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Sony CDX-L350 Service Manual
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Sony CDX-L350 Service Manual

Sony CDX-L350 Service Manual

Fm/am compact disc player
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See also: Service Manual , Operating Instructions
CDX-L350/L450X/L470X
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3 7 63 1515 0
SERVICE MANUAL
Ver 1.0 2001. 01
• The CD sections have no adjustments.
AUDIO POWER SPECIFICATIONS (US Model)
POWER OUTPUT AND TOTAL HARMONIC DISTORTION
TE
23 watts per channel minimum continuous average power into
L 13942296513
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)
www
.
Sony Corporation
9-870-257-11
2001A0400-1
Audio Entertainment Group
© 2001. 1
General Engineering Dept.
http://www.xiaoyu163.com
SPECIFICATIONS
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http://www.xiaoyu163.com
8
Photo: CDX-L470X
Model Name Using Similar Mechanism
CD Drive Mechanism Type
Optical Pick-up Name
Harmonic distortion at 1 kHz
Q Q
3
6 7
1 3
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
u163
.
2 9
9 4
2 8
Canadian Model
AEP Model
0.7% (stereo),
0.5% (mono)
1 5
0 5
8
2 9
9 4
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 –
m
co
9 9
US Model
CDX-L350
CDX-L450X
E Model
CDX-L450X/L470X
NEW
MG-393X-121//K
KSS-720A
2 8
9 9
1

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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 3 7 63 1515 0 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.

  • Page 4: General

    CDX-L350/L450X/L470X SECTION 1 GENERAL 3 7 63 1515 0 This section is extracted from instruction manual. L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 5: Cd Player

    CDX-L350/L450X/L470X 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 6: Other Functions

    CDX-L350/L450X/L470X 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 7: Connections

    CDX-L350/L450X/L470X 3 7 63 1515 0 Connections L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 8 CDX-L350/L450X/L470X 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 9: Disassembly

    CDX-L350/L450X/L470X SECTION 2 DISASSEMBLY 3 7 63 1515 0 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...

  • Page 10: Cd Mechanism Block

    CDX-L350/L450X/L470X 3 7 63 1515 0 2-2. CD MECHANISM BLOCK 7 bracket (CD) 5 CD mechanism block 6 PTT 2.6x6 2 PTT 2.6x6 1 PTT 2.6x6 L 13942296513 4 CNP701 2-3. MAIN BOARD 3 screw (+BTT) 5 MAIN board 4 screws (+BTT) 2 PTT 2.6x8...

  • Page 11: Heat Sink

    CDX-L350/L450X/L470X 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 12: Lever Section

    CDX-L350/L450X/L470X 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 special screw...

  • Page 13: Shaft Roller Assy

    CDX-L350/L450X/L470X 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) 4 shaft retainer shaft retainer washer washer shaft retainer retaing ring (RA) Fig.

  • Page 14: Optical Pick-Up Block

    CDX-L350/L450X/L470X 3 7 63 1515 0 2-10. OPTICAL PICK-UP BLOCK 1 P 2x3 2 sled motor assy 3 optical pick-up block L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 15: Electrical Adjustments

    CDX-L350/L450X/L470X SECTION 3 ELECTRICAL ADJUSTMENTS 3 7 63 1515 0 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 3 7 63 1515 0 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.

  • Page 17: Diagrams

    CDX-L350/L450X/L470X SECTION 4 DIAGRAMS 3 7 63 1515 0 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 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 19: Block Diagram -Cd Section

    http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 20: Block Diagram -Tuner Section

    http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 21: Block Diagram -Display Section

    http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 22: Printed Wiring Boards -Cd Mechanism Section

    http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 23 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 24: Schematic Diagram -Cd Mechanism Section

    http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 25: Printed Wiring Board -Main Section

    http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

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

    http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

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

    http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 28: Printed Wiring Board -Display Section

    http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 29: Schematic Diagram -Display Section

    http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 30 http://www.xiaoyu163.com 3 7 63 1515 0 – – L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 31 CDX-L350/L450X/L470X 3 7 63 1515 0 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 L 13942296513 LSELO RSELO –...

  • Page 32: Exploded Views

    CDX-L350/L450X/L470X SECTION 5 EXPLODED VIEWS 3 7 63 1515 0 NOTE: • The mechanical parts with no reference • Color Indication of Appearance Parts The components identified by mark 0 or dotted line with mark number in the exploded views are not supplied.

  • Page 33: Front Panel Section

    CDX-L350/L450X/L470X 3 7 63 1515 0 5-2. FRONT PANEL SECTION not supplied (DISPLAY board) LCD501 L 13942296513 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)

  • Page 34: Cd Mechanism Section (1)

    CDX-L350/L450X/L470X 3 7 63 1515 0 5-3. 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 35: Cd Mechanism Section (2)

    CDX-L350/L450X/L470X 3 7 63 1515 0 5-4. CD MECHANISM SECTION (2) (MG-393X-121//K) L 13942296513 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...

  • Page 36: Cd Mechanism Section (3)

    CDX-L350/L450X/L470X 3 7 63 1515 0 5-5. 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 37: Electrical Parts List

    CDX-L350/L450X/L470X SECTION 6 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 38 CDX-L350/L450X/L470X DISPLAY 3 7 63 1515 0 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...

  • Page 39: Ao Y U163

    CDX-L350/L450X/L470X IN SELF SW MAIN 3 7 63 1515 0 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...
  • 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 3 7 63 1515 0 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...
  • Page 42 CDX-L350/L450X/L470X MAIN SERVO 3 7 63 1515 0 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...
  • Page 43 CDX-L350/L450X/L470X SERVO SL SW SPEAKER 3 7 63 1515 0 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...
  • Page 44 CDX-L350/L450X/L470X 3 7 63 1515 0 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...

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