Sony HCD-GT22 Service Manual

HCD-GT22/GT44/GT55
SERVICE MANUAL
Ver. 1.0 2007.06
HCD-GT22 is the amplifier, USB, CD player, tape
deck and tuner section in MHC-GT22.
HCD-GT44 is the amplifier, USB, CD player, tape
deck and tuner section in MHC-GT44.
HCD-GT55 is the amplifier, USB, CD player, tape
deck and tuner section in MHC-GT55.
Amplier section
HCD-GT55
The following are measured at AC 120, 127,
220, 240V 50/60Hz
Front speaker
Power output (rated): 110 W + 110 W
(at 6 , 1 kHz, 1% THD)
RMS output power (reference):
200 W + 200 W (per channel at 6 ,
1 kHz, 10% THD)
Subwoofer
RMS output power (reference): 190 W
(at 6 , 80 Hz, 10% THD)
HCD-GT44
The following are measured at AC 120, 127,
220, 240V 50/60Hz
Front speaker
Power output (rated): 90 W + 90 W
(at 6 , 1 kHz, 1% THD)
RMS output power (reference):
150 W + 150 W (per channel at 6 ,
1 kHz, 10% THD)
Subwoofer
RMS output power (reference): 150 W
(at 6 , 80 Hz, 10% THD)
Sony Corporation
9-887-722-01
Personal Audio Division
2007F05-1
Published by Sony Techno Create Corporation
© 2007.06
Photo: HCD-GT55
Model Name Using Similar Mechanism
CD CD Mechanism Type
Section Base Unit Name
Optical Pick-up Block Name
TAPE Model Name Using Similar Mechanism
Section Tape Transport Mechanism Type
SPECIFICATIONS
HCD-GT22
The following are measured at AC 120, 127,
220, 240V 50/60Hz
Power output (rated): 110 W + 110 W
(at 6 , 1 kHz, 1% THD)
RMS output power (reference):
200 W + 200 W (per channel at 6 ,
1 kHz, 10% THD)
Inputs
AUDIO (phono jack): voltage 250 mV,
impedance 47 kilohms
MIC (phone jack): sensitivity 1 mV,
impedance 10 kilohms
(USB) port: Type A
Outputs
PHONES (stereo mini jack): accepts
headphones of 8 or more
SPEAKER: accepts impedance of 6 to 16
SUB WOOFER OUT (HCD-GT55/GT44
only): accepts impedance of 6 to 16
COMPACT DISC DECK RECEIVER
E Model
HCD-GT22/GT44/GT55
Australian Model
HCD-GT22/GT44
NEW
CDM74KF-K6BD91UR-WOD
BU-K6BD91UR-WOD74
KSM-213DCP
NEW
CWN42FF609
USB section
Supported bit rate
MP3 (MPEG 1 Audio Layer-3):
32 – 320 kbps, VBR
Sampling frequencies
MP3 (MPEG 1 Audio Layer-3):
32/44.1/48 kHz
Transfer speed
Full-Speed
Supported USB device
Mass Storage Class
Maximum current
500 mA
CD player section
System: Compact disc and digital audio
system
Laser: Semiconductor laser ( =770 –
810 nm)
Emission duration: continuous
Frequency response: 20 Hz – 20 kHz
Signal-to-noise ratio: More than 90 dB
Dynamic range: More than 88 dB
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