOTTOM ASSY 115 3 930 313 01 GEAR EL VC 116 3 020 386 01 GEAR EL VA2 117 3 020 363 01 WHEEL EL V2 WORM 118 3 741 875 ...

Page 31: ...UTTON EJECT 63 156 3 930 318 31 BUTTON EJECT 64 157 3 930 318 41 BUTTON EJECT 65 158 3 930 318 51 BUTTON EJECT 66 159 3 930 354 01 LEVER DISCEJECT 160 3 377 719 11 WASHER POL YETHYLENE 161 3 930 350 01 SPRING EJ TORSION 162 X 3371 216 1 HOLDER CADDIE ASSY 163 3 930 352 01 SPRING DLOCK TENSION 164 X 3375 509 1 SLIDER 3 ASSY LO ADING 165 3 930 366 01 RACK LOADING 166 3 930 360 01 SPRING LIMITER TORS...

Page 32: ...30 334 01 SPRING EL V COMPRESSION 207 3 930 345 01 PLA TE B ELVLIMITER 208 X 3371 215 1 CHASSIS OP ASSY 209 3 930 344 01 PLA TE A ELVLIMITER 210 3 930 711 01 SPRING EL V2 COMPRESSION 211 3 930 339 01 WHEEL SL WORM 212 3 338 645 31 WASHER 0 8 2 5 213 3 930 343 01 SCREW K1 7X3 5 214 3 930 342 01 RET AINER SP 215 3 930 336 01 HOLDER SLB 216 3 930 335 01 DETENT SL 217 X 3371 213 1 HOLDER SLA ASSY 218 ...

Page 33: ... 3V C509 1 104 851 11 TANT AL CHIP 10uF 20 10V C510 1 107 826 11 CERAMICCHIP 0 1uF 10 16V C520 1 107 826 11 CERAMICCHIP 0 1uF 10 16V C530 1 107 826 11 CERAMICCHIP 0 1uF 10 16V C540 1 107 826 11 CERAMICCHIP 0 1uF 10 16V C541 1 107 826 11 CERAMICCHIP 0 1uF 10 16V C600 1 104 852 11 TANT AL CHIP 22uF 20 10V C601 1 107 826 11 CERAMICCHIP 0 1uF 10 16V C602 1 162 917 11 CERAMICCHIP 15PF 5 50V C603 1 162 ...

Page 34: ...R624 1 216 851 11 METALCHIP 330K 5 1 16W R800 1 216 815 11 METALCHIP 330 5 1 16W R801 1 216 829 11 METALCHIP 4 7K 5 1 16W R802 1 216 815 11 METALCHIP 330 5 1 16W NETWORKRESISTOR RB601 1 233 412 11 RES CHIPNETWORK 1 0K 3216 RB602 1 233 810 21 RES CHIPNETWORK 100K 3216 RB603 1 233 412 11 RES CHIPNETWORK 1 0K 3216 RB605 1 233 412 11 RES CHIPNETWORK 1 0K 3216 RB606 1 233 810 21 RES CHIPNETWORK 100K 32...

Page 35: ...UN2212 Q931 8 729 920 85 TRANSISTOR 2SD1664 QR Q932 8 729 424 12 TRANSISTOR UN2112 Q940 8 729 230 49 TRANSISTOR 2SC2712 YG Q941 8 729 901 06 TRANSIST OR DT A144EK Q950 8 729 920 85 TRANSISTOR 2SD1664 QR Q970 8 729 106 60 TRANSISTOR 2SB1115A Q972 8 729 822 84 TRANSIST OR 2SB1202F AST RESISTOR R900 1 216 089 00 RES CHIP 47K 5 1 10W R901 1 216 071 00 METALCHIP 8 2K 5 1 10W R910 1 216 079 00 METALCHIP...

Page 36: ...2uF 20 10V C301 1 107 826 11 CERAMICCHIP 0 1uF 10 16V C302 1 107 682 11 CERAMICCHIP 1uF 10 16V C303 1 107 826 11 CERAMICCHIP 0 1uF 10 16V C304 1 107 826 11 CERAMICCHIP 0 1uF 10 16V C305 1 107 826 11 CERAMICCHIP 0 1uF 10 16V C306 1 107 826 11 CERAMICCHIP 0 1uF 10 16V C400 1 107 826 11 CERAMICCHIP 0 1uF 10 16V C401 1 107 826 11 CERAMICCHIP 0 1uF 10 16V CONNECTOR CN100 1 573 929 11 CONNECTOR FFC FPC ...

Page 37: ...03 X 3371 508 2 MOTORASSY LD LO ADING M904 X 3374 812 1 MOTORASSY ELV ELEV ATOR RV901 1 223 817 11 RES VAR SLIDE 10K ELEV ATORHEIGHT SENSOR S901 1 570 771 21 SWITCH HOMEPOSITIONDET S902 1 570 771 11 SWITCH LOADINGENDSENSORDET S903 1 570 771 21 SWITCH STOREENDSENSORDET ACCESSORIES P ACKINGMA TERIALS 3 865 667 11 MANU AL INSTR UCTION INST ALL ENGLISH FRENCH SP ANISH CHINESE US Canadian E 3 865 928 1...

Page 38: ... 48 Sony Corporation Personal Mobile Communication Company 9 926 423 11 MDX 65 99A0478 1 Printed in Japan C1999 1 Published by Quality Assurance Dept ...

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