Sony HCD-HX50BTR - Service Manual

SERVICE MANUAL
Sony Corporation
Audio Business Group
Published by Sony Techno Create Corporation
HCD-HX50BTR/HX70BTR/
HX80R/HX90BTR
SPECIFICATIONS
COMPACT DISC RECEIVER
9-889-091-02
2008F05-1
©
2008.06
Canadian Model
E Model
HCD-HX50BTR
AEP Model
HCD-HX50BTR/HX70BTR
UK Model
HCD-HX80R/HX90BTR
Ver. 1.1 2008.06
Model Name Using Similar Mechanism NEW
CD Mechanism Deck BU-K6BD91UR2-WOD
Optical Pick-up Block Name KSM-213DCP
• HCD-HX50BTR is the amplifi er, bluetooth,
USB, CD player and tuner section in CMT-
HX50BTR.
• HCD-HX70BTR is the amplifi er, bluetooth,
USB, CD player and tuner section in CMT-
HX70BTR.
• HCD-HX80R is the amplifi er, USB, CD play-
er and tuner section in CMT-HX80R.
• HCD-HX90BTR is the amplifi er, bluetooth,
USB, CD player and tuner section in CMT-
HX90BTR.
Photo: HCD-HX50BTR
– Continued on next page –
• 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.
• “WALKMAN” and “WALKMAN” logo are registered trademarks of Sony Corporation.
• MPEG Layer-3 audio coding technology and patents licensed from Fraunhofer IIS and Thom-
son.
• Windows Media is a registered trademark of Microsoft Corporation in the United States and/or
other countries.
Amplifier section
HCD-HX80R/HX90BTR
DIN power output (rated):
40 + 40 watts (6 ohms at 1 kHz, DIN)
Continuous RMS power output
(reference): 50 + 50 watts (6 ohms at
1 kHz, 10% THD)
Music power output (reference):
50 + 50 watts (6 ohms at 1 kHz, 10%
THD)
HCD-HX70BTR
DIN power output (rated):
60 + 60 watts (4 ohms at 1 kHz, DIN)
Continuous RMS power output
(reference): 75 + 75 watts (4 ohms at
1 kHz, 10% THD)
Music power output (reference):
75 + 75 watts (4 ohms at 1 kHz, 10%
THD)
HCD-HX50BTR
European and Russian models:
DIN power output (rated):
40 + 40 watts (6 ohms at 1 kHz, DIN)
Continuous RMS power output
(reference): 50 + 50 watts (6 ohms at
1 kHz, 10% THD)
Music power output (reference):
50 + 50 watts (6 ohms at 1 kHz, 10%
THD)
Other models:
DIN power output (rated):
40 + 40 watts (6 ohms at 1 kHz, DIN)
Continuous RMS power output
(reference): 50 + 50 watts (6 ohms at
1 kHz, 10% THD)
Inputs:
AUDIO IN (stereo mini jack):
voltage 250 mV, impedance
22 kilohms
(USB) port: Type A, maximum
current 500 mA
Outputs:
PHONES (stereo mini jack): accepts
headphones of 8 ohms or more
SPEAKER: accepts impedance of
4 ohms (CMT-HX70BTR) or 6 ohms
(CMT-HX50BTR)
Bluetooth section
(HCD-HX50BTR/HX70BTR/HX90BTR)
Communication system:
Bluetooth Standard version 2.0
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
Compatible Bluetooth proles
2)
:
A2DP (Advanced Audio Distribution
Prole)
AVRCP (Audio Video Remote
Control Prole)
Supported codecs:
Receive: SBC (Sub Band Codec), MP3
Transmit: SBC (Sub Band Codec)
Tuner section
DAB tuner section
(HCD-HX80R/HX90BTR) :
Frequency range*
Band-III: 174.928 (5A) – 239.200
(13F) MHz
* For details, see “DAB frequency table”.
Antenna: FM/DAB lead antenna
Antenna terminal: 75 ohms, F female
FM stereo, FM/AM superheterodyne tuner
FM tuner section:
Tuning range
Canadian and Brazilian models:
87.5 – 108.0 MHz (100 kHz step)
Other models: 87.5 – 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
European and Russian models:
531 – 1,602 kHz (with 9 kHz tuning
interval)
Canadian and Latin American
models:
530 – 1,710 kHz (with 10 kHz tuning
interval)
531 – 1,710 kHz (with 9 kHz tuning
interval)
Other models:
531 – 1,602 kHz (with 9 kHz tuning
interval)
530 – 1,610 kHz (with 10 kHz tuning
interval)
Antenna: AM loop antenna, external
antenna terminal
Intermediate frequency: 450 kHz
1)
e actual range will vary depending on
factors such as obstacles between devices,
magnetic elds around a microwave oven,
static electricity, reception sensitivity,
antenna’s performance, operating system,
soware application, etc.
2)
Bluetooth standard proles indicate the
purpose of Bluetooth communication
between devices.
USB section
Supported bit rate
MP3 (MPEG 1 Audio Layer-3):
32 – 320 kbps, VBR
WMA: 32 – 192 kbps, VBR
AAC: 48 – 320 kbps
Sampling frequencies
MP3 (MPEG 1 Audio Layer-3):
32/44.1/48 kHz
WMA: 44.1 kHz
AAC: 44.1 kHz
CD player section
System: Compact disc and digital audio
system
Laser Diode Properties
Emission duration: Continuous
Laser Output*: Less than 44.6μW
* is 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
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TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

Summary

Specifications

Servicing Notes

Handling Optical Pick-up Block

Notes on electrostatic discharge protection and careful handling of the optical pick-up block.

Laser Diode Emission Check

Precautions for checking laser diode emission, emphasizing safe observation distance.

Disassembly Procedures

Panel (Top) Block Disassembly

Detailed steps and parts for removing the top panel.

Panel (Front) Block Disassembly

Detailed steps and parts for removing the front panel.

Main Board Disassembly

Steps and parts list for accessing and removing the main board.

Loading Mechanism Block Disassembly

Procedure for disassembling the CD loading mechanism.

Base Unit Disassembly

Steps for removing the base unit assembly (BU-K6BD91UR2-WOD).

Optical Pick-up Block Replacement

Procedure for replacing the optical pick-up block (KSM-213D).

Test Modes

Electrical Checks

Tuner Section FM Tune Level Check

Procedure to check FM tuning level with a signal generator.

CD Section Focus Bias Check

Procedure to check the focus bias waveform for CD playback.

Diagrams

Block Diagrams

Overview of system functions via block diagrams for CD servo, tuner, USB, BT, main, AMP, panel/power supply.

CD Section Diagrams

Printed wiring boards and schematic diagrams for the CD section.

TUNER;USB;BLUETOOTH Section Diagrams

Printed wiring boards and schematic diagrams for tuner, USB, and Bluetooth.

DAB Section Diagrams

Printed wiring boards and schematic diagrams specific to the DAB tuner.

MAIN Section Diagrams

Printed wiring boards and schematic diagrams for the main unit section.

AMP Section Diagrams

INPUT;OUTPUT Section Diagrams

PANEL Section Diagrams

SW POWER Section Diagrams

Sony HCD-HX50BTR Specifications

General

Brand	Sony
Model	HCD-HX50BTR
Category	Car Receiver
Power Output	50W x 4
Bluetooth	Yes
USB Port	Yes
AUX Input	Yes
Display	LCD
Radio Tuner	Yes
Tuner Bands	FM/AM
Detachable Faceplate	No
Smartphone Integration	Yes
Equalizer	Yes
Subwoofer Output	Yes
CD Player	Yes
Remote Control	Yes
Compatible Formats	MP3, WMA