Equipment information

Sony CDX-L490B Car CD Tuner
Manufacturer
Sony
Model CDX-L490B
Date 2002
Category: Audio, Video, TV, Multimedia
Group Car CD Tuner
Description FM/AM COMPACT DISC PLAYER
Information
                                    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 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)
Harmonic distortion at 1 kHz
0.7% (stereo),
0.5% (mono)
Separation 33 dB at 1 kHz
Frequency response 30 – 15,000 Hz
AM
Tuning range 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 AM: 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)
General
Outputs Audio outputs (rear)
Power antenna relay control terminal
Power amplifier control terminal
Inputs Antenna input terminal
Tone controls Low: ±10 dB at 60 Hz (XPLOD)
Mid: ±10 dB at 1 kHz (XPLOD)
High: ±10 dB at 10 kHz (XPLOD)
Power requirements 12 V DC car battery
(negative earth)
Dimensions Approx. 178 × 50 × 176 mm
(w/h/d)
Mounting dimensions Approx. 182 × 53 × 161 mm
(w/h/d)
Mass Approx. 1.2 kg
Supplied accessories Parts for installation and connections
Front panel case (1)

These manuals are available for the above equipment:

Sony -- CDX-L490B -- Service Manual
File name Sony-3410-Manual-Page-1-Picture
Manual Type Service Manual
Pages 38
Size 3.91 Mbytes (4101109 Bytes)
Language english
Revision 1.0
Manual-ID/Number 9-874-266-01
Date December 2002
Quality Electronic document, no scan, very well readable.
Upload date
MD5 9299d543335a8efad42f209e9a59f1b4
Downloads 433 since 06 April 2012
Information
TABLE OF CONTENTS
1. GENERAL
Location of controls ................................................................. 4
Connections ............................................................................. 4
2. DISASSEMBLY
2-1. Sub Panel (1) Assy .............................................................. 6
2-2. CD Mechanism Block ......................................................... 7
2-3. Main Board ......................................................................... 7
2-4. Heat Sink ............................................................................. 8
2-5. Chassis (T) Sub Assy .......................................................... 8
2-6. Lever Section, In Self Sw Board ......................................... 9
2-7. Servo Board ......................................................................... 9
2-8. Shaft Roller Assy, Load Sw Board .................................... 10
2-9. Floating Block Assy .......................................................... 10
2-10. Optical Pick-up Block ....................................................... 11
3. DIAGRAMS
3-1. IC Pin Description ............................................................. 12
3-2. Circuit Boards Location .................................................... 14
3-3. Block Diagram –CD Section– ........................................... 15
3-4. Block Diagram –Tuner Section– ....................................... 16
3-5. Block Diagram –Display Section– .................................... 17
3-6. Printed Wiring Boards –CD Mechanism Section– ............ 18
3-7. Schematic Diagram –CD Mechanism Section– ................ 20
3-8. Printed Wiring Boards –Main Section– ............................ 21
3-9. Schematic Diagram –Main Section (1/2)– ........................ 22
3-10. Schematic Diagram –Main Section (2/2)– ........................ 23
3-11. Printed Wiring Board –Display Section– .......................... 24
3-12. Schematic Diagram –Display Section– ............................. 25
3-13. IC Block Diagrams ............................................................ 26
4. EXPLODED VIEWS
4-1. Chassis Section ................................................................. 28
4-2. Front panel Section ........................................................... 29
4-3. CD Mechanism Section (1) ............................................... 30
4-4. CD Mechanism Section (2) ............................................... 31
4-5. CD Mechanism Section (3) ............................................... 32
5. ELECTRICAL PARTS LIST ........................................ 33
Sony-3410-Manual-Page-1-Picture
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