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