SERVICE MANUAL
Sony Corporation
eVehicle Division
Published by Sony Techno Create Corporation
US Model
CDX-GT42IPW/GT420IP
AEP Model
UK Model
CDX-GT44IP
9-887-813-01
2007H04-1
© 2007. 08
Ver. 1.0 2007. 08
SPECIFICATIONS
CD player section
Signal-to-noise ratio 120 dB
Frequency response 10 – 20,000 Hz
Wow and flutter Below measurable limit
Tuner section
FM
Tuning range CDX-GT42IPW/GT420IP:
87.5 – 107.9 MHz
CDX-GT44IP:
87.5 – 108.0 MHz
Antenna terminal External antenna connector
Intermediate frequency 10.7 MHz/450 kHz
Usable sensitivity 9 dBf
Selectivity 75 dB at 400 kHz
Signal-to-noise ratio 67 dB (stereo), 69 dB (mono)
Harmonic distortion at 1 kHz
0.5% (stereo), 0.3% (mono)
Separation 35 dB at 1 kHz
Frequency response 30 – 15,000 Hz
AM (CDX-GT42IPW/GT420IP)
Tuning range 530 – 1,710 kHz
Antenna terminal External antenna connector
Intermediate frequency 10.7 MHz/450 kHz
Sensitivity 30 µV
MW/LW (CDX-GT44IP)
Tuning range MW: 531 – 1,602 kHz
LW: 153 – 279 kHz
Antenna terminal External antenna connector
Intermediate frequency 10.7 MHz/450 kHz
Sensitivity MW: 30 µV, LW: 40 µV
• The tuner and CD sections have no adjustments.
Model Name Using Similar Mechanism CDX-GT22W/GT120/GT220
CD Drive Mechanism Type MG-101TC-188//C
Optical Pick-up Name DAX-25A
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AUDIO POWER SPECIFICATIONS (CDX-GT42IPW/GT420IP)
POWER OUTPUT AND TOTAL HARMONIC DISTORTION
23.2 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.
(Photo: CDX-GT42IPW)
CDX-GT42IPW/GT44IP/
GT420IP
FM/AM COMPACT DISC PLAYER
CDX-GT42IPW/GT420IP
FM/MW/LW COMPACT DISC PLAYER
CDX-GT44IP
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