SERVICE MANUAL
Sony Corporation
Published by Sony Techno Create Corporation
HCD-BX77DBi
SPECIFICATIONS
COMPACT DISC RECEIVER
9-889-832-03
2011E05-1
©
2011.05
AEP Model
UK Model
Ver. 1.2 2011.05
• HCD-BX77DBi is the amplifier, CD player, tuner
and iPod section in CMT-BX77DBi.
Model Name Using Similar Mechanism HCD-BX70DBi
Base Unit Name
BU-K6BD90-WOD
Optical Pick-up Name KSM-213DCP
iPod is a trademark of Apple Inc., registered in the U.S.
and other countries.
MPEG Layer-3 audio coding technology and patents
licensed from Fraunhofer IIS and omson.
All other trademarks and registered trademarks are of
their respective holders. In this manual,
TM
and ® marks
are not specied.
Amplier section
DIN power output (rated):
18 watts + 18 watts (6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference): 25 watts + 25 watts (6 ohms at
1 kHz, 10% THD)
Music power output (reference): 38 watts + 38 watts (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
CD player section
System: Compact disc and digital audio system
Laser Diode Properties
Emission Duration: Continuous
Laser Output*: Less than 44.6 μW
* is 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 90 dB
Tuner section
DAB tuner section:
Frequency range*
Band-III: 174.928 (5A) MHz
239.200 (13F) MHz
* For details, see “DAB frequency table” below.
Antenna: FM/DAB lead antenna
Antenna terminal: 75 ohms, F female
FM stereo, FM/AM superheterodyne tuner
FM tuner section:
Tuning range: 87.5 MHz 108.0 MHz (50 kHz step)
Antenna: FM/DAB lead antenna
Antenna terminals: 75 ohms unbalanced
Intermediate frequency: 10.7 MHz
AM tuner section:
Tuning range: 531 kHz
1,602 kHz (9 kHz step)
Antenna: AM loop antenna, external antenna terminal
Intermediate frequency: 450 kHz
DAB frequency table (Band-III)
Frequency Label Frequency Label
174.928 MHz 5A 209.936 MHz 10A
176.640 MHz 5B 211.648 MHz 10B
178.352 MHz 5C 213.360 MHz 10C
180.064 MHz 5D 215.072 MHz 10D
181.936 MHz 6A 216.928 MHz 11A
183.648 MHz 6B 218.640 MHz 11B
185.360 MHz 6C 220.352 MHz 11C
187.072 MHz 6D 222.064 MHz 11D
188.928 MHz 7A 223.936 MHz 12A
190.640 MHz 7B 225.648 MHz 12B
192.352 MHz 7C 227.360 MHz 12C
194.064 MHz 7D 229.072 MHz 12D
195.936 MHz 8A 230.784 MHz 13A
197.648 MHz 8B 232.496 MHz 13B
199.360 MHz 8C 234.208 MHz 13C
201.072 MHz 8D 235.776 MHz 13D
202.928 MHz 9A 237.488 MHz 13E
204.640 MHz 9B 239.200 MHz 13F
206.352 MHz 9C
208.064 MHz 9D
– Continued on next page –
Note: Refer to supplement-1 for SPECIFICATIONS of the following serial No. or larger.
AEP model : Serial No. 5100859 or larger
UK model : Serial No. 6123118 or larger
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