Sony HCD-BX50BTi Service Manual

HCD-BX20i/BX50BTi
SERVICE MANUAL
Ver. 1.1 2008.03
• HCD-BX20i is the amplifi er, CD player, tuner and
iPod section in CMT-BX20i.
• HCD-BX50BTi is the amplifi er, bluetooth, CD player,
tuner and iPod section in CMT-BX50BTi.
• The Bluetooth word mark and logos are owned by the 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.
• MPEG Layer-3 audio coding technology and patents licensed from
Fraunhofer IIS and Thomson.
• iPod is a trademark of Apple Inc., registered in the U.S. and other countries.
Mainunit
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC DISTORTION:
(The United States model only)
With 6 ohm loads, both channels driven, from 120 – 10,000Hz; rated 25 watts
per channel minimum RMS power, with no more than 10% total harmonic
distortion from 250 milliwatts to rated output.
Amplifier section (BX20i)
DIN power output (rated):
18 + 18 W (6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference): 25 + 25 W (6 ohms at 1 kHz,
10% THD)
Inputs
AUDIO IN (stereo mini jack): voltage 250 mV, impedance 47 kilohms
Outputs
PHONES (stereo mini jack): accepts headphones of 8 ohms or more
SPEAKER: accepts impedance of 6 to 16 ohms
Amplifier section (BX50BTi)
Continuous RMS power output (reference): 25 + 25 watts (6 ohms at
1 kHz, 10% THD)
Inputs
AUDIO IN (stereo mini jack): voltage250mV, impedance 47 kilohms
Outputs
PHONES (stereo mini jack): accepts headphones of 8 ohms or more
SPEAKER: accepts impedance of 6 ohms
Sony Corporation
9-889-020-02
2008C05-1 Audio Business Group
©
2008.03 Published by Sony Techno Create Corporation
Photo: HCD-BX20i
Model Name Using Similar Mechanism
Base Unit Name
Optical Pick-up Block Name

SPECIFICATIONS

Bluetooth section (BX50BTi)
Communication system: Bluetooth Standard version 2.0
Output: Bluetooth Standard Power Class 2
Maximum communication range: Line of sight approx. 10 m
Frequency band: 2.4 GHz band (2.4000 GHz – 2.4835GHz)
Modulation method: FHSS
Compatible Bluetooth profiles
A2DP (Advanced Audio Distribution Profile)
AVRCP (Audio Video Remote Control Profile)
Supported codecs:
Receive: SBC (Sub Band Codec), MP3
Transmit: SBC (Sub Band Codec)
The actual range will vary depending on factors such as obstacles
1)
between devices, magnetic filds 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.
CD player section
System: Compact disc and digital audio system
Laser Diode Properties
Emission Duration: Continuous
Laser Output*: Less than 44.6μW
* This output is the value measurement at a distance of 200mm from the
objective lens surface on the Optical Pick-up Block with 7mm aperture.
Frequency response: 20 Hz – 20 kHz
Signal-to-noise ratio: More than 90 dB
Dynamic range: More than 90 dB
COMPACT DISC RECEIVER
US Model
Canadian Model
HCD-BX20i/BX50BTi
Australian Model
Singapore Model
HCD-BX20i
HCD-BX5BT/EC68
BU-K6BD90-WOD
KSM-213DCP
1)
2) :
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