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Sony CDX-L490EE Service Manual

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3 7 63 1515 0
SERVICE MANUAL
Ver 1.0 2003. 07
• The tuner and CD sections have no adjustments.
TE
L 13942296513
CD player section
Signal-to-noise ratio
90 dB
Frequency response
10 – 20,000 Hz
Wow and flutter
Below measurable limit
Tuner section
FM
Tuning range
FM1/FM2:
87.5 – 108 MHz (at 50 kHz step)
FM3:
65 – 74 MHz (at 30 kHz step)
Aerial terminal
External aerial connector
Intermediate frequency 10.7 MHz/450 kHz
Usable sensitivity
9 dBf
Selectivity
75 dB at 400 kHz
Signal-to-noise ratio
67 dB (stereo),
69 dB (mono)
Harmonic distortion at 1 kHz
0.5% (stereo),
0.3% (mono)
Separation
35 dB at 1 kHz
Frequency response
30 – 15,000 Hz
AM
Tuning range
531 – 1,602 kHz
Aerial terminal
External aerial 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)
www
.
Sony Corporation
9-961-056-01
2003G04-1
e Vehicle Company
© 2003. 07
Published by Sony Engineering Corporation
http://www.xiaoyu163.com
x
ao
u163
y
i
http://www.xiaoyu163.com
CDX-L490EE
2 9
8
Model Name Using Similar Mechanism
CD Drive Mechanism Type
Optical Pick-up Name
SPECIFICATIONS
Q Q
3
6 7
1 3
1 5
General
Outputs
Inputs
Tone controls
Power requirements
Dimensions
Mounting dimension
Mass
Supplied accessories
Design and specifications are subject to change without
notice.
FM/AM COMPACT DISC PLAYER
co
.
9 4
2 8
East European Model
CDX-L480X
MG-393XC-121//Q
KSS-721A
0 5
8
2 9
9 4
2 8
Audio outputs (rear)
Power aerial relay control
terminal
Telephone ATT control
terminal
Low:
±10 dB at 60 Hz (XPLOD)
Mid:
±10 dB at 1 kHz (XPLOD)
High:
±10 dB at 10 kHz (XPLOD)
12 V DC car battery
(negative earth)
Approx. 178 × 50 × 176 mm
(w/h/d)
Approx. 182 × 53 × 161 mm
(w/h/d)
Approx. 1.2 kg
Parts for installation and
connections
Front panel case (1)
m
9 9
9 9
1
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Summary of Contents for Sony CDX-L490EE

  • Page 1: Te L 13942296513

    (sure seal connectors) Speaker impedance 4 – 8 ohms Maximum power output 45 W × 4 (at 4 ohms) FM/AM COMPACT DISC PLAYER u163 Sony Corporation 9-961-056-01 2003G04-1 e Vehicle Company © 2003. 07 Published by Sony Engineering Corporation http://www.xiaoyu163.com...
  • Page 2 COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
  • Page 3 CDX-L490EE 3 7 63 1515 0 UNLEADED SOLDER Boards requiring use of unleaded solder are printed with the lead free mark (LF) indicating the solder contains no lead. (Caution: Some printed circuit boards may not come printed with the lead free mark due to their particular size.) : LEAD FREE MARK Unleaded solder has the following characteristics.

  • Page 4: Table Of Contents

    CDX-L490EE 3 7 63 1515 0 TABLE OF CONTENTS 1. GENERAL Location of controls ..............5 Connections ................6 2. DISASSEMBLY 2-1. Sub Panel Assy ..............7 2-2. CD Mechanism Block ............8 2-3. Main Board ................. 8 2-4. Heat Sink ................9 2-5.

  • Page 5: General

    CDX-L490EE SECTION 1 GENERAL 3 7 63 1515 0 This section is extracted from instruction manual. L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 6: Connections

    CDX-L490EE 3 7 63 1515 0 Connections L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 7: Disassembly

    CDX-L490EE SECTION 2 DISASSEMBLY 3 7 63 1515 0 Note : This set can be disassemble according to the following sequence. 2-5. CHASSIS (T.U) ASSY 2-1. SUB PANEL ASSY (Page 9) (Page 7) 2-6. DISC IN BOARD 2-7. SERVO BOARD 2-2.

  • Page 8: Cd Mechanism Block

    CDX-L490EE 3 7 63 1515 0 2-2. CD MECHANISM BLOCK 7 bracket (CD) 5 CD mechanism block 6 two screws (PTT 2.6x4) 2 screw (PTT 2.6x6) 1 screw (PTT 2.6x6) L 13942296513 4 CNP301 2-3. MAIN BOARD 3 screw (PTT 2.6x6)

  • Page 9: Heat Sink

    CDX-L490EE 3 7 63 1515 0 2-4. HEAT SINK 5 heat sink 3 screw (PTT 2.6x8) 2 two screws (PTT 2.6x12) 1 screw (PTT 2.6x8) L 13942296513 2-5. CHASSIS (T.U) ASSY 2 two screws (P 2x3) 3 two screws...

  • Page 10: Disc In Board

    CDX-L490EE 3 7 63 1515 0 2-6. DISC IN BOARD 4 guide (disc) 1 screw (PS 2x3) 2 DISC IN board 3 claws L 13942296513 2-7. SERVO BOARD 8 SERVO board 7 screw (PTT 2x4) 6 two screws (PTT 2x4) 2 Removal the solders.

  • Page 11: Shaft Roller Assy

    CDX-L490EE 3 7 63 1515 0 2-8. SHAFT ROLLER ASSY • When installing, take note of the positions arm (roller) and washers. (Fig. 1) 3 retaining ring (roller) bearing (roller) bearing (roller) 4 bearing (roller) washer (RA) retaining ring (roller) washer (RA) Fig.

  • Page 12: Optical Pick-Up Block

    CDX-L490EE 3 7 63 1515 0 2-10. OPTICAL PICK-UP BLOCK 1 two screws 4 screw (P 2x3) (P 2x3) 5 leaf spring (feed) 2 sled motor assy 3 optical pick-up block 6 shaft (feed) assy L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 13: Diagrams

    CDX-L490EE SECTION 3 DIAGRAMS 3 7 63 1515 0 3-1. IC PIN DESCRIPTION • IC501 MN101C49KSN (SYSTEM CONTROL) Pin No. Pin Name Pin Description VREF– — A/D converter power supply (–) pin S-meter voltage detection input Not used. (Fixed at L in this set)
  • Page 14 CDX-L490EE 3 7 63 1515 0 Pin No. Pin Name Pin Description X_EN Not used. (Open) LIMIT CD mechanism deck Limit switch detection input Not used. (Open) D_SW CD mechanism deck Down switch detection input INSW CD mechanism deck Disc in switch detection input Not used.

  • Page 15: Block Diagram -Cd Section

    CDX-L490EE 3 7 6 3 1 5 1 5 0 3-2. BLOCK DIAGRAM — CD SECTION — RF AMP,DIGITAL SERVO, DIGITAL SIGNAL PROCESSOR OPTICAL PICK-UP (KSS-721A) (Page 16) TUNER SECTION LOUT SYSTEM CONTROL ROUT IC501 (1/3) CONV DEMOD PACK...

  • Page 16: Block Diagram -Display Section

    CDX-L490EE 3 7 6 3 1 5 1 5 0 3-3. BLOCK DIAGRAM — TUNER SECTION — SOUND CONTROL ELECTRONIC VOLUME IC401 J330 AUDIO OUT REAR AUDIO 8.3V R-CH BUS-LCH POWER AMP IC750 (1/2) CN601 EFFECT CD-LCH MUTE Q441...

  • Page 17: Circuit Boards Location

    CDX-L490EE 3 7 6 3 1 5 1 5 0 3-5. CIRCUIT BOARDS LOCATION 3-4. BLOCK DIAGRAM — DISPLAY SECTION — SERVO board SYSTEM CONTROL LCD DRIVER IC501 (3/3) IC901 KEY MATRIX SUB (CD) board LSW904,905, KEYIN0 DISC IN board...

  • Page 18: Printed Wiring Boards -Cd Mechanism Section

    CDX-L490EE 3 7 6 3 1 5 1 5 0 3-6. PRINTED WIRING BOARDS — CD MECHANISM SECTION — • Refer to page 17 for Circuit Boards Location. : Uses unleaded solder. THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
  • Page 19 CDX-L490EE 3 7 6 3 1 5 1 5 0 : Uses unleaded solder. TP77 TP78 TP62 TP82 TP48 TP66 TP80 TP84 TP83 TP60 TP12 TP11 TP50 (Page 21) TP47 C9 C10 TP64 TP10 TP51 TP89 TP59 TP52 TP71...

  • Page 20: Schematic Diagram -Cd Mechanism Section

    CDX-L490EE 3-7. SCHEMATIC DIAGRAM — CD MECHANISM SECTION — • Refer to page 17 for Waveforms and page 18 for Common Note on Schematic Diagram. 3 7 6 3 1 5 1 5 0 • Refer to page 26 for IC Block Diagrams.

  • Page 21: Printed Wiring Board -Main Section

    CDX-L490EE 3 7 6 3 1 5 1 5 0 3-8. PRINTED WIRING BOARD — MAIN SECTION — • Refer to page 17 for Circuit Boards Location and page 18 for Common Note on Printed Wiring Boards. : Uses unleaded solder.

  • Page 22: Schematic Diagram -Main Section (1/2)

    CDX-L490EE 3 7 6 3 1 5 1 5 0 3-9. SCHEMATIC DIAGRAM — MAIN SECTION (1/2) — • Refer to page 17 for Waveforms and page 18 for Common Note on Schematic Diagram. • Refer to page 26 for IC Block Diagrams.

  • Page 23: Schematic Diagram -Main Section (2/2)

    CDX-L490EE 3 7 6 3 1 5 1 5 0 3-10. SCHEMATIC DIAGRAM — MAIN SECTION (2/2) — • Refer to page 18 for Common Note on Schematic Diagram. (Page 22) JC401 L502 R521 R536 R520 R539 C303 (Page 20)

  • Page 24: Printed Wiring Board -Key Section

    CDX-L490EE 3 7 6 3 1 5 1 5 0 3-11. PRINTED WIRING BOARD — KEY SECTION — • Refer to page 17 for Circuit Boards Location and page 18 for Common Note on Printed Wiring Boards. : Uses unleaded solder.

  • Page 25: Schematic Diagram -Key Section

    CDX-L490EE 3 7 6 3 1 5 1 5 0 3-12. SCHEMATIC DIAGRAM — KEY SECTION — • Refer to page 18 for Common Note on Schematic Diagram. R941 R951 R954 R956 R964 R987 R972 CN901 R942 R944 R952...

  • Page 26: Ic Block Diagrams

    CDX-L490EE 3 7 6 3 1 5 1 5 0 3-13. 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 POWER CD-TEXT DECODER...
  • Page 27 CDX-L490EE 3 7 63 1515 0 IC401 BD3803F-FE2 OUT- OUT- OUT- OUT- D-GND MUTE FADER FADER FADER FADER (0~-58, (0~-58, (0~-58, (0~-58, C BUS -∞dB) -∞dB) -∞dB) -∞dB) LOGIC TONE TONE PASS PASS BASS,TREBLE, MIDDLE BASS,TREBLE, MIDDLE (-15dB~+15dB,1dB STEP)
  • Page 28 CDX-L490EE 3 7 63 1515 0 IC750 TDA8589J/N1 OUT-FL- C BUS OUT-FL+ OUT-RL- PGND3 OUT-RL+ IN-RL IN-FL S-GND PROTECTION/ DIAGNOSTIC IN-FR IN-RR BEEP OUT-RR+ PGND2 OUT-RR- OUT-FR+ STANDBY/ MUTE OUT-FR- CHIP DETECT/ PGND1 DIAGNOSTIC BATTERY TEMPERATURE DIAG DETECTION PROTECTION...

  • Page 29: Exploded Views

    CDX-L490EE 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 mark 0 or dotted line with mark number in the exploded views are not supplied.

  • Page 30: Front Panel Section

    X-3383-959-1 BUTTON ASSY (S) A-3337-938-A PANEL COMPLETE ASSY, FRONT 3-246-463-01 FILTER (IR) 1-694-977-11 CONDUCTIVE BOARD, CONNECTION 3-246-466-01 PLATE (CD), LIGHT GUIDE 3-251-320-01 EMBLEM (NO.2.5), SONY 3-246-479-01 SPRING (RELEASE) LCD901 1-805-078-11 DISPLAY PANEL, LIQUID CRYSTAL u163 3-246-454-03 PANEL (CD), FRONT BACK 7-685-106-19 SCREW +P 2X10 TYPE2 NON-SLIT http://www.xiaoyu163.com...

  • Page 31: Cd Mechanism Section (1)

    CDX-L490EE 3 7 63 1515 0 4-3. CD MECHANISM SECTION (1) (MG-393XC-121//Q) not supplied (DISC IN board) not supplied (LOAD board) not supplied L 13942296513 supplied not supplied not supplied not supplied M903 Ref. No. Part No. Description Remark Ref.

  • Page 32: Cd Mechanism Section (2)

    CDX-L490EE 3 7 63 1515 0 4-4. CD MECHANISM SECTION (2) (MG-393XC-121//Q) not supplied L 13942296513 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-040-164-06 ARM, CHUCKING A-3315-243-E CHASSIS (M) ASSY 3-931-897-71 DAMPER (T) 3-220-180-01 SPRING (TR2), TENSION...

  • Page 33: Cd Mechanism Section (3)

    CDX-L490EE 3 7 63 1515 0 4-5. CD MECHANISM SECTION (3) (MG-393XC-121//Q) M901 not supplied (LIMIT board) M902 not supplied L 13942296513 (SUB (CD) board) The components identified by mark 0 or dotted line with mark 0 are critical for safety.

  • Page 34: Electrical Parts List

    CDX-L490EE SECTION 5 DISC IN 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 35 CDX-L490EE LIMIT LOAD MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R931 1-216-025-11 RES-CHIP 1/10W LOAD BOARD R932 1-216-021-00 METAL CHIP 1/10W *********** R933 1-216-017-11 RES-CHIP 1/10W R941 1-216-025-11 RES-CHIP 1/10W <...
  • Page 36 CDX-L490EE MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C508 1-162-918-11 CERAMIC CHIP 18PF D761 8-719-053-18 DIODE 1SR154-400TE-25 C509 1-162-966-11 CERAMIC CHIP 0.0022uF 10% D762 8-719-053-18 DIODE 1SR154-400TE-25 C601...
  • Page 37 CDX-L490EE MAIN SERVO 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark Q441 8-729-920-21 TRANSISTOR DTC314TK-T-146 R525 1-216-809-11 METAL CHIP 1/10W Q451 8-729-920-21 TRANSISTOR DTC314TK-T-146 R526 1-216-809-11 METAL CHIP 1/10W Q461...
  • Page 38 CDX-L490EE SERVO 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 1-216-809-11 METAL CHIP 1/10W 1-125-837-11 CERAMIC CHIP 6.3V 1-216-809-11 METAL CHIP 1/10W 1-107-826-11 CERAMIC CHIP 0.1uF...
  • Page 39 CDX-L490EE 3 7 63 1515 0 Ref. No. Part No. Description Remark PARTS FOR INSTALLATION AND CONNECTIONS *************************************** X-3382-647-1 FRAME ASSY, FITTING X-3381-154-1 SCREW ASSY (BS4), FITTING 3-349-410-11 BUSHING 3-246-468-01 COLLAR 1-465-459-21 ADAPTOR, ANTENNA 3-246-471-01 KEY (FRAME) 1-776-527-61 CORD (WITH CONNECTOR) (ISO) (POWER)
  • Page 40 CDX-L490EE 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 on the revised page allows you to jump to the next revised page.

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