1
Model Name Using Similar Mechanism NEW
CD Drive Mechanism Type MG-393X-121//K
Optical Pick-up Name KSS-720A
SERVICE MANUAL
US Model
Canadian Model
CDX-L350
AEP Model
CDX-L450X
E Model
CDX-L450X/L470X
CDX-L350/L450X/L470X
FM/AM COMPACT DISC PLAYER
Photo: CDX-L470X
• The CD sections have no adjustments.
AUDIO POWER SPECIFICATIONS (US Model)
POWER OUTPUT AND TOTAL HARMONIC DISTORTION
23 watts per channel minimum continuous average power into
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)
SPECIFICATIONS
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 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)
Antenna terminal External antenna 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 50 W × 4 (at 4 ohms)
– Continued on next page –
Ver 1.0 2001. 01
Sony Corporation
Audio Entertainment Group
General Engineering Dept.
9-870-257-11
2001A0400-1
© 2001. 1
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