Sony CDX-L550X Service Manual

CDX-L550X/L570X
SERVICE MANUAL
Ver 1.1 2001. 07
• The tuner and 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 (US, Canadian Model)
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 87.5 – 107.9 MHz (US, Canadian model)
FM tuning interval (E Model):
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/450 kHz
Usable sensitivity 8 dBf
Selectivity 75 dB at 400 kHz
Signal-to-noise ratio 66 dB (stereo),
72 dB (mono)
Harmonic distortion at 1 kHz
0.6% (stereo),
0.3% (mono)
Separation 35 dB at 1 kHz
Frequency response 30 – 15,000 Hz
AM
Tuning range 530 – 1,710 kHz (US, Canadian model)
AM tuning interval (E model):
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
Sony Corporation
9-870-255-12
2001G0400-1 e Vehicle Company
© 2001. 7 Shinagawa Tec Service Manual Production Group
Photo: CDX-L550X
Model Name Using Similar Mechanism
CD Drive Mechanism Type
Optical Pick-up Name

SPECIFICATIONS

Power amplifier section
Outputs
Speaker impedance
Maximum power output 52 W × 4 (at 4 ohms)
General
Outputs
Input
Tone controls
Loudness (E model)
Power requirements
Dimensions
Mounting dimensions
Mass
Supplied accessories
Note
This unit cannot be connected to a digital preamplifier or an equalizer.
Design and specifications are subject to change without
notice.
FM/AM COMPACT DISC PLAYER
US Model
Canadian Model
E Model
NEW
MG-393X-121//K
KSS-720A
Speaker outputs
(sure seal connectors)
4 – 8 ohms
Audio outputs
Power Antenna relay control lead
Power amplifier control lead
Telephone ATT control lead
Bass ±10 dB at 62 Hz (US, Canadian model)
Bass ±8 dB at 100 Hz (E model)
Treble ±10 dB at 16 kHz (US, Canadian model)
Treble ±8 dB at 10 kHz (E model)
+8 dB at 100 Hz
+2 dB at 10 kHz
12 V DC car battery
(negative ground)
Approx. 178 × 50 × 176 mm
× 2 × 7 in.) (w/h/d)
(7
1/8
Approx. 182 × 53 × 161 mm
× 2 × 6
(7 in.) (w/h/d)
1/4 1/8 3/8
Approx. 1.2 kg
(2 lb. 10 oz.)
Parts for installation and connections (1 set)
Front panel case (1)
CDX-L550X
CDX-L570X
1