Sony HCD-VX3A Service Manual

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SERVICE MANUAL
HCD-VX3A is the Amplifier, CD player,
Tape Deck and Tuner section in MHC-VX3.
Manufactured under license from Dolby Laboratories
Licensing Corporation.
"DOLBY" and the double-D symbol a are trademarks
of Dolby Laboratories Licensing Corporation.
TE
L 13942296513
Amplifier section
The following measured at AC 110, 220 V 50/60 Hz
DIN power output (rated)
Continuous RMS power output (reference)
The following measured at AC 120, 240 V 50/60 Hz
DIN power output (rated)
Continuous RMS power output (reference)
Inputs
MD/VIDEO (AUDIO) IN: voltage 450 mV/250 mV,
(phono jacks)
MIX MIC:
(phono jack)
Outputs
MD/VIDEO (AUDIO) OUT:
(phono jacks)
PHONES:
(stereo mini jack)
SPEAKER:
SUPER WOOFER:
VIDEO CD/CD player section
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System
Laser
.
MICROFILM
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60+60 W
(6 Ω at 1 kHz, DIN)
80+80 W
(6 Ω at 1 kHz, 10 % THD)
70 + 70 W
(6 Ω at 1 kHz, DIN)
100+100 W
(6 Ω at 1 kHz, 10 % THD)
impedance 47 kΩ
sensitivity 1 mV,
impedance 10 kΩ
voltage 250 mV
impedance 1 kΩ
accepts headphones of 8 Ω or more
accepts impedance of 6 to 16 Ω
voltage 1 V, impedance 1 kΩ
Compact disc, digital audio and
video system
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Semiconductor laser
(λ=780nm)
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Emission duration: continuous
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HCD-VX3A
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Model Name Using Similar Mechanism HCD-VX5A/VX5AJ/VX7A
CD CD Mechanism Type
Section Base Unit Name
Optical Pick-up Name
Tape deck Model Name Using Similar Mechanism HCD-GRX30
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Section Tape Transport Mechanism Type
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SPECIFICATIONS
Laser output
Frequency response
Wavelength
Signal-to-noise ratio
Dynamic range
Video color system format NTSC, PAL
CD OPTICAL DIGITAL OUT
(Square optical connector jack, rear panel)
Wavelength
Output Level
Tape player section
Recording system
Frequency response
(DOLBY NR OFF)
Wow and flutter
MINI Hi-Fi COMPONENT SYSTEM
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E Model
Tourist Model
CDM38L-5BD34L
BU-5BD34L
KSS-213D/Q-RP
TCM-230AWR2/230PWR2
0 5 8 2 9 9 4 2 8
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.
2 Hz-20 kHz (±0.5 dB)
780-790 nm
More than 90 dB
More than 90 dB
660 nm
-18 dBm
4-track 2-channel stereo
40-13,000 Hz (±3 dB),
using Sony TYPE I casette
40-14,000 Hz (±3 dB),
using Sony TYPE II casette
±0.15 % W.Peak (IEC)
0.1 % W.RMS (NAB)
±0.2 % W.Peak (DIN)
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