SONY CDX-L300 460X 电路图.pdf

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1、1 Model Name Using Similar Mechanism CDX-L250/L430X NEW CD Drive Mechanism Type MG-393X-121/K MG-393XA-121/K Optical Pick-up NameKSS-720A SERVICE MANUALUS Model Canadian Model CDX-L300 E Model CDX-L460X CDX-L300/L460X FM/AM COMPACT DISC PLAYER Photo: CDX-L460X The CD sections have no adjustments. AU

2、DIO POWER SPECIFICATIONS (US Model) POWER OUTPUT AND TOTAL HARMONIC DISTORTION 22 watts per channel minimum continuous average power into 4 ohms, 4 channels driven from 20 Hz to 20 kHz with no more than 5% total harmonic distortion. CD player section Signal-to-noise ratio90 dB Frequency response10 2

3、0,000 Hz Wow and flutterBelow measurable limit Laser Diode Properties (CDX-L300) MaterialGaAlAs Wavelength780 nm Emission DurationContinuous Laser output powerLess than 44.6 W* * This output is the value measured at a distance of 200 mm from the objective lens surface on the Optical Pick-up Block. T

4、uner section FM Tuning rangeCDX-L300: 87.5 107.9 MHz CDX-L460X: 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 terminalExternal antenna connector Intermediate frequency10.7 MHz Usable sensitivity11 dBf Selectivity75 dB at 400 kHz

5、Signal-to-noise ratio65 dB (stereo), 68 dB (mono) SPECIFICATIONS Harmonic distortion at 1 kHz 0.7% (stereo), 0.5% (mono) Separation33 dB at 1 kHz Frequency response30 15,000 Hz AM Tuning rangeCDX-L300: 530 1,710 kHz CDX-L460X: AM tuning interval: 9 kHz/10 kHz switchable 531 1,602 kHz (at 9 kHz step)

6、 530 1,710 kHz (at 10 kHz step) Antenna terminalExternal antenna connector Intermediate frequency10.7 MHz/450 kHz Sensitivity30 V Power amplifier section OutputsSpeaker outputs (sure seal connectors) Speaker impedance4 8 ohms Maximum power output 45 W 4 (at 4 ohms) Continued on next page Ver 1.0 200

7、1. 11 9-873-402-01 2001K0400-1 2001. 11 Sony Corporation e Vehicle Company Published by Sony Engineering Corporation RadioFans.CN 收音机爱 好者资料库 2121 CDX-L300/L460X 84 85 82 83 16 12 D/A CONV TRACKING ERROR FORCUS ERROR 9 1 OSC EFM DEMOD SERVO CTL RF EQ 52 56 54 55 DSUB CODE PROCESS 8 7 6 5 4 3 2 62 1 4

8、5 2 63 50 51 54 55 56 61 60 58 57 I/F 87 86 97 98 LD DRIVE Q1 FOCUS COIL DRIVE TRACKING COIL DRIVE SLED MOTOR DRIVE SPINDLE MOTOR DRIVE LOADING MOTOR DRIVE 6 5 23 2 15 16 17 18 13 14 11 12 9 10 26 6263 6465 5 4 36 POWER CONTROL Q905,906 POWER CONTROL Q921 REG Q907,D908 REG Q910,D910 M902 (SLED) M901

9、 (SPINDLE) M903 (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 2324 M M M 1RESET S581 (RESET) 2 IC902 U_COM+5V BATT D909 LOUT

10、ROUT PACK TSTB TSI TSCK SI RFOK SO SCK STB AO XTALEN RST RESET A C B D E F PD LD B D A C E F PD A5V LD APC FCS- FCS+ TRK+ TRK- SL- SL+ SP+ SP- LD- LD+ FOCUS COIL TRACKING COIL FD TD SD MD LOAD EJECT SYSTEM CONTROL IC801(1/3) RF AMP,DIGITAL SERVO DIGITAL SIGNAL PROCESSOR FOCUS/TRACKING COIL DRIVE, SL

11、ED/SPINDLE/LOADING MOTOR DRIVE FD TD SD MD Signal path :CD R-ch is omitted due to same as L-ch. A_5V AU_5V D_5V DR_6V IC1(MG-393X-121/K) IC1(MG-393XA-121/K) IC2(MG-393X-121/K) IC2(MG-393XA-121/K) 3-2. BLOCK DIAGRAM CD SECTION (Page 22) RadioFans.CN 收音机爱 好者资料库 2222 CDX-L300/L460X 3-3. BLOCK DIAGRAM T

12、UNER SECTION (Page 21) CNJ601 (ANTENNA) 216 1 FM_ANTL-CH 17R-CH CDL 24DET_OUT 11 FM/AM_OSC 14AM_VT 6FM_VT 20IF_COUNT 19OSC-IN 21 12 9 S_METER TU+B 22SD/ST_IND FM_VCC AM_VCC AM_ANT TUNER UNIT TU601 11 12 13 2 1 36 17 21 18 14 5 SYSTEM CONTROL IC801 (2/3) PLL IC601 ELECTRONIC VOLUME IC401 LF OUT 4 33

13、34 LR OUT RF OUT R-CH RR OUT 8BEEP ATT 53 7 P.ON 6A_ATT 59ACC IN L5 L1 L2 R2 CE DI CL VOL_CLK VOL_DO VOL_CE 17 22 21 PLL_DI PLL_DO PLL_CLK 23 PLL_CE LCL DST_SEL S_METER FM 200k AM 10k FM 50k AM 9k FREQUENCY SELECT FM POWER CONTROL Q605,606 SW801 L300 L460X SD_IND AUDIO OUT REAR CD SECTION A MUTE CON

14、T Q401,402 Q102 MUTE R-CH DELAYBATT 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) 5AMP REM 6 8 17 ANT REM GND R-CH F901 10A 7ACC 15 TEST 33TEST AMP_ON ACC CHECK Q902 32 13 25 FM/AM_VC

15、C 26 28 () 19 18 L R Signal path :FM :AM :CD R-ch is omitted due to same as L-ch. AMP POWER CONTROL Q911,917 BACK-UP CHECK Q903,904,D906,907 TUNER+8V REG Q912,913,D913 COM+8V REG Q918,919,929,D923 U_COM+5 V REG Q920,D930,D999 U_COM+5V COM+8V TU+B R-CH 8 FM_VCO15 AM_VCO16 FM_CP18 VT19 AM_CP20 OSC2 SE

16、EK XO XI 10 IFC13 MONO1124 1 CE 3 CK 5 D_IN 4 D_OUT 6 X601 10.25MHz 3AM_DX/LCL 52TU_ON 46BU_IN 15FM_ON 14AM_ON 49 AM POWER CONTROL Q603,604 RadioFans.CN 收音机爱 好者资料库 23 CDX-L300/L460X 3-4. BLOCK DIAGRAM DISPLAY SECTION KEY MATRIX S501-511, S512-521 KEY ACTIVE Q916 X802 32.768kHz 37 38 40 41 29 18 20 1

17、930 43 47 SYSTEM CONTROL IC801 (3/3) LCD DRIVE IC551 KEY 0 DATA CLK CE LCD DO LCD CLK LCD CE ILL POWER CONTROLLER Q914 INITIAL RESET D552 SWITCH Q915 ILL + B KEY 1 KEY 1 KEY 0 KEY ACK AD ON XT2 XT1 X2 48ILL ON BATT X1 X801 8.38MHz LED501-504 D561-581 LCD BACK LIGHT 62 61 60 COM1 COM2 LCD LCD501 D914

18、 () KEY ILLUMINATION() 64 63 1 | 23 25 | 53 SEG1 SEG52 | DATA CLK CE ILL+B 57 INH 24 CDX-L300/L460X 3-5. CIRCUIT BOARDS LOCATION MAIN board tuner unit (TU601) DISPLAY board SERVO board IN SELF SW board SPEAKER board SL SW board Waveforms Servo Board (MG-393X-121/K) (MODE: CD PLAY) 1 2 3 IC1 ts (PACK

19、) IC1 uj (RFO) 1.2Vp-p 4 Approx. 1Vp-p IC1 oa (FEO) 0V 5 Approx. 400mVp-p IC1 od (TEO) 4.4Vp-p 16.9344MHz IC1 wd (XTAL) 3Vp-p 0V 22.7sec Waveforms Servo Board (MG-393XA-121/K) (MODE: CD PLAY) 1 2 3 IC1 ts (PACK) IC1 uj (RFO) 1.2Vp-p 4 Approx. 1Vp-p IC1 oa (FEO) 0V 5 Approx. 400mVp-p IC1 od (TEO) 4.4

20、Vp-p 16.9344MHz IC1 wd (XTAL) 3Vp-p 0V 22.7sec Main Board 1 2 32.768kHz IC801 ej (XT2) 3.8Vp-p 5Vp-p 8.38MHz IC801 r; (X2) 2525 CDX-L300/L460X 3-6. SCHEMATIC DIAGRAM Refer to page 24 for Waveforms. CD MECHANISM SECTION (MG-393X-121/K) Refer to page 36 for IC Block Diagrams. IC B/D IC B/D (Page 33) N

21、ote: Voltage and waveforms are dc with respect to ground under no-signal (detuned) conditions. no mark : CD PLAY 3030 CDX-L300/L460X IC B/D IC B/D TP77 TP78 R29 R30 C43 TP79 TP80 TP81 TP82 TP83 TP84 CN2 CN3 TP85 M902 M901 SW2 TP4 TP2 TP3 M903 TP87 TP86 TP9TP8 R3R26 C4 TP10 C13 R5 C11 C10 C8 TP7 TP92

22、 R6 TP17 TP20 TP16 TP19 R25 TP21 TP18 R24 R7 TP6 C17 FB1 TP11 TP12 C9 C14 TP89 C19 C20C23 R9 R8 TP22 TP23 TP24 TP25 TP88 FB4 C26 TP32 R14 R15 TP30 R12 R10 TP91 C37 TP90 TP29 TP28 TP26 TP27 R21 R22 TP34 TP35 TP36 TP46 TP37 TP38 TP39 TP40 TP41 TP42 TP43 TP44 TP45 C35 FB2 CN1 R18 R19 R20 R17 TP66 FB7 F

23、B6 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 FB3 IC1 SW1 TP1 TP5 C44 C40 C1C5 C3C6 C15 C16 C24 C38 C36 C25 C29 C34 C45 C27 C41 C22 C21 C30 (Page 33) Note: Voltage and waveforms are

24、 dc with respect to ground under no-signal (detuned) conditions. no mark : CD PLAY 3-9. SCHEMATIC DIAGRAM Refer to page 24 for Waveforms. CD MECHANISM SECTION (MG-393XA-121/K) Refer to page 36 for IC Block Diagrams. 3232 CDX-L300/L460X IC B/D IC B/D C604 C605 C608 C627 R605 R601 R603 R602 C606 C603

25、C609 C610 L603 C612 C613 R607 C615 C619 R609 C621 R616 R617 R618 X601 C623 C622 C611 R606 C204 R210 R208 R110 C104 R108 R107 R109 C103 C105 C205 R105 R206 R106 C432 R612 R613 R619 C631 C626 C624 L604 C118 C218 C217 C216 C215 C213 C211 R215 R213 C208 C435 C101 C102 C202 C201 R401 C426 R407 C110 R113

26、C116 C117 C111 C113 C119 R716R714 R906 D903 D904 C902 R901 D901 L901 R620 R622 R628 C108 R604 CNJ601 R205 CNP501 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 C635 JW13

27、C620 R615 R408 IC101 D922 D919 D918 D917 D916 D915 D921 D920 C401 C210 L605 C666 D601 CP601 JR602 C848 R614 D604 R611 Q401 Q402 D445 D446 IC401 C219 IC601 Q604 Q606 L669 TU601 JR610 C650C651R621 R623 D666 3-11. SCHEMATIC DIAGRAM MAIN SECTION (1/2) Refer to page 36 for IC Block Diagrams.- (Page 33) N

28、ote: Voltage is dc with respect to ground under no-signal (detuned) condition. no mark : FM () : AM : CD PLAY 3333 CDX-L300/L460X ( M G - 3 9 3 X )( M G - 3 9 3 X A ) R908 R907 C904 TH901 R933 Q919 R934 R932 D923 C919 R930 D909 R931 Q920 D930 Q910 Q913 R912JR929 R913 C905 C907 D910 D908 R917 D913 R9

29、20 C916 R919 R918 Q915 R928 R925 R926 R927 R929 R924 R911 R910 D906 L703 L702 R921 R806 R807R808 X802C802 C801 CNP701 R802 R815 R814 R813 R812 R811 R810 R824 R922 R923 C809 SW801 CNP802 R817 R818 R822 R819 JR1 R711 R709 R710 R707 R708 R706 R705 R704 R840 C810 R841 R842 C843 C845 D914 Q904 D907 D999

30、C846 IC902 C915 C844 R909 R809 C914 Q907 C849 C806 X801 C804 C803 JR901 IC801 R843 JR903 C909 L701 C847 Q916 D810 Q909 Q912 Q905 Q906 Q921 Q914 Q929 Q918 Q911 Q917 Q902 Q903 C701 C702 C703 C704 C812 3-12. SCHEMATIC DIAGRAM MAIN SECTION (2/2) Refer to page 24 for Waveforms. Note: Voltage and waveform

31、s are dc with respect to ground under no-signal (detuned) conditions. no mark : FM () : AM : CD PLAY (Page 30) (Page 32) (Page 35) (Page 25) 3535 CDX-L300/L460X D554 JR501 R586 JR505 LED501LED503 D561D564D568D573D575 D565 D562 D563 D570D567 R565R566R578 D566 R567R568 R579 R580 D581 R569 R570R575 R57

32、3 R574R582 D578 D571 D572 D552 R552R553 C555C553 D551 C552 C551R551 R576R583 R571R581R572 D577 D576 D579 D580 D569D574 CNP553 CNP551 R587 R588 R559R560 R561R562 S512S513 S514S515 S501 S511S502S503S504S505S506S507S508S509S510 S516S517S518S519S520S521 S581 JR503 D553 LED502 LED504 R577R563R564 R501R502R503R504R505R506R507R508R509R510 R511R512R513R514R515R516R517R518R519 3-14. SCHEMATIC DIAGRAM DISPLAY SECTION (Page 33) Note: Voltage is dc with respect to ground under no-signal (detuned) condition. no mark : FM