Sony HCD-GTR33 Service Manual

HCD-GTR33/GTR55/GTR77
SERVICE MANUAL
Ver. 1.0 2010.03
• HCD-GTR33 is the amplifi er, USB, CD player, tuner and
tape deck (only E4 model) section in MHC-GTR33.
• HCD-GTR55 is the amplifi er, USB, CD player, tuner and
tape deck (only E4 model) section in MHC-GTR55.
• HCD-GTR77 is the amplifi er, USB, CD player, tuner and
tape deck (only E4 model) section in MHC-GTR77.
"WALKMAN" and "WALKMAN" logo are registered
trademarks of Sony Corporation.
MICROVAULT is a trademark of Sony Corporation.
MPEG Layer-3 audio coding technology and patents licensed
from Fraunhofer IIS and Thomson.
Windows Media is a registered trademark of Microsoft
Corporation in the United States and/or other countries.
"Memory Stick" is a trademark of Sony Corporation.
Amplifi er section
MHC-GTR77
The following are measured at
Mexican model:
AC 127 V, 60 Hz
Other models:
AC 120 V, 220 V, 240 V, 50/60 Hz
Front/Satellite Speaker
Power Output (rated):
120 W + 120 W (at 6 Ω, 1 kHz, 1% THD)
Front Speaker
RMS output power (reference):
225 W + 225 W (per channel at 8 Ω, 1 kHz)
Satellite Speaker
RMS output power (reference):
100 W + 100 W (per channel at 24 Ω,
1 kHz)
Subwoofer
RMS output power (reference):
130 W + 130 W (12 Ω, 100 Hz)
MHC-GTR55
The following are measured at
Mexican model:
AC 127 V, 60 Hz
Other models:
AC 120 V, 220 V, 240 V, 50/60 Hz
Front Speaker
Power Output (rated):
110 W + 110 W (at 6 Ω, 1 kHz, 1% THD)
RMS output power (reference):
240 W + 240 W (per channel at 6 Ω, 1 kHz)
Subwoofer
RMS output power (reference):
240 W (6 Ω, 100 Hz)
MHC-GTR33
The following are measured at
Mexican model:
AC 127 V, 60 Hz
Other models:
AC 120 V, 220 V, 240 V, 50/60 Hz
Sony Corporation
9-890-541-01
2010C08-1 Audio & Video Business Group
©
2010.03 Published by Sony EMCS (Malaysia) PG Tec
Photo: HCD-GTR77 (E4 Model)
CD Section
Tape Section
(Only for E4 model)

SPECIFICATIONS

Front Speaker
Power Output (rated):
75 W + 75 W (at 6 Ω, 1 kHz, 1% THD)
RMS output power (reference):
165 W + 165 W (per channel at 6 Ω, 1 kHz)
Subwoofer
RMS output power (reference):
160 W (6 Ω, 100 Hz)
Inputs
PC (AUDIO IN) L/R
Voltage 700 mV, impedance 47 kilohms
MIC
Sensitivity 1 mV, impedance 10 kilohms
(USB) port: Type A
Outputs
PHONES
Accepts headphones of 8 Ω or more
USB section
Supported bit rate
MP3 (MPEG 1 Audio Layer-3):
32 kbps – 320 kbps, VBR
WMA: 48 kbps – 192 kbps
AAC: 48 kbps – 320 kbps
Sampling frequencies
MP3 (MPEG 1 Audio Layer-3):
32 kHz/44.1 kHz/48 kHz
WMA: 44.1 kHz
AAC: 44.1 kHz
Transfer speed
Full-Speed
Supported USB device
Mass Storage Class
Maximum current
500 mA
Disc player section
System
Compact disc and digital audio system
Model Name Using Similar Mechanism
CD Mechanism Type
Optical Pick-up Name
Model Name Using Similar Mechanism
Tape mechanism Type
Laser Diode Properties
Emission Duration: Continuous
Laser Output*: Less than 44.6 μW
* This output is the value measurement at
a distance of 200 mm from the objective
lens surface on the Optical Pick-up Block
with 7 mm aperture.
Frequency response
20 Hz – 20 kHz
Signal-to-noise ratio
More than 90 dB
Dynamic range
More than 88 dB
Tape deck section
(For African model only)
Recording system
4-track 2 channel, stereo
Tuner section
FM stereo, FM/AM superheterodyne tuner
FM tuner section
Tuning range
North American models:
87.5 MHz – 108.0 MHz (100 kHz step)
Other models:
87.5 MHz – 108.0 MHz (50 kHz step)
Antenna
FM lead antenna
Antenna terminals
75 ohms unbalanced
Intermediate frequency
10.7 MHz
AM tuner section
Tuning range
Pan American and Oceanian models:
530 kHz – 1,710 kHz (with 10 kHz tuning
interval)
531 kHz – 1,710 kHz (with 9 kHz tuning
interval)
COMPACT DISC DECK RECEIVER
E Model
HCD-GTZ4/GTZ4i/GTZ5
CDM88BL-DVBU101
KHM-313CAB/C2NP
HCD-GT111/GT222/GT444/GT555
CS-21SC-900TP
Other models:
530 kHz – 1,610 kHz (with 10 kHz tuning
interval)
531 kHz – 1,602 kHz (with 9 kHz tuning
interval)
Antenna
AM loop antenna, external antenna terminal
Intermediate frequency
450 kHz
General
Power requirements
Oceanian model: AC 230 V – 240 V,
50/60 Hz
Mexican model: AC 127 V, 60 Hz
Argentina model: AC 220 V, 50/60 Hz
Other models: AC 120 V, 220 V or
230 V – 240 V, 50/60 Hz, Adjustable with
voltage selector
Power consumption
MHC-GTR77: 260 W
MHC-GTR55: 250 W
MHC-GTR33: 280 W
Dimensions (w/h/d) (excl. speakers)
(Approx.)
231 mm × 361 mm × 429.5 mm
Mass (excl. speakers) (Approx.)
African and Pan Asian models:
HCD-GTR77/HCD-GTR55: 10.7 kg
HCD-GTR33: 10.5 kg
Other models:
HCD-GTR77/HCD-GTR55: 10.2 kg
HCD-GTR33: 10.0 kg
Design and specifi cations are subject to change
without notice.
• Abbreviation
E4 : African model