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CDX-L300/L460X
SERVICE MANUAL
Ver 1.0 2001. 11

US Model Canadian Model
CDX-L300

E Model
CDX-L460X

Photo: CDX-L460X

· The CD sections have no adjustments. Model Name Using Similar Mechanism CD Drive Mechanism Type

CDX-L250/L430X NEW MG-393X-121//K MG-393XA-121//K KSS-720A

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. CD player section
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.

Optical Pick-up Name

Harmonic distortion at 1 kHz 0.7% (stereo), 0.5% (mono) Separation 33 dB at 1 kHz Frequency response 30 ­ 15,000 Hz
AM

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

Tuning range

Tuner section
FM

Power amplifier section
Speaker outputs (sure seal connectors) Speaker impedance 4 ­ 8 ohms Maximum power output 45 W × 4 (at 4 ohms) Outputs

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)

­ Continued on next page ­

FM/AM COMPACT DISC PLAYER

9-873-402-01
2001K0400-1 © 2001. 11

Sony Corporation
e Vehicle Company Published by Sony Engineering Corporation

1

CDX-L300/L460X

3-2. BLOCK DIAGRAM -- CD SECTION --

OPTICAL PICK-UP KSS-720A

RF AMP,DIGITAL SERVO DIGITAL SIGNAL PROCESSOR IC1(MG-393X-121//K) IC1(MG-393XA-121//K)

A

84

B

(Page 22) MAIN SECTION
RF EQ EFM DEMOD D/A CONV LOUT 16 ROUT 12 PACK 52 TSTB 56 TSCK 55 TSI 54 SI 8 SO 7 SCK 6 STB 5 AO 4 RST 3 RFOK CDL R-CH

C B

85 82

D A

A

SYSTEM CONTROL IC801(1/3)

D

I-V CONV.

C 83

DSUB CODE PROCESS

54 X_SO 55 X_SI 56 X_SCK 61 STB 60 A0 58 X_RST

FORCUS ERROR I/F E F PD E 87 86 F PD TRACKING ERROR APC SERVO CTL

2

57 RFOK

97

LD

LD DRIVE Q1

OSC A5V

XTALEN

9

62 XEN

FOCUS/TRACKING COIL DRIVE, SLED/SPINDLE/LOADING MOTOR DRIVE IC2(MG-393X-121//K) IC2(MG-393XA-121//K) FCSFOCUS COIL FCS+ 15 16 FOCUS COIL DRIVE FD

62 63 64 65

TD

FD

98

MD

SD

LD

23

24

X1 16.9344MHz SW1 (DOWN) SW2 (SELF) SW3 (DISC IN) SW4 (LIMIT) 1 D_SW

26

45 SELF_SW

TRK+ TRACKING COIL TRK-

17 18

TRACKING COIL DRIVE

23

TD

2 IN_SW

63 L_SW IC902 RESET 36 1 RESET 2 U_COM+5V

M902 (SLED)

M

SLSL+

13 14

SLED MOTOR DRIVE SPINDLE MOTOR DRIVE

5

SD

M901 (SPINDLE)

M

SP+ SP-

11 12

6

MD

S581 (RESET)

M903 (LOADING)

M

LD9 LD+ 10

LOADING MOTOR DRIVE

1 2

LOAD EJECT

4 LM _LO 5 LM_ EJ POWER CONTROL Q905,906 D909 POWER CONTROL Q921 BATT

50 CDM ON

A_5V AU_5V D_5V DR_6V

REG Q910,D910

· Signal path :CD · R-ch is omitted due to same as L-ch.

51 XCD_ON

REG Q907,D908

21

21

CDX-L300/L460X

3-3. BLOCK DIAGRAM -- TUNER SECTION --

PJ401 L AUDIO OUT REAR R-CH R CNP501 5 3 1 FL+ 9 FL­ POWER AMP IC101

(Page 21)
TUNER UNIT TU601 CNJ601 (ANTENNA)

ELECTRONIC VOLUME IC401 LF OUT 5 CDL 14 L5 18 L1 LR OUT 4 Q102 MUTE RF OUT 33 RR OUT 34 R-CH Q101 MUTE 11 12

A
CD SECTION
R-CH 17 L2 21 R2

2 FM_ANT

L-CH 16 R-CH 17 1 AM_ANT DET_OUT 24

9 7

2 RL+ 10 RL­

16 AUX-IN 4 STBY 22 MUTE 4 FR+ 12 FR­ R-CH 3 RR+ 11 RR­

2 CE 1 DI 36 CL

R-CH MUTE CONT Q401,402

SYSTEM CONTROL IC801 (2/3) PLL IC601 AM_DX/LCL 3 FM/AM_OSC 11 8 LCL 15 FM_VCO 16 AM_VCO 18 FM_CP 19 VT 20 AM_CP 2 10 13 11 OSC SEEK IFC MONO D_OUT D_IN CK CE 11 VOL_CLK 12 VOL_DO 13 VOL_CE ATT BEEP P.ON A_ATT 7 8 53 6

D402 DELAY BATT

ACC IN 59 6 4 5 3 17 22 21 23 PLL_DI PLL_DO PLL_CLK PLL_CE TEST 33

ACC CHECK Q902

7 ACC 15 TEST

FM_VT 6 AM_VT 14

BATT

AMP POWER CONTROL Q911,917

5 AMP REM 6 ANT REM

OSC-IN 19 IF_COUNT 20

XO 1 XI 24 X601 10.25MHz 28 S_METER 26 SD_IND

AMP_ON 49 TU_ON 52 Q909 BU_IN 46 BACK-UP CHECK Q903,904,D906,907 TU+B TUNER+8V REG Q912,913,D913 F901 10A 18 COM+8V COM+8V REG Q918,919,929,D923 16 +B (BATT) 17 19 8 GND

TU+B

FM POWER CONTROL Q605,606

13 · FM/AM_VCC 25 S_METER 21 SD/ST_IND 22 12 FM_VCC

(FREQUENCY ) SW801 SELECT
FM 200k AM 10k 9 AM_VCC FM 50k AM 9k 32 DST_SEL FM_ON 15 AM_ON 14 U_COM+5V

AM POWER CONTROL Q603,604

U_COM+5 V REG Q920,D930,D999

BATT

L460X

L300

· Signal path :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 29 KEY 0

LCD DRIVE IC551 1 | SEG1 23 | · SEG52 25 | 53 COM1 64

KEY 1

30 KEY 1

LCD DO 18 LCD CLK 20 LCD CE 19

62 DATA CLK 61 CLK CE 60 CE

LCD LCD501

D914 KEY ACTIVE Q916

·

·

47 AD ON

57

INITIAL RESET D552

INH

43 KEY ACK

COM2 63

ILL+B

ILL ON 48

ILL POWER CONTROLLER Q914 SWITCH Q915

ILL + B

D561-581 KEY (ILLUMINATION )

BATT X2 40 X1 41

X802 32.768kHz

37 XT2 38 XT1

( LCD BACK ) LIGHT
LED501-504

X801 8.38MHz

23

CDX-L300/L460X

3-5. CIRCUIT BOARDS LOCATION
SERVO board IN SELF SW board SPEAKER board

tuner unit (TU601)

DISPLAY board SL SW board

MAIN board

· Waveforms -- Servo Board -- (MG-393X-121//K)
(MODE: CD PLAY)

· Waveforms -- Servo Board -- (MG-393XA-121//K)
(MODE: CD PLAY) -- Main Board --

1
4.4Vp-p

1
4.4Vp-p

1
3.8Vp-p

16.9344MHz

16.9344MHz

32.768kHz

IC1

wd

(XTAL)

IC1

wd

(XTAL)

IC801

ej

(XT2)

2
3Vp-p 22.7µsec

2
3Vp-p 22.7µsec

2
5Vp-p

8.38MHz

IC1

ts

(PACK)

IC1

ts

(PACK)

IC801

r;

(X2)

3
1.2Vp-p

3
1.2Vp-p

IC1

uj

(RFO)

IC1

uj

(RFO)

4
0V Approx. 1Vp-p

4
0V Approx. 1Vp-p

IC1

oa

(FEO)

IC1

oa

(FEO)

5
0V Approx. 400mVp-p

5
0V Approx. 400mVp-p

IC1

od

(TEO)

IC1

od

(TEO)

24

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 Q1 TP9 TP8 C19 TP77 TP78 R29 R30 R3 R26 C18 C1 C5 TP79 TP80 TP81 TP82 TP83 TP84 TP10 C13 R5 C11 C43 C3 C4 C6 TP89
R8

C20

C23 R9 C24
TP22 TP23 TP24 TP25 TP88

FB4

FB2

C35

C14 TP45 TP44 TP43 TP42 TP41 TP40 TP39 TP38 TP37

SW4

TP7

C15 C10 TP12 C9 TP11

IC1

TP46 TP36 C38

CN13

CN3 C8 TP85 TP35 TP34 C16 C36

M902

M901 TP92

IC B/D
C29 C40 C17
FB1

C25

C44 CN1 R18 TP61 TP76 TP60 TP75 TP59 TP74 TP58 TP73 TP57 TP72 TP56 TP71 TP55 TP70 TP54 TP69 TP53 TP68 TP52 TP51 R22 FB7 TP50 TP64 TP49 R21 FB6 TP48 TP63 TP47 TP62

C26 C27

C45

TP1 TP5

C41

C34 FB3 R19

X1

SW1

R20 TP6 R17 SW2 TP4 TP2 R7 TP30 TP21 TP18 R24 R25 C22 IC2 C21 C30 TP17 TP20 TP16 TP19 TP27 TP29 TP26 TP28 TP91 TP90 C37 R15 R12 R10 R14 TP32 TP66

SW3 TP3

(Page 33)

R6

TP87 M903 TP86

IC B/D

Note: · Voltage and waveforms are dc with respect to ground under no-signal (detuned) conditions. no mark : CD PLAY

30

30

CDX-L300/L460X

3-11. SCHEMATIC DIAGRAM -- MAIN SECTION (1/2) -- · Refer to page 36 for IC Block Diagrams.-

PJ401 C105 C205 D444 R105 C103 R109 R107 R108 C104 R110 Q102 R206 R106 R205 L605 CNJ601 CP601 L601 C666 C204 L669 TU601 C635 C432 D601 C603 C606 JR602 JR610 C203 R209 R207 R208 R210 Q202 Q402 R404
JR101

C401 IC101 R401 D922

Q101 R444

C201

D921 D920 C202 D919 D918 C102 D917 D916 C101 D915

Q201

D402
D445

R410 Q401 D446

CNP501

C407

C426 R408 R407

C604

C605

R602

R603 C609 R601 R620 C610 L603 R622 C650 R621 C651 R623 C614 C615 R607 C617 C618 JW13 C619 C620 R609 C621 C622 C623 C626 C624 X601 R610 C218 C119 L604 C219 C625 C707 R608 C215 C612 C613 R213 R619 C631
C633

R606 IC601 C611 R613 R611 D666

R612 C435

IC B/D

IC401

R906 D401 C208 C110 C210 C211 C213 C214 C216 C108 C111 C113 C114 C116 C217 C117 C706 R113 R115

L901

D901
D903

C901
D904 C902

R215

C115

IC B/D

R628 C608

R604

R605

C118

R716

R714

C848 R614 Q605 Q603 R615 D604 C627 Q604 C841 Q606 C842 R616 R617 R618

(Page 33)

R901

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)
C847

(MG-393X)

(MG-393XA)

(Page 30)

C701

C702 C703

L701

Q903 C704 R704 R705 R706 Q904 R711 R710 R709 CNP701 C844 R707 R911 L702 R910 D907 D906

Q902 R908

R909

R907

C904

R708

JR901

Q919 C802 C801
C803 C804

Q917 TH901 Q918 R933

X802 C849 R934

R802

C806

X801

Q929 C919
D923

R932 Q911

R815 R814 R813 R822 R840 C812 R841 R842 R843 R812 R811 R810 IC801

Q915 R929 R928 R927 R926 R925 R924 R918 R919 Q920 R930 D999

C810

R931

Q914 CNP802 C846 C909 D930 Q921

D909

R920 IC902 R817 C916 R818 R819 R824 R809 R808 R807 R806 C843 JR903 C915 Q913 Q906 Q912 R913 R917 R922 R923 C809 D914 R921 C845 JR929 R912 Q910 Q907

SW801 JR1

(Page 35)

D810
D913

Q909
D910 D908

Q905 C907 C905

Q916

C914

33

33

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 R551

CNP551

D552

C555

C553

D561 LED501 CNP553 JR505 LED503

D564

D568

D573

D575

D579

D572

D565

D569

D574

D576

D580

D571

R586 R587 R588 JR501

D562 D563 R559 R560 R561 R562 R565 R566 D570 R578 D567 R571 R572 R581 R573 R574 D566 LED502 D554 D553 LED504 D581 R579 R563 R564 R577 R567 R568 R569 R570 R580 R575 R576 R583 D577 R582 D578

(Page 33)

S581 R511 R512 R513 R514 R515 R516 R517 R518 R519

S512

S513

S514

S515

S516

S517

S518

S519

S520

S521

R501

R502

R503

R504

R505

R506

R507

R508

R509

R510

S501

S511

S502

S503

S504

S505

S506

S507

S508

S509

S510

JR503

Note: · Voltage is dc with respect to ground under no-signal (detuned) condition. no mark : FM

35

35