SERVICE MANUAL
COMPACT DISC DECK RECEIVER
E Model
SPECIFICATIONS
HCD-DX90
Ver 1.0 2001.04
9-873-882-11 Sony Corporation
2001D0500-1 Home Audio Company
C 2001.4 Shinagawa Tec Service Manual Production Group
HCD-DX90 is the tuner, deck, CD and
amplifier section in MHC-DX90.
Model Name Using Similar Mechanism HCD-BX9/DX9
CD Mechanism Type CDM58-K2BD38
Base Unit Type BU-K2BD38
Optical Pick-up Type KSM-213DAP
Model Name Using Similar Mechanism NEW
Tape Transport Mechanism Type TCM-230AWP11
CD
SECTION
TAPE DECK
SECTION
Inputs
MD/VIDEO (AUDIO) IN: voltage 450 mV/250 mV,
(phono jacks) impedance 47 kilohms
MIC: sensitivity 1 mV,
(phone jack) impedance 10 kilohms
Outputs
PHONES: accepts headphones of 8
(stereo mini jack) ohms or more
FRONT SPEAKER: accepts impedance of 4 to
16 ohms
CD player section
System Compact disc and digital
audio system
Laser Semiconductor laser
(λ=780nm)
Emission duration:
continuous
Laser output Max. 44.6
µ
W*
*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 40 – 13,000 Hz (±3 dB),
(DOLBY NR OFF) using Sony TYPE I
cassette
40 – 14,000 Hz (±3 dB),
using Sony TYPE II
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 ohm unbalanced
Intermediate frequency 10.7 MHz
AM tuner section
Tuning range 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
Amplifier section
The following measured at AC 120, 220, 240V
50/60 Hz
DIN power output (rated) 220 + 220 watts
(4 ohms at 1 kHz, DIN)
Continuous RMS power output (reference)
300 + 300 watts
(4 ohms at 1 kHz,
10% THD)
General
Power requirements 120 V, 220 V or 230 - 240
V AC, 50/60 Hz
Adjustable with voltage
selector
Power consumption 300 watts
Dimensions (w/h/d) Approx. 280 x 360 x 425
mm (11
x 14
3
/
16
x 16
11
/
16
in.)
Mass : Approx. 11 kg
(24 lb. 5 oz)
Supplied accessories: AM loop antenna (1)
Remote commander (1)
Batteries (2)
FM lead antenna (1)
Front speaker pads (8)
Design and specifications are subject to change
without notice.