Sony CDC-X437 Service Manual

SERVICE MANUAL
Ver 1.0 2003. 01
• The tuner and CD sections have no adjustments.
RADIO SECTION (US, Canadian model)
(FM)
Frequency Range: 87.5 MHz – 108 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: 70 dB
Stereo Separation: 35 dB at 1 kHz
Alternate Channel Selectivity: 90 dB
Capture Ratio: 3 dB
(AM)
Frequency Range: 530 kHz – 1,710 kHz
Usable Sensitivity: 30 µV (30 dB)
RADIO SECTION (AEP, UK model)
(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)
Sony Corporation
9-877-001-01
2003A0400-1 e Vehicle Company
© 2003. 01 Published by Sony Engineering Corporation
CDC-X237/X437
SPECIFICATIONS
FM/MW/LW COMPACT DISC PLAYER
Model Name Using Similar Mechanism
CD Drive Mechanism Type
Optical Pick-up Name
CD SECTION
Frequency Response: 17 Hz – 20 kHz +0/–3 dB
Dynamic Range: More than 85 dB
Channel Separation: More than 60 dB
S/N Ratio: More than 90 dB
Wow/Flutter: Unmeasurable
AUDIO SECTION
Max. Power Output: 45 W × 4 channels
AUX Input
Input sensitivity (load impedance) AUX: 300 mV (10 kΩ)
FM/AM COMPACT DISC PLAYER
US Model
Canadian Model
CDC-X237/X437
AEP Model
UK Model
CDC-X237
NEW
MG-930A-185
OPTIMA-752B2
– Continued on next page –
CDC-X237/X437
CDC-X237
1