Sony CDX-GT454US Service Manual

CDX-GT450U/GT454US
SERVICE MANUAL
Ver. 1.0 2010.10
• The tuner and CD sections have no adjustments.
AUDIO POWER SPECIFICATIONS
(US model)
CEA2006 Standard
Power Output: 17 Watts RMS × 4 at
4 Ohms < 1 % THD + N
SN Ratio: 80 dBA
(reference: 1 Watt into 4 Ohms)
Tuner section
FM
Tuning range:
US, CND model: 87.5 – 107.9 MHz
RU model: 87.5 – 108.0 MHz
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 150 kHz
Usable sensitivity: 10 dBf
Selectivity: 75 dB at 400 kHz
Signal-to-noise ratio: 70 dB (mono)
Separation: 40 dB at 1 kHz
Frequency response: 20 – 15,000 Hz
9-889-981-01
Sony Corporation
2010J04-1
© 2010.10 Published by Sony Techno Create Corporation
Photo: CDX-GT450U
SPECIFICATIONS
AM (US, CND model)
Tuning range: 530 – 1,710 kHz
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 25 kHz
Sensitivity: 26 μV
MW/LW (RU model)
Tuning range:
MW: 531 – 1,602 kHz
LW: 153 – 279 kHz
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 25 kHz
Sensitivity: MW: 26 μV, LW: 45 μV
FM/AM COMPACT DISC PLAYER
FM/MW/LW COMPACT DISC PLAYER
Canadian Model
Russian Model
Model Name Using Similar Mechanism
CD Drive Mechanism Type
Optical Pick-up Name
CD Player section
Signal-to-noise ratio: 120 dB
Frequency response: 10 – 20,000 Hz
Wow and fl utter: Below measurable limit
USB Player section
Interface: USB (Full-speed)
Maximum current: 500 mA
Power amplifi er section
Outputs: Speaker outputs
Speaker impedance: 4 – 8 ohms
Maximum power output:
52 W × 4 (at 4 ohms)
– Continued on next page –
US Model
CDX-GT450U
CDX-GT454US
NEW
MG-101N-188
DAX-25A
US, Canadian model
Russian model