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MICROFILM

SERVICE MANUAL

COMPACT DISC CHANGER

US Model

Canadian Model

AEP Model

UK Model

E Model

Model Name Using Similar Mechanism

NEW

CD Drive Mechanism Type

MG-250B-137

Optical Pick-up Name

KSS-521A/J2N

System

Compact disc digital audio system

Laser diode properties

Material: GaAlAs
Wavelength: 780 nm
Emission Duration: Continuous
Laser out-put Power: Less than 44.6 µW*
* 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 the measurable limit

Signal-to-noise ratio

94 dB

Outputs

BUS control output (8 pins)
Analog audio output (RCA pin)

Currnet drain

800 mA (during CD playback)
800 mA (during loading or ejecting a disc)

Operating temperature

–10˚C to +55˚C (14˚F to 131˚F)

Dimensions

Approx. 262 

×

 90 

×

 181.5 mm

(10 

3

/

8

 

×

 3 

5

/

8

 

×

 7 

1

/

4

 in.)

(w/h/d)
not incl. projecting parts and controls

Mass

Approx. 2.1 kg (4 lb. 10 oz.)

Power requirement

12 V DC car battery (negative ground)

Supplied accessories

Disc magazine (1)
Parts for installation and connections (1 set)

Design and specifications subject to change without notice.

SPECIFICATIONS

CDX-715

Содержание CDX-715 - Compact Disc Changer System

Страница 1: ...e Optical Pick up Block Frequency response 10 20 000 Hz Wow and flutter Below the measurable limit Signal to noise ratio 94 dB Outputs BUS control output 8 pins Analog audio output RCA pin Currnet drain 800 mA during CD playback 800 mA during loading or ejecting a disc Operating temperature 10 C to 55 C 14 F to 131 F Dimensions Approx 262 90 181 5 mm 10 3 8 3 5 8 7 1 4 in w h d not incl projecting...

Страница 2: ...MECHANICAL ADJUSTMENTS 18 6 ELECTRICAL ADJUSTMENTS 19 7 DIAGRAMS 7 1 Block Diagram SERVO Section 21 MAIN Section 23 7 2 Printed Wiring Boards RF Section 25 7 3 Schematic Diagram RF Section 27 7 4 Printed Wiring Board MAIN Section MAIN Board Component side 29 MAIN Section MAIN Board Conductor side 31 7 5 Schematic Diagram MAIN Section MAIN Board 1 2 33 MAIN Section MAIN Board 2 2 35 7 6 Printed Wir...

Страница 3: ...ER assembly beforehand 1 Press the lever stop ass y to arrow direction 2 Removal the magazine ass y Note Take out the magazine only when the tray is completely within the magazine If the disc or tray is sticking out turn on the power and eject the magazine Lever stop ass y Magazine ass y ...

Страница 4: ... 5 6 SECTION 2 GENERAL This section is extracted from instruction manual ...

Страница 5: ... 7 ...

Страница 6: ...he numerical order given SECTION 3 DISASSEMBLY 1 screw PTT2 6 6 1 screw PTT2 6 6 1 screw PTT2 6 6 1 screw PTT2 6 6 1 screw PTT2 6 6 2 case upper 3 lever FL 3 lever FL 4 front panel ass y 3 jack flexible board CN901 1 two dampers 250 2 spring FL 4 mechanism deck MG 250B 137 2 spring FL 1 two dampers 250 ...

Страница 7: ...BOARD Remove the JACK board of the arrow 2 JACK board 1 ground point screw PTT2 6 6 1 main flexible board CNJ12 5 screw P1 4 3 0 5 screw P1 7 2 5 4 heat sink 3 screw BVTT2 4 2 connector CNP301 7 MAIN board 6 three screws ...

Страница 8: ...S Y M104 ESCUTCHEON 1 screw P2 2 2 2 bracket ELV motor 3 elevator motor ass y 1 screw M2 3 4 ditch 3 two claws 2 Remove the claw of the arrow A 4 Remove the ditch of the arrow B 5 Remove the escutcheon of the arrow C A B C ...

Страница 9: ... the case upper ass y of the arrow B 4 screw B2 3 3 spring stopper upper 4 two screws B2 3 6 Remove the edge of the arrow A 2 bracket stopper upper 1 screw P2 2 2 5 A B 1 stop ring 2 0 E type 2 washer 6 spring stopper lower 3 polyethylene washer 5 chassis ass y 4 4 ...

Страница 10: ...ARD 5 two connectors CNP11 503 4 RF board 3 two screws PS2 4 1 OP flexible board CNJ11 2 two screws PS2 4 5 connector CNP52 4 Turn at the direction of the arrow then remove shaft sled ass y 3 optical pick up KSS 521A J2N 2 sled motor ass y M102 1 two screws P2 3 ...

Страница 11: ... Y M101 2 SW board 1 screw P2 2 2 9 Remove the spindle motor ass y M101 of the arrow 5 bracket CP 4 screw P2 2 2 6 retainer disc 3 spring chucking 8 two screws P1 7 2 2 7 2 two screws P2 2 5 3 bracket load motor 4 chucking motor ass y M103 1 connector CNP51 ...

Страница 12: ...e is moved down to the lower limit 2 polyethylene washer 5 tension spring DH 4 stop ring 2 0 E type 3 optical pick up complete ass y Note Insert the shaft A first chuck plate shaft A B A 2 Attach the gear LOMINI at the position shown in Fig A 1 Move the lever LOCK 3 fully in direction B to move the chuck plate up 3 Attach the gear LOAD 1 ass y with its facing inside 4 stop ring 1 5 E type B gear L...

Страница 13: ...der gear LOAD 1 ass y 1 Confirm that the slider moves in direction C to move down the chuck plate if the gear LOAD 1 is rotated in direction A or the chuck plate moves up and the slider moves in direction D if the gear is rotated in direction B ...

Страница 14: ...1 Move the lever STOP ass y in direction A until it gets stopped 2 slider L 3 washer 3 washer 4 polyethyelene slider 1 slider R 5 polyethyelene washer 2 Engage the slots of slider R with the shafts case lower ass y slider R ...

Страница 15: ... ELV 3 Note After mounting the gear confirm that the holes for phase adjustment are not shifted 2 retaining ring 4 retaining ring 3 gear ELV 2 5 tension spring STOP LEVER 1 Sliding the sliders L R in the arrow direction meet holes a and b of the sliders L R with holes c and d of the case LOWER ass y ...

Страница 16: ...s 5 and 6 as shown below adjust the following 5 Press repeatedly the DISC and buttons on the master unit so that the elevator shafts moves from address 6 to address 5 or from 5 to 6 At this time adjust RV201 on the main board so that the elevator shaft positions smoothly between comb teeth A and B 6 Further place the set horizontally and make same adjustment as mentioned above 7 After adjustment a...

Страница 17: ...cilloscope waveform is symmetrical on the top and bottom in relation to 0 V dc and check this level Traverse waveform This is the tracking error wave form appears when crossing the track RF signal waveform VOLT DIV 200 mV TIME DIV 500 nsec level 1 4 0 3 Vp p TP VC IC11 IC51 CNJ12 BP11 TE oscilloscope A B 0 V A B traverse waveform 100 track jump waveform VOLT DIV 500 mV TIME DIV 2 msec Center 0 V F...

Страница 18: ... CD DATA CD CLK CD XLT SCOR MON MDP MDS 29 LOCK 64 SQSO SQCK SENS DATA CLOCK XLAT SCOR SBSO EXCK GFS GTOP WFCK EMPH C4M XRST RFI FOK DATA CLK SENS1 26 SENS2 C OUT XLT LOCK XRST PD2 I V AMP PD2 TTL IIL FEO TEO PD FEI FEO TAO TEI TTL IIL TTL IIL FOCUS ERROR AMP RF SUMMING AMP TRACKING ERROR AMP TRACKING PHASE COMPENSATION FOCUS PHASE COMPENSATION AUTOMATIC POWER CONTROL Q11 I V AMP LD AMP PD AMP FE ...

Страница 19: ...TOR Q303 B SWITCH Q304 305 5V REGULATOR IC305 MICON 5V MICON 5V D313 RESET SIGNAL GENERATOR IC304 X201 8MHz DAC 5V SERVO 5V MICON 5V MICON 5V RST 05 SYSTEM CONTROLLER IC201 2 2 Page 22 C Page 22 CN901 2 2 BUS CONTROL CONNECTOR FOR SONY BUS SIGNAL PATH CD PLAY LEVEL SHIFT D307 BATTERY CHECK Q301 302 D308 D306 9V REGULATOR IC303 REFERENCE VOLTAGE SWITCH Q201 LINEAR POSITION SENSOR D309 9V D311 12 1 ...

Страница 20: ... to normal produc tion tolerances Waveforms are taken with a oscilloscope Voltage variations may be noted due to normal produc tion tolerances Circled numbers refer to waveforms Signal path J CD Note The components identi fied by mark or dotted line with mark are criti cal for safety Replace only with part number specified Note Les composants identifiés par une marque sont critiques pour la sécuri...

Страница 21: ...CDX 715 27 28 7 3 SCHEMATIC DIAGRAM RF Section See page 25 for Note on Schematic Diagram See page 39 for Waveforms See page 41 and 42 for IC Block Diagrams ...

Страница 22: ...202 D 8 IC301 F 3 IC302 F 5 IC304 G 4 IC401 B 5 IC402 C 5 IC403 B 4 IC601 E 5 Q201 E 8 Q301 G 4 Q302 G 4 Q303 F 4 Q304 B 2 Q601 C 3 Q602 C 3 Q610 D 3 Q620 C 3 29 30 Semiconductor Location Component Side Ref No Location 7 4 PRINTED WIRING BOARD MAIN Section MAIN Board Component Side See page 32 for Note on Printed Wiring Board See page 33 to 36 for Schematic Diagram ...

Страница 23: ...s extracted from the component side Y parts extracted from the conductor side r Through hole internal component b Pattern from the side which enables seeing The other layers patterns are not indicated Caution Pattern face side Parts on the pattern face side seen from Conductor Side the pattern face are indicated Parts face side Parts on the parts face side seen from Component Side the parts face a...

Страница 24: ... MAIN Section MAIN Board 1 2 See page 39 and 40 for Waveforms See page 42 to 44 for IC Block Diagrams See page 45 and 46 for IC Pin Function Description See page 36 for Note on Schematic Diagram See page 29 to 32 for Printed Wiring Board ...

Страница 25: ...erwise specified internal component U B Line H adjustment for repair Power voltage is dc 14 4V and fed with regulated dc power supply from CD changer controller Voltages and waveforms are dc with respect to ground under no signal conditions no mark PLAY Impossible to measure Voltages are taken with a VOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Wav...

Страница 26: ...rman model Note on Printed Wiring Board X parts extracted from the component side p parts mounted on the conductor side r Through hole b Pattern from the side which enables seeing The other layers patterns are not indicated Note on Schematic Diagram All capacitors are in µF unless otherwise noted pF µµF 50 WV or less are not indicated except for electrolytics and tantalums All resistors are in Ω a...

Страница 27: ... 2 FEI 50 mV DIV 1 µsec DIV 3 IC11 TEI 200 mV DIV 500 µsec DIV MAIN Board 1 2 1 IC101 MDP 2 IC101 ª WDCK 3 IC101 º LRCK 4 IC101 BCKO 5 IC101 RFCK 1 4 0 3 Vp p Approx 110 mVp p Approx 280 mVp p 2 5 Vp p 3 8 µs 5 Vp p 11 4 µs 5 Vp p 22 5 µs 6 Vp p 472 ns 5 Vp p 136 5 µs ...

Страница 28: ... ª XTAI 8 IC201 EXTAL 9 IC401 BCK 0 IC401 ª LRCK IC102 0 BCKO IC102 LRCKO MAIN Board 2 2 IC601 XI 5 Vp p 137 µs 4 5 Vp p 59 ns 3 3 Vp p 124 5 ns 5 9 Vp p 472 ns 5 8 Vp p 22 8 µs 5 3 Vp p 472 ns 5 3 Vp p 22 6 µs 2 9 Vp p 59 ns ...

Страница 29: ...TL IIL IIL TTL IIL TTL IIL DATA REGISTER INPUT SHIFT REGISTER ADDRESS DECODER SENS SELECTOR OUTPUT DECODER DFCTO IFB1 6 BAL1 4 TOG1 4 FS1 4 TG1 2 TM1 7 PS1 4 FOH FOL TGH TGL BALH BALL ATSC TZC FZC FSET TG2 VEE VCC FS1 FS2 FOCUS PHASE COMPENSATION DFCT FS4 TRACKING PHASE COMPENSATION TG1 TM1 DFCT FZC COMP VEE VCC VCC TDFCT TZC COMP ATSC WINDOW COMP E F BALANCE WINDOW COMP TRK GAIN WINDOW COMP FO BI...

Страница 30: ... CPU INTERFACE SERVO AUTO SEQUENCER ERROR CORRECTOR 16K RAM DIGITAL OUT OSC EFM DEMODULATOR TES6 VDD VSS EXCK SBSO SCOR WFCK TES5 EMPH DOUT C4M FSTT XTSL MNT0 MNT1 MNT3 XROF C2PO RFCK GFS XPCK XUGF GTOP VDD VSS TES4 BCK TES3 PCMD TES9 LRCK WDCK ASYE ASYO ASYI BIAS RF AVDD CLTV AVSS FILI FILO PCO VCTL V16M VCKI VPCO1 VPCO2 TES1 TES0 LOCK PWMI MDP MDS VSS MON FOK VDD SPOD XLON SPOB SPOC CLKO SPOA DA...

Страница 31: ...S RESET BUS DATA VREF BUS CLK GND BUS ON IN BUS ON OUT RESET RESET SWITCH VWA ADDRESS MONITOR WRITE BASE COUNTER READ BASE COUNTER CPU I F SELECTOR TIMING GEN DSP I F DATA LINKING CONTROL DAC I F DIGITAL OUT 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 56 55 54 53 52 51 50 49 48 47 57 58 59 60 61 62 63 64 XWIH AM4 ...

Страница 32: ...A9 A4 A5 A6 A7 A8 NC NC NC XOE XCAS D3 D4 GND VDD ADDRESS BUFFER ROW DECODER DIGITAL FILTER CIRCUIT ATTENUATOR OPERATIONAL CIRCUIT DEEMPHASIS FILTER CIRCUIT D MODULATION CIRCUIT INTERFACE CIRCUIT TEST CIRCUIT OUTPUT CIRCUIT ANALOG FILTER TIMING GENERATOR OSC MICROCOMPUTER INTERFACE CIRCUIT OUTPUT CIRCUIT ANALOG FILTER 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 21 22 23 24 LRCK BCK DATA HS ...

Страница 33: ...bcode Q OK pulse signal output to the CXD2522Q IC401 L active 27 SDTI I ESP status signal input from the CXD2522Q IC401 28 XSOE O ESP status read enable signal output to the CXD2522Q IC401 L active 29 ESPXLT O ESP latch pulse signal output to the CXD2522Q IC401 L active 30 RST I 31 EXTAL I Main system clock input terminal 8 MHz 32 XTAL O Main system clock output terminal 8 MHz 33 VSS Ground termin...

Страница 34: ...30Q IC101 64 EJECT I Eject switch SW301 input terminal H active 65 CD CLK O Serial data transfer clock signal output to the CXD2530Q IC101 and CXD2522Q IC401 66 CD XLT O Serial data latch pulse signal output to the CXD2530Q IC101 67 CD DATA O Serial data output to the CXD2530Q IC101 and CXD2522Q IC401 68 CD ON O D A converter and servo section power supply on off control signal output H power on 6...

Страница 35: ...r Indication of Appearance Parts Example KNOB BALANCE WHITE RED Parts Color Cabinet s Color Ref No Part No Description Remark Ref No Part No Description Remark 1 CASE SECTION 1 3 010 104 01 DAMPER 250 2 3 010 097 01 CASE LOWER 3 1 664 628 11 JACK FLEXIBLE BOARD 4 1 668 857 11 JACK BOARD 5 X 3373 217 1 DOOR ASSY 6 X 3373 986 1 ARM FR ASSY 7 3 010 098 81 PANEL FRONT 8 3 012 388 01 SCREW M2X3 9 3 010...

Страница 36: ...PER UPPER 54 X 3373 243 1 CASE UPPER ASSY 55 3 010 217 01 SPRING EJ TENSION 56 3 010 162 01 LEVER EJECT 57 3 011 998 01 BRACKET STOPPER UPPER 58 3 010 240 01 SLIDER L 59 3 011 997 01 SPRING STOPPER LOWER 60 3 014 603 01 WASHER 61 3 736 073 01 SLIDER POLYETHYLENE 62 3 701 438 21 WASHER THRUST 63 3 578 224 00 WASHER 66 3 013 503 01 SPRING EJ1 TENSION 51 52 53 54 55 56 57 58 59 60 61 62 63 66 51 6 6 ...

Страница 37: ... 211 01 GEAR WORM ELV 106 3 336 319 01 RING RETAINING 107 3 010 175 01 GEAR ELV 1 108 3 010 239 01 GEAR ELV 2 109 3 362 579 01 RING RETAINING 110 3 010 249 01 GEAR ELV 3 111 3 016 916 01 BRACKET WORM RETAINER 112 3 014 681 01 SHAFT WORM RETAINER 113 3 014 685 01 SPACER MO 114 3 014 389 01 SPACER LSW 115 3 014 683 01 SPACER PB 116 3 315 483 00 SPACER M104 A 3301 123 A ELJ MOTER ASSY ELEVATOR 10 14 ...

Страница 38: ...Y INCLUDING rA 156 3 573 936 00 STOPPER REEL 157 3 010 255 01 ARM LSW 158 A 3313 586 A RF BOARD COMPLETE 159 A 3290 155 A CHASSIS EVT MAIN ASSY 160 3 701 438 11 WASHER 2 5 167 3 010 254 01 SHAFT ROTARY PREVENTION C 168 3 010 253 01 GEAR LOMINI 170 3 911 215 02 SHEET LEAD RETAINER 171 3 010 252 01 ROLLER CRE 172 3 010 268 01 SPRING DH TENSION M103 A 3291 953 A MOTOR ASSY EL CHUCKING 151 159 158 157...

Страница 39: ...20 010 05 OPTICAL PICK UP KSS 521A J2RP 210 1 664 626 11 OP FLEXIBLE BOARD 211 3 010 262 01 DETENT SLED 212 3 920 362 01 SCREW ESCUTCHEON M101 A 3291 956 A MOTOR SUB ASSY SPINDLE M102 A 3291 955 A MOTOR SUB ASSY SLED 201 212 211 210 209 207 206 205 204 203 202 M101 M102 4 11 5 9 5 The components identified by mark or dotted line with mark are critical for safety Replace only with part num ber spec...

Страница 40: ...1 TANTAL CHIP 4 7uF 20 20V C107 1 164 232 11 CERAMIC CHIP 0 01uF 50V C108 1 163 038 00 CERAMIC CHIP 0 1uF 25V C109 1 163 038 00 CERAMIC CHIP 0 1uF 25V C111 1 163 038 00 CERAMIC CHIP 0 1uF 25V C112 1 164 360 11 CERAMIC CHIP 0 1uF 16V C113 1 164 360 11 CERAMIC CHIP 0 1uF 16V C114 1 164 360 11 CERAMIC CHIP 0 1uF 16V C115 1 163 038 00 CERAMIC CHIP 0 1uF 25V C116 1 163 009 11 CERAMIC CHIP 0 001uF 10 50...

Страница 41: ...FN EL TRANSISTOR Q201 8 729 020 67 TRANSISTOR XN1A312 TX Q301 8 729 027 31 TRANSISTOR DTA124EKA T146 Q302 8 729 230 49 TRANSISTOR 2SC2712 YG Q303 8 729 822 05 TRANSISTOR 2SD1622 ST TD Q304 8 729 901 00 TRANSISTOR DTC124EK Q305 8 729 016 83 TRANSISTOR 2SB1446 Q601 8 729 901 00 TRANSISTOR DTC124EK Q602 8 729 027 23 TRANSISTOR DTA114EKA T146 Q610 8 729 015 39 TRANSISTOR DTC323TK Q620 8 729 015 39 TRA...

Страница 42: ... 4 7uF 20 25V C32 1 164 677 11 CERAMIC CHIP 0 033uF 10 16V C33 1 162 915 11 CERAMIC CHIP 10PF 0 5PF 50V C34 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C35 1 104 700 11 CERAMIC CHIP 0 027uF 10 16V C36 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C37 1 109 982 11 CERAMIC CHIP 1uF 10 10V C38 1 104 913 11 TANTAL CHIP 10uF 20 16V C39 1 163 038 00 CERAMIC CHIP 0 1uF 25V C40 1 109 982 11 CERAMIC CHIP 1uF 10 10V ...

Страница 43: ...BOARD SWITCH SW1 1 572 688 11 SWITCH PUSH 1 KEY LIMIT MISCELLANEOUS 3 1 664 628 11 JACK FLEXIBLE BOARD 16 1 664 627 11 MAIN FLEXIBLE BOARD 209 8 820 010 05 OPTICAL PICK UP KSS 521A J2RP 210 1 664 626 11 OP FLEXIBLE BOARD M101 A 3291 956 A MOTOR SUB ASSY SPINDLE M102 A 3291 955 A MOTOR SUB ASSY SLED M103 A 3291 953 A MOTOR ASSY EL CHUCKING M104 A 3301 123 A ELJ MOTER ASSY ELEVATOR HARDWARE LIST 1 7...

Страница 44: ... 56 CDX 715 Sony Corporation Personal Mobile Communication Company 9 925 691 11 98A0575 1 Printed in Japan 1998 1 Published by Quality Assurance Dept ...

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