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Sony CDX-602 - Compact Disc Changer, Service Manual

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Sony CDX-602 - Compact Disc Changer Service Manual Download Page 38

38

CDX-602

8-5. MECHANISM  DECK  SECTION-4

(MG-251B-137)

Ref. No.

Part No.

Description

Remark

Ref. No.

Part No.

Description

Remark

251

1-676-341-11 OP FLEXIBLE BOARD

252

3-025-743-01 SPRING (FEED), LEAF

253

X-3378-101-1 HOLDER (SLED. S) ASSY

254

3-931-832-01 GEAR (SL MIDWAY)

0

255

8-820-103-11 OPTICAL PICK-UP KSS-720A/C-RP

256

A-3291-669-A SHAFT (FEED) ASSY

257

3-010-263-01 DETENT (SHAFT THRUST)

*

258

1-679-422-12 LSW BOARD

259

A-3301-954-B BASE (OPT. S) (J) ASSY

M101

A-3315-151-A SLED MOTOR ASSY (251)

M102

A-3301-998-A SPINDLE MOTOR (S) SUB ASSY

258

256

255

254

253

252

251

257

259

M101

not supplied

not supplied

not supplied

#10

#11

#11

#5

M102

#9

#7

The components identified by mark 

0

 or dotted

line with mark 

0

 are critical for safety.

Replace only with part number specified.

Summary of Contents for CDX-602 - Compact Disc Changer

Page 1: ... 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 Current 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 90 185 mm 10 3 8 3...

Page 2: ...R SUPPLY Section 18 7 3 Note for Printed Wiring Boards and Schematic Diagrams 19 7 4 Printed Wiring Boards RF LSW Boards 20 7 5 Schematic Diagram RF LSW Boards 21 7 6 Printed Wiring Boards MAIN Board Component Side 22 7 7 Printed Wiring Boards MAIN Conductor Side SWITCH Boards 23 7 8 Schematic Diagram MAIN Board 1 2 24 7 9 Schematic Diagram MAIN 2 2 SWITCH Boards 25 7 10 Printed Wiring Boards JACK...

Page 3: ...ré dans le changeur de CD ou si la touche de réinitialisation de l autoradio raccordé est enclenchée l appareil se met automatiquement en marche et reproduit les CD Lorsque tous les CD du chargeur ont été reproduits l appareil s arrête automatiqement Nota Cuando inserta un cargador de discos en el cambiador de discos compactos o si está pulsado el botón de reposición del equipo de audio para autom...

Page 4: ...ø 3 5 mm compruebe que no haya nada en el otro lado de la superficie de montaje Installation Installation Instalación 使用前須注意 請參照下列各項仔細選擇安裝位置 機器不能遭受超過 55 的溫度 例如停駐於炎陽下的汽車內 機器不可直接照射到陽光 機器不可靠近熱源 例如加熱器等 不要讓機器暴露雨中或潮濕處 不要把機器放在多塵或污穢的地方 別讓機器受到強烈的震動 小心別讓攻絲螺釘鑽傷了燃油箱 注意安裝機器位置下面不要有電線束或配管 行李箱中或下面的備胎 工具或其他設備的取存不可受到機器的安裝螺釘或機器 本身的干擾或損傷 為了安裝確實和安全 請限使用附帶的安裝五金件 限使用附帶的螺絲釘 務請在確認安裝面的另一側沒有任何其他物品之後開 ø 3 5 mm 的孔 安裝 BUS AUDI...

Page 5: ...PPER T FRONT PANEL ASSY Page 6 3 3 MECHANISM DECK MG 251B 137 Page 6 3 4 JACK BOARD Page 7 3 9 CHASSIS ASSY Page 9 3 10 RF BOARD Page 10 3 11 SLED MOTOR ASSY 251 M101 OPTICAL PICK UP KSS 720A Page 10 3 12 LSW BOARD SPINDLE MOTOR S SUB ASSY M102 Page 11 3 13 ELJ MOTOR ASSY CHUCKING M103 Page 11 3 7 ESCUTCHEON T Page 8 3 8 CHASSIS U S SUB ASSY Page 9 3 6 ELJ MOTOR ASSY ELEVATOR M104 Page 8 3 5 MAIN ...

Page 6: ...SM DECK MG 251B 137 3 screw PTT2 6 6 4 lever FLT 838 3 screw PTT2 6 6 3 screw PTT2 6 6 1 screw PTT2 6 6 1 screw PTT2 6 6 2 front panel assy 4 lever FLT 838 5 case upper T 2 tension coil spring FL 2 tension coil spring FL 1 two dampers T filament tape 1 two dampers T 3 jack flexible board CNJ901 4 mechanism deck MG 251B 137 ...

Page 7: ...PTT2 6 6 2 jack board 2 Remove two solders of the elevator motor leads M104 2 Remove two solders of the switch board leads 2 Remove three solders of the slide variable resistor RV202 4 heat sink T 3 screw PTT2 4 6 main board 5 two screws FP 1 main flexible board CNJ101 5 screw FP 7 screw PTT2 4 8 slide variable resistor elevator height sensor RV202 ...

Page 8: ... Remove the claw in the direction of arrow A 4 Remove the ditch in the direction of arrow B A B 5 Remove the escutcheon T in the direction of arrow C 4 ditch 3 claw C 3 two claws 1 screw T 1 screw PTT2 4 2 bracket EVM S 4 ELJ motor assy elevator M104 3 spacer MO ...

Page 9: ...SSY 1 three screws PTT2 4 1 screw PTT2 4 1 two screws PTT2 4 4 spring SUT 2 Remove the edge in the direction of arrow A 5 chassis U S sub assy 3 A 6 chassis assy 1 Turn the gear EVD S fully in the direction of arrow A 5 spring stopper lower 4 A 3 2 3 ...

Page 10: ...leads M102 2 Remove two solders of the sled motor leads M101 1 OP flexible board CN102 4 RF board 1 two precision screws P2 3 4 Turn shaft feed assy in the direction of the arrow then remove it 2 sled motor assy 251 M101 OP flexible board adhesive sheet 3 optical pick up KSS 720A optical pick up Note After connecting OP flexible board fix it with adhesive sheet to optical pick up ...

Page 11: ... P1 7 2 2 7 3 spring chucking 6 retainer disc 4 precision screw P2 2 2 5 bracket CP 9 Remove the spindle motor S sub assy M102 in the direction of the arrow 2 LSW board 1 precision screw P2 2 5 2 two screws PTT2 4 3 retainer CHM 4 ELJ motor assy chucking M103 1 Remove two solders of the chucking motor leads M103 ...

Page 12: ...late 1 Move the lever LOCK 3A in the direction of arrow A and return it a little in the direction of arrow B from the position where the chuck plate is moved down to the lower limit A B 3 stop ring 2 0 E type 4 tension spring DH 2 optical pick up complete assy Note Insert the shaft A first shaft A 4 2 OPTICAL PICK UP COMPLETE ASSY Page 12 4 4 OPERATION CHECK Page 13 4 3 GEAR LOMINI LOAD CAM ASSY P...

Page 13: ...e chuck plate up B 4 stop ring 1 5 E type 3 Attach the gear LOAD CAM assy with its facing inside slit 4 4 OPERATION CHECK 1 Confirm that the slider moves in the direction of arrow C to move down the chuck plate if the gear LOAD CAM is rotated in the direction of arrow A or the chuck plate moves up and the slider moves in the direction of arrow D if the gear is rotated in the direction of arrow B c...

Page 14: ...elow 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 at addresses 5 to 6 i...

Page 15: ...ay mode by loading the disc YEDS 18 3 Confirm that oscilloscope waveform is clear and check RF sig nal level is correct or not Note Clear RF signal waveform means that the shape can be clearly distin guished at the center of the waveform When observing the eye pattern set the oscilloscope to AC range and raise the vertical sensitivity so that it may be easily seen GND BUS cable compact disc change...

Page 16: ...tton on the master unit and check the traverse waveform 4 Confirm that the oscilloscope 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 A B 0 V A B traverse waveform 100 track jump waveform VOLT DIV 500 mV TIME DIV 2 ms Center 0 V Traverse waveform oscilloscope DC range T...

Page 17: ...NG MOTOR DRIVE IC201 MOTOR DRIVE COIL DRIVE SERVO AUTO SEQUENCER SERVO INTERFACE 62 LOADF 5 LOADR 6 98 3 XRST 27 SSTP LIM SW SW3 LIMIT 97 LOAD SW SW1 CHUCKING END DETECT ON When the optical pick up is inner position ON When completion of the disc chucking operation 96 SAVE SW SW2 SAVE END DETECT ON When completion of the disc save operation DIGITAL FILTER NOISE SHAPER 70 77 71 76 AOUT1 AOUT2 BUFFE...

Page 18: ...OR IC305 3 3V REGULATOR Q303 305 DAC SERVO 5V Z SW801 51 MAGLK SW 4 ELVF 3 ELVR SW201 MAGAZINE DETECT ON When magazine is set 3 4 9 7 MOTOR DRIVE IN1 IN2 OUT1 OUT2 ELEVATOR MOTOR DRIVE IC301 M M104 ELEVATOR SYSTEM CONTROLLER IC201 2 2 RESET 10 6 9 11 4 1 12 13 2 8 7 SO SI SCK BUSON OUT BUSON OUT RESET DATA 14 CLK LOF BUSON IN RST 16 17 18 45 81 UNI SI UNI SO UNI CK BUSON VCC RESET SIGNAL GENERATOR...

Page 19: ...50 WV or less are not indicated except for electrolytics and tantalums All resistors are in Ω and 1 4 W or less unless otherwise specified f internal component C panel designation A 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 CD PLAY...

Page 20: ...R117 R112 R113 R107 R105 R101 R103 R102 C103 R120 R121 R122 R106 C108 Q102 R119 CNJ101 SW3 LIMIT BLU YEL YEL RED BLK WHT 1 679 422 12 12 M101 SLED M LSW BOARD M103 CHUKING M OPTICAL PICK UP BLOCK KSS 720A OP FLEXIBLE BOARD MAIN FLEXIBLE BOARD MAIN BOARD TP TE TP VC A M102 SPINDLE M BLK RED YEL BLU 1 679 421 12 12 TP RFAC 1 679 421 12 12 B C D E F G H I J K 1 2 3 4 5 6 7 8 9 10 11 12 13 A Semicondu...

Page 21: ...ATIC DIAGRAM RF LSW Boards See page 27 for for Waveforms See page 28 for IC Block Diagrams The components identified by mark 0 or dotted line with mark 0 are critical for safety Replace only with part number specified Page 24 ...

Page 22: ...4 R302 R303 R304 R114 C119 C206 C418 C431 D310 R418 D301 D304 D305 R223 IC303 Q305 Q410 Q420 IC101 Q303 C312 R106 R502 R505 C413 R404 R412 C414 R417 D312 R310 MAIN BOARD COMPONENT SIDE 1 681 576 11 11 B JACK BOARD CNJ901 JACK FLEXIBLE BOARD A RF BOARD CNJ101 MAIN FLEXIBLE BOARD 1 2 3 4 5 6 7 8 9 10 11 12 A B C D E F G H I J K 7 6 PRINTED WIRING BOARDS MAIN Board Component Side See page 19 for Circ...

Page 23: ...TP111 TP112 TP113 TP114 TP115 TP116 TP119 TP120 TP121 TP122 TP123 TP117 TP118 BP202 TP202 TP201 BP301 BP302 TP108 MAIN BOARD CONDUCTOR SIDE CHASSIS CHASSIS CHASSIS M104 ELEVATOR M RED BLK YEL BLU 1 681 576 11 11 SWITCH BOARD 1 681 578 11 11 CHASSIS SW801 Z YEL BLU 1 2 3 4 5 6 7 8 9 10 11 12 A B C D E F G H I J K 7 7 PRINTED WIRING BOARDS MAIN Conductor Side SWITCH Boards See page 19 for Circuit Bo...

Page 24: ...OAD2 FOK GFS GFS FOK EMPH EMPH LIMSW LIMSW LIMSW RF RF RFAC RFAC AA1 AA2 AA3 AA4 VSS LEDDAT LEDCLK VCC LEDLAT NC NC AVCC AVRH AVSS EHS MCK KEY0 KEY1 VSS MD0 MD1 MD2 MAGLK EJECT NC X1A X0A VSS X0 X1 VCC CFSEL TEXTSEL ESPSEL TEST ELVR ELVF LOADF LOADR EECLK EEDAT RAMA5 RAMA6 RAMA7 RAMA12 RAMA14 RAMWE RAMA13 RAMA8 RAMA9 RAMA11 CDON ELVON FOK GFS SCLK SENS BUSON BUCHK SCOR GRSCOR SQSO NC SQCK CDCLK CD...

Page 25: ...712 YG TE85L 47k 1000 16V 0 01 RB521S 30 TE61 RB521S 30 TE61 0 0047 47k UDZS TE17 6 8B 100k 0 1 1SS355TE 17 UDZS TE17 6 2B 0 33 120k 2SC2712 YG TE85L DTA114EKA T146 UN2226 TX 10 16V UN2226 TX 100k 100p 10 16V 0 001 0 1 0 1 0 1 TLV2362IPWR TLV2362IPWR 47 4V 0 1 33k 33k 0 1 47 4V 5 6k 5 6k BA8272AFV E2 LB1930M TLM 0 1 100k RB521S 30 TE61 RH5RL33AA T1 NJM2395AF08 6 8k 6 8k 6 8k 6 8k 12k 12k 12k 220 2...

Page 26: ... COMPONENT SIDE 1 681 577 11 11 JACK FLEXIBLE BOARD MAIN BOARD CN301 JACK BOARD CONDUCTOR SIDE 1 681 577 11 11 4 5 1 2 3 6 7 8 5 4 8 7 6 2 1 3 CONTROL FOR SONY BUS AUDIO OUT L R B 7 10 PRINTED WIRING BOARDS JACK Board See page 19 for Circuit Boards Location 7 11 SCHEMATIC DIAGRAM JACK Board Page 22 Page 25 ...

Page 27: ...qh FE CD play mode 2 IC101 qk TE CD play mode 3 IC101 qg RFAC CD play mode Approx 100 mVp p Approx 250 mVp p 4 2 Vp p 59 1 ns 1 8 Vp p 7 5 µs 3 8 Vp p 250 ns MAIN Board 1 IC101 wh MDP CD play mode 2 IC101 yj XTAO CD play mode 3 IC201 ia X1 CD play mode ...

Page 28: ...C RW ROM VC RW ROM DVC 3 A B C D B C A A A B C D B C D D 1 2 APC AMP 5 6 7 8 9 4 RFAC SUMMING AMP RW ROM APC OFF Hi Z RW ROM H L VOFST VC RW ROM 10 11 GM GM 18 17 16 B D A C 13 14 15 12 EQ IN LD PD GND A B C D AC SUM E F DVCC DVC RFAC SW DC OFST RFDCI RFDCO VC RFC VFC BST RFG VCC CEI CE TE BAL TE FEI FE IC Block Diagrams RF Board IC101 CXA2581N T4 ...

Page 29: ...EF IN VIN1 VREF SW VREF OUT CH1 REG OUT REG IN VIN3 VIN3 VIN3 VIN2 VIN2 VIN2 VIN1 B OUTPUT CONTROL LEVEL SHIFT CH2 4 MUTE THERMAL SHUT DOWN CH1 MUTE VIN1 VREF SWITCH 5VREG 3 4 5 6 7 8 9 2 1 LEVEL SHIFT LEVEL SHIFT 10 11 14 LEVEL SHIFT AMP A AMP B 15 16 17 18 23 19 34 35 36 25 24 22 21 20 33 32 31 30 29 28 27 26 12 13 IC201 LA6576L TE L ...

Page 30: ...XRST 3 SQCK SQSO 5 9 8 7 6 56 60 53 54 55 59 57 58 51 52 48 49 50 47 44 45 46 43 41 42 XLAT CLOK SENS SYSM DATA XUGF XPCK GFS C2PO WFCK 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 32 33 30 31 36 37 34 35 39 40 38 28 27 29 SPOA ATSK SCLK VDD SCOR SPOB XLON XTAI XVDD EMPH AVDD1 AOUT1 AIN1 XTAO XVSS AIN2 AOUT2 AVDD2 RMUT LOUT2 LOUT1 BCK LRCK PCMD LMUT AVSS1 AVSS2 CPU INTERFACE SERVO AUTO SEQUE...

Page 31: ...mode Not used open 26 TX O Output terminal at the flash memory data write mode Not used open 27 NC O Not used open 28 EECLK O Serial data transfer clock signal output to the EEPROM Not used open 29 FL BOOT I Flash memory data write control signal input terminal L active Not used fixed at H 30 31 NC O Not used open 32 EEDAT I O Two way data bus with the EEPROM Not used open 33 AVCC Power supply ter...

Page 32: ...nal input from the SONY bus interface IC302 and reset signal generator IC303 L reset For several hundreds msec after the power supply rises L is input then it changes to H 76 RAMIO2 I O Two way data bus with the S RAM Not used open 77 X1A O Sub system clock output terminal Not used open 78 X0A I Sub system clock input terminal Not used fixed at L 79 VSS Ground terminal 80 X0 I Main system clock in...

Page 33: ...W SEL O CD ROM RW selection signal output L CD RW H CD ROM 100 RAMA4 O Address signal output to the S RAM Not used open 1 elevator motor M104 control STOP ELEVATOR UP ELEVATOR DOWN BRAKE ELVF pin 4 L L H H ELVR pin 3 L H L H Mode Terminal 2 chucking motor M103 control STOP LOAD CHUCKING SAVE BRAKE LOADF pin 5 L L H H LOADR pin 6 L H L H Mode Terminal ...

Page 34: ...ef No Part No Description Remark Ref No Part No Description Remark 1 3 047 852 01 DAMPER T 2 3 045 543 81 CASE LOWER T 3 3 024 065 01 CUSHION EJECT T 4 X 3375 357 1 ARM FLT ASSY 5 1 681 577 11 JACK BOARD 6 3 376 464 11 SCREW PTT 2 6X6 GROUND POINT 7 A 3283 194 A MAIN BOARD COMPLETE 8 1 676 340 12 JACK FLEXIBLE BOARD 9 1 676 339 12 MAIN FLEXIBLE BOARD 10 1 681 578 11 SWITCH BOARD 12 X 3379 707 1 DO...

Page 35: ...NISM DECK SECTION 1 MG 251B 137 Ref No Part No Description Remark Ref No Part No Description Remark 101 X 3378 091 1 CHASSIS U S SUB ASSY 102 3 024 161 01 SPRING SUT 103 3 011 997 01 SPRING STOPPER LOWER 3 3 3 101 102 103 ...

Page 36: ...o Part No Description Remark Ref No Part No Description Remark 151 3 024 170 01 SPRING SB TENSION 152 3 040 790 02 BRACKET EVM S 153 X 3378 092 6 CHASSIS D S SUB ASSY 154 3 014 685 01 SPACER MO M104 A 3301 123 A ELJ MOTOR ASSY ELEVATOR 151 152 154 153 3 M104 ...

Page 37: ...1 BRACKET CHM D ASSY 204 3 321 813 01 WASHER COTTER POLYETHYLENE 205 3 017 139 01 GEAR WORM LOAD A 206 3 022 839 02 ARM NSW 207 3 573 936 00 STOPPER REEL 208 X 3373 552 1 GEAR LOAD CAM ASSY 209 3 010 252 11 ROLLER CRE 210 3 010 268 01 SPRING DH TENSION 211 A 3290 194 L MAIN ASSY CHASSIS EVY 212 3 010 254 11 SHAFT ROTARY PREVENTION C 213 3 010 253 01 GEAR LOMINI 214 A 3326 947 A RF BOARD COMPLETE M...

Page 38: ... 11 OPTICAL PICK UP KSS 720A C RP 256 A 3291 669 A SHAFT FEED ASSY 257 3 010 263 01 DETENT SHAFT THRUST 258 1 679 422 12 LSW BOARD 259 A 3301 954 B BASE OPT S J ASSY M101 A 3315 151 A SLED MOTOR ASSY 251 M102 A 3301 998 A SPINDLE MOTOR S SUB ASSY 258 256 255 254 253 252 251 257 259 M101 not supplied not supplied not supplied 10 11 11 5 M102 9 7 The components identified by mark 0 or dotted line wi...

Page 39: ...µPB uPC µPC uPD µPD CAPACITORS uF µF COILS uH µH The components identified by mark 0 or dotted line with mark 0 are critical for safety Replace only with part number specified When indicating parts by reference number please include the board C115 1 115 466 11 ELECT 1000uF 20 16V C119 1 164 156 11 CERAMIC CHIP 0 1uF 25V C121 1 162 960 11 CERAMIC CHIP 220PF 10 50V C122 1 162 960 11 CERAMIC CHIP 220...

Page 40: ... R222 1 216 833 11 METAL CHIP 10K 5 1 16W R223 1 216 821 11 METAL CHIP 1K 5 1 16W R301 1 216 841 11 METAL CHIP 47K 5 1 16W R302 1 216 845 11 METAL CHIP 100K 5 1 16W R303 1 216 846 11 METAL CHIP 120K 5 1 16W R304 1 216 847 11 METAL CHIP 150K 5 1 16W R305 1 216 845 11 METAL CHIP 100K 5 1 16W R306 1 216 841 11 METAL CHIP 47K 5 1 16W R309 1 216 841 11 METAL CHIP 47K 5 1 16W R310 1 216 845 11 METAL CHI...

Page 41: ...K 0 5 1 10W R122 1 218 847 11 METAL CHIP 1K 0 5 1 10W R201 1 216 826 11 METAL CHIP 2 7K 5 1 16W R202 1 216 833 11 METAL CHIP 10K 5 1 16W R203 1 216 833 11 METAL CHIP 10K 5 1 16W R204 1 216 839 11 METAL CHIP 33K 5 1 16W R205 1 216 833 11 METAL CHIP 10K 5 1 16W R206 1 216 839 11 METAL CHIP 33K 5 1 16W R207 1 216 833 11 METAL CHIP 10K 5 1 16W R208 1 216 839 11 METAL CHIP 33K 5 1 16W R209 1 216 833 11...

Page 42: ...SH TRADITIONAL CHINESE A 3301 944 A MAGAZINE 250T ASSY PARTS FOR INSTALLATION AND CONNECTIONS 501 3 040 583 21 BRACKET T 502 X 3369 824 1 SCREW ASSY 503 1 590 874 11 CORD CONNECTION RCA PIN CORD 5 5m 504 1 590 519 21 CORD WITH CONNECTOR BUS CABLE 5 5m 501 502 PSW4 10 4 TAPPING SCREW DIA 5 20 4 BRACKET 2 503 504 RCA PIN CORD 5 5 m 1 BUS CABLE 5 5 m 1 SCREW ASSY ...

Page 43: ...43 CDX 602 MEMO ...

Page 44: ...TORY Clicking the version allows you to jump to the revised page Also clicking the version at the upper right on the revised page allows you to jump to the next revised page Ver Date Description of Revision 1 0 2001 07 New ...

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