Sony CDX-M700R, Service Manual

Page: 1 / 82

1
Model Name Using Similar Mechanism NEW
CD Drive Mechanism Type MG-383V-121//K
Optical Pick-up Name KSS-720A
SERVICE MANUAL
US Model
Canadian Model
CDX-M750
AEP Model
UK Model
CDX-M700R
CDX-M700R/M750
Photo: CDX-M750
• The tuner and CD sections have no adjustments.
AUDIO POWER SPECIFICATIONS (CDX-M750)
POWER OUTPUT AND TOTAL HARMONIC DISTORTION
19 watts per channel minimum continuous average power into
4 ohms, 4 channels driven from 20 Hz to 20 kHz with no more
than 1% total harmonic distortion.
Other Specifications
CD player section
System Compact disc digital audio
system
Signal-to-noise ratio 90 dB
Frequency response 10 – 20,000 Hz
Wow and flutter Below measurable limit
Laser Diode Properties (CDX-M750)
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 (CDX-M750)
87.5 – 108.0 MHz (CDX-M700R)
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 (CDX-M750)
Tuning range 530 – 1,710 kHz
Antenna terminal External antenna connector
Intermediate frequency 10.7 MHz/450 kHz
Sensitivity
30 µV
SPECIFICATIONS
MW/LW (CDX-M700R)
Tuning range MW: 531 – 1,602 kHz
LW: 153 – 279 kHz
Aerial terminal External aerial connector
Intermediate frequency 10.7 MHz/450 kHz
Sensitivity
MW: 30 µV
LW: 40 µV
Power amplifier section
Outputs Speaker outputs
Speaker impedance 4 – 8 ohms
Maximum power output 50 W
×
4 (at 4 ohms)
General
Outputs Audio outputs (3)
Power antenna relay
control lead (CDX-M750)
Power aerial relay
control lead (CDX-M700R)
Power amplifier control
lead
Inputs Telephone ATT control
lead
Illumination control lead
Power requirements 12 V DC car battery
(negative ground)
FM/AM COMPACT DISC PLAYER
CDX-M750
FM/MW/LW COMPACT DISC PLAYER
CDX-M700R
– Continued on next page –
Ver 1.2 2001. 03
Sony Corporation
Audio Entertainment Group
General Engineering Dept.
9-870-134-12
2001C0400-1
© 2001. 3