Sony CDX-CA680X Service Manual Download Page 22

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CDX-CA680X/L580X

3-9. SCHEMATIC DIAGRAM — MAIN SECTION (1/2) — • Refer to page 17 for Waveforms and page 18 for Common Note on Schematic Diagram.

• Refer to page 27 for IC Block Diagrams.

Note:

• Voltage is dc with respect to ground under no-signal

(detuned) condition.
no mark : FM
(

) : MW

> : CD PLAY

∗

: Impossible to measure

(Page 23)

IC B/D

C51

C412

C479

C631

C758

D752

D755

D756

D757

D759

D760

R60

R406

R407

R408

R409

R431

R433

R441

R443

R451

R453

R461

R463

R479

R480

R752

R61

R62

D761

D762

R452

R442

R462

R54

R634

R633

R654

R653

R651

D651

D751

D758

D753

D754

JC29

C64

C59

C62

C61

C58

C56

C54

C421

C404

C405

JC406

JC407

JW95

JW97

C420

C413

JC441

JC431

C432

C452

C442

C462

JC755

C480

R631

JC754

JC753

C751

C765

C764

C617

C602

C618

R652

D480

Q479

Q478

JC479

JC444

Q461

Q441

JC59

JC1

C57

Q451

R432

Q431

Q631

Q651

JC756

D609

D601

C401

C406

C407

C756

R756

X51

R57

R56

R636

TU1

R29

Q22

R402

R401

C409

JC409

C408

C411

R403

C410

R404

C402

C403

D479

F901

J330

CN330

C335

C330

C331

C332

C333

R330

R331

R333

R332

C334

C753

R609

L601

R632

C759

C760

C761

C757

C754

C11

IC401

C755

CN601

IC750

JC651

JC631

JC609

C451

C431

C441

C461

C55

C601

R405

IC51

Summary of Contents for CDX-CA680X

Page 1: ... LW 40 µV Power amplifier section Outputs Speaker outputs sure seal connectors Speaker impedance 4 8 ohms Maximum power output 50 W 4 at 4 ohms SPECIFICATIONS General Outputs Audio outputs front CDX CA680X only Audio outputs rear Power aerial relay control terminal Power amplifier control terminal Inputs Telephone ATT control terminal Remote controller input terminal BUS control input terminal CDX...

Page 2: ...ore than 30 cm away from the objective lens Notes on Chip Component Replacement Never reuse a disconnected chip component Notice that the minus side of a tantalum capacitor may be dam aged by heat SERVICE NOTES This label is located on the bottom of the chassis This label is located on the drive unit s internal chassis When replacing the chassis T U of mechanism deck which have the CAUTION LABEL a...

Page 3: ...temperature regulator should be set to about 350 C Caution The printed pattern copper foil may peel away if the heated tip is applied for too long so be careful Strong viscosity Unleaded solder is more viscous sticky less prone to flow than ordinary solder so use caution not to let solder bridges occur such as on IC pins etc Usable with ordinary solder It is best to use only unleaded solder but un...

Page 4: ...ection 16 3 5 Circuit Boards Location 17 3 6 Printed Wiring Boards CD Mechanism Section 18 3 7 Schematic Diagram CD Mechanism Section 20 3 8 Printed Wiring Board Main Section 21 3 9 Schematic Diagram Main Section 1 2 22 3 10 Schematic Diagram Main Section 2 2 23 3 11 Printed Wiring Board Relay Section 24 3 12 Printed Wiring Board Key Section 25 3 13 Schematic Diagram Key Section 26 3 14 IC Block D...

Page 5: ...5 CDX CA680X L580X SECTION 1 GENERAL This section is extracted from instruction manual ...

Page 6: ...6 CDX CA680X L580X Connections ...

Page 7: ...al order given 2 1 SUB PANEL ASSY 2 1 SUB PANEL ASSY Page 7 2 2 CD MECHANISM BLOCK Page 8 2 5 CHASSIS T U ASSY Page 9 2 6 DISC IN BOARD Page 10 2 8 SHAFT ROLLER ASSY Page 11 2 9 FLOATING BLOCK ASSY Page 11 2 10 OPTICAL PICK UP BLOCK Page 12 SET 2 7 SERVO BOARD Page 10 2 3 MAIN BOARD Page 8 2 4 HEAT SINK Page 9 4 CN702 5 sub panel assy 3 claws 2 claws 1 PTT 2 6x6 ...

Page 8: ...X L580X 2 2 CD MECHANISM BLOCK 2 3 MAIN BOARD 1 PTT 2 6x6 6 PTT 2 6x4 7 bracket CD 2 PTT 2 6x6 5 CD mechanism block 4 CNP301 3 1 PTT 2 6x6 3 PTT 2 6x6 ground point 4 PTT 2 6x6 ground point 5 MAIN board 2 PTT 2 6x6 ...

Page 9: ... CDX CA680X L580X 2 4 HEAT SINK 2 5 CHASSIS T U ASSY 3 PTT 2 6x8 5 PTT 2 6x8 7 heat sink 6 4 PTT 2 6x12 1 PTT 2 6x8 2 cord RCA 4 chassis T U assy 3 P 2x3 2 P 2x3 1 Unsolder the lead wires black red white ...

Page 10: ...0X 2 6 DISC IN BOARD 2 7 SERVO BOARD 3 claws 2 DISC IN board 4 guide disc 1 PS 2x3 1 CN3 2 Removal the solders 3 P 2x3 6 PS 2x4 5 PS 2x4 4 loading motor assy 7 SERVO board optical pick up block 8 PICK UP FLEXIBLE board ...

Page 11: ...arm washer RA washer RA bearing roller bearing roller 1 tension spring KF1 2 tension spring KR1 8 compression spring FL 7 floating block assy 9 compression spring FL 5 Fit lever D in the direction of the arrow 3 damper T 4 damper T 6 Turn loading ring in the direction of the arrow 2 8 SHAFT ROLLER ASSY When installing take note of the positions arm roller and washers Fig 1 ...

Page 12: ...12 CDX CA680X L580X 2 10 OPTICAL PICK UP BLOCK 1 P 2x3 4 P 2x3 5 leaf spring feed 6 shaft feed assy 2 sled motor assy 3 optical pick up block ...

Page 13: ...etection input 27 DAVN I RDS data block synchronization detection input 28 BUIN I Backup power supply input 29 SIRCS I SIRCS input 30 TU_ATTIN I Tuner attenuator control input 31 CD_PACK I CD text pack synchronization signal input from CD servo IC 32 NC VCC Power supply pin 5 V 33 RESET I Microcomputer reset input 34 NOSE SW I Front panel attachment detection input 35 BEEP O Beep output 36 NC O No...

Page 14: ... output for power amp IC 70 VOLATT O Electronic volume attenuator control output 71 74 NC O Not used Open 75 DOOR IND O Sub panel power supply control output 76 84 NC O Not used Open 85 NS_MASK O Noise mask output 86 E2P_CKO O EEPROM serial clock output 87 E2P_SIO I O EEPROM serial data input output 88 TU ATT O Tuner attenuator control output 89 90 NC O Not used Open 91 AD_ON O Key power supply co...

Page 15: ...1 DISC IN X1 16 9344MHz OPTICAL PICK UP KSS 720A I V CONV CDL CDR CD PACK TSTB STB AO CD_TSO CD_TSI CD_TCKO CD_RST RFOK INSW LIMIT CD_SELFSW D_SW CD_L_ LO CD_LM_EJ TUNER SECTION A 23 24 M M M IC602 B UP B LOUT ROUT PACK TSTB SI RFOK SO SCK STB AO RST RESET A C B D E F PD LD A C B D E F PD LD LD AMP FOCUS COIL TRACKING COIL FD FSC FSC TRK TRK SL SL SP SP LD LD TD SD MD LOAD EJECT SYSTEM CONTROL IC5...

Page 16: ... 3V 27 87 E2P_SIO DAVN 85 30 TU ATT 88 6 DATA I O 4 CLK 2 CLK 3 CLK CN580 BUS CONTROL IN R CH 1 25 29 BUSON 6 5 4 3 8 7 2 1 BUS AUDIO IN 3 J330 L R 4 R CH AUDIO OUT REAR 1 L R 2 R CH BUSON DATA OUT CLK IN B U C DATA IN B U C 5 ANP R 27 35 37 34 33 31 30 6 ANT R BEEP STB 4 SCL 2 SDA CONT 9 7 6 20 POWER AMP IC750 1 2 MULTIPLE VOLTAGE REGULATOR IC750 2 2 AUDIO 8 3V VP2 VP1 Signal path FM CD R ch is o...

Page 17: ...COUT 5Vp p 4 332MHz IC51 4 OSCO 4 5Vp p 2 3Vp p LSW901 904 910 912 922 S902 903 911 KEY ACTIVE Q664 LED DRIVER Q701 REMOTE RECEIVE J561 REMOTE IN IC971 X502 32 768kHz 15 16 12 13 5 18 20 19 4 26 91 98 6 29 SYSTEM CONTROL IC501 3 3 LCD DRIVER IC901 KEYIN0 DATA CLK CE LCDSO LCDCKO LCDCE KEYIN1 KEY ACK AD_ON RCIN1 RCIN0 SIRCS 75 DOOR IND 34 NOSE SW XIN XOUT OSCOUT OSCIN X501 18 432MHz 77 78 76 COM1 C...

Page 18: ...power supply from ACC and BATT cords Voltages are taken with a VOM 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 numbers refer to waveforms Signal path F FM f MW J CD for printed wiring boards X parts extracted from the component side Y p...

Page 19: ... TP90 C41 TP29 TP15 TP33 TP73 TP14 TP18 TP48 TP71 TP51 TP49 TP52 TP55 TP75 TP53 TP56 TP43 TP58 TP61 TP74 TP60 TP68 TP80 TP7 TP62 TP91 TP63 TP66 TP64 TP69 TP72 TP50 TP26 TP32 TP59 TP76 BP4 BP3 BP1 BP2 R8 R9 R5 R7 R12 R14 R15 R10 R17 R18 R19 R20 R22 TP92 FB5 C3 C5 C6 C8 C9 C10 C11 C13 C14 C16 C18 C19 C24 C25 C29 C34 C36 C38 C35 C22 C30 TP6 C23 C1 C27 R21 TP47 C15 C20 TP35 TP23 R6 C17 TP82 TP44 Q1 R2...

Page 20: ...R21 R22 R31 C44 TP6 TP34 TP35 TP36 TP46 TP37 TP38 TP39 TP40 TP41 TP42 TP43 TP44 TP45 CN1 R18 R19 R20 R17 TP66 TP62 TP47 TP63 TP48 TP49 TP64 TP50 TP51 TP52 TP68 TP53 TP69 TP54 TP70 TP55 TP71 TP56 TP72 TP57 TP73 TP58 TP74 TP59 TP75 TP60 TP76 TP61 IC1 X1 C1 C5 C3 C6 TP85 C15 C16 C70 C24 C35 C38 C36 FB5 C25 C34 C71 C29 C27 C41 C22 C30 C18 Q1 SW5 IC2 CN1 3 7 SCHEMATIC DIAGRAM CD MECHANISM SECTION Refer...

Page 21: ...JW24 JW25 JW26 JW27 JW29 JW30 JW31 JW32 JW33 JW34 JW35 JW36 JW37 JW38 JW39 JW40 JW41 JW42 JW44 JW45 JW46 JW47 JW48 JW49 JW50 JW51 JW52 JW53 JW54 JW55 JW56 JW57 JW58 JW59 JW60 JW61 JW62 JW63 JW64 JW65 JW69 JW70 JW71 JW73 JW74 JW75 JW76 JW77 JW78 JW79 JW80 JW81 JW82 JW83 JW84 JW85 JW86 JW87 JW88 JW89 JW90 JW91 JW96 JW100 JW101 R631 L301 L501 JW103 JW104 JW105 J561 CN580 CN601 J330 C431 C461 C451 JW1...

Page 22: ...52 R442 R462 R54 R1 R634 R633 R654 R653 R651 D651 D751 D758 D753 D754 JC29 C3 C64 C59 C62 C61 C58 C56 C54 C421 C404 C405 JC406 JC407 JW95 JW97 C420 C413 JC441 JC431 C432 C452 C442 C462 JC755 C480 R631 JC754 JC753 C751 C765 C764 C617 C602 C618 C6 R652 D480 Q479 Q478 JC479 JC444 Q461 Q441 JC59 C5 D1 C4 C1 JC1 C57 Q451 R432 Q431 Q631 Q651 JC756 D609 D601 C401 C406 C407 C756 R756 L1 X51 R57 R56 R636 R...

Page 23: ... R513 R514 CNP301 C303 JC701 R701 R702 R703 R704 JC580 JC581 JC582 D719 D715 R999 JC88 R538 R532 R533 D501 X502 R540 R541 S501 R519 R521 R536 R535 IC602 IC580 JC584 R580 R581 R584 Q664 R585 C580 C581 D583 D582 R673 D581 Q581 Q580 Q582 L301 L304 L305 JC303 L306 IC501 Q701 S702 C622 C623 C582 L307 L302 C302 3 10 SCHEMATIC DIAGRAM MAIN SECTION 2 2 Refer to page 18 for Common Note on Schematic Diagram...

Page 24: ...RING BOARD RELAY SECTION Refer to page 17 for Circuit Boards Location and page 18 for Common Note on Printed Wiring Boards Uses unleaded solder 1 A B C D E F G H I J 2 3 4 5 6 7 8 9 10 11 CN801 CN802 LED801 LED802 S801 FMA3 Page 25 Page 21 ...

Page 25: ...90 D901 R975 R976 R977 R979 R978 R980 R971 R972 R901 R902 R903 R905 R906 R907 R908 R909 R910 R914 R915 R916 R917 R918 R919 R920 R921 D981 R941 R942 R946 R947 D983 D902 C971 R970 FMB5 FMB6 CN901 R927 R928 R929 R960 R961 R962 R934 R931 R930 IC901 3 12 PRINTED WIRING BOARD KEY SECTION Refer to page 17 for Circuit Boards Location and page 18 for Common Note on Printed Wiring Boards Uses unleaded solde...

Page 26: ...D933 LED934 R927 R928 R935 R936 LSW912 2 2 LSW913 2 2 LSW913 1 2 LSW914 2 2 LSW914 1 2 LSW901 2 2 LSW901 1 2 LSW915 2 2 LSW915 1 2 LSW916 2 2 LSW916 1 2 LSW917 2 2 LSW917 1 2 LSW918 2 2 LSW918 1 2 R941 R942 LSW919 2 2 LSW919 1 2 LSW920 2 2 LSW920 1 2 LSW921 2 2 LSW921 1 2 LSW922 2 2 LSW922 1 2 R946 R947 LSW905 2 2 LSW905 1 2 R950 R951 LSW906 2 2 LSW906 1 2 LSW909 2 2 LSW909 1 2 LSW910 2 2 LSW910 1...

Page 27: ...FACE CD TEXT DECODER SUB CODE PROCESSOR 16K SRAM D A AUTO GAIN CONTROLLER FD TD SD MD CONTROLLER ADDER SVDRAM MULTIPLIER SVCRAM SVROM ROM DECODER CLV PROCESSOR DEFECT COMPARATOR RFENV MIRENV A D CONVERTER MEMORY PROCESSOR COMPARATOR IC51 SAA6588T V2 518 IC1 µPD63711GC 8EU 3 14 IC BLOCK DIAGRAMS SCOUT MRO MPTH TCON OSCO OSCI VSSD VDDD DAVN SDA VREF MPX VSSA VDDA AFIN MAD PSWN SCL 2 1 6 15 11 13 16 ...

Page 28: ...BUS LCH TU RCH TU LCH CD RCH CD LCH D1 D2 DS11 13 DS21 14 DS31 SDA SCL MUTE SEL ADJ VCC OUT RL OUT RR OUT FL OUT FR DS32 DS22 DS12 VCC VCC 2 ON OFF ON OFF TONE PASS TONE PASS MUTE MUTE ENABLE LOGIC STANDBY MUTE BATTERY DETECTION CHIP DETECT DIAGNOSTIC PROTECTION DIAGNOSTIC SWITCH REGULATOR SWITCH REFERENCE VOLTAGE LOADDUMP PROTECTION TEMPERATURE PROTECTION BACK UP SWITCH REGULATOR 1 3 5 7 9 11 13 ...

Page 29: ...e critical for safety Replace only with part number specified Ref No Part No Description Remark 4 1 CHASSIS SECTION R Ref No Part No Description Remark R 11 12 10 10 14 13 1 1 MG 393XA 121 Q 2 1 3 1 4 7 8 9 5 2 2 2 2 1 1 1 not supplied not supplied not supplied not supplied 6 1 3 243 177 01 CUSHION SUB PANEL 2 3 042 244 01 SCREW T 3 X 3382 700 1 PANEL ASSY SUB 4 1 686 703 11 SUB BOARD 5 1 792 195 ...

Page 30: ...3 3 3 3 5 3 3 51 A 3274 581 A MAIN BOARD COMPLETE L580X 51 A 3274 585 A MAIN BOARD COMPLETE CA680X 52 1 790 355 71 CORD WITH CONNECTOR RCA AUDIO OUT FRONT CA680X F901 1 532 877 11 FUSE BLADE TYPE AUTO FUSE 10A TU1 A 3220 887 A TUNER UNIT TUX 030 3 7 685 793 09 SCREW PTT 2 6X8 S 4 7 685 134 19 SCREW P 2 6X8 TYPE2 NON SLIT 5 7 685 795 09 SCREW PTT 2 6X12 S ...

Page 31: ...105 106 101 A 3315 881 A PANEL COMPLETE ASSY FRONT L580X 101 A 3315 894 A PANEL COMPLETE ASSY FRONT CA680X 102 X 3382 703 1 PANEL ASSY FRONT L580X 102 X 3382 744 1 PANEL ASSY FRONT CA680X 103 X 3383 105 1 BUTTON ASSY S 104 1 694 976 11 CONDUCTIVE BOARD CONNECTION 105 X 3382 702 1 PANEL ASSY FRONT BACK 106 X 3383 264 1 CASE PANEL ASSY for FRONT PANEL 107 3 246 778 01 SPRING OPEN LCD901 1 805 076 11...

Page 32: ...152 3 931 909 01 SPRING LR TENSION 153 1 683 664 11 DISC IN BOARD 154 3 338 737 01 SCREW 2X3 PS 155 A 3315 040 A ROLLER ASSY ARM 156 A 3283 270 A SERVO BOARD COMPLETE 157 1 683 666 11 PICK UP FLEXIBLE BOARD 158 3 039 629 02 BRACKET MOTOR 159 3 225 784 01 SPRING RA3 TENSION 160 3 933 152 03 ROLLER S 161 3 931 913 11 RING ROLLER RETAINING M903 A 3315 039 A MOTOR SUB ASSY LD LOADING 7 7 627 553 37 SC...

Page 33: ...G 202 3 931 897 61 DAMPER T 203 3 039 627 01 LEVER D 204 3 040 165 02 RETAINER DISC 205 3 014 727 01 WHEEL LW WORM 206 3 931 895 01 SPRING CH TENSION 207 3 931 898 01 SPRING FL COMPRESSION 208 3 032 483 02 SPRING KF1 TENSION 209 A 3315 243 D CHASSIS M ASSY 210 3 220 180 01 SPRING TR2 TENSION 211 3 931 881 03 LEVER LOCK 212 3 931 882 02 GEAR MDL 213 3 007 537 11 WHEEL U WORM 214 3 007 536 05 LEVER ...

Page 34: ...ard 7 7 256 260 258 259 255 254 261 253 252 257 251 251 X 3378 598 3 CHASSIS OP ASSY including M901 252 3 043 494 01 SPRING SL TORSION 253 3 040 170 01 BASE DRIVING 254 3 040 419 01 GEAR MIDWAY 255 A 3291 669 A SHAFT FEED ASSY 256 3 025 743 01 SPRING FEED LEAF 257 1 683 665 11 MOTOR FLEXIBLE BOARD 258 3 909 607 01 SCREW 0259 8 820 103 11 OPTICAL PICK UP KSS 720A C RP 260 3 338 737 01 SCREW 2X3 PS ...

Page 35: ... NSCW505T ARS LCD BACK LIGHT LED934 6 500 459 01 LED NSCW505T ARS LCD BACK LIGHT LED951 6 500 450 01 LED CL 195SR CD T EQ3 LED952 6 500 450 01 LED CL 195SR CD T SEEK LED953 6 500 450 01 LED CL 195SR CD T DSO LED954 6 500 450 01 LED CL 195SR CD T SOURCE SWITCH LSW901 1 771 476 11 SWITCH KEYBOARD WITH LED OFF LSW904 1 771 476 11 SWITCH KEYBOARD WITH LED SEL LSW905 1 771 476 11 SWITCH KEYBOARD WITH L...

Page 36: ...H TACTILE WITH LED SOURCE S903 1 771 884 11 SWITCH TACTILE WITH LED DSO S911 1 771 884 11 SWITCH TACTILE WITH LED EQ3 A 3274 581 A MAIN BOARD COMPLETE L580X A 3274 585 A MAIN BOARD COMPLETE CA680X 7 685 134 19 SCREW P 2 6X8 TYPE2 NON SLIT 7 685 793 09 SCREW PTT 2 6X8 S 7 685 795 09 SCREW PTT 2 6X12 S CAPACITOR C1 1 162 964 11 CERAMIC CHIP 0 001uF 10 50V C2 1 162 964 11 CERAMIC CHIP 0 001uF 10 50V ...

Page 37: ...NECTOR 16P CN702 1 784 456 11 CONNECTOR FFC FPC 14P CNP301 1 764 617 12 PIN CONNECTOR PC BOARD 30P DIODE D1 8 719 158 15 DIODE RD5 6S B D479 8 719 404 50 DIODE MA111 TX D480 8 719 158 15 DIODE RD5 6S B D501 8 719 404 50 DIODE MA111 TX D502 8 719 404 50 DIODE MA111 TX D580 8 719 056 82 DIODE UDZ TE 17 6 2B CA680X D580 8 719 056 84 DIODE UDZ TE 17 7 5B L580X D581 8 719 056 93 DIODE UDZ TE 17 18B D58...

Page 38: ...7 1 216 817 11 METAL CHIP 470 5 1 10W R60 1 216 797 11 METAL CHIP 10 5 1 10W R61 1 216 864 11 METAL CHIP 0 5 1 10W R62 1 216 864 11 METAL CHIP 0 5 1 10W R330 1 216 821 11 METAL CHIP 1K 5 1 10W CA680X R331 1 216 821 11 METAL CHIP 1K 5 1 10W CA680X R332 1 216 833 11 METAL CHIP 10K 5 1 10W CA680X R333 1 216 833 11 METAL CHIP 10K 5 1 10W CA680X R401 1 216 833 11 METAL CHIP 10K 5 1 10W R402 1 216 833 1...

Page 39: ...1 METAL CHIP 22K 5 1 10W SWITCH S501 1 786 458 11 SWITCH PUSH 1 KEY NOSE DET S702 1 692 431 21 SWITCH TACTILE RESET THERMISTOR POSITIVE TH580 1 803 350 21 THERMISTOR POSITIVE CA680X TUNER TU1 A 3220 887 A TUNER UNIT TUX 030 VIBRATOR X51 1 579 242 41 VIBRATOR CRYSTAL 4 332MHz X501 1 781 294 21 VIBRATOR CRYSTAL 18 432MHz X502 1 567 098 41 VIBRATOR CRYSTAL 32 768kHz A 3283 270 A SERVO BOARD COMPLETE ...

Page 40: ...TOR CERAMIC 16 9344MHz 1 686 703 11 SUB BOARD 1 792 195 11 CABLE FLEXIBLE FLAT 14 CORE CN801 CONNECTOR CN802 1 817 159 11 SOCKET CONNECTOR 14P DIODE LED801 8 719 082 38 LED CL 270SR C TS DOOR INDICATOR LED802 6 500 450 01 LED CL 195SR CD T Z SWITCH S801 1 771 884 11 SWITCH TACTILE WITH LED Z MISCELLANEOUS 11 1 776 527 61 CORD WITH CONNECTOR ISO POWER 52 1 790 355 71 CORD WITH CONNECTOR RCA AUDIO O...

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Sony CDX-CA680X, Service Manual

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