Service Manual

Transcript

CDX-L300/L460X SERVICE MANUAL US Model Canadian Model Ver 1.0 2001. 11 CDX-L300 E Model CDX-L460X Photo: CDX-L460X • The CD sections have no adjustments. SPECIFICATIONS AUDIO 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. Model Name Using Similar Mechanism CDX-L250/L430X NEW CD Drive Mechanism Type MG-393X-121//K MG-393XA-121//K Optical Pick-up Name KSS-720A Harmonic distortion at 1 kHz 0.7% (stereo), 0.5% (mono) Separation 33 dB at 1 kHz Frequency response 30 – 15,000 Hz AM CD player section Tuning range Signal-to-noise ratio 90 dB Frequency response 10 – 20,000 Hz Wow and flutter Below measurable limit Laser Diode Properties (CDX-L300) Material GaAlAs Wavelength 780 nm Emission Duration Continuous Laser output power Less than 44.6 µW* * This output is the value measured at a distance of 200 mm from the objective lens surface on the Optical Pick-up Block. Tuner section CDX-L300: 530 – 1,710 kHz CDX-L460X: AM tuning interval: 9 kHz/10 kHz switchable 531 – 1,602 kHz (at 9 kHz step) 530 – 1,710 kHz (at 10 kHz step) Antenna terminal External antenna connector Intermediate frequency 10.7 MHz/450 kHz Sensitivity 30 µV Power amplifier section FM Tuning range CDX-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 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) 9-873-402-01 Sony Corporation 2001K0400-1 © 2001. 11 e Vehicle Company Published by Sony Engineering Corporation Outputs Speaker outputs (sure seal connectors) Speaker impedance 4 – 8 ohms Maximum power output 45 W × 4 (at 4 ohms) – Continued on next page – FM/AM COMPACT DISC PLAYER 1 CDX-L300/L460X 3-2. BLOCK DIAGRAM — CD SECTION — RF AMP,DIGITAL SERVO DIGITAL SIGNAL PROCESSOR IC1(MG-393X-121//K) IC1(MG-393XA-121//K) OPTICAL PICK-UP KSS-720A A 84 C 85 (Page 22) MAIN SECTION B D RF EQ A B 82 DSUB CODE PROCESS C I-V CONV. D LOUT 16 ROUT 12 D/A CONV EFM DEMOD 83 FORCUS ERROR I/F E E 87 F 86 PD 97 PD SERVO CTL PACK 52 TSTB 56 TSCK 55 TSI 54 SI 8 SO 7 SCK 6 STB 5 AO 4 RST 3 RFOK APC XTALEN OSC LD DRIVE Q1 SYSTEM CONTROL IC801(1/3) 54 X_SO 55 X_SI 56 X_SCK 61 STB 60 A0 58 X_RST 2 57 RFOK 9 62 XEN FOCUS COIL FCS+ TRK+ TRACKING COIL TRK- 15 16 17 18 FOCUS COIL DRIVE TRACKING COIL DRIVE 26 23 MD 62 63 64 65 FOCUS/TRACKING COIL DRIVE, SLED/SPINDLE/LOADING MOTOR DRIVE IC2(MG-393X-121//K) IC2(MG-393XA-121//K) FCS- SD LD TD 98 23 24 X1 16.9344MHz FD 1 D_SW SW1 (DOWN) 45 SELF_SW SW2 (SELF) TD 2 IN_SW SW3 (DISC IN) M902 (SLED) A A5V FD LD F TRACKING ERROR CDL R-CH M SL- SLED MOTOR DRIVE 5 12 SPINDLE MOTOR DRIVE 6 LD9 LD+ 10 LOADING MOTOR DRIVE SL+ M901 (SPINDLE) M M903 (LOADING) M SP+ SP- 13 14 11 63 L_SW SW4 (LIMIT) SD IC902 RESET 36 1 MD 1 RESET 2 U_COM+5V S581 (RESET) LOAD 4 LM _LO EJECT 2 5 LM_ EJ A_5V POWER CONTROL Q905,906 REG Q910,D910 D909 POWER CONTROL Q921 AU_5V D_5V REG Q907,D908 DR_6V 21 50 CDM ON BATT 21 51 XCD_ON • Signal path :CD • R-ch is omitted due to same as L-ch. CDX-L300/L460X 3-3. BLOCK DIAGRAM — TUNER SECTION — PJ401 L AUDIO OUT REAR R R-CH A TUNER UNIT TU601 CNJ601 (ANTENNA) L-CH 16 R-CH 17 1 AM_ANT DET_OUT 24 CD SECTION POWER AMP IC101 ELECTRONIC VOLUME IC401 (Page 21) CDL LF OUT 5 12 5 3 1 FL+ 9 FL– LR OUT 4 11 9 7 2 RL+ 10 RL– 14 L5 18 L1 2 FM_ANT R-CH 17 L2 21 R2 Q102 MUTE RF OUT 33 RR OUT 34 8 LCL FM/AM_OSC 11 15 FM_VCO 16 AM_VCO FM_VT 6 AM_VT 14 OSC-IN 19 IF_COUNT 20 TU+B FM POWER CONTROL Q605,606 18 FM_CP 19 VT 20 AM_CP 2 10 13 11 3 RR+ 11 RR– ATT BEEP P.ON A_ATT D402 7 8 53 6 DELAY BATT ACC CHECK Q902 ACC IN 59 6 4 5 3 17 22 21 23 PLL_DI PLL_DO PLL_CLK PLL_CE 7 ACC 15 TEST TEST 33 BATT OSC SEEK IFC MONO R-CH MUTE CONT Q401,402 11 VOL_CLK 12 VOL_DO 13 VOL_CE D_OUT D_IN CK CE 4 FR+ 12 FR– 4 STBY 22 MUTE AMP POWER CONTROL Q911,917 5 AMP REM 6 ANT REM AMP_ON 49 XO 1 GND Q909 X601 10.25MHz 13 • FM/AM_VCC 25 S_METER 21 SD/ST_IND 22 8 TU_ON 52 XI 24 BACK-UP CHECK Q903,904,D906,907 BU_IN 46 17 19 28 S_METER 26 SD_IND TU+B TUNER+8V REG Q912,913,D913 F901 10A 12 FM_VCC 18 (FREQUENCY SELECT ) SW801 COM+8V AM POWER CONTROL Q603,604 16 AUX-IN R-CH SYSTEM CONTROL IC801 (2/3) PLL IC601 Q101 MUTE R-CH 2 CE 1 DI 36 CL AM_DX/LCL 3 CNP501 FM 200k AM 10k 32 DST_SEL 9 AM_VCC FM_ON 15 AM_ON 14 FM 50k AM 9k L460X 16 +B (BATT) COM+8V REG Q918,919,929,D923 U_COM+5V U_COM+5 V REG Q920,D930,D999 BATT • Signal path L300 :FM :AM :CD • R-ch is omitted due to same as L-ch. 22 22 CDX-L300/L460X 3-4. BLOCK DIAGRAM — DISPLAY SECTION — SYSTEM CONTROL IC801 (3/3) KEY 0 KEY MATRIX S501-511, S512-521 KEY 1 29 KEY 0 30 KEY 1 LCD DRIVE IC551 1 | SEG1 23 | • SEG52 25 | 53 62 DATA CLK 61 CLK CE 60 CE LCD DO 18 LCD CLK 20 LCD CE 19 D914 LCD LCD501 COM1 64 • 43 KEY ACK INH KEY ACTIVE Q916 57 47 AD ON INITIAL RESET D552 ILL ON 48 ILL POWER CONTROLLER Q914 BATT X802 32.768kHz 37 XT2 38 XT1 • COM2 63 X2 40 X1 41 X801 8.38MHz ILL+B ILL + B D561-581 KEY (ILLUMINATION ) SWITCH Q915 BACK ( LCDLIGHT ) LED501-504 23 CDX-L300/L460X 3-5. CIRCUIT BOARDS LOCATION SERVO board IN SELF SW board SPEAKER board tuner unit (TU601) DISPLAY board MAIN board SL SW board • Waveforms — Servo Board — (MG-393X-121//K) • Waveforms — Servo Board — (MG-393XA-121//K) (MODE: CD PLAY) (MODE: CD PLAY) 1 1 1 4.4Vp-p wd 16.9344MHz (XTAL) IC1 2 wd 32.768kHz (XTAL) IC801 2 22.7µsec (PACK) IC1 3 ts 1.2Vp-p uj 8.38MHz 1.2Vp-p (RFO) IC1 4 uj (RFO) 4 0V 0V Approx. 1Vp-p IC1 oa Approx. 1Vp-p (FEO) IC1 5 oa (FEO) 5 0V Approx. 400mVp-p IC1 od (TEO) 5Vp-p IC801 (PACK) 3 IC1 (XT2) 3Vp-p 22.7µsec ts ej 2 3Vp-p IC1 3.8Vp-p 4.4Vp-p 16.9344MHz IC1 24 — Main Board — 0V Approx. 400mVp-p IC1 od (TEO) r; (X2) 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) Note: • Voltage and waveforms are dc with respect to ground under no-signal (detuned) conditions. no mark : CD PLAY 25 25 CDX-L300/L460X 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. CN2 C20 TP8 C19 TP77 TP78 R3 R29 R30 R26 C23 R9 C1 C5 C43 C4 C6 R8 C18 C3 TP89 TP79 TP80 FB4 C24 TP88 TP9 TP22 TP23 TP24 TP25 Q1 FB2 C35 C14 TP81 TP82 TP83 TP84 TP45 TP44 TP43 TP42 TP41 TP10 C13 C11 R5 TP40 TP39 TP38 TP37 SW4 TP7 C15 IC1 TP46 C10 TP36 C38 TP12 C9 TP11 CN13 CN3 C8 TP85 TP35 TP34 M902 C36 C16 M901 IC B/D TP92 C25 C44 C29 CN1 C17 FB1 C40 R18 X1 SW1 C34 FB3 C45 C26 C27 C41 TP1 TP5 R19 R20 TP6 R17 TP4 TP2 SW2 SW3 TP3 R7 TP30 TP32 TP61 TP76 TP60 TP75 TP59 TP74 TP58 TP73 TP57 TP72 TP56 TP71 TP55 TP70 TP54 TP69 TP53 TP68 TP52 TP66 TP21 TP18 R15 R24 R25 TP51 R12 R22 R10 FB7 TP50 TP64 TP49 R14 C22 IC2 R21 C21 TP90 C30 R6 TP17 TP20 TP16 TP19 TP91 TP48 TP63 TP47 TP62 C37 TP27 TP29 TP26 TP28 IC B/D TP87 M903 TP86 Note: • Voltage and waveforms are dc with respect to ground under no-signal (detuned) conditions. no mark : CD PLAY 30 30 FB6 (Page 33) CDX-L300/L460X 3-11. SCHEMATIC DIAGRAM — MAIN SECTION (1/2) — • Refer to page 36 for IC Block Diagrams.- PJ401 C105 C205 D444 C401 IC101 R105 R401 Q101 C103 R109 R107 R444 R108 C104 D922 C201 R206 Q102 R110 D921 D920 C202 R106 D919 D918 R205 L605 Q201 C203 R209 R207 CP601 L601 R410 Q401 R208 C666 C204 Q202 R210 D917 D916 CNP501 C101 D446 D915 Q402 L669 C432 C407 JR610 D601 JR101 R404 C635 C426 R408 C603 R407 C606 C605 C604 JR602 R602 R603 C609 C610 IC401 C435 R613 IC601 R620 IC B/D R612 R606 R601 R611 C611 R906 L901 D666 D401 L603 R623 R619 C614 C615 C631 R215 R607 R608 C617 C618 C210 C211 C213 C214 C215 JW13 C216 C108 R113 C111 C113 C114 R115 C116 C115 C901 R901 C651 C110 D904 R621 R213 D903 C650 D901 C208 C612 C613 C902 R622 C633 TU601 D445 CNJ601 C102 D402 C217 C620 R610 C117 C218 C622 R609 R628 C626 C621 C619 IC B/D C624 L604 C219 C623 X601 C625 C707 R605 R604 C706 C119 C118 R716 R714 C608 C848 R614 Q605 Q603 R618 R616 R617 R615 D604 Q606 C627 Q604 C842 C841 (Page 33) Note: • Voltage is dc with respect to ground under no-signal (detuned) condition. no mark : FM ( ) : AM < > : CD PLAY 32 32 CDX-L300/L460X 3-12. SCHEMATIC DIAGRAM — MAIN SECTION (2/2) — • Refer to page 24 for Waveforms. (Page 32) L703 (Page 25) (MG-393X) (MG-393XA) C847 C701 (Page 30) C702 L701 C703 Q903 L702 C704 Q902 D906 R908 R704 R705 R706 R910 D907 Q904 R711 R710 R709 R707 R909 C904 R907 R911 R708 CNP701 C844 JR901 Q917 Q919 C802 TH901 X802 C849 Q918 R934 R933 C806 R932 Q929 C919 Q911 D923 C804 C803 R802 X801 C801 R815 R814 R813 R822 R840 IC801 C812 R841 R842 R843 R812 R811 R810 Q915 R929 R928 R927 R926 R925 R924 C810 Q920 R918 R919 R930 D999 R931 Q914 CNP802 D909 D930 C909 C846 Q921 R920 SW801 JR1 IC902 R817 R818 R819 R824 R809 R808 R807 R806 Q907 Q910 C916 (Page 35) C843 JR903 Q913 C915 Q906 Q912 R913 R917 C845 33 Q909 C914 33 Q905 C907 D908 D914 Q916 D810 D910 C809 R921 D913 R922 R923 JR929 R912 C905 Note: • Voltage and waveforms are dc with respect to ground under no-signal (detuned) conditions. no mark : FM ( ) : AM < > : CD PLAY CDX-L300/L460X 3-14. SCHEMATIC DIAGRAM — DISPLAY SECTION — R552 R553 D551 C552 C551 D552 CNP551 D561 LED501 CNP553 D564 D568 D573 D565 D569 D574 D579 D575 C555 R551 C553 D572 LED503 JR505 D576 D571 D580 D562 R586 R587 R588 D570 D563 R559 R560 R561 R562 R565 JR501 R566 D567 R578 D578 R571 R572 R581 R573 R574 R582 (Page 33) D577 D566 LED502 LED504 D554 D581 R579 R563 D553 R564 R577 R567 R570 R568 R575 R576 R580 R583 R569 S581 S512 S501 R511 R512 R513 R514 R515 R516 R517 S513 S514 S515 S516 S517 S518 S519 R504 R505 R506 R507 R508 R509 S504 S505 S506 S507 S508 S509 R501 R502 S511 S502 R503 S503 R518 S520 R519 S521 R510 S510 JR503 Note: • Voltage is dc with respect to ground under no-signal (detuned) condition. no mark : FM 35 35