Sony HCD-BX77DBi Service Manual

SERVICE MANUAL
Ver. 1.2 2011.05
• HCD-BX77DBi is the amplifier, CD player, tuner
and iPod section in CMT-BX77DBi.

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 Thomson.
 All other trademarks and registered trademarks are of
their respective holders. In this manual,
are not specified.
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
Amplifier 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
* 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
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
* 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
Antenna: FM/DAB lead antenna
Antenna terminals: 75 ohms unbalanced
Intermediate frequency: 10.7 MHz
AM tuner section:
Tuning range: 531 kHz
Antenna: AM loop antenna, external antenna terminal
Intermediate frequency: 450 kHz
9-889-832-03
Sony Corporation
2011E05-1
©
2011.05 Published by Sony Techno Create Corporation
HCD-BX77DBi
TM and ® marks
SPECIFICATIONS
20 kHz
239.200 (13F) MHz
108.0 MHz (50 kHz step)
1,602 kHz (9 kHz step)
Model Name Using Similar Mechanism
Base Unit Name
Optical Pick-up Name
DAB frequency table (Band-III)
Frequency Label Frequency
174.928 MHz 5A 209.936 MHz
176.640 MHz 5B 211.648 MHz
178.352 MHz 5C 213.360 MHz
180.064 MHz 5D 215.072 MHz
181.936 MHz 6A 216.928 MHz
183.648 MHz 6B 218.640 MHz
185.360 MHz 6C 220.352 MHz
187.072 MHz 6D 222.064 MHz
188.928 MHz 7A 223.936 MHz
190.640 MHz 7B 225.648 MHz
192.352 MHz 7C 227.360 MHz
194.064 MHz 7D 229.072 MHz
195.936 MHz 8A 230.784 MHz
197.648 MHz 8B 232.496 MHz
199.360 MHz 8C 234.208 MHz
201.072 MHz 8D 235.776 MHz
202.928 MHz 9A 237.488 MHz
204.640 MHz 9B 239.200 MHz
206.352 MHz 9C
208.064 MHz 9D
COMPACT DISC RECEIVER
AEP Model
UK Model
HCD-BX70DBi
BU-K6BD90-WOD
KSM-213DCP
Label
10A
10B
10C
10D
11A
11B
11C
11D
12A
12B
12C
12D
13A
13B
13C
13D
13E
13F
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