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HCD-VX99
SERVICE MANUAL
HCD-VX99 is the tuner, deck, CD and amplifier
section in MHC-VX99.
SPECIFICATIONS
COMPACT DISC DECK RECEIVER
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Model Name Using Similar Mechanism
HCD-VX77/VX77J
CD Mechanism Type
CDM58-K2BD37A
Base Unit Type
BU-K2BD37A
Optical Pick-up Type
KSM-213DAP/Z-NP
Model Name Using Similar Mechanism
HCD-VX77/VX77J
Tape Transport Mechanism Type
TCM-230PWR11
CD
SECTION
TAPE DECK
SECTION
E Model
Amplifier section
The following measured at AC 120, 220, 240V
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: voltage 450 mV/250 mV,
(phono jacks)
impedance 47 k
Ω
MIC:
sensitivity 1 mV,
Ω
unbalanced, Sync
negative, load impedance
75
Sync negative
C: 0.286 Vp-p
load impedence 75
Ω
VIDEO CD/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
Video color system format
NTSC, PAL
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
Middle East model:
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
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