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Model Name Using Similar Mechanism

NEW

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-62

MINIDISC CHANGER

MICROFILM

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 

×

 130 mm

(7 

×

 3 

3

/

8

 

×

 5 

1

/

8

 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

• Electrical adjustment of this set is automatically performed.

• 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.

• The Digital D-BASS function* creates an even

sharper and more powerful sound than Analog
D-BASS.

This unit supports Digital D-BASS function if the

master unit also has Digital D-BASS function.

FEATURES

Summary of Contents for MDX-62

Page 1: ... 5 130 mm 7 3 3 8 5 1 8 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 Electric...

Page 2: ...potential difference generated by the charged electrostatic load etc on clothing and the human body During repair pay attention to electrostatic breakdown 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 The laser beam on this model is concentrated so as to...

Page 3: ... 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 BP1 BP2 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 master u...

Page 4: ... 4 5 SECTION 2 GENERAL This section extracted from US Canadian E model s instruction manual ...

Page 5: ... 6 7 ...

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

Page 7: ... 9 3 3 PANEL FRONT ASSY 1 claw 2 claw 3 panel front assy 4 CN620 3 4 MD BLOCK 1 damper 798 2 damper 798 3 tension spring FL 4 tension spring FL 5 tension spring FL 6 MD block ...

Page 8: ... CN700 CN701 CN603 CN601 0 CN600 CN500 9 CN602 MAIN board cushion 8 sheet MAIN PC board 2 screws M1 7 special flat screws 1 7x3 4 screws M1 7 3 6 CHASSIS OP BLOCK 4 bearing ELV 6 bearing ELV 5 chassis OP block 3 chassis bottom assy 2 precision screws P1 7x1 8 1 precision screws P1 7x1 8 ...

Page 9: ... 11 3 7 SERVO BOARD 1 CN200 3 CN100 5 CN300 4 CN400 2 screws M1 7x2 2 7 SERVO board 6 Unsolder the motor lead wires 3 8 OPTICAL PICK UP 1 screws K1 7x3 5 2 optical pick up ...

Page 10: ...A A 1 Turn the three feed screw ELV assy fully in the direction of arrows A 8 Turn the three gear ELVB fully in the direction of arrows B 4 bearing ELV 7 precision screws P1 7x1 8 6 precision screw P1 7x1 8 5 chassis bottom assy 3 chassis OP block 2 bearing ELV gear ELVC 9 gear ELVA2 polyethylene washer 0 polyethylene washer ...

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: ... used 21 CC 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 Erro...

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: ... 16 4 2 CIRCUIT BOARDS LOCATION SENSOR board POWER board SERVO board LAMP board MAIN board ...

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Page 22: ...ODE 100 mV DIV 10 µ sec DIV Approx 150 mVp p 4 IC100 1 2 I J PLAY MODE 100 mV DIV 10 µ sec DIV 150 mVp p 5 IC100 RF PLAY MODE 500 mV DIV 1 µ sec DIV Approx 1 1 Vp p 6 IC100 IC200 FE PLAY MODE 200 mV DIV 0 5 msec DIV 400 mVp p 7 IC100 IC200 TE PLAY MODE 500 mV DIV 0 5 msec DIV 2 0 Vp p 8 IC200 LRCK 3 2 Vp p 22 7 µs 3 2 Vp p 354 ns 9 IC200 XBCK º IC200 OSCI 2 8 Vp p 44 3 ns ...

Page 23: ... 36 Main Section 1 IC600 º X2 2 7 Vp p 71 ns 2 IC600 XT1 2 6 Vp p 30 4 µs 3 IC500 4 LRCK 2 8 Vp p 22 7 µs 4 IC500 6 BCK 2 8 Vp p 354 ns 5 IC500 1 XT1 3 2 Vp p 89 ns ...

Page 24: ...D 26 TE 25 WBLADJ 24 VCC 23 3TADJ 22 EQADJ 21 VREF 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 WB...

Page 25: ... 14 XINT 13 RECP 12 DQSY 11 SQSY 10 XRST 9 SENS 8 SRDT 7 XLAT 6 SCLK 5 SWDT 4 MNT3 3 MNT2 2 MNT1 1 MNT0 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...

Page 26: ...DIGITAL SIGNAL PROCESSOR OUTPUT INTERFACE SYSTEM CLOCK INPUT INTERFACE SEQUENTIAL CONTROL MUTE CONTROL MODE CONTROL LRCI BCKI DI CLK VSS RSTN TESTN MUTEN DB DS MOD2 MOD1 OPT VDD LRCO BCKO DOUT 1 2 3 4 5 6 7 8 9 10 GND IN1 VCC IN2 GND N C OUT2 VS OUT1 N C CONTROL LOGIC IC900 BA8272F E2 Power Section 1 2 3 4 5 6 7 8 9 10 14 13 12 11 VCC BUS ON LINK OFF CLK OUT DATA OUT DATA IN BUS RESET BUS DATA VRE...

Page 27: ...fiés 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 3375 299 1 DOOR P ASSY 2 3 930 744 01 SPACER DOOR 3 3 831 441 11 CUSHION RATTLE ABSORBER 4 X 3375 298 1 DOOR S ASSY 5 X 3375 297 1 PANEL FRONT ASSY 6 1 669 541 11 LAMP BOARD 7 3 909 607 01 SCRE...

Page 28: ...9 412 01 SCREW P 1 7X2 TYPE 3 55 A 3313 712 A SENSOR BOARD COMPLETE 56 3 348 750 01 CUSHION DAMPER 57 3 715 973 01 CUSHION 58 3 931 699 01 CUSHION ROLL H 59 3 931 025 01 SHEET MECHANISM DECK 60 3 931 698 01 CUSHION ROLL L 61 1 668 438 11 MAIN FLEXIBLE BOARD 62 3 880 990 00 SCREW 1 7X3 FLAT SPECIAL 63 4 952 141 01 CUSHION SPEAKER 59 58 57 56 55 54 53 63 52 51 62 not supplied 61 56 60 MG 798K 133 56...

Page 29: ... X 3374 673 1 BRACKET LD2 ASSY 111 3 930 365 01 WHEEL LD WORM 112 3 377 719 11 WASHER POLYETHYLENE 113 3 930 317 01 GEAR LD 114 X 3374 670 1 CHASSIS BOTTOM ASSY 115 3 930 313 01 GEAR ELVC 116 3 020 386 01 GEAR ELVA2 117 3 020 363 01 WHEEL ELV2 WORM 118 3 741 875 01 SHEET RUBBER M903 X 3371 508 2 MOTOR ASSY LD LOADING M904 X 3374 812 1 MOTOR ASSY ELV ELEVATOR S902 1 570 771 11 SWITCH LOADING END SE...

Page 30: ...930 318 51 BUTTON EJECT 6 6 159 3 930 354 01 LEVER DISC EJECT 160 3 377 719 11 WASHER POLYETHYLENE 161 3 930 350 01 SPRING EJ TORSION 162 X 3371 216 1 HOLDER CADDIE ASSY 163 3 930 352 01 SPRING D LOCK TENSION 164 X 3374 672 1 SLIDER 2 ASSY LOADING 165 3 930 366 01 RACK LOADING 166 3 930 360 01 SPRING LIMITER TORSION 167 X 3374 671 1 CHASSIS REAR 2 ASSY 168 3 930 349 01 SPRING LOCK TORSION 169 X 33...

Page 31: ...LV2 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 RETAINER SP 215 3 930 336 01 HOLDER SLB 216 3 930 335 01 DETENT SL 217 X 3371 213 1 HOLDER SLA ASSY 218 X 3371 214 1 SCREW SL ASSY FEED 219 3 930 331 01 GUIDE OPA 220 3 020 346 01 SPRING SL OUTSERT 2 FEED 221 8 583 037 02 PICK UP OPTICAL KMS 241A J2N 222 A 3294 337 A SERV...

Page 32: ...C530 1 107 826 11 CERAMIC CHIP 0 1uF 10 16V C531 1 162 975 11 CERAMIC CHIP 24PF 5 50V C540 1 107 826 11 CERAMIC CHIP 0 1uF 10 16V C541 1 107 826 11 CERAMIC CHIP 0 1uF 10 16V C600 1 104 852 11 TANTAL CHIP 22uF 20 10V C601 1 107 826 11 CERAMIC CHIP 0 1uF 10 16V C602 1 162 917 11 CERAMIC CHIP 15PF 5 50V C603 1 162 917 11 CERAMIC CHIP 15PF 5 50V C604 1 107 826 11 CERAMIC CHIP 0 1uF 10 16V C605 1 107 8...

Page 33: ...P 1K 5 1 16W R622 1 216 845 11 METAL CHIP 100K 5 1 16W R623 1 216 821 11 METAL CHIP 1K 5 1 16W R624 1 216 845 11 METAL CHIP 100K 5 1 16W R625 1 216 821 11 METAL CHIP 1K 5 1 16W R626 1 216 825 11 METAL CHIP 2 2K 5 1 16W R627 1 216 821 11 METAL CHIP 1K 5 1 16W R628 1 216 825 11 METAL CHIP 2 2K 5 1 16W R800 1 216 815 11 METAL CHIP 330 5 1 16W R801 1 216 829 11 METAL CHIP 4 7K 5 1 16W R802 1 216 815 1...

Page 34: ... TRANSISTOR DTC314TKH04 Q920 8 729 920 21 TRANSISTOR DTC314TKH04 Q930 8 729 020 67 TRANSISTOR XN1A312 TX Q931 8 729 920 85 TRANSISTOR 2SD1664 QR Q932 8 729 424 12 TRANSISTOR UN2112 Q940 8 729 230 49 TRANSISTOR 2SC2712 YG Q941 8 729 424 12 TRANSISTOR UN2112 Q950 8 729 920 85 TRANSISTOR 2SD1664 QR Q970 8 729 106 60 TRANSISTOR 2SB1115A Q972 8 729 822 84 TRANSISTOR 2SB1202FAST RESISTOR R900 1 216 089 ...

Page 35: ... CERAMIC CHIP 0 1uF 10 16V C304 1 107 826 11 CERAMIC CHIP 0 1uF 10 16V C305 1 107 826 11 CERAMIC CHIP 0 1uF 10 16V C306 1 107 826 11 CERAMIC CHIP 0 1uF 10 16V C400 1 107 826 11 CERAMIC CHIP 0 1uF 10 16V C401 1 107 826 11 CERAMIC CHIP 0 1uF 10 16V CONNECTOR CN100 1 573 929 11 CONNECTOR FFC FPC ZIF 20P CN200 1 573 370 21 CONNECTOR FFC FPC 30P CN300 1 770 619 11 PIN CONNECTOR 2P CN400 1 573 346 21 CO...

Page 36: ... SL SLED M903 X 3371 508 2 MOTOR ASSY LD LOADING M904 X 3374 812 1 MOTOR ASSY ELV ELEVATOR RV901 1 223 817 11 RES VAR SLIDE 10K ELEVATOR HEIGHT SENSOR S901 1 570 771 21 SWITCH HOME POSITION DET S902 1 570 771 11 SWITCH LOADING END SENSOR DET S903 1 570 771 21 SWITCH STORE END SENSOR DET ACCESSORIES PACKING MATERIALS 3 862 246 11 MANUAL INSTRUCTION ENGLISH FRENCH SPANISH CHINESE US Canadian E 3 862...

Page 37: ... 50 Sony Corporation Personal Mobile Communication Company 9 925 786 11 MDX 62 98A0482 1 Printed in Japan C1998 1 Published by Quality Assurance Dept ...

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