Sony hcd gt 22 service manual

Page 1

HCD-GTZZ/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.

I 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.

Photo: HG D-GT55

E Model

HCD-G T22/G T44/G T55

Australian Model
HCD-GT22/G T44

Model Name Using Similar Mechanism NEW

CD CD Mechanism Type

CDM74KF-K6BD91UR-WOD

Section Base Unit Name

BU-KGBD91UR-WOD74

Optical Pick-up Block Name KSM-213DCP
TAPE Model Name Using Similar Mechanism NEW

Section Tape Transport Mechanism Type CWN42FF609
SPECIFICATIONS
Amplier section HCD-GT22 USB 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 Q. 1 kHz, 1% THD)
RMS output power (reference):
200 W + 200 W (per channel at 6 £2,
1 kHz, 10% THD)
Subwoofer
RMS output power (reference): 190 W
(at 6 Q. 80 Hz, 10% THD)

HCD-GT44
The following are measured at AC 120, 127,
220, 240V 50/601-12
Front speaker
Power output (rated): 90 W + 90 W
(at 69, 1 kHz, 1% THD)
RMS output power (reference):
150 W + 150 W (per channel at 6 Q,
1 kHz, 10% THD)
Subwoofer
RMS output power (reference): 150 W
(at 6 Q. 80 Hz, 10% THD)

9-887-722-01
2007F0571
© 2007.06

Sony Corporation
Personal Audio Division
Published by SonyTechno Create Corporation

The following are measured at AC 120, 127.
220. Z40V 50/60Hz
Power output (rated): 110 W + 110 W
(at 6 S2, 1 kHz, 1% THD)
RMS output power (reference):
200 W + 200 W (per channel at 6 Q,
1 kHz, 10% THD)

Inputs

AUDIO (phonojack): voltage 250 mV,
impedance 47 kilohms

MIC (phonejack): sensitivity 1 mV,
impedance 10 kilohms

«e (USB) port: Type A

Outputs

PHONES (stereo mini jack): accepts
headphones of 8 Q or more

SPEAKER: accepts impedance of6 to 16 £2
SUB WOOFER OUT (HCD-GTSS/GT44
only): accepts impedance of6 to 16 (2

Supported bit rate
MP3 (MPEG 1 Audio Layer-3):
32 r 320 kbps, VBR
Sampling frequencies
MP3 (MPEG 1 Audio Layer-3):
32/44.]l48 kHz
Transfer speed
Full-Speed
Supported USB device
Mass Storage Class
Maximum current
500 mA

00 player section

System: Compact disc and digital audio
system

Laser: Semiconductor laser (1:770 ,
810 nm)

Emission duration: continuous
Frequency response: 20 HL , 20 kHL
Signal-to-noise ratio: More than 90 dB
Dynamic range: More than 88 dB

- Continued on next page -

COMPACT DISC DECK RECEIVER

ONY®

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HCD-GT22/GT44/GT55

Tape deck section

Recording system: 4-track Z-channel, stereo
Frequency response: 50 r 13,000 Hz (:3
dB), using Sony TYPE I cassettes

interval)

interval)

Tuner section , 1 I V 1
FM stereo, FM/AM superheterodyne tuner A enna ertntna
FM tuner section:
Tuning range:

87.5 7 108.0 MHZ (50 kHz step)
Antenna: FM lead antenna
Antenna terminals: 75 ohms unbalanced
Intermediate frequency: 107 MHL
AM tuner section:
Tuning range

Latin American and Oceanian

General

Power requirements

50/60 Hz

Other models:
5307 1,610 kHz (with 10 kHL tuning

531 7 1,602 kHz (with 9 kHz tuning
Antenna: AM loop antenna, external

Intermediate frequency: 450 kHz

Dimensions (w/h/d) (excl. speakers)
HCD-GT55:
Approx. 280 X 365 X 425 mm
HCD-GT44/GT22:
Approx. 280 X 325 X 425 min
Mass (excl. speakers)
HCD-GT55: 10.5 kg
HCD-GT44/GT22: 10.0 kg

Design and specifications are subject to
change without notice.

Oceanian model: AC 230 r 240 V.

Mexican model: AC 127 V, min
Argentine model: AC 220 V, 50/60 Hz
Other models: AC 120, 220 or

230 - 240 V, 50/60 Hz, Adjustable
with voltage selector

models: .
530 s 1,710 kHz (with 10 kHz tuning Power Cunsmnplwn

interval) HCD-GTSS: 225 w
531 , 1,710 kHz (with 9 kHz tuning HCD-GT44: 250 W
interval) HCD-GT22: 150 w

Notes on chip component replacement
0 Never reuse a disconnected chip component.
0 Notice that the minus side of a tantalum capacitor may be
damaged by heat.

Flexible Circuit Board Repairing
0 Keep the temperature of the soldering iron around 270 °C
during repairing.
0 Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
0 Be careful not to apply force on the conductor when soldering
or unsoldering.

CAUTION

Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous radiation
exposure.

This appliance

is classified

as a CLASS 1
LASER product.
This marking is
located on the rear
exterior.

CLA531 use»: pnooucr
LUOKANl assume

KLASSt LASERAPPARAY

SAFETY-RELATED COMPONENT WARNINGII

COMPONENTS IDENTIFIED BY MARK A OR DOTTED LINE
WITH MARK A ON THE SCHEMATIC DIAGRAMS AND IN
THE PARTS LIST ARE CRITICAL TO SAFE OPERATION.
REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE
PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR
IN SUPPLEMENTS PUBLISHED BY SONY.