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CDX-L350/L450X/L470X

D/A

CONV

TRACKING

ERROR

FORCUS

ERROR

OSC

EFM

DEMOD

SERVO

CTL

RF
EQ

DSUB CODE

PROCESS

I/F

DRIVE

FOCUS

COIL

DRIVE

TRACKING

COIL

DRIVE

SLED

MOTOR

DRIVE

SPINDLE

MOTOR

DRIVE

MOTOR

DRIVE

62 63 64 65

POWER

CONTROL
Q905,906

POWER

CONTROL

Q921

REG

Q907,D908

REG

Q910,D910

M902

(SLED)

M901

(SPINDLE)

M903

(LOADING)

SW3

(DISC IN)

SW2

(SELF)

SW4

(LIMIT)

SW1

(DOWN)

16.9344MHz

OPTICAL PICK-UP

KSS-720A

I-V

CONV.

CDL

STB

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

RESET

S901

RESET

IC902

U_COM+5V

BATT

D909

LOUT

ROUT

PACK

TSTB

TSI

TSCK

RFOK

SCK

STB

XTALEN

RST

RESET

APC

FCS-

FCS+

TRK+

TRK-

SL-

SL+

SP+

SP-

LD-

LD+

FOCUS

COIL

TRACKING

COIL

LOAD

EJECT

SYSTEM CONTROL

IC801(1/3)

RF AMP,DIGITAL SERVO

DIGITAL SIGNAL PROCESSOR

IC1

FOCUS/TRACKING COIL DRIVE

SLED/SPINDLE/LOADING MOTOR DRIVE

IC2

• Signal path

:CD

A_5V

AU_5V

D_5V

DR_6V

4-2. BLOCK DIAGRAM — CD SECTION —

(Page 20)

Содержание CDX-L350 - Fm/am Compact Disc Player

Страница 1: ...ective lens surface on the Optical Pick up Block Tuner section FM Tuning range CDX L350 87 5 107 9 MHz CDX L450X L470X FM tuning interval 50 kHz 200 kHz switchable 87 5 108 MHz at 50 kHz step 87 5 107 9 MHz at 200 kHz step Antenna terminal External antenna connector Intermediate frequency 10 7 MHz Usable sensitivity 11 dBf Selectivity 75 dB at 400 kHz Signal to noise ratio 65 dB stereo 68 dB mono ...

Страница 2: ...tic breakdown and also use the procedure in the printed matter which is included in the repair 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 emissio...

Страница 3: ...ck Diagram CD Section 19 4 3 Block Diagram Tuner Section 20 4 4 Block Diagram Display Section 21 4 5 Circuit Boards Location 21 4 6 Printed Wiring Boards CD Mechanism Section 22 4 7 Schematic Diagram CD Mechanism Section 24 4 8 Printed Wiring Board Main Section 25 4 9 Schematic Diagram Main Section 1 2 26 4 10 Schematic Diagram Main Section 2 2 27 4 11 Printed Wiring Board Display Section 28 4 12 ...

Страница 4: ...4 CDX L350 L450X L470X SECTION 1 GENERAL This section is extracted from instruction manual ...

Страница 5: ...5 CDX L350 L450X L470X ...

Страница 6: ...6 CDX L350 L450X L470X ...

Страница 7: ...7 CDX L350 L450X L470X Connections ...

Страница 8: ...8 CDX L350 L450X L470X ...

Страница 9: ...ote Follow the disassembly procedure in the numerical order given 2 1 SUB PANEL ASSY Set Sub Panel Assy CD Mechanism Block Chassis T Sub Assy Lever Section Servo Board Shaft Roller Assy Floating Block Assy Optical Pick up Block Main Board Heat Sink 1 PTT 2 6x6 2 PTT 2 6x6 3 claw 5 sub panel assy 4 claws three claws ...

Страница 10: ...0 CDX L350 L450X L470X 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 11: ...X L350 L450X L470X 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 12: ...al screws 1 CN3 3 Removal the solders 4 P 2x3 5 loading motor assy 8 SERVO board 2 CN2 7 special screw 4 claws 2 IN SELF SW board 7 lever L 3 tension spring LR 6 lever R 5 guide disc 1 special screw 2 6 LEVER SECTION 2 7 SERVO BOARD ...

Страница 13: ...rrow 2 damper T 3 damper T 5 Turn loading ring in the direction of the arrow Fig 1 1 tension spring RA 2 arm roller 3 retaing ring RA 4 shaft retainer 5 shaft roller assy retaing ring RA arm arm washer washer shaft retainer shaft retainer 2 9 FLOATING BLOCK ASSY 2 8 SHAFT ROLLER ASSY When installing take note of the positions arm roller and washers Fig 1 ...

Страница 14: ...14 CDX L350 L450X L470X 1 P 2x3 2 sled motor assy 3 optical pick up block 2 10 OPTICAL PICK UP BLOCK ...

Страница 15: ...ng sequence 1 FM Auto Scan Stop Level Adjustment 2 FM Stereo Separation Adjustment 3 AM Auto Scan Stop Level Adjustment Carrier frequency 97 9 MHz L350 98 0 MHz L450X L470X Output level 22 dB 12 6 µV Mode mono Modulation 1 kHz 22 5 kHz deviation 30 TEST MODE This set have the test mode function In the test mode FM Auto Scan Stop Level and AM Auto Scan Stop Level check can be performed easier than ...

Страница 16: ...98 0 MHz L450X L470X Output level 70 dB 3 2 mV Mode stereo Modulation main 1 kHz 33 75 kHz deviation 45 sub 1 kHz 33 75 kHz deviation 45 19 kHz pilot 7 5 kHz deviation 10 L CH stereo separation A B R CH stereo separation C D The separations of both channels should be equal Specification Separation more than 24 dB Adjustment Location FM stereo Level meter Level meter signal generator connection rea...

Страница 17: ... IC data output 23 PLL CE O PLL 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 32 DST SEL I Destination select input 33 TEST I Force test mode input 34 AVREF A D converter power supply pin 5 V 35 AVDD A D...

Страница 18: ... IC serial 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 19: ...LOADING SW3 DISC IN SW2 SELF SW4 LIMIT SW1 DOWN X1 16 9344MHz OPTICAL PICK UP KSS 720A 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...

Страница 20: ... REAR CD SECTION A MUTE CONT Q401 402 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 13 ATT 5 AMP REM 6 8 19 ANT REM GND R CH F901 10A TELEPHONE MUTE Q901 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 91...

Страница 21: ...Y 1 KEY 0 KEY 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 SERVO board IN SELF SW board SPEAKER board SL SW board Main Board 1 2 32 768kHz IC801 ej XT2 3 8Vp p 5Vp p 8 38MHz IC801 r X2 Waveforms Servo Board...

Страница 22: ...ess otherwise specified indicates tolerance f internal component C panel designation A B Line Power voltage is dc 14 4V and fed with regulated dc 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 tio...

Страница 23: ...23 23 CDX L350 L450X L470X Page 25 Ref No Location IC1 D 2 IC2 G 2 Q1 B 3 Semiconductor Location ...

Страница 24: ...IC B D Refer to page 21 for Waveforms 4 7 SCHEMATIC DIAGRAM CD MECHANISM SECTION Refer to page 30 for IC Block Diagrams Page 27 Note Voltage and waveforms are dc with respect to ground under no signal detuned conditions no mark CD PLAY ...

Страница 25: ...7 C 10 D918 C 8 D919 B 10 D920 A 9 D921 A 9 D922 C 10 D923 G 10 D930 I 12 D999 H 13 IC101 B 7 IC401 D 5 IC601 G 4 IC801 I 8 IC902 K 12 Q101 C 3 Q102 C 4 Q201 C 5 Q202 C 4 Q401 D 8 Q402 E 8 Q601 E 3 Q602 E 3 Q603 I 3 Q604 I 5 Q605 I 3 Ref No Location Semiconductor Location Ref No Location Ref No Location Q606 I 4 Q901 I 11 Q902 E 11 Q903 F 12 Q904 E 12 Q905 H 11 Q906 H 11 Q907 B 13 Q909 E 11 Q910 F...

Страница 26: ...IC B D IC B D A US Canadian E Model AEP Model 4 9 SCHEMATIC DIAGRAM MAIN SECTION 1 2 Refer to page 30 for IC Block Diagrams Page 27 Note Voltage is dc with respect to ground under no signal detuned condition no mark FM AM CD PLAY ...

Страница 27: ...0X L470X A 4 10 SCHEMATIC DIAGRAM MAIN SECTION 2 2 Refer to page 21 for Waveforms Page 24 Page 26 Page 29 Note Voltage and waveforms are dc with respect to ground under no signal detuned conditions no mark FM AM CD PLAY ...

Страница 28: ...552 B 4 D553 B 4 D554 A 5 D555 B 13 D561 B 1 D562 C 1 D563 C 1 Ref No Location Semiconductor Location Ref No Location SIDE B D564 A 2 D565 B 2 D566 C 2 D567 A 5 D568 A 4 D569 A 3 D570 A 2 D571 A 10 Ref No Location D572 A 9 D573 A 8 D574 A 6 D575 A 12 D576 B 12 D577 C 12 D578 A 11 D579 A 12 D580 A 13 D581 C 13 IC551 B 7 IC552 C 13 Ref No Location ...

Страница 29: ...29 29 CDX L350 L450X L470X Volume Volume 4 12 SCHEMATIC DIAGRAM DISPLAY SECTION Page 27 Note Voltage is dc with respect to ground under no signal detuned condition no mark FM ...

Страница 30: ...IRCUIT 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 ...

Страница 31: ...12 LIN 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 32: ...mark 0 or dotted line with mark 0 are critical for safety Replace only with part number specified Les composants identifiés par une marque 0 sont critiques pour la sécurité Ne les remplacer que par une piéce portant le numéro spécifié Ref No Part No Description Remark 5 1 CHASSIS SECTION R Ref No Part No Description Remark R 1 X 3379 736 1 PANEL ASSY SUB 2 X 3380 594 1 LOCK ASSY S 3 3 224 309 01 C...

Страница 33: ...2 3 224 605 01 BUTTON SEEK AMS 53 3 224 606 01 BUTTON RELEASE 54 3 229 774 01 SPRING RELEASE 55 3 224 604 01 BUTTON L350 55 3 224 604 11 BUTTON L450X L470X 56 3 224 601 01 BUTTON EJECT 57 3 224 603 01 BUTTON OFF 58 3 224 600 01 BUTTON 1 6 59 3 224 602 01 BUTTON SOURCE 60 3 227 293 01 SHEET LCD 61 3 224 609 01 PLATE LCD GROUND 62 3 224 610 01 SHEET LCD DIFFUSION 63 X 3379 734 1 HOLDER LCD ASSY 64 3...

Страница 34: ...IS T 103 3 040 038 01 SPRING LR TENSION 104 3 040 050 01 LEVER L 105 3 040 022 01 RETAINER ROLLER SHAFT 106 3 040 044 01 ROLLER S 107 3 040 067 01 LEVER R 108 A 3301 980 A SHAFT ROLLER ASSY 109 3 040 037 01 GUIDE DISC 110 3 040 040 01 ARM ROLLER 111 A 3283 048 A SERVO BOARD COMPLETE 112 3 221 779 01 BRACKET MOTOR 113 3 040 034 01 SPRING RA TENSION 114 3 040 042 01 WASHER 115 3 043 880 01 RING RA R...

Страница 35: ... 152 3 040 031 01 DAMPER T 153 3 040 056 01 LEVER D 154 3 040 024 01 RETAINER DISC 155 3 040 053 01 RING LOADING 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 01 ...

Страница 36: ... remplacer que par une piéce portant le numéro spécifié M902 M901 8 8 6 206 211 209 210 205 208 204 203 202 207 201 201 X 3378 480 1 CHASSIS OP ASSY including M901 202 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 1 676 707 11 PICK UP FLEXIBLE BOARD 207 1 677 182 11 MOTOR FLEXIBLE BOARD 208 1 676 708 11 SL SW BOARD 20...

Страница 37: ...9 083 97 LED SA1316 M SEEK AMS L450X L470X D563 8 719 083 96 LED SM1316 L Z L350 D563 8 719 083 97 LED SA1316 Z L450X L470X D564 8 719 083 97 LED SA1316 OFF L450X L470X D564 8 719 083 99 LED SG1316 OFF L350 D565 8 719 083 98 LED SO1316 D D BASS D566 8 719 083 98 LED SO1316 MBP D567 8 719 083 96 LED SM1316 L 5 L350 D567 8 719 083 97 LED SA1316 5 L450X L470X D568 8 719 083 96 LED SM1316 L 6 L350 D56...

Страница 38: ...390 5 1 16W L350 R567 1 216 817 11 METAL CHIP 470 5 1 16W L450X L470X R568 1 216 816 11 METAL CHIP 390 5 1 16W L350 R568 1 216 817 11 METAL CHIP 470 5 1 16W L450X L470X R569 1 216 816 11 METAL CHIP 390 5 1 16W L350 R569 1 216 817 11 METAL CHIP 470 5 1 16W L450X L470X R570 1 216 816 11 METAL CHIP 390 5 1 16W L350 R570 1 216 817 11 METAL CHIP 470 5 1 16W L450X L470X R571 1 216 817 11 METAL CHIP 470 ...

Страница 39: ... 1 164 227 11 CERAMIC CHIP 0 022uF 10 25V C604 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C605 1 104 665 11 ELECT 100uF 20 10V C606 1 104 665 11 ELECT 100uF 20 10V C608 1 164 156 11 CERAMIC CHIP 0 1uF 25V C609 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C610 1 124 233 11 ELECT 10uF 20 16V C611 1 162 927 11 CERAMIC CHIP 100PF 5 50V C612 1 162 927 11 CERAMIC CHIP 100PF 5 50V C613 1 162 927 11 CERAMIC CHIP ...

Страница 40: ...79 97 DIODE CRZ22 TE85L SONY D922 8 719 079 42 DIODE 1ZB22 TPA3 D923 8 719 110 14 DIODE RD9 1ESB3 D930 8 719 109 89 DIODE RD5 6ESB2 D999 8 719 991 33 DIODE 1SS133T 77 IC IC101 8 759 827 14 IC TA8268AH IC401 8 759 827 11 IC LC75421M TLM IC601 8 759 586 59 IC TB2118F EL IC801 8 759 837 06 IC uPD780024AGK B26 9ET IC902 8 759 837 07 IC S7139SF JUMPER RESISTOR JR1 1 216 864 11 SHORT 0 JR101 1 216 864 1...

Страница 41: ... 5 1 16W R613 1 216 833 11 METAL CHIP 10K 5 1 16W R614 1 216 821 11 METAL CHIP 1K 5 1 16W R615 1 216 821 11 METAL CHIP 1K 5 1 16W R616 1 216 845 11 METAL CHIP 100K 5 1 16W R617 1 216 825 11 METAL CHIP 2 2K 5 1 16W R618 1 216 845 11 METAL CHIP 100K 5 1 16W R619 1 216 817 11 METAL CHIP 470 5 1 16W R620 1 216 817 11 METAL CHIP 470 5 1 16W L350 R620 1 216 821 11 METAL CHIP 1K 5 1 16W L450X L470X R621 ...

Страница 42: ...AMIC CHIP 0 022uF 10 25V C3 1 164 227 11 CERAMIC CHIP 0 022uF 10 25V C4 1 104 609 11 ELECT CHIP 100uF 20 4V C5 1 164 227 11 CERAMIC CHIP 0 022uF 10 25V C6 1 164 227 11 CERAMIC CHIP 0 022uF 10 25V C7 1 126 394 11 ELECT CHIP 10uF 20 16V C8 1 107 826 11 CERAMIC CHIP 0 1uF 10 16V C9 1 162 924 11 CERAMIC CHIP 56PF 5 50V C10 1 162 924 11 CERAMIC CHIP 56PF 5 50V C11 1 162 909 11 CERAMIC CHIP 4PF 0 25PF 5...

Страница 43: ...NNECTOR POWER US CND E 4 1 776 527 11 CORD WITH CONNECTOR ISO POWER AEP 201 X 3378 480 1 CHASSIS OP ASSY including M901 206 1 676 707 11 PICK UP FLEXIBLE BOARD 207 1 677 182 11 MOTOR FLEXIBLE BOARD 0210 8 820 103 03 PICK UP OPTICAL KSS 720A K1RP 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 PACKING MAT...

Страница 44: ... 252 3 916 012 01 BRACKET ND FITTING ASSIST L350 253 7 682 160 01 SCREW P 4X6 L350 254 X 3368 725 1 SCREW ASSY FITTING L350 255 3 224 614 01 COLLAR 256 X 3366 405 1 SCREW ASSY EXP FITTING L450X L470X 257 3 030 929 04 SPRING FITTING 258 3 934 325 01 SCREW K 5X8 TP 259 1 776 206 21 CORD WITH CONNECTOR POWER US CNDE 259 1 776 527 11 CORD WITH CONNECTOR ISO POWER AEP ...

Страница 45: ...SION HISTORY 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 01 New ...

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