Sony CDX-L495EE Скачать руководство пользователя страница 25

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CDX-L495EE

3-12. SCHEMATIC DIAGRAM — KEY SECTION — • Refer to page 18 for Common Note on Schematic Diagram.

Note:

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

(detuned) condition.
no mark : FM

(Page 23)

R901

R902

R903

R911

R912

R913

R991

R981

R982

R983

R984

R985

R986

D901

R972

CN901

R971

R996

R994

R995

R909

R908

R907

R906

R905

R904

R914

R915

R916

R917

R918

R921

R920

R919

R987

R988

R989

R931

R932

R933

R941

R942

LSW911(2/2)

LSW910(2/2)

R946

LSW913(2/2)

LSW914(2/2)

LSW915(2/2)

LSW916(2/2)

LSW920(2/2)

LSW919(2/2)

LSW918(2/2)

LSW917(2/2)

LSW907(2/2)

LSW908(2/2)

LSW909(2/2)

LSW921(2/2)

R963

R964

R965

LSW904(2/2)

R966

LSW905(2/2)

R943

C991

C992

C993

C994

C995

C971

R993

R992

S900

S901

S902

S903

LSW905(1/2)

S906

LSW907(1/2)

LSW908(1/2)

LSW909(1/2)

LSW910(1/2)

LSW911(1/2)

S912

LSW913(1/2)

LSW914(1/2)

LSW915(1/2)

LSW916(1/2)

LSW917(1/2)

LSW918(1/2)

LSW919(1/2)

LSW920(1/2)

LSW921(1/2)

LSW904(1/2)

IC971

D991

D902

LED931

LED932

LCD901

IC901

LED900

LED912

R944

LED901

R945

LED951

R951

R952

R954

R955

R956

R957

R961

LED902

LED906

R962

LED952

LED903

Содержание CDX-L495EE

Страница 1: ...nge 531 1 602 kHz Aerial terminal External aerial connector 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 aerial relay control terminal Inputs Telephone ATT control terminal Tone controls Low 10 dB ...

Страница 2: ...n 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 attached please be sure to put a new LABEL OP CAUTIO...

Страница 3: ... a 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...

Страница 4: ...uner Section 15 3 4 Block Diagram Display Section 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 Key Section 24 3 12 Schematic Diagram Key Section 25 3 13 IC Block D...

Страница 5: ...5 CDX L495EE SECTION 1 GENERAL This section is extracted from instruction manual ...

Страница 6: ...6 CDX L495EE Connections ...

Страница 7: ...iven 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 LOAD BOARD 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 2 claws 3 claws 4 sub panel assy 1 two screws PTT 2 6x6 ...

Страница 8: ... MAIN BOARD 1 screw PTT 2 6x6 6 two screws PTT 2 6x4 7 bracket CD 2 screw PTT 2 6x6 5 CD mechanism block 4 CNP301 3 1 two screws PTT 2 6x6 3 screw PTT 2 6x6 ground point 4 two screws PTT 2 6x6 ground point 5 MAIN board 2 two screws PTT 2 6x6 ...

Страница 9: ...5EE 2 4 HEAT SINK 2 5 CHASSIS T U ASSY 1 screw PTT 2 6x8 3 screw PTT 2 6x8 5 heat sink 4 2 two screws PTT 2 6x12 4 chassis T U assy 3 two screws P 2x3 2 two screws P 2x3 1 Unsolder the lead wires black red white ...

Страница 10: ... claws 2 DISC IN board 4 guide disc 1 screw PS 2x3 6 two screws PTT 2x4 7 screw PTT 2x4 1 CN3 2 Removal the solders 4 screw P 2x3 5 loading motor assy 8 SERVO board 9 PICK UP FLEXIBLE board optical pick up block 3 Unsolder the lead wires black yellow ...

Страница 11: ... bearing roller bearing roller 7 LOAD board 6 screw PTT 2x4 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 LOAD BOARD When installing take note of the positions arm roller and washers Fig 1 ...

Страница 12: ...12 CDX L495EE 2 10 OPTICAL PICK UP BLOCK 1 two screws P 2x3 4 screw P 2x3 5 leaf spring feed 6 shaft feed assy 2 sled motor assy 3 optical pick up block ...

Страница 13: ...set 26 KEYACK I Key acknowledge detection input 27 NIL I Not used Fixed at L in this set 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 Not used Fixed at H in this set 35 BEEP O Beep output ...

Страница 14: ... 69 STB O Standby control output for power amp IC 70 VOLATT O Electronic volume attenuator control output 71 to 74 NC O Not used Open 75 DOOR IND O Not used Open 76 to 84 NC O Not used Open 85 NC O Not used Open 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 cont...

Страница 15: ...ISC IN X1 16 9344MHz OPTICAL PICK UP KSS 721A 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 IC501 ...

Страница 16: ...C 8 3V 87 E2P_SIO 30 TU ATT 88 R CH 25 29 AUDIO OUT REAR 1 L R 2 R CH J330 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 omitted due to same as L ch 12 SYSRST B UP B 24 BUSON 25 UNISI 43 UNICKO 44 UNISO 42 BU IN 28 4 L CH OUT FL 13 OUT RL 12 5V REG Q1 BACK UP CHECK LOW VO...

Страница 17: ... 64 62 COM1 COM4 LCD LCD901 PANEL B PANEL B LSW904 905 907 911 913 921 LED900 903 906 912 951 952 LED931 932 LCD BACK LIGHT D502 D501 52 55 SEG1 SEG46 DI CL CE B UP B KEY ILLUMINATION KEY MATRIX 2 2 I 25 27 I 38 40 I 49 MAIN board SERVO board LIMIT board SUB CD board tuner unit TU1 DISC IN board KEY board LOAD board 32 768kHz IC501 qh XOUT Main Board 1 2 18 432MHz IC501 qs OSCOUT 5Vp p 2 3Vp p IC1...

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

Страница 19: ... 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 R26 TP3...

Страница 20: ...36 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 TP93 TP94 TP95 TP96 TP97 TP98 TP85 C15 C16 C70 C24 C35 C38 C36 FB5 C25 C34 C71 C29 C27 C41 C22 C30 C18 Q1 IC2 CN1 C6 TP1 TP4 TP5 SW4 3 7 SCHEMATIC DIAGRAM CD MECHANISM SEC...

Страница 21: ... JW32 JW36 JW37 JW38 JW39 JW40 JW41 JW42 JW44 JW45 JW46 JW48 JW49 JW50 JW51 JW52 JW53 JW54 JW55 JW56 JW57 JW58 JW59 JW61 JW62 JW63 JW64 JW65 JW69 JW70 JW71 JW73 JW74 JW76 JW77 JW78 JW80 JW81 JW82 C998 C997 C999 JW86 JW87 JW88 JW89 JW90 JW91 JW96 JW100 JW101 R631 L501 JW103 JW104 JW105 CN601 F901 JW6 J330 C431 C461 C451 JW102 C401 C4 JW93 D719 D716 D717 D718 D720 D710 X501 C503 JW67 JW66 S702 CNP30...

Страница 22: ...433 R441 R443 R451 R453 R461 R463 R479 R480 R752 D761 D762 R452 R442 R462 R1 R634 R633 R654 R653 R651 D651 D751 D758 D753 D754 C421 C404 C405 JC406 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 C5 D1 C4 C1 JC1 Q451 R432 Q431 Q631 Q651 JC756 D609 D601 C756 R756 L1 R636 R3 R2 J1 D479 F901 R609 L601 R63...

Страница 23: ...14 CNP301 C303 JC580 JC581 JC582 D719 D715 R999 JC88 R532 R533 D501 X502 IC602 R584 Q664 R585 D581 Q581 Q580 Q582 L301 S702 C622 C623 L302 C302 L304 L305 L306 L307 R535 R536 R522 R521 R539 R518 R540 R541 R671 R672 D580 R582 R673 CN701 R720 IC501 JC304 C999 R537 3 10 SCHEMATIC DIAGRAM MAIN SECTION 2 2 Refer to page 18 for Common Note on Schematic Diagram Page 20 Page 25 Page 22 Note Voltage is dc w...

Страница 24: ...901 LED912 D901 R971 R981 R982 R983 D902 R931 R932 R933 R952 R951 R955 R954 R956 R957 R991 R994 R995 R996 C992 C993 C991 R984 R986 R985 C994 C995 R992 R993 C971 R987 R988 R989 R972 R912 R911 R913 CN901 FMB4 FMB3 D991 R961 R944 IC901 3 11 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 solder Page 21 LE...

Страница 25: ...1 R942 LSW911 2 2 LSW910 2 2 R946 LSW913 2 2 LSW914 2 2 LSW915 2 2 LSW916 2 2 LSW920 2 2 LSW919 2 2 LSW918 2 2 LSW917 2 2 LSW907 2 2 LSW908 2 2 LSW909 2 2 LSW921 2 2 R963 R964 R965 LSW904 2 2 R966 LSW905 2 2 R943 C991 C992 C993 C994 C995 C971 R993 R992 S900 S901 S902 S903 LSW905 1 2 S906 LSW907 1 2 LSW908 1 2 LSW909 1 2 LSW910 1 2 LSW911 1 2 S912 LSW913 1 2 LSW914 1 2 LSW915 1 2 LSW916 1 2 LSW917 ...

Страница 26: ... INTERFACE SCF OSC FOCUS REGISTER TRACKING REGISTER OCTUPLED OVERSAMPLING DIGITAL FILTER NOISE SHAVER OUTPUT BUFFER NOISE SHAVER OUTPUT BUFFER DE EMPHASIS CIRCUIT 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 ...

Страница 27: ...BASS TREBLE MIDDLE 15dB 15dB 1dB STEP VOLUME 23 79dB dB 1dB STEP VOLUME 23 79dB dB 1dB STEP INPUT GAIN 0 15dB 1dB STEP INPUT SELECTOR 4 STEREO INCLUDE 1 ISOLATION INPUT INPUT GAIN 0 15dB 1dB STEP MUTE MUTE 6 7 8 9 10 11 3 4 5 2 1 D GND A GND FIL BUS RCH AN BUS LCH TU RCH TU LCH CD RCH CD LCH D1 D2 SDA SCL MUTE SEL ADJ VCC OUT FR OUT RR OUT FL OUT RL VCC VCC 2 TONE PASS TONE PASS ...

Страница 28: ... TEMPERATURE PROTECTION BACK UP SWITCH REGULATOR 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 TAB OUT FL OUT FL OUT RL OUT RL IN RL S GND IN RR OUT RR OUT RR OUT FR OUT FR DIAG ANT REM AMP REM SERVO5V MECH6V VP B UP B SDA SCL VP2 PGND3 SVR IN FL IN FR BEEP PGND2 VP1 STB PGND1 RST CRES AUDIO8 3V GND PANEL B CBU FL RL RR VP FR I 2 C BUS ...

Страница 29: ...r 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 1 X 3382 709 2 PANEL ASSY SUB 2 3 042 244 11 SCREW T 3 X 3383 739 1 LOCK ASSY S 4 1 776 527 61 CORD WITH CONNECTOR ISO POWER 5 3 246 450 01 BRACKET CD 6 3 376 464 11 SCREW PTT 2 6X6 GROUND POINT 7 A 3283 337 A MAIN BOARD COMPLETE 8 3 246 481 01 PLATE TU GROUN...

Страница 30: ...4 54 55 51 X 3384 294 1 PANEL SUB ASSY FRONT 52 X 3383 959 1 BUTTON ASSY S 53 3 246 463 01 FILTER IR 54 3 246 466 01 PLATE CD LIGHT GUIDE 55 3 246 479 01 SPRING RELEASE 56 3 246 454 03 PANEL CD FRONT BACK 57 X 3383 264 2 CASE ASSY for FRONT PANEL 58 A 3372 502 A PANEL OVERALL ASSY FRONT 59 1 694 977 11 CONDUCTIVE BOARD CONNECTION 60 3 251 320 01 EMBLEM NO 2 5 SONY LCD901 1 805 078 11 DISPLAY PANEL...

Страница 31: ... 101 A 3315 247 D CHASSIS T U ASSY 102 3 931 909 01 SPRING LR TENSION 103 3 931 913 11 RING ROLLER RETAINING 104 3 338 737 01 SCREW 2X3 PS 105 A 3315 040 A ROLLER ASSY ARM 106 A 3283 270 A SERVO BOARD COMPLETE 107 1 683 666 12 PICK UP FLEXIBLE BOARD 108 3 039 629 02 BRACKET MOTOR 109 3 225 784 02 SPRING RA3 TENSION 110 3 933 152 03 ROLLER S M903 A 3315 039 A MOTOR SUB ASSY LD LOADING 7 7 627 553 3...

Страница 32: ... E CHASSIS M ASSY 152 3 931 897 71 DAMPER T 153 3 039 627 01 LEVER D 154 3 040 165 03 RETAINER DISC 155 3 014 727 01 WHEEL LW WORM 156 3 931 895 01 SPRING CH TENSION 157 3 931 898 01 SPRING FL COMPRESSION 158 3 032 483 02 SPRING KF1 TENSION 159 3 018 272 01 WASHER 160 3 220 180 01 SPRING TR2 TENSION 161 3 931 881 11 LEVER LOCK 162 3 931 882 02 GEAR MDL 163 3 007 537 11 WHEEL U WORM 164 3 007 536 0...

Страница 33: ...ot supplied SUB CD board not supplied LIMIT board 201 X 3378 598 5 CHASSIS OP ASSY including M901 202 3 043 494 01 SPRING SL TORSION 203 3 040 170 01 BASE DRIVING 204 3 040 419 01 GEAR MIDWAY 205 A 3291 669 A SHAFT FEED ASSY 206 3 025 743 01 SPRING FEED LEAF 207 1 683 665 11 MOTOR FLEXIBLE BOARD 208 3 909 607 01 SCREW 0209 8 820 165 06 OPTICAL PICK UP KSS 721A C RP 210 3 338 737 01 SCREW 2X3 PS 21...

Страница 34: ...9 01 LED NSCW505T ARS LCD BACK LIGHT LED951 6 500 511 01 LED CL 270PG C TS DISC IND R LED952 6 500 511 01 LED CL 270PG C TS DISC IND L SWITCH LSW904 1 762 619 11 SWITCH KEYBOARD WITH LED VOLUME LSW905 1 762 619 11 SWITCH KEYBOARD WITH LED VOLUME LSW907 1 771 609 31 SWITCH TACTILE WITH LED ATT LSW908 1 771 609 31 SWITCH TACTILE WITH LED BTM LSW909 1 771 609 31 SWITCH TACTILE WITH LED SENS LSW910 1 ...

Страница 35: ...1 METAL CHIP 0 5 1 10W C301 1 126 153 11 ELECT 22uF 20 6 3V C302 1 126 153 11 ELECT 22uF 20 6 3V C303 1 126 153 11 ELECT 22uF 20 6 3V C305 1 124 584 00 ELECT 100uF 20 10V C332 1 164 182 11 CERAMIC CHIP 0 0033uF 10 50V C333 1 164 182 11 CERAMIC CHIP 0 0033uF 10 50V C334 1 164 182 11 CERAMIC CHIP 0 0033uF 10 50V C335 1 164 182 11 CERAMIC CHIP 0 0033uF 10 50V C343 1 162 970 11 CERAMIC CHIP 0 01uF 10 ...

Страница 36: ...SISTOR JC1 1 216 296 11 SHORT CHIP 0 JC20 1 216 864 11 METAL CHIP 0 5 1 10W JC53 1 216 296 11 SHORT CHIP 0 JC88 1 216 821 11 METAL CHIP 1K 5 1 10W JC304 1 216 864 11 METAL CHIP 0 5 1 10W JC401 1 216 864 11 METAL CHIP 0 5 1 10W JC406 1 216 296 11 SHORT CHIP 0 JC407 1 216 296 11 SHORT CHIP 0 JC431 1 216 296 11 SHORT CHIP 0 JC441 1 216 296 11 SHORT CHIP 0 JC444 1 216 296 11 SHORT CHIP 0 JC479 1 216 8...

Страница 37: ...45 11 METAL CHIP 100K 5 1 10W R536 1 216 845 11 METAL CHIP 100K 5 1 10W R537 1 216 845 11 METAL CHIP 100K 5 1 10W R539 1 249 417 11 CARBON 1K 5 1 4W R540 1 216 845 11 METAL CHIP 100K 5 1 10W R541 1 216 845 11 METAL CHIP 100K 5 1 10W R582 1 216 821 11 METAL CHIP 1K 5 1 10W R583 1 216 821 11 METAL CHIP 1K 5 1 10W R584 1 216 849 11 METAL CHIP 220K 5 1 10W R585 1 216 849 11 METAL CHIP 220K 5 1 10W R60...

Страница 38: ...10K 5 1 10W R9 1 216 840 11 METAL CHIP 39K 5 1 10W R10 1 216 835 11 METAL CHIP 15K 5 1 10W R12 1 216 837 11 METAL CHIP 22K 5 1 10W R14 1 216 841 11 METAL CHIP 47K 5 1 10W R15 1 216 841 11 METAL CHIP 47K 5 1 10W R17 1 216 809 11 METAL CHIP 100 5 1 10W R18 1 216 809 11 METAL CHIP 100 5 1 10W R19 1 216 809 11 METAL CHIP 100 5 1 10W R20 1 216 809 11 METAL CHIP 100 5 1 10W R21 1 216 821 11 METAL CHIP 1...

Страница 39: ...39 CDX L495EE MEMO ...

Страница 40: ...ON 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 2003 10 New ...

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