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SERVICE MANUAL
Model Name Using Similar Mechanism NEW
Tape Transport Mechanism Type MG-25F-136
FM/AM CASSETTE CAR STEREO
AEP Model
SPECIFICATIONS
XR-4950X
Ver 1.0 2001.04
9-873-510-11 Sony Corporation
2001D0500-1 e Vehicle Company
C 2001.4 Shinagawa Tec Service Manual Production Group
General
Outputs Audio output
Power aerial relay control
lead
Power amplifier control
lead
Telephone ATT control
lead
Tone controls Bass ±9 dB at 100 Hz
Treble ±9 dB at 10 kHz
Power requirements 12 V DC car battery
(negative earth)
Dimensions Approx. 178 × 50 × 183 mm
(w/h/d)
Mounting dimensions Approx. 182 × 53 × 162 mm
(w/h/d)
Mass Approx. 1.2 kg
Supplied accessories Parts for installation and
connections (1 set)
Front panel case (1)
Design and specifications are subject to change
without notice.
Cassette player section
Tape track 4-track 2-channel stereo
Wow and flutter 0.08 % (WRMS)
Frequency response 30 – 18,000 Hz
Signal-to-noise ratio 58 dB
Tuner section
FM
Tuning range 87.5 – 108.0 MHz
Aerial terminal External aerial connector
Intermediate frequency 10.7 MHz/450kHz
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 531 – 1,602 kHz
Aerial terminal External aerial 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)