1
HCD-BX9/DX9
SERVICE MANUAL
HCD-BX9/DX9 is the tuner, deck, CD and
amplifier section in MHC-BX9/DX9.
SPECIFICATIONS
COMPACT DISC DECK RECEIVER
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Model Name Using Similar Mechanism
HCD-BX7/DX7/DX7J
CD Mechanism Type
CDM58-K2BD38
Base Unit Type
BU-K2BD38
Optical Pick-up Type
KSM-213DAP/ZNP
Model Name Using Similar Mechanism
HCD-BX7/DX7/DX7J
Tape Transport Mechanism Type
TCM-230MWR11
CD
SECTION
TAPE DECK
SECTION
Photo: HCD-DX9
AEP Model
UK Model
HCD-BX9
E Model
Australian Model
HCD-DX9
Amplifier section
European model:
DIN power output (rated)
130 + 130 W
(6
Ω
at 1 kHz, DIN)
Continuous RMS power output (reference)
170 + 170 W
(6
Ω
at 1 kHz, 10% THD)
Other models:
The following measured at AC 120, 220, 240 V
50/60 Hz
DIN power output (rated)
220 + 220 W
(4
Ω
at 1 kHz, DIN)
Continuous RMS power output (reference)
300 + 300 W
(4
Ω
at 1 kHz, 10% THD)
Inputs
MD/VIDEO (AUDIO) IN:
(phone jacks)
voltage 450 mV/250 mV,
impedance 47 k
Ω
MIC:
(phone jack)
sensitivity 1 mV,
impedance 10 k
Ω
Outputs
PHONES:
(stereo mini jack)
accepts headphones of 8
Ω
or more
FRONT SPEAKER:
HCD-BX9:
accepts impedance of 6 to 16
Ω
HCD-DX9:
accepts impedance of 4 to 16
Ω
CD player section
System
Compact disc and digital audio system
Laser
Semiconductor laser (
λ
=780 nm)
Emission duration: continuous
Laser output
Max. 44.6 µW*
*This output is the value measured at a
distance of 200 mm from the objective
lens surface on the Optical Pick-up Block
with 7 mm aperture.
Frequency response
2 Hz – 20 kHz (±0.5 dB)
Wavelength
780 – 790 nm
Signal-to-noise ratio
More than 90 dB
Dynamic range
More than 90 dB
CD OPTICAL DIGITAL OUT
(Square optical connector jack, rear panel)
Wavelength
660 nm
Output Level
–18 dBm
Tape player section
Recording system
4-track 2-channel stereo
Frequency response (DOLBY NR OFF)
40 – 13,000 Hz (±3 dB),
using Sony TYPE I cassette
Tuner section
FM stereo, FM/AM superheterodyne tuner
FM tuner section
Tuning range
87.5 – 108.0 MHz
Antenna
FM lead antenna
Antenna terminals
75
Ω
, unbalanced
Intermediate frequency
10.7 MHz
AM tuner section
Tuning range
BX9, Saudi Arabia models:
531 – 1,602 kHz
(with the interval set at 9 kHz)
Other models:
531 – 1,602 kHz
(with the interval set at 9 kHz)
530 – 1,710 kHz
(with the interval set at 10 kHz)
Antenna
AM Loop antenna
Antenna terminals
External antenna terminal
Intermediate frequency
450 kHz
9-929-239-14
2002H0200-1
© 2002.08
Ver 1.3 2002.08
Sony Corporation
Home Audio Company
Published by Sony Engineering Corporaton
