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-L250
E Model
CDX-L430X
CDX-L250/L430X
FM/AM COMPACT DISC PLAYER
Photo: CDX-L430X
• The CD sections have no adjustments.
AUDIO POWER SPECIFICATIONS (US Model)
POWER OUTPUT AND TOTAL HARMONIC DISTORTION
22 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-L250)
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.
Intermediate frequency 10.7 MHz
Usable sensitivity
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-L250:
530 – 1,710 kHz
CDX-L430X:
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.
9-870-258-11
2001A0400-1
© 2001. 1
www. xiaoyu163. com
QQ 376315150
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