Equipment information

Sony CT-R442 Car Radio cassette
Manufacturer
Sony
Model CT-R442
Date 2003
Category Audio Video TV Multimedia
Group Car Radio cassette
Description FM/MW/LW CASSETTE CAR STEREO
Information
                                    RADIO SECTION
(FM)
Frequency Range: 87.5 MHz – 108 MHz
Intermediate frequency: 10.7 MHz
Usable Sensitivity: 12.7 dBf
50 dB Quieting Sensitivity: 17.2 dBf
IF Rejection: 100 dB
Frequency Response: 30 Hz – 15,000 Hz
S/N Ratio: 67 dB
Stereo Separation: 35 dB at 1 kHz
Alternate Channel Selectivity: 90 dB
Capture Ratio: 3 dB
(MW)
Frequency Range: 531 kHz – 1,602 kHz
Intermediate frequency: 10.71 MHz/450 kHz
Usable Sensitivity: 30 μV (30 dB)
(LW)
Frequency Range: 144 kHz – 288 kHz (1-kHz/9-kHz
steps)
Intermediate frequency: 10.71 MHz/450 kHz
Usable Sensitivity: 30 μV (30 dB)
TAPE SECTION
Tape Speed: 4.8 cm/sec.
S/N Ratio: 50 dB
Frequency Response: 40 Hz – 14,000 Hz
Stereo Separation: 40 dB
AUDIO SECTION
Max. Power Output: 40 W × 4 channels
AUX input
Input sensitivity (load impedance) AUX: 300 mV
(10 kΩ)
GENERAL
Power-Supply Voltage: 14.4 V (11 to 16 V
allowable), DC, negative ground
Load Impedance: 4 Ω
Tone Control: Bass ± 10 dB at 100 Hz, Treble
± 10 dB at 10 kHz
Preamp Output Voltage (load impedance): 2.2 V
(10 kΩ)
Installed size: 182 (W) × 53 (H) × 155 (D) mm
Supplied Accessory: Carrying case (1)

These manuals are available for the above equipment:

Manual Type Service Manual Sony-3413-Manual-Page-1-Picture
Pages 28
Size 2.19 Mbytes (2293372 Bytes)
Language english
Revision 1.0
Manual-ID/Number 9-877-102-01
Date March 2003
Quality Electronic document, no scan, very well readable.
Upload date
MD5 b62521d2f0ddd06427397132e28217ce
Downloads 469 since 07 April 2012
Information
TABLE OF CONTENTS
1. GENERAL  ...  3
2. DISASSEMBLY
2-1. Disassembly Flow  ...  7
2-2. Mechanical Deck Assy (CDS-363AG1-A) ...  8
2-3. Sub Panel Assy  ...  9
2-4. MAIN Board  ...  10
3. ELECTRICAL ADJUSTMENT ...  11
4. DIAGRAMS
4-1. Note for Printed Wiring Boards and
Schematic Diagrams  ...  12
4-2. Printed Wiring Board – MAIN Board –  ...  13
4-3. Schematic Diagram – MAIN Board (1/3) –  ...  14
4-4. Schematic Diagram – MAIN Board (2/3) –  ...  15
4-5. Schematic Diagram – MAIN Board (3/3) –  ...  16
4-6. Printed Wiring Boards – KEY/AUX Boards –  ...  18
4-7. Schematic Diagram – KEY/AUX Boards –  ...  19
4-8. IC Pin Function Description  ...  20
4. EXPLODED VIEWS
4-1. Main Section  ...  22
4-2. Front Panel Section  ...  23
5. ELECTRICAL PARTS LIST  ...  24
Sony-3413-Manual-Page-1-Picture


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