SERVICE MANUAL
Ver. 1.0 2010.04
• HCD-GTR88 is the amplifi er, USB, CD player,
tuner and tape deck (only E4 Model) section in
MHC-GTR88.
Amplifi er section
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):
200 W + 200 W (at 6
, 1 kHz,
1% THD)
Front Speaker
RMS output power (reference):
345 W + 345 W (per channel at 8
,
1 kHz)
Satellite Speaker
RMS output power (reference):
140 W + 140 W (per channel at 24
,
1 kHz)
Subwoofer
RMS output power (reference):
200 W + 200 W (per channel at 6
,
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
or more
Sony Corporation
9-890-544-01
2010D08-1
Audio & Video Business Group
©
2010.04
Published by Sony EMCS (Malaysia) PG Tec
Photo: HCD-GTR88 (E4 Model)
Model Name Using Similar Mechanism
CD Section
CD Mechanism Type
Optical Pick-up Name
Model Name Using Similar Mechanism
Tape Deck Section
(only for E4 Model)
Tape Mechanism Type
SPECIFICATIONS
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
Laser Diode Properties
Emission Duration: Continuous
Laser Output*: Less than 44.6 W
* 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
HCD-GTR88
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 and Brazilian 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 tun-
ing interval)
531 kHz – 1,710 kHz (with 9 kHz tuning
interval)
Other models:
530 kHz – 1,610 kHz (with 10 kHz tun-
ing interval)
531 kHz – 1,602 kHz (with 9 kHz tuning
interval)
Antenna
AM loop antenna, external antenna
terminal
Intermediate frequency
450 kHz
COMPACT DISC DECK RECEIVER
E Model
Australian Model
HCD-GTZ4/GTZ4i/GTZ5
CDM88BL-DVBU101
KHM-313CAB/C2NP
HCD-GT111/GT222/GT444/GT555
CS-21SC-900TP
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: 460 W
Dimensions (w/h/d) (excl. speakers)
(Approx.)
231 mm × 361 mm × 518 mm
Mass (excl. speakers) (Approx.)
African and Pan Asian models: 16.2 kg
Other models: 15.7 kg
Design and specifi cations are subject to
change without notice.
•
Abbreviation
E4 : African model