Sony CDX-L300 Installation/Connection User manual

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

SERVICE MANUAL

US 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.

AUDIO POWER SPECIFICATIONS (US Model)

POWER OUTPUTAND 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.

Tuner section

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)

SPECIFICATIONS

Harmonic distortion at 1 kHz

0.7% (stereo),

0.5% (mono)

Separation 33 dB at 1 kHz

Frequency response 30 – 15,000 Hz

Tuning range 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

Outputs Speaker outputs

(sure seal connectors)

Speaker impedance 4 – 8 ohms

Maximum power output 45 W ×4 (at 4 ohms)

– Continued on next page –

Ver 1.0 2001. 11

9-873-402-01

2001K0400-1

Sony Corporation

e Vehicle Company

Published by Sony Engineering Corporation

21 21

CDX-L300/L460X

D/A

CONV

TRACKING

ERROR

FORCUS

ERROR

OSC

EFM

DEMOD

SERVO

CTL

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

23 24

1RESET

S581

(RESET)

IC902

U_COM+5V

BATT

D909

LOUT

ROUT

PACK

TSTB

TSI

TSCK

RFOK

SCK

STB

XTALEN

RST

RESET

A5V

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

FOCUS/TRACKING COIL DRIVE,

SLED/SPINDLE/LOADING MOTOR DRIVE

• 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)

2222

CDX-L300/L460X

3-3. BLOCK DIAGRAM — TUNER SECTION —

(Page 21)

CNJ601

(ANTENNA) 2 16

FM_ANT L-CH

R-CH

CDL

DET_OUT

FM/AM_OSC

AM_VT

FM_VT

IF_COUNT

OSC-IN

S_METER

TU+B

SD/ST_IND

FM_VCC

AM_VCC

AM_ANT

TUNER UNIT

TU601

SYSTEM CONTROL

IC801 (2/3)

PLL

IC601

ELECTRONIC VOLUME

IC401

LF OUT

LR OUT

RF OUT R-CH

RR OUT

BEEP

ATT

P.ON

A_ATT

ACC IN

VOL_CLK

VOL_DO

VOL_CE

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

L300L460X

SD_IND

AUDIO OUT REAR

SECTION

MUTE

CONT

Q401,402

Q102

MUTE

R-CH

DELAY BATT

BATT

Q909

BATT

D402

Q101

MUTE

22 MUTE

4STBY

16 AUX-IN

12 5

POWER AMP

IC101

CNP501

R-CH

PJ401

FL+

FL–

RL+

RL–

FR+

FR–

RR+

RR–

16 +B (BATT)

5AMP REM

ANT REM

GND

R-CH

F901

10A

7ACC

15 TEST

TEST

AMP_ON

ACC

CHECK

Q902

•

25 FM/AM_VCC

()

•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

FM_VCO

AM_VCO

FM_CP

AM_CP

OSC

SEEK XO

IFC

MONO

11 24

CE 3

CK 5

D_IN 4

D_OUT 6

X601

10.25MHz

AM_DX/LCL

TU_ON

BU_IN

FM_ON

AM_ON

AM POWER

CONTROL

Q603,604

CDX-L300/L460X

3-4. BLOCK DIAGRAM — DISPLAY SECTION —

KEY MATRIX

S501-511,

S512-521

KEY

ACTIVE

Q916

X802

32.768kHz

29 18

1930

SYSTEM CONTROL

IC801 (3/3)

LCD DRIVE

IC551

KEY 0 DATA

CLK

LCD DO

LCD CLK

LCD CE

ILL POWER

CONTROLLER

Q914

INITIAL

RESET

D552

SWITCH

Q915

ILL + B

KEY 1

KEY 0

KEY ACK

AD ON

XT2

XT1

ILL ON

BATT

X801

8.38MHz LED501-504

D561-581

LCD BACK

LIGHT

COM1

COM2

LCD

LCD501

D914

()

KEY

ILLUMINATION

()

•

SEG1

SEG52

DATA

CLK

ILL+B

INH

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)

IC1 ts (PACK)

IC1 uj (RFO)

1.2Vp-p

Approx. 1Vp-p

IC1 oa (FEO)

Approx. 400mVp-p

IC1 od (TEO)

4.4Vp-p

16.9344MHz

IC1 wd (XTAL)

3Vp-p

22.7µsec

• Waveforms

— Servo Board —

(MG-393XA-121//K)

(MODE: CD PLAY)

IC1 ts (PACK)

IC1 uj (RFO)

1.2Vp-p

Approx. 1Vp-p

IC1 oa (FEO)

Approx. 400mVp-p

IC1 od (TEO)

4.4Vp-p

16.9344MHz

IC1 wd (XTAL)

3Vp-p

22.7µsec

— Main Board —

32.768kHz

IC801 ej (XT2)

3.8Vp-p

5Vp-p

8.38MHz

IC801 r; (X2)

25 25

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

(Page 33)

Note:

• 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

TP77

TP78

R29

R30

C43

TP79

TP80

TP81

TP82

TP83

TP84

CN2

CN3

TP85

M902

M901

SW2 TP4

TP2

TP3

M903

TP87

TP86

TP9 TP8

R3 R26

TP10

C13

C11

C10

TP7

TP92

TP17

TP20

TP16

TP19

R25

TP21

TP18

R24

TP6

C17

FB1

TP11

TP12 C9

C14

TP89

C19

C20 C23

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

FB6

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

SW3

SW4

CN13

C18

IC2

FB3

IC1

SW1

TP1

TP5

C44

C40

C1 C5 C3 C6

C15

C16

C24

C38

C36

C25

C29

C34

C45

C27

C41

C22

C21

C30

(Page 33)

Note:

• Voltage and waveforms are 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

C604 C605

C608

C627

R605

R601

R603

R602

C606

C603

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

C116

C117

C111

C113

C119

R716 R714

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

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

C650 C651R621 R623

D666

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

(Page 33)

Note:

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

(detuned) condition.

no mark : FM

( ) : AM

< > : CD PLAY

33 33

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

R912

JR929

R913

C905

C907

D910

D908

R917

D913

R920

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

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 waveforms 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)

35 35

CDX-L300/L460X

D554

JR501

R586

JR505

LED501 LED503

D561 D564 D568 D573 D575

D565

D562

D563 D570 D567

R565 R566 R578

D566

R567 R568

R579

R580

D581

R569

R570 R575

R573 R574 R582

D578

D571

D572

D552

R552 R553

C555 C553

D551 C552

C551 R551

R576 R583

R571 R581R572

D577

D576

D579

D580

D569 D574

CNP553

CNP551

R587

R588 R559 R560 R561 R562

S512 S513 S514 S515

S501 S511 S502 S503 S504 S505 S506 S507 S508 S509 S510

S516 S517 S518 S519 S520 S521

S581

JR503

D553

LED502 LED504

R577R563 R564

R501 R502 R503 R504 R505 R506 R507 R508 R509 R510

R511 R512 R513 R514 R515 R516 R517 R518 R519

3-14. SCHEMATIC DIAGRAM —DISPLAY SECTION —

(Page 33)

Note:

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

(detuned) condition.

no mark : FM

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