Sony Model CDX-L280 страница 23 Скачать руководство пользователя

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CDX-L280

R908

R907

C904

TH901

R933

Q919

R934

R932

D923

C919

R930

D909

R931

Q920

D930

Q910

Q913

R912

JR929

R913

C905

C907

D910

D908

R917

D913

R920

C916

R919

R918

Q915

R928

R925

R926

R927

R929

R924

R911

R910

D906

L703

L702

R921

R806

R807

R808

X802

C802

C801

CNP701

R802

R815
R814

R813

R812
R811
R810

R824

R922

R923

C809

R817

R818

R711

R709

R710

R707

R708

R706

R705

R704

R840

C810

R841
R842

C843

C845

D914

D907

D999

C846

IC902

C915

C844

Q917

R909

R809

C914

Q907

C849

C806

X801

C804

C803

JR901

IC801

R843

JR903

C909

L701

C701

C702

C703

C704

C847

R801

Q903

Q904

Q902

Q911

Q918

Q929

Q905

Q906

Q909

Q912

S901

Q921

Q914

Q916

R821

CNP801

JR1

3-10. SCHEMATIC DIAGRAM — MAIN SECTION (2/2) — • Refer to page 17 for Waveforms.

(Page
20)

(Page 22)

(Page 25)

Note:

• Voltage and waveforms are dc with respect to ground

under no-signal (detuned) conditions.
no mark : FM
(

) : AM

> : CD PLAY

Содержание Model CDX-L280

Страница 1: ...onnector Intermediate frequency 10 7 MHz 450 kHz Sensitivity 30 µV Power amplifier section Outputs Speaker outputs sure seal connectors Speaker impedance 4 8 ohms Maximum power output 45 W 4 at 4 ohms SPECIFICATIONS General Outputs Audio outputs rear Power amplifier control terminal Power aerial relay control terminal Tone controls Bass 9 dB at 100 Hz Treble 9 dB at 10 kHz Power requirements 12 V ...

Страница 2: ...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 ob serve from more than 30 cm away from the objective lens Notes on Chip Component Replacemen...

Страница 3: ...these marks to distinguish CD Rs CD RWs for audio use These marks denote that a disc is not for audio use Some CD Rs CD RWs depending on the equipment used for its recording or the condition of the disc may not play on this unit You cannot play a CD R CD RW that is not finalized A process necessary for a recorded CD R CD RW disc to be played on the audio CD player EXTENSION CABLE AND SERVICE POSIT...

Страница 4: ...gram Tuner Section 16 3 4 Block Diagram Display Section 17 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 Display Section 24 3 12 Schematic Diagram Display Section 25 4...

Страница 5: ...5 5 CDX L280 SECTION 1 GENERAL This section is extracted from instruction manual ...

Страница 6: ...6 6 CDX L280 ...

Страница 7: ...n 2 1 SUB PANEL ASSY 2 1 SUB PANEL ASSY Page 7 2 5 CHASSIS T SUB ASSY Page 9 2 6 LEVER SECTION Page 10 SET 2 7 SERVO BOARD Page 10 2 2 CD MECHANISM BLOCK Page 8 2 3 MAIN BOARD Page 8 2 4 HEAT SINK Page 9 2 8 SHAFT ROLLER ASSY Page 11 2 9 FLOATING BLOCK ASSY Page 11 2 10 OPTICAL PICK UP BLOCK Page 12 1 PTT 2 6x6 2 PTT 2 6x6 3 claw 5 sub panel assy 4 claws three claws ...

Страница 8: ...8 CDX L280 3 screw BTT 4 screws BTT 1 PTT 2 6x8 5 MAIN board 2 PTT 2 6x8 1 PTT 2 6x6 6 PTT 2 6x6 7 bracket CD 2 PTT 2 6x6 5 CD mechanism block 4 CNP701 3 2 3 MAIN BOARD 2 2 CD MECHANISM BLOCK ...

Страница 9: ...9 CDX L280 4 chassis T sub assy 3 P 2x3 2 P 2x3 1 Unsolder the lead wires black red white 6 heat sink 1 PTT 2 6x8 2 PTT 2 6x8 4 PTT 2 6x8 3 PTT 2 6x12 5 PTT 2 6x8 2 5 CHASSIS T SUB ASSY 2 4 HEAT SINK ...

Страница 10: ... spring LR 6 lever R 5 guide disc 1 special screw 2 6 LEVER SECTION 2 7 SERVO BOARD 6 special screws 1 CN3 2 Removal the solders 4 P 2x3 5 loading motor assy 8 SERVO board 7 special screw 9 connector optical pick up block 3 Unsolder the lead wires black yellow ...

Страница 11: ... loading ring in the direction of the arrow Fig 1 1 tension spring RA 2 arm roller 3 retaing ring RA 4 shaft retainer roller 5 shaft roller assy 6 special screw 7 LOAD SW board retaing ring RA arm arm washer washer shaft retainer roller shaft retainer roller 2 9 FLOATING BLOCK ASSY 2 8 SHAFT ROLLER ASSY When installing take note of the positions arm roller and washers Fig 1 ...

Страница 12: ...12 CDX L280 2 10 OPTICAL PICK UP BLOCK 1 P 2x3 4 screw 5 plate spring feed 6 shaft feed assy 2 sled motor assy 3 optical pick up block ...

Страница 13: ...IC chip enable output 24 VDD1 Power supply pin 5 V 25 AVSS Ground 26 ST IND I FM STEREO detection input 27 FUN SEL I Function select input 28 S METER I S meter signal input 29 30 KEY0 1 I A D key input 0 1 31 TEL ATT I Attenuator signal input Connect to ground in this set 32 DST SEL I Destination select input Fixed at L in this set 33 TEST I Force test mode input 34 AVREF A D converter power suppl...

Страница 14: ...rial clock output 57 RFOK I CD servo IC RFOK signal input 58 X RST O CD DSP IC reset control output 59 ACC IN I Accessory power supply detection input 60 AO O CD servo IC command pallameter discrimination signal output 61 STB O CD servo IC data strobe signal output 62 XEN O CD DSP IC X tal control output 63 L SW I Limit switch detection input 64 PH1 I PH1 detection input Not used in this set ...

Страница 15: ...G SW3 DISC IN SW2 SELF SW4 LIMIT SW5 DOWN X1 16 9344MHz OPTICAL PICK UP KSS 721A I V CONV CDL STB A0 X_SO X_SI X_SCK X_RST RFOK XEN D_SW IN_SW SELF_SW L_SW LM _LO LM_ EJ CDM ON XCD_ON R CH MAIN SECTION A 23 24 M M M 1 RESET S901 RESET 2 IC902 U_COM 5V BATT D909 LOUT ROUT PACK TSTB TSI TSCK SI RFOK SO SCK STB AO XTALEN RST RESET A C B D E F PD LD A C B D E F PD LD APC FCS FCS TRK TRK SL SL SP SP LD...

Страница 16: ...Q102 MUTE R CH DELAY BATT BATT Q909 BATT D402 Q101 MUTE 22 MUTE 4 STBY 16 AUX IN 11 12 5 3 9 7 POWER AMP IC101 1 9 2 10 CNP501 R CH PJ401 FL FL RL RL 4 12 FR FR 3 11 RR RR 16 B BATT 5 AMP REM 6 8 19 ANT REM GND R CH F901 10A 7 ACC 15 TEST 33 TEST AMP_ON ACC CHECK Q902 32 26 28 17 18 L R Signal path FM AM CD ANT REMOTE CONTROL Q911 917 BACK UP CHECK Q903 904 D906 907 TUNER 8V REG Q912 913 D913 COM ...

Страница 17: ...Y ACK AD ON SIRCS XT2 XT1 X2 48 ILL ON BATT X1 X801 8 38MHz PL551 552 D561 581 LCD BACK LIGHT 62 61 60 COM1 COM2 LCD LCD501 D914 KEY ILLUMINATION 64 63 1 23 25 53 SEG1 SEG52 DATA CLK CE ILL B 57 INH MAIN board tuner unit TU601 DISPLAY board SPEAKER board IN SELF SW board SW board LOAD SW board SL SW board Waveforms Servo Board MODE CD PLAY 1 2 3 IC1 ts PACK IC1 uj RFO 1 2Vp p 4 Approx 1Vp p IC1 oa...

Страница 18: ...tages 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 AM J CD for printed wiring boards X parts extracted from the component side Y parts extracted from the conductor side x...

Страница 19: ...P42 TP19 TP28 TP90 C41 TP29 C44 TP73 TP32 TP48 TP71 TP51 TP49 TP52 TP55 TP75 TP53 M903 TP56 TP43 TP58 TP61 TP74 TP68 TP80 TP7 TP62 TP91 TP63 C40 TP66 TP64 TP69 TP72 TP50 TP26 TP3 TP59 TP76 TP18 TP89 TP30 R8 R9 R5 R7 R12 R14 R15 R10 R17 R18 R19 R20 R22 FB1 TP92 C3 C5 C6 C8 C9 C10 C11 C13 C14 C16 C18 C19 C24 C25 C29 C34 C36 C38 C35 C21 C22 C30 C23 C1 C27 R21 TP47 C15 C20 TP35 TP23 C17 TP82 TP44 Q1 R...

Страница 20: ... 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 X1 SW3 SW4 CN13 Q1 C18 IC2 IC1 TP1 TP5 C44 C40 C1 C5 C3 C6 C15 C16 C41 C27 C45 C34 C29 C25 C36 C38 C35 C24 C30 C22 C21 SW5 Refer to page 17 for Waveforms 3 7 SCHEMATIC DIAGRAM CD ...

Страница 21: ...55 JW38 C114 JW93 C203 C103 D913 C904 D903 R927 JW31 D906 C219 JW5 D923 JW24 R913 JW15 JW20 R401 JW14 CNP501 F901 JW44 C432 JW45 D908 JW35 JW36 JW48 L601 IC101 D401 JW49 C204 C104 R810 JW39 R206 R917 JW16 JW67 C605 CNP801 D916 R811 JW41 JW83 JW95 D904 D915 C435 R806 JW22 JW56 D402 R931 JW82 12 12 12 12 JW66 C801 D914 R106 C621 R205 C407 X601 C401 D919 R603 C606 D917 X 8 0 2 JW69 JW19 D907 D604 D99...

Страница 22: ... C902 D901 L901 C108 R604 CNJ601 R205 CNP501 F901 C633 PJ401 R209 R207 JR101 C407 Q603 C841 C842 Q605 C625 R610 C618 C617 R608 C614 D401 C214 C114 C706 C707 C901 D444 R444 R410 D402 Q101 Q102 Q201 Q202 C203 R404 C115 R115 L601 JR620 JW13 C620 R615 R408 D922 D919 D918 D917 D916 D915 D921 D920 C401 C210 L605 C666 CP601 JR615 C848 R614 JR613 JR611 D604 R611 L669 TU601 JR610 Q401 Q402 IC101 R620 R622 ...

Страница 23: ... R817 R818 R711 R709 R710 R707 R708 R706 R705 R704 R840 C810 R841 R842 C843 C845 D914 D907 D999 C846 IC902 C915 C844 Q917 R909 R809 C914 Q907 C849 C806 X801 C804 C803 JR901 IC801 R843 JR903 C909 L701 C701 C702 C703 C704 C847 R801 Q903 Q904 Q902 Q911 Q918 Q929 Q905 Q906 Q909 Q912 S901 Q921 Q914 Q916 R821 CNP801 JR1 3 10 SCHEMATIC DIAGRAM MAIN SECTION 2 2 Refer to page 17 for Waveforms Page 20 Page ...

Страница 24: ...04 R503 R502 R504 R505 R506 R508 R507 S506 S505 S502 PL552 R519 R517 S513 R501 S512 S515 S510 S501 S514 R513 R512 CNP551 R511 A B C D E F G H I 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 3 11 PRINTED WIRING BOARD DISPLAY SECTION Refer to page 17 for Circuit Boards Location Page 21 D551 G 5 D552 F 5 D553 G 5 D554 G 6 D555 C 14 D561 B 1 D562 C 1 D563 D 1 Ref No Location Semiconductor Location Ref No Locati...

Страница 25: ...52 CNP552 S511 PL551 PL551 552 LCD BACK LIGHT S509 D553 JR503 C551 R551 R559 R561 R562 R560 D552 R552 JR501 D551 C552 R553 C555 S516 R510 JR502 R514 R515 S517 D554 C553 R516 S518 S519 IC551 LCD501 S520 S521 S508 R518 R509 S507 S503 S504 R503 R502 R504 R505 R506 R508 R507 S506 S505 S502 PL552 R519 R517 S513 R501 S512 S515 S510 S501 S514 R513 R512 CNP551 R511 3 12 SCHEMATIC DIAGRAM DISPLAY SECTION P...

Страница 26: ... D A INTERFACE CIRCUIT OUTPUT PROCESSOR DIGITAL AUDIO INTERFACE DIGITAL PLL TIMING GENERATOR EFM DEMODULATOR ERROR CORRECTION PROCESSOR MICROCOMPUTER INTERFACE 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 1 FWD 2 REV ...

Страница 27: ... L5 L4 L3 R2 R3 R4 VREF R5 L2 L1 R1 LSELO LBASS1 10 13 14 15 16 17 18 LTRE 11 LSB LBASS2 8 RROUT RFOUT 34 33 31 29 32 RFIN ROUT 26 RIN RSELO RBASS1 28 25 24 23 21 RTRE 27 RSB RBASS2 30 2 1 VDD 35 CL 36 CCB INTERFACE CONTROL CIRCUIT LOGIC CIRCUIT CONTROL CIRCUIT LVREF RVREF 22 20 19 ...

Страница 28: ...pecified Ref No Part No Description Remark 4 1 CHASSIS SECTION R Ref No Part No Description Remark R 1 2 3 1 1 1 1 1 2 2 2 F901 TU601 not supplied MG 393CX 121 K 2 3 2 2 4 6 7 7 8 11 9 10 12 13 14 5 15 1 X 3379 736 5 PANEL ASSY SUB 2 X 3382 588 1 LOCK ASSY S 3 3 224 309 22 COVER 4 1 776 527 11 CORD WITH CONNECTOR ISO POWER 5 3 024 285 01 CUSHION RUBBER 6 3 041 173 12 BRACKET CD 7 3 922 535 11 SCRE...

Страница 29: ... 55 3 224 604 41 BUTTON 56 3 224 601 11 BUTTON EJECT 57 3 224 603 01 BUTTON OFF 58 3 224 600 11 BUTTON 1 6 59 3 224 602 01 BUTTON SOURCE 60 3 227 293 01 SHEET LCD 61 3 224 609 03 PLATE LCD GROUND 62 3 224 610 02 SHEET LCD DIFFUSION 63 X 3379 734 1 HOLDER LCD ASSY 64 3 224 599 01 PANEL FRONT BACK 65 3 226 909 01 SHEET BACK 66 3 229 751 01 SHEET LCD UP 67 X 3380 054 2 CASE ASSY for FRONT PANEL 68 A ...

Страница 30: ...40 042 01 WASHER 110 3 040 044 01 ROLLER S 111 3 040 022 01 RETAINER ROLLER SHAFT 112 3 040 040 03 ARM ROLLER 113 A 3283 233 A SERVO BOARD COMPLETE 114 1 685 337 11 LOAD SW BOARD 115 3 221 779 02 BRACKET MOTOR 116 A 3301 980 A SHAFT ROLLER ASSY 117 3 040 034 01 SPRING RA TENSION 118 1 683 284 11 PWB FLEXIBLE M903 A 3315 039 A MOTOR SUB ASSY LO LOADING 5 7 627 553 17 SCREW PRECISION P 2X2 TYPE3 6 7...

Страница 31: ...TAINER DISC 155 3 040 054 01 WHEEL LW WORM 156 3 040 026 01 SPRING CH TENSION 157 3 040 032 01 SPRING FL COMPRESSION 158 3 040 033 01 SPRING KF1 TENSION 159 A 3307 422 A CHASSIS M COMPLETE ASSY 160 3 040 059 01 SPRING TR TENSION 161 3 040 057 01 LEVER LOCK 162 3 040 058 01 GEAR MDL 163 3 040 052 01 WHEEL U WORM 164 3 040 051 02 LEVER TR 154 151 156 157 158 160 162 161 159 152 152 152 153 163 157 D...

Страница 32: ...2 3 040 029 01 SPRING SL TORSION 203 3 040 045 01 BASE DRIVING 204 3 040 194 01 GEAR MIDWAY 205 A 3301 983 A SHAFT FEED ASSY 206 3 040 030 01 SPRING FEED PLATE 207 1 823 641 11 CABLE FLEXIBLE FLAT 6 CORE 208 1 683 282 11 SL SW BOARD 209 3 909 607 01 SCREW 0210 8 820 165 06 OPTICAL PICK UP KSS 721A C RP M902 A 3301 985 A MOTOR ASSY SLED SLED 7 7 627 553 37 SCREW PRECISION P 2X3 TYPE3 8 7 627 850 28...

Страница 33: ...310VTT86 5 D568 8 719 053 09 LED SML 310VTT86 6 D569 8 719 053 09 LED SML 310VTT86 BTM D570 8 719 053 09 LED SML 310VTT86 DSPL D571 8 719 053 09 LED SML 310VTT86 1 D572 8 719 053 09 LED SML 310VTT86 2 D573 8 719 053 09 LED SML 310VTT86 3 REP D574 8 719 053 09 LED SML 310VTT86 4 SHUF D575 8 719 053 09 LED SML 310VTT86 SEL D576 8 719 053 09 LED SML 310VTT86 MODE D577 8 719 053 09 LED SML 310VTT86 SO...

Страница 34: ... HEAT SINK 7 685 793 09 SCREW PTT 2 6X8 S 7 685 795 09 SCREW PTT 2 6X12 S CAPACITOR C101 1 164 346 11 CERAMIC CHIP 1uF 16V C102 1 164 346 11 CERAMIC CHIP 1uF 16V C103 1 104 396 11 ELECT 10uF 20 16V C104 1 104 396 11 ELECT 10uF 20 16V C105 1 162 964 11 CERAMIC CHIP 0 001uF 10 50V C108 1 109 982 11 CERAMIC CHIP 1uF 10 10V C110 1 164 156 11 CERAMIC CHIP 0 1uF 25V C111 1 164 156 11 CERAMIC CHIP 0 1uF ...

Страница 35: ...1 164 156 11 CERAMIC CHIP 0 1uF 25V C914 1 104 665 11 ELECT 100uF 20 10V C915 1 110 654 11 DOUBLE LAYERS 0 047F 5 5V C916 1 164 156 11 CERAMIC CHIP 0 1uF 25V C919 1 124 229 00 ELECT 33uF 20 10V JACK CNJ601 1 793 598 11 JACK ANTENNA CONNECTOR CNP501 1 774 701 11 PIN CONNECTOR 16P CNP701 1 815 260 11 CONNECTOR BOARD TO BOARD 30P CNP801 1 794 311 21 PLUG CONNECTOR 12P SURGE PROTECTOR CP601 1 803 902 ...

Страница 36: ...11 CARBON 10K 5 1 4W R404 1 249 417 11 CARBON 1K 5 1 4W R407 1 216 841 11 METAL CHIP 47K 5 1 10W R408 1 218 867 11 METAL CHIP 6 8K 5 1 10W R410 1 216 805 11 METAL CHIP 47 5 1 10W R444 1 216 864 11 METAL CHIP 0 5 1 10W R601 1 249 417 11 CARBON 1K 5 1 4W R602 1 216 821 11 METAL CHIP 1K 5 1 10W R603 1 249 407 11 CARBON 150 5 1 4W R604 1 216 821 11 METAL CHIP 1K 5 1 10W R605 1 216 841 11 METAL CHIP 47...

Страница 37: ...C CHIP 12PF 5 50V C14 1 125 837 11 CERAMIC CHIP 1uF 10 6 3V C15 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C16 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C17 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C18 1 162 966 11 CERAMIC CHIP 0 0022uF 10 50V C19 1 107 826 11 CERAMIC CHIP 0 1uF 10 16V C20 1 107 826 11 CERAMIC CHIP 0 1uF 10 16V C21 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C22 1 162 970 11 CERAMIC CHIP 0 ...

Страница 38: ...L PICK UP KSS 721A C RP F901 1 532 877 11 FUSE BLADE TYPE AUTO FUSE 10A M902 A 3301 985 A MOTOR ASSY SLED SLED M903 A 3315 039 A MOTOR SUB ASSY LO LOADING ACCESSORIES 3 227 644 41 MANUAL INSTRUCTION INSTALL ENGLISH GERMAN FRENCH ITALIAN DUTCH 3 227 649 51 MANUAL INSTRUCTION ENGLISH GERMAN FRENCH ITALIAN DUTCH X 3380 054 2 CASE ASSY for FRONT PANEL PARTS FOR INSTALLATION AND CONNECTIONS 251 3 014 3...

Страница 39: ...39 CDX L280 MEMO ...

Страница 40: ...N HISTORY Clicking the version allows you to jump to the revised page Also clicking the version at the upper on the revised page allows you to jump to the next revised page Ver Date Description of Revision 1 0 2002 11 New ...

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