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Sony CDX-L300 Service Manual

Fm/am compact disc player
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3 7 63 1515 0
SERVICE MANUAL
Ver 1.0 2001. 11
• The CD sections have no adjustments.
TE
L 13942296513
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.
Tuner 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
www
Signal-to-noise ratio
65 dB (stereo),
68 dB (mono)
.
Sony Corporation
9-873-402-01
2001K0400-1
e Vehicle Company
© 2001. 11
Published by Sony Engineering Corporation
http://www.xiaoyu163.com
CDX-L300/L460X
SPECIFICATIONS
x
ao
y
i
http://www.xiaoyu163.com
8
Photo: CDX-L460X
Model Name Using Similar Mechanism
CD Drive Mechanism Type
Optical Pick-up Name
Q Q
3
6 7
1 3
Harmonic distortion at 1 kHz
Separation
Frequency response
AM
Tuning range
Antenna terminal
Intermediate frequency 10.7 MHz/450 kHz
Sensitivity
Power amplifier section
Outputs
Speaker impedance
Maximum power output 45 W × 4 (at 4 ohms)
FM/AM COMPACT DISC PLAYER
u163
.
2 9
9 4
2 8
Canadian Model
1 5
0 5
8
2 9
9 4
0.7% (stereo),
0.5% (mono)
33 dB at 1 kHz
30 – 15,000 Hz
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)
External antenna connector
30 µV
Speaker outputs
(sure seal connectors)
4 – 8 ohms
– Continued on next page –
m
co
9 9
US Model
CDX-L300
E Model
CDX-L460X
CDX-L250/L430X
NEW
MG-393X-121//K
MG-393XA-121//K
KSS-720A
2 8
9 9
1

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Summary of Contents for Sony CDX-L300

  • Page 1 90 dB CDX-L460X: Frequency response 10 – 20,000 Hz AM tuning interval: Wow and flutter Below measurable limit 9 kHz/10 kHz Laser Diode Properties (CDX-L300) switchable Material GaAlAs 531 – 1,602 kHz Wavelength 780 nm (at 9 kHz step) Emission Duration Continuous 530 –...
  • Page 2 LES COMPOSANTS IDENTIFIÉS PAR UNE MARQUE 0 SUR LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE REMPLACER CES COMPOSANTS QUE PAR DES PIÈCES SONY DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY. http://www.xiaoyu163.com...
  • Page 3 CDX-L300/L460X 3 7 63 1515 0 Notes for Inspection of the Mechanism Deck The CDX-L300 uses two types of mechanism decks. Former type: MG-393X-121//K New type: MG-393XA-121//K The CDX-L460X only uses the MG-393XA-121//K. When inspecting and/or serving, check the model No. printed on the SERVO board.
  • Page 4 CDX-L300/L460X 3 7 63 1515 0 EXTENSION CABLE AND SERVICE POSITION When repairing or servicing this set, connect the jig (extension cable) as shown below. MG-393X-121//K • Connect the MAIN board (CNP701) and the SERVO board (CN1) with the extension cable (Part No. J-2502-011-1).

  • Page 5: Table Of Contents

    CDX-L300/L460X 3 7 63 1515 0 TABLE OF CONTENTS 1. GENERAL 3. DIAGRAMS Location of controls (L300) ............ 6 3-1. IC Pin Description ............. 19 Location of controls (L460X) ..........6 3-2. Block Diagram –CD Section– ........... 21 Getting Started ................. 6 3-3.

  • Page 6: General

    CDX-L300/L460X SECTION 1 GENERAL 3 7 63 1515 0 This section is extracted from instruction manual. (L300) (L460X) L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 7 CDX-L300/L460X 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 8: Http://Www.xiaoyu163.Com

    CDX-L300/L460X 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 9: Connections (L300)

    CDX-L300/L460X 3 7 63 1515 0 • Connections (L300) L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 10 CDX-L300/L460X 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 11: Connections (L460X)

    CDX-L300/L460X 3 7 63 1515 0 • Connections (L460X) L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 12 CDX-L300/L460X 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 13: Disassembly

    CDX-L300/L460X SECTION 2 DISASSEMBLY 3 7 63 1515 0 Note : This set can be disassemble according to the following sequence. 2-5. CHASSIS (T) SUB ASSY 2-1. FRONT PANEL ASSY (Page 15) (Page 13) 2-6. LEVER SECTION 2-7. SERVO BOARD 2-2.

  • Page 14: Main Board

    CDX-L300/L460X 3 7 63 1515 0 2-2. CD MECHANISM BLOCK 8 bracket (CD) 6 CD mechanism block 7 PTT 2.6x6 2 PTT 2.6x6 L 13942296513 1 PTT 2.6x6 3 PTT 2.6x6 5 CNP701 2-3. MAIN BOARD 3 screw (+BTT)

  • Page 15: Heat Sink

    CDX-L300/L460X 3 7 63 1515 0 2-4. HEAT SINK 6 heat sink 5 PTT 2.6x8 4 PTT 2.6x8 3 PTT 2.6x12 2 PTT 2.6x8 1 PTT 2.6x8 L 13942296513 2-5. CHASSIS (T) SUB ASSY 2 P 2x3 3 P 2x3...

  • Page 16: Lever Section

    CDX-L300/L460X 3 7 63 1515 0 2-6. LEVER SECTION 5 guide (disc) 6 lever (R) 3 tension spring (LR) 7 lever (L) 1 special screw 2 IN SELF SW board L 13942296513 4 claws 2-7. SERVO BOARD 7 SERVO board...

  • Page 17: Shaft Roller Assy

    CDX-L300/L460X 3 7 63 1515 0 2-8. SHAFT ROLLER ASSY • When installing, take note of the positions arm (roller) and washers. (Fig. 1) 3 retaing ring (RA) shaft retainer 4 shaft retainer washer washer shaft retainer retaing ring (RA) Fig.

  • Page 18: Optical Pick-Up Block

    CDX-L300/L460X 3 7 63 1515 0 2-10. OPTICAL PICK-UP BLOCK 4 P 2x3 1 P 2x3 5 spring (feed), plate 2 sled motor assy 3 optical pick-up block 6 shaft (feed) assy L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 19: Diagrams

    CDX-L300/L460X SECTION 3 DIAGRAMS 3 7 63 1515 0 3-1. IC PIN DESCRIPTION • IC801 µPD780024AGK-B40-9ET (SYSTEM CONTROLLER) Pin No. Pin Name Pin Description D SW Down switch detection input IN SW Disc in switch detection input PH3 detection input (Not used in this set)
  • Page 20 CDX-L300/L460X 3 7 63 1515 0 Pin No. Pin Name Pin Description P.ON System power supply control output X SO CD DSP IC serial data output X SI CD DSP IC serial data input X SCK CD DSP IC serial clock output...

  • Page 21: Block Diagram -Cd Section

    CDX-L300/L460X 3 7 6 3 1 5 1 5 0 3-2. BLOCK DIAGRAM — CD SECTION — RF AMP,DIGITAL SERVO DIGITAL SIGNAL PROCESSOR IC1(MG-393X-121//K) OPTICAL PICK-UP IC1(MG-393XA-121//K) KSS-720A (Page 22) MAIN SECTION LOUT SYSTEM CONTROL ROUT IC801(1/3) CONV R-CH...

  • Page 22: Block Diagram -Tuner Section

    CDX-L300/L460X 3 7 6 3 1 5 1 5 0 3-3. BLOCK DIAGRAM — TUNER SECTION — PJ401 AUDIO OUT REAR R-CH POWER AMP ELECTRONIC VOLUME IC101 (Page 21) IC401 CNP501 LF OUT FL– TUNER UNIT TU601 SECTION CNJ601...

  • Page 23: Block Diagram -Display Section

    CDX-L300/L460X 3 7 63 1515 0 3-4. BLOCK DIAGRAM — DISPLAY SECTION — SYSTEM CONTROL LCD DRIVE IC801 (3/3) IC551 KEY 0 KEY 0 KEY MATRIX LCD DO DATA DATA S501-511, SEG1 LCD CLK S512-521 • KEY 1 KEY 1...

  • Page 24: Circuit Boards Location

    CDX-L300/L460X 3 7 63 1515 0 3-5. CIRCUIT BOARDS LOCATION SERVO board IN SELF SW board SPEAKER board tuner unit (TU601) DISPLAY board MAIN board SL SW board • Waveforms • Waveforms — Servo Board — — Servo Board —...

  • Page 25: Schematic Diagram

    CDX-L300/L460X 3 7 6 3 1 5 1 5 0 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. 1 3 9 4 2 2 9 6 5 1 3...

  • Page 26: Cd Mechanism Section (Mg-393X-121//K)

    CDX-L300/L460X 3 7 6 3 1 5 1 5 0 3-7. PRINTED WIRING BOARDS • Refer to page 24 for Circuit Boards Location. — CD MECHANISM SECTION (MG-393X-121//K) — THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
  • Page 27 CDX-L300/L460X 3 7 6 3 1 5 1 5 0 • Semiconductor Location Ref. No. Location (Page 31) 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 http://www.xiaoyu163.com...

  • Page 28: Cd Mechanism Section (Mg-393X-121//K)

    CDX-L300/L460X 3-8. PRINTED WIRING BOARDS • Refer to page 24 for Circuit Boards Location. 3 7 6 3 1 5 1 5 0 — CD MECHANISM SECTION (MG-393XA-121//K) — 1 3 9 4 2 2 9 6 5 1 3...
  • Page 29 CDX-L300/L460X 3 7 6 3 1 5 1 5 0 • Semiconductor Location Ref. No. Location (Page 31) 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 http://www.xiaoyu163.com...

  • Page 30: Schematic Diagram

    CDX-L300/L460X 3-9. SCHEMATIC DIAGRAM 3 7 6 3 1 5 1 5 0 • Refer to page 24 for Waveforms. — CD MECHANISM SECTION (MG-393XA-121//K) — • Refer to page 36 for IC Block Diagrams. TP9 TP8 TP77 TP78...

  • Page 31: Printed Wiring Board -Main Section

    CDX-L300/L460X 3 7 6 3 1 5 1 5 0 3-10. PRINTED WIRING BOARD — MAIN SECTION — • Refer to page 24 for Circuit Boards Location. 1 3 9 4 2 2 9 6 5 1 3 • Semiconductor Location Ref.

  • Page 32: Schematic Diagram -Main Section (1/2)

    CDX-L300/L460X 3 7 6 3 1 5 1 5 0 3-11. SCHEMATIC DIAGRAM — MAIN SECTION (1/2) — • Refer to page 36 for IC Block Diagrams.- PJ401 C105 C205 C401 D444 IC101 R105 R401 D922 R109 Q101 C201...

  • Page 33: Schematic Diagram -Main Section (2/2)

    CDX-L300/L460X 3-12. SCHEMATIC DIAGRAM — MAIN SECTION (2/2) — • Refer to page 24 for Waveforms. 3 7 6 3 1 5 1 5 0 (Page 32) L703 C701 ( M G - 3 9 3 X ) (Page 25)

  • Page 34: Printed Wiring Board –Display Section

    CDX-L300/L460X 3 7 6 3 1 5 1 5 0 3-13. PRINTED WIRING BOARD — DISPLAY SECTION — • Refer to page 24 for Circuit Boards Location. D570 D569 D568 D567 D574 D573 D572 D571 D578 D579 D575 D564...

  • Page 35: Schematic Diagram -Display Section

    CDX-L300/L460X 3 7 6 3 1 5 1 5 0 3-14. SCHEMATIC DIAGRAM — DISPLAY SECTION — R552 R553 D551 C552 C551 R551 D552 C555 C553 CNP551 D561 D564 D568 D573 D575 D579 D572 LED501 LED503 JR505 CNP553 D565...
  • Page 36 CDX-L300/L460X 3 7 6 3 1 5 1 5 0 • IC Block Diagrams IC1 µPD63711GC-8EU (MG-393X-121//K) IC2 BA5810FP-E2 (MG-393X-121//K) IC1 µPD63711GC-8EU (MG-393XA-121//K) IC2 BA5810FP-E2 (MG-393XA-121//K) BIAS 71 70 LOADING PRE OPIN4+ FWD REV – OPIN4– MICROCOMPUTER INTERFACE AGCI...
  • Page 37 CDX-L300/L460X 3 7 63 1515 0 IC401 LC75421M-TLM-E LROUT RROUT LFOUT RFOUT INTERFACE LFIN 32 RFIN ROUT LOUT LBASS2 RBASS2 CONTROL LOGIC CONTROL CIRCUIT CIRCUIT CIRCUIT LBASS1 10 RBASS1 LVREF RVREF LTRE 11 RTRE 26 RIN L 13942296513 LSELO RSELO –...

  • Page 38: Exploded Views

    CDX-L300/L460X SECTION 4 EXPLODED VIEWS 3 7 63 1515 0 NOTE: • The mechanical parts with no reference • Color Indication of Appearance Parts The components identified by number in the exploded views are not supplied. mark 0 or dotted line with mark Example : •...

  • Page 39: Front Panel Section

    CDX-L300/L460X 3 7 63 1515 0 4-2. FRONT PANEL SECTION LCD501 L 13942296513 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark X-3381-455-1 PANEL SUB ASSY, FRONT (L460X) * 58 3-224-609-02 PLATE (LCD), GROUND X-3381-476-1 PANEL SUB ASSY, FRONT (L300)
  • Page 40 CDX-L300/L460X 3 7 63 1515 0 4-3. CD MECHANISM SECTION (1) (MG-393X-121//K) L 13942296513 M903 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * 101 1-676-709-11 IN SELF SW BOARD 3-040-040-01 ARM (ROLLER) 3-040-039-01 CHASSIS (T)

  • Page 41: Cd Mechanism Section (1) (Mg-393X-121//K)

    CDX-L300/L460X 3 7 63 1515 0 4-4. CD MECHANISM SECTION (2) (MG-393X-121//K) not supplied L 13942296513 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-040-025-01 ARM, CHUCKING 3-040-033-01 SPRING (KF1), TENSION 3-040-031-01 DAMPER (T) A-3307-422-A CHASSIS (M) COMPLETE ASSY...

  • Page 42: Cd Mechanism Section (2) (Mg-393X-121//K)

    CDX-L300/L460X 3 7 63 1515 0 4-5. CD MECHANISM SECTION (3) (MG-393X-121//K) M901 M902 L 13942296513 The components identified by Les composants identifiés par une mark 0 or dotted line with mark marque 0 sont critiques pour la 0 are critical for safety.

  • Page 43: Cd Mechanism Section (3) (Mg-393X-121//K)

    CDX-L300/L460X 3 7 63 1515 0 4-6. CD MECHANISM SECTION (1) (MG-393XA-121//K) L 13942296513 M903 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-683-283-11 IN SELF SW BOARD 3-040-040-02 ARM (ROLLER) 3-040-039-02 CHASSIS (T) A-3283-233-A SERVO BOARD, COMPLETE...

  • Page 44: Cd Mechanism Section (1) (Mg-393Xa-121//K)

    CDX-L300/L460X 3 7 63 1515 0 4-7. CD MECHANISM SECTION (2) (MG-393XA-121//K) not supplied L 13942296513 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-040-025-01 ARM, CHUCKING 3-040-033-01 SPRING (KF1), TENSION 3-040-031-01 DAMPER (T) A-3307-422-A CHASSIS (M) COMPLETE ASSY...

  • Page 45: Cd Mechanism Section (2) (Mg-393Xa-121//K)

    CDX-L300/L460X 3 7 63 1515 0 4-8. CD MECHANISM SECTION (3) (MG-393XA-121//K) M901 M902 L 13942296513 The components identified by Les composants identifiés par une mark 0 or dotted line with mark marque 0 sont critiques pour la 0 are critical for safety.

  • Page 46: Q Q

    CDX-L300/L460X SECTION 5 DISPLAY ELECTRICAL PARTS LIST 3 7 63 1515 0 NOTE: • Due to standardization, replacements in • Items marked “*” are not stocked since The components identified by mark 0 or dotted line with mark the parts list may be different from the they are seldom required for routine service.
  • Page 47 CDX-L300/L460X DISPLAY IN SELF SW MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R562 1-216-818-11 METAL CHIP 1/16W 1-676-709-11 IN SELF SW BOARD (393X) R563 1-216-821-11 METAL CHIP 1/16W...
  • Page 48 CDX-L300/L460X MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C432 1-124-589-11 ELECT 47uF C849 1-162-964-11 CERAMIC CHIP 0.001uF C435 1-124-589-11 ELECT 47uF C901 1-126-936-11 ELECT 3300uF C603 1-164-227-11 CERAMIC CHIP 0.022uF...
  • Page 49 CDX-L300/L460X MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark D930 8-719-109-89 DIODE RD5.6ES-B2 Q911 8-729-055-96 TRANSISTOR SRC1203SF D999 8-719-991-33 DIODE 1SS133T-77 Q912 8-729-055-92 TRANSISTOR SRA2203SF Q913 8-729-019-00 TRANSISTOR 2SD2394-G <...
  • Page 50 CDX-L300/L460X MAIN SERVO 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R618 1-216-845-11 METAL CHIP 100K 1/16W R910 1-216-836-11 METAL CHIP 1/16W R619 1-216-817-11 METAL CHIP 1/16W R911 1-216-821-11 METAL CHIP...
  • Page 51 CDX-L300/L460X SERVO 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-125-837-00 CERAMIC CHIP 6.3V 1-216-833-11 METAL CHIP 1/16W 1-164-227-11 CERAMIC CHIP 0.022uF 1-216-840-11 METAL CHIP 1/16W 1-164-227-11 CERAMIC CHIP 0.022uF...
  • Page 52 CDX-L300/L460X SERVO SL SW SPEAKER 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-162-970-11 CERAMIC CHIP 0.01uF 1-216-864-11 METAL CHIP 1/16W 1-126-391-11 ELECT CHIP 4.7uF 6.3V 1-216-864-11 METAL CHIP 1/16W 1-162-970-11 CERAMIC CHIP 0.01uF...
  • Page 53 CDX-L300/L460X 3 7 63 1515 0 Ref. No. Part No. Description Remark ************** HARDWARE LIST ************** 7-685-792-09 SCREW +PTT 2.6X6 (S) 7-685-793-09 SCREW +PTT 2.6X8 (S) 7-685-795-09 SCREW +PTT 2.6X12 (S) 7-685-105-19 SCREW +P 2X8 TYPE2 NON-SLIT 7-627-850-28 SCREW, PRECISION +P 1.4X3...
  • Page 54 CDX-L300/L460X 3 7 63 1515 0 REVISION 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.

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