hit counter script
Sony CDX-L350 Service Manual
  1. Manuals
  2. Brands
  3. Sony Manuals
  4. CD Player
  5. CDX-L350 - Fm/am Compact Disc Player
  6. Service manual

Sony CDX-L350 Service Manual

Hide thumbs Also See for CDX-L350:
Table of Contents

Advertisement

Quick Links

See also: Operating Instructions
CDX-L350/L450X/L470X
SERVICE MANUAL
Ver 1.0 2001. 01
• The CD sections have no adjustments.
SPECIFICATIONS
AUDIO POWER SPECIFICATIONS (US Model)
POWER OUTPUT AND TOTAL HARMONIC DISTORTION
23 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-L350)
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-L350:
87.5 – 107.9 MHz
CDX-L450X/L470X:
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)
Sony Corporation
9-870-257-11
2001A0400-1
Audio Entertainment Group
© 2001. 1
General Engineering Dept.
Photo: CDX-L470X
Model Name Using Similar Mechanism
CD Drive Mechanism Type
Optical Pick-up Name
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 50 W × 4 (at 4 ohms)
FM/AM COMPACT DISC PLAYER
US Model
Canadian Model
AEP Model
E Model
CDX-L450X/L470X
NEW
MG-393X-121//K
KSS-720A
0.7% (stereo),
0.5% (mono)
33 dB at 1 kHz
30 – 15,000 Hz
CDX-L350:
530 – 1,710 kHz
CDX-L450X/L470X:
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 –
CDX-L350
CDX-L450X
1

Advertisement

Table of Contents
loading

Related Manuals for Sony CDX-L350

Summary of Contents for Sony CDX-L350

  • Page 1 90 dB CDX-L450X/L470X: Frequency response 10 – 20,000 Hz AM tuning interval: Wow and flutter Below measurable limit 9 kHz/10 kHz Laser Diode Properties (CDX-L350) switchable Material GaAlAs 531 – 1,602 kHz Wavelength 780 nm (at 9 kHz step) Emission Duration Continuous 530 –...
  • Page 2 REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE NE REMPLACER CES COMPOSANTS QUE PAR DES PIÈCES PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR SONY DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL IN SUPPLEMENTS PUBLISHED BY SONY. OU DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.

  • Page 3: Table Of Contents

    CDX-L350/L450X/L470X TABLE OF CONTENTS 1. GENERAL Location of controls ..............4 Getting Started ................. 4 CD Player ................5 Radio ..................5 Other Functions ............... 6 Connections ................7 2. DISASSEMBLY 2-1. Sub Panel Assy ..............9 2-2. CD Mechanism Block ............10 2-3.

  • Page 4: General

    CDX-L350/L450X/L470X SECTION 1 GENERAL This section is extracted from instruction manual.

  • Page 5: Cd Player

    CDX-L350/L450X/L470X...

  • Page 6: Other Functions

    CDX-L350/L450X/L470X...

  • Page 7: Connections

    CDX-L350/L450X/L470X Connections...
  • Page 8 CDX-L350/L450X/L470X...

  • Page 9: Disassembly

    CDX-L350/L450X/L470X SECTION 2 DISASSEMBLY Note : This set can be disassemble according to the following sequence. Sub Panel Assy CD Mechanism Block Main Board Heat Sink Chassis (T) Sub Assy Lever Section Shaft Roller Assy Servo Board Floating Block Assy Optical Pick-up Block Note : Follow the disassembly procedure in the numerical order given.

  • Page 10: Cd Mechanism Block

    CDX-L350/L450X/L470X 2-2. CD MECHANISM BLOCK 7 bracket (CD) 5 CD mechanism block 6 PTT 2.6x6 2 PTT 2.6x6 1 PTT 2.6x6 4 CNP701 2-3. MAIN BOARD 3 screw (+BTT) 5 MAIN board 4 screws (+BTT) 2 PTT 2.6x8 1 PTT 2.6x8...

  • Page 11: Heat Sink

    CDX-L350/L450X/L470X 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 2-5. CHASSIS (T) SUB ASSY 2 P 2x3 3 P 2x3 1 Unsolder the 4 chassis (T) sub assy lead wires.

  • Page 12: Lever Section

    CDX-L350/L450X/L470X 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 4 claws 2-7. SERVO BOARD 7 special screw 6 special screws 2 CN2 3 Removal the solders.

  • Page 13: Shaft Roller Assy

    CDX-L350/L450X/L470X 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. 1 5 shaft roller assy...

  • Page 14: Optical Pick-Up Block

    CDX-L350/L450X/L470X 2-10. OPTICAL PICK-UP BLOCK 1 P 2x3 2 sled motor assy 3 optical pick-up block...

  • Page 15: Electrical Adjustments

    CDX-L350/L450X/L470X SECTION 3 ELECTRICAL ADJUSTMENTS TEST MODE TUNER SECTION 0 dB = 1 µV This set have the test mode function. In the test mode, FM Auto Scan/Stop Level and AM Auto Scan/Stop Level check can be Cautions during repair performed easier than it in ordinary procedure.
  • Page 16 CDX-L350/L450X/L470X FM Stereo Separation Adjustment AM Auto Scan/Stop Level Check Setting : Note : This adjustment should be performed after the FM Auto SOURCE button : FM Scan / Stop Level Adjustment is done. FREQUENCY SELECT switch (L450X/L470X) : FM 50k...

  • Page 17: Diagrams

    CDX-L350/L450X/L470X SECTION 4 DIAGRAMS 4-1. IC PIN DESCRIPTION • IC801 µPD780024AGK-B26-9ET (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 18 CDX-L350/L450X/L470X 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 RFOK CD servo IC RFOK signal input...

  • Page 19: Block Diagram -Cd Section

    CDX-L350/L450X/L470X 4-2. BLOCK DIAGRAM — CD SECTION — RF AMP,DIGITAL SERVO DIGITAL SIGNAL PROCESSOR OPTICAL PICK-UP KSS-720A (Page 20) MAIN SECTION LOUT SYSTEM CONTROL ROUT IC801(1/3) CONV R-CH DEMOD PACK TSTB DSUB CODE TSCK PROCESS CONV. X_SO FORCUS X_SI ERROR...

  • Page 20: Block Diagram -Tuner Section

    CDX-L350/L450X/L470X 4-3. BLOCK DIAGRAM — TUNER SECTION — PJ401 AUDIO OUT REAR R-CH POWER AMP ELECTRONIC VOLUME (Page 19) IC101 IC401 CNP501 LF OUT TUNER UNIT TU601 SECTION CNJ601 LR OUT FM_ANT L-CH (ANTENNA) R-CH R-CH Q102 Q101 AM_ANT DET_OUT...

  • Page 21: Block Diagram -Display Section

    CDX-L350/L450X/L470X 4-4. BLOCK DIAGRAM — DISPLAY SECTION — 4-5. CIRCUIT BOARDS LOCATION SYSTEM CONTROL LCD DRIVE SERVO board IC801 (3/3) IC551 KEY 0 KEY 0 IN SELF SW board KEY MATRIX LCD DO DATA DATA SPEAKER board S501-511, SEG1 LCD CLK...

  • Page 22: Printed Wiring Boards -Cd Mechanism Section

    CDX-L350/L450X/L470X 4-6. PRINTED WIRING BOARDS — CD MECHANISM SECTION — • Refer to page 21 for Circuit Boards Location. THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.) for schematic diagram: •...
  • Page 23 CDX-L350/L450X/L470X • Semiconductor Location Ref. No. Location (Page 25)

  • Page 24: Schematic Diagram -Cd Mechanism Section

    CDX-L350/L450X/L470X • Refer to page 21 for Waveforms. 4-7. SCHEMATIC DIAGRAM — CD MECHANISM SECTION — • Refer to page 30 for IC Block Diagrams. IC B/D IC B/D (Page 27) Note: • Voltage and waveforms are dc with respect to ground under no-signal (detuned) conditions.

  • Page 25: Printed Wiring Board -Main Section

    CDX-L350/L450X/L470X 4-8. PRINTED WIRING BOARD — MAIN SECTION — • Refer to page 21 for Circuit Boards Location. (Page 23) US,Canadian,E Model AEP Model • Semiconductor Location Ref. No. Location Ref. No. Location Ref. No. Location D401 D922 C-10 Q606...

  • Page 26: Schematic Diagram -Main Section (1/2)

    CDX-L350/L450X/L470X 4-9. SCHEMATIC DIAGRAM — MAIN SECTION (1/2) — • Refer to page 30 for IC Block Diagrams. US,Canadian,E Model IC B/D AEP Model IC B/D (Page 27) Note: • Voltage is dc with respect to ground under no-signal (detuned) condition.

  • Page 27: Schematic Diagram -Main Section (2/2)

    CDX-L350/L450X/L470X 4-10. SCHEMATIC DIAGRAM — MAIN SECTION (2/2) — • Refer to page 21 for Waveforms. (Page 26) (Page (Page 29) Note: • Voltage and waveforms are dc with respect to ground under no-signal (detuned) conditions. no mark : FM ) : AM <...

  • Page 28: Printed Wiring Board -Display Section

    CDX-L350/L450X/L470X 4-11. PRINTED WIRING BOARD — DISPLAY SECTION — • Refer to page 21 for Circuit Boards Location. (Volume) (Volume) • Semiconductor Location Ref. No. Location Ref. No. Location Ref. No. Location Ref. No. Location (D551) D564 D572 D580 A-13...

  • Page 29: Schematic Diagram -Display Section

    CDX-L350/L450X/L470X 4-12. SCHEMATIC DIAGRAM — DISPLAY SECTION — (Volume) (Page 27) (Volume) Note: • Voltage is dc with respect to ground under no-signal (detuned) condition. no mark : FM...
  • Page 30 CDX-L350/L450X/L470X • IC Block Diagrams IC1 µPD63711GC-8EU IC2 BA5810FP-E2 BIAS 71 70 LOADING PRE OPIN4+ FWD REV – OPIN4– MICROCOMPUTER INTERFACE AGCI 50 C2D3 LDCONT COMPARATOR 49 C2D2 CD-TEXT DECODER POWER OPOUT4 SAVE 48 C2D1 SUB-CODE PROCESSOR OPIN3+ MEMORY 47 C1D2 –...
  • Page 31 CDX-L350/L450X/L470X IC401 LC75421M-TLM 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 LSELO RSELO – – VREF...

  • Page 32: Exploded Views

    CDX-L350/L450X/L470X SECTION 5 EXPLODED VIEWS 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 33: Front Panel Section

    CDX-L350/L450X/L470X 5-2. FRONT PANEL SECTION not supplied (DISPLAY board) LCD501 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark X-3379-989-1 PANEL SUB ASSY, FRONT (L350) 3-224-600-01 BUTTON (1-6) X-3379-990-1 PANEL SUB ASSY, FRONT (L470X) 3-224-602-01 BUTTON (SOURCE)

  • Page 34: Cd Mechanism Section (1)

    CDX-L350/L450X/L470X 5-3. CD MECHANISM SECTION (1) (MG-393X-121//K) 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) * 111 A-3283-048-A SERVO BOARD, COMPLETE 3-040-038-01 SPRING (LR), TENSION...

  • Page 35: Cd Mechanism Section (2)

    CDX-L350/L450X/L470X 5-4. CD MECHANISM SECTION (2) (MG-393X-121//K) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-040-025-01 ARM, CHUCKING A-3307-422-A CHASSIS (M) COMPLETE ASSY 3-040-031-01 DAMPER (T) 3-040-059-01 SPRING (TR), TENSION 3-040-056-01 LEVER (D) 3-040-057-01 LEVER (LOCK)

  • Page 36: Cd Mechanism Section (3)

    CDX-L350/L450X/L470X 5-5. CD MECHANISM SECTION (3) (MG-393X-121//K) M901 M902 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. sécurité. Replace only with part number Ne les remplacer que par une piéce...

  • Page 37: Electrical Parts List

    CDX-L350/L450X/L470X SECTION 6 DISPLAY ELECTRICAL PARTS LIST 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 38 CDX-L350/L450X/L470X DISPLAY Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R502 1-219-286-11 RES-CHIP 1/16W R570 1-216-816-11 METAL CHIP 1/16W R503 1-219-286-11 RES-CHIP 1/16W (L350) R504 1-218-847-11 RES-CHIP 1/16W R570 1-216-817-11 METAL CHIP 1/16W R505 1-218-851-11 RES-CHIP 1.5K...
  • Page 39 CDX-L350/L450X/L470X IN SELF SW MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-676-709-11 IN SELF SW BOARD C602 1-162-927-11 CERAMIC CHIP 100PF C603 1-164-227-11 CERAMIC CHIP 0.022uF **************** C604 1-162-970-11 CERAMIC CHIP 0.01uF < SWITCH >...
  • Page 40 8-729-049-40 TRANSISTOR STC2412G D918 8-719-079-42 DIODE 1ZB22(TPA3) Q902 8-729-049-40 TRANSISTOR STC2412G D919 8-719-079-42 DIODE 1ZB22(TPA3) Q903 8-729-055-96 TRANSISTOR SRC1203S D920 8-719-079-97 DIODE CRZ22(TE85L.SONY) Q904 8-729-055-96 TRANSISTOR SRC1203S D921 8-719-079-97 DIODE CRZ22(TE85L.SONY) Q905 8-729-055-96 TRANSISTOR SRC1203S D922 8-719-079-42 DIODE 1ZB22(TPA3) Q906...
  • Page 41 CDX-L350/L450X/L470X MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark Q912 8-729-055-92 TRANSISTOR SRA2203S R619 1-216-817-11 METAL CHIP 1/16W Q913 8-729-019-00 TRANSISTOR 2SD2394-G R620 1-216-817-11 METAL CHIP 1/16W Q914 8-729-055-96 TRANSISTOR SRC1203S (L350) Q915 8-729-049-43 TRANSISTOR STB1132Y...
  • Page 42 CDX-L350/L450X/L470X MAIN SERVO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R901 1-216-214-00 RES-CHIP 4.7K 1/8W A-3283-048-A SERVO BOARD, COMPLETE R902 1-216-821-11 METAL CHIP 1/16W ********************** R903 1-249-429-11 CARBON 1/4W R904 1-216-841-11 METAL CHIP 1/16W < CAPACITOR >...
  • Page 43 CDX-L350/L450X/L470X SERVO SL SW SPEAKER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-216-864-11 SHORT 1-680-663-11 SPEAKER BOARD 1-216-864-11 SHORT ************** 1-216-864-11 SHORT ************************************************************* < IC > MISCELLANEOUS *************** 8-759-699-98 IC uPD63711GC-8EU 8-759-658-87 IC BA5810FP-E2 1-776-206-21 CORD (WITH CONNECTOR) (POWER) (US,CND,E) 1-776-527-11 CORD (WITH CONNECTOR) (ISO) (POWER) (AEP) <...
  • Page 44 CDX-L350/L450X/L470X Ref. No. Part No. Description Remark PARTS FOR INSTALLATION AND CONNECTIONS ************************************** 3-014-370-21 FRAME, FITTING 3-916-012-01 BRACKET (ND), FITTING ASSIST (L350) 7-682-160-01 SCREW +P 4X6 (L350) X-3368-725-1 SCREW ASSY, FITTING (L350) 3-224-614-01 COLLAR X-3366-405-1 SCREW ASSY (EXP), FITTING (L450X/L470X)
  • Page 45 CDX-L350/L450X/L470X 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. Ver. Date Description of Revision...

This manual is also suitable for:

Cdx-l450xCdx-l470x

Table of Contents