SERVICE MANUAL
Sony Corporation
Published by Sony EMCS (Malaysia) PG Tec
SPECIFICATIONS
9-890-651-02
2014J80-1
©
2014.10
Ver. 1.1 2014.10
• HCD-GPX555 is the ampli
fi
er, USB, CD player,
Bluetooth, NFC and tuner section in MHC-GPX555.
• HCD-GPX888 is the ampli
fi
er, USB, CD player,
Bluetooth, NFC and tuner section in MHC-GPX888.
Photo: HCD-GPX888
CD Section
Model Name Using
Similar Mechanism
HCD-GPX33
CD Mechanism Type
CDM90-DVBU204//M
Optical Pick-up Name
CMS-S76RFS7G
COMPACT DISC RECEIVER
US Model
HCD-GPX555
E Model
HCD-GPX555/GPX888
Australian Model
HCD-GPX555
HCD-GPX555/GPX888
• “WALKMAN” and “WALKMAN” logo are registered trademarks of Sony Corporation.
• MPEG Layer-3 audio coding technology and patents licensed from Fraunhofer IIS and Thomson.
• Windows Media is either a registered trademark or trademark of Microsoft Corporation in the United States and/or
other countries.
• This product is protected by certain intellectual property rights of Microsoft Corporation. Use or distribution of
such technology outside of this product is prohibited without a license from Microsoft or an authorized Microsoft
subsidiary.
• The
Bluetooth
®
word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such
marks by Sony Corporation is under license. Other trademarks and trade names are those of their respective owners.
• The N Mark is a trademark or registered trademark of NFC Forum, Inc. in the United States and in other countries.
• Android™ is a trademark of Google Inc.
• Google Play™ is a trademark of Google Inc.
• iPhone and iPod touch are trademarks of Apple Inc., registered in the U.S. and other countries. App Store is a service
mark of Apple Inc.
• “Made for iPod” and “Made for iPhone” mean that an electronic accessory has been designed to connect specifically
to iPod or iPhone, respectively, and has been certified by the developer to meet Apple performance standards. Apple is
not responsible for the operation of this device or its compliance with safety and regulatory standards. Please note that
the use of this accessory with iPod or iPhone may affect wireless performance.
• All other trademarks and registered trademarks are of their respective holders. In this manual, ™ and ® marks are not
specified.
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC
DISTORTION:
(USA model only)
With 4 ohm loads, both channels driven, from
120 – 10,000 Hz; rated 180 watts per channel
minimum RMS power, with no more than
0.7% total harmonic distortion from 250
milliwatts to rated output.
Ampli
fi
er section
The following are measured at
USA model:
AC 120 V, 60 Hz
Mexican model:
AC 120 V – 240 V, 60 Hz
Chilean and Bolivian models:
AC 220 V – 240 V, 50 Hz
Other models:
AC 120 V – 240 V, 50/60 Hz
MHC-GPX888
Front speaker
Power Output (rated):
350
W
+
350 W (at 4 ohms, 1 kHz,
1%
THD)
RMS output power (reference):
600 W + 600 W (per channel at
4
ohms,
1 kHz)
LBT-GPX555/MHC-GPX555
Front speaker
Power Output (rated):
350 W + 350 W (at 4 ohms, 1 kHz,
1%
THD)
RMS output power (reference):
600 W + 600 W (per channel at 4 ohms,
1
kHz)
Subwoofer
RMS output power (reference):
600 W (4 ohms, 100 Hz)
Inputs
AUDIO IN 1/PARTY CHAIN IN L/R
Voltage 2 V, impedance 47 kilohms
AUDIO IN 2 L/R
Voltage 2 V, impedance 47 kilohms
MIC (MHC-GPX888 only)
Sensitivity 1 mV, impedance
10
kilohms
(USB) A, (USB) B, port
Type
A
Outputs
AUDIO OUT/PARTY CHAIN OUT L/R
Voltage 2 V, impedance 1 kilohm
USB section
Supported bit rate
WMA:
48 kbps – 192 kbps, VBR, CBR
AAC:
48 kbps – 320 kbps, VBR, CBR
Sampling frequencies
WMA: 44.1 kHz
AAC:
44.1 kHz
Supported USB device
Mass Storage Class
Maximum current
500
mA
Disc/USB section
Supported bit rate
MPEG1
Layer-3:
32 kbps – 320 kbps, VBR
MPEG2
Layer-3:
8 kbps – 160 kbps, VBR
MPEG1
Layer-2:
32 kbps – 384 kbps, VBR
Sampling frequencies
MPEG1
Layer-3:
32 kHz/44.1 kHz/48 kHz
MPEG2
Layer-3:
16 kHz/22.05 kHz/24 kHz
MPEG1
Layer-2:
32 kHz/44.1 kHz/48 kHz
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
Tuner section
FM stereo, FM/AM superheterodyne tuner
Antenna:
FM lead antenna
AM loop antenna
FM tuner section
Tuning range
USA
model:
87.5 MHz – 108.0 MHz
(100 kHz step)
Other
models:
87.5 MHz – 108.0 MHz (50 kHz step)
AM tuner section
Tuning range
Pan American and Australian models:
531 kHz – 1,710 kHz (9 kHz step)
530 kHz – 1,710 kHz (10 kHz step)
Other
models:
531 kHz – 1,602 kHz (9 kHz step)
530 kHz – 1,610 kHz (10 kHz step)
Bluetooth
section
Communication system
Bluetooth
Standard version 3.1
Output
Bluetooth
Standard Power Class 2
Maximum communication range
Line of sight approx. 10 m
1)
Frequency band
2.4 GHz band (2.4000 GHz – 2.4835 GHz)
Modulation method
FHSS (Freq Hopping Spread Spectrum)
Compatible
Bluetooth
profiles
2)
A2DP (Advanced Audio Distribution
Profile)
AVRCP 1.3 (Audio Video Remote
Control
Profile)
SPP (Serial Port Profile)
Supported codecs
SBC (Sub Band Codec)
AAC (Advanced Audio Coding)
1)
The actual range will vary depending on
factors such as obstacles between devices,
magnetic fields around a microwave oven,
static electricity, reception sensitivity,
antenna’s performance, operating system,
software application, etc.
2)
Bluetooth
standard profiles indicate the
purpose of
Bluetooth
communication
between devices.
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