HCD-VZ50MD
E Model
Tourist Model
SERVICE MANUAL
MINI Hi-Fi COMPONENT SYSTEM
— Continued on next page —
SPECIFICATIONS
HCD-VZ50MD is the tuner, deck, CD, MD and
amplifier section in DHC-VZ50MD.
This stereo system is equipped with the Dolby B-type
noise reduction system*.
* Manufactured under license from Dolby
Laboratories Licensing Corporation.
DOLBY and the double-D symbol
;
are
trademarks of Dolby Laboratories Licensing
Corporation.
Model Name Using Similar Mechanism
NEW
CD Mechanism Type
CDM53F-K4BD37
Base Unit Type
BU-K4BD37
Optical Pick-up Type
KSM-213DHAP/Z-NP
Model Name Using Similar Mechanism
HCD-ZX50MD
MD Mechanism Type
MDM-7B
Optical Pick-up Type
KMS-260B/J1N
Model Name Using Similar Mechanism
HCD-ZX50MD
Tape Transport Mechanism Type
TCM-230AWR12
CD
SECTION
MD
SECTION
TAPE DECK
SECTION
Amplifier section
The following measured at 120/220/240 V AC, 50/60 Hz
DIN power output (rated) 115 + 115 watts
(6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference)
150 + 150 watts
(6 ohms at 1 kHz,
10 % THD)
Inputs
VIDEO (AUDIO) IN:
voltage 250 mV,
(phono jacks)
impedance 47 kilohms
MIC 1/2:
sensitivity 1 mV,
(mini jack)
impedance 10 kilohms
Outputs
VIDEO OUT:
max. output level
(phono jack)
1 Vp-p, unbalanced,
Sync negative, load impedance
75 ohms
S-VIDEO OUT:
Y: 1 Vp-p, unbalanced,
(4-pin/mini-DIN jack)
Sync negative,
C: 0.286 Vp-p,
load impedance 75 ohms
PHONES:
accepts headphones of
(stereo mini jack)
8 ohms or more
FRONT SPEAKER:
accepts impedance of 6 to 16 ohms
SUPER WOOFER:
Voltage 1 V, impedance 1 kilohms
VIDEO CD/CD player section
System
Compact disc and digital audio
system
Laser
Semiconductor laser
(
λ
=780 nm)
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.
Wavelength
780 – 790 nm
Frequency response
2 Hz – 20 kHz (
±
0.5 dB)
Signal-to-noise ratio
More than 90 dB
Dynamic range
More than 90 dB
Video color system format
NTSC, PAL
MD deck section
System
MiniDisc digital audio system
Laser
Semiconductor laser (
λ
=780 nm)
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 a
7 mm aperture.
Sampling frequency
44.1 kHz
Frequency response
20 – 20,000 Hz
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
Содержание HCD-VZ50MD
Страница 8: ...8 BD CD board BD CD BOARD To repair the BD CD board remove the bottom plate Bottom view ...
Страница 57: ...HCD VZ50MD 57 57 7 4 SCHEMATIC DIAGRAM DECK SECTION E Page 64 TO MAIN BOARD 16 ...
Страница 59: ...HCD VZ50MD 59 59 7 6 SCHEMATIC DIAGRAM CD SECTION See page 50 for Waveforms See page 90 for IC Block Diagrams ...
Страница 64: ...HCD VZ50MD 64 64 7 11 SCHEMATIC DIAGRAM MAIN 1 4 SECTION ...
Страница 65: ...HCD VZ50MD 65 65 7 12 SCHEMATIC DIAGRAM MAIN 2 4 SECTION See page 89 for IC Block Diagrams ...
Страница 67: ...HCD VZ50MD 67 67 7 14 SCHEMATIC DIAGRAM MAIN 4 4 SECTION See page 89 for IC Block Diagrams ...
Страница 71: ...HCD VZ50MD 71 71 7 18 SCHEMATIC DIAGRAM DIGITAL 2 2 SECTION See page 92 for IC Block Diagrams ...
Страница 73: ...HCD VZ50MD 73 73 7 20 SCHEMATIC DIAGRAM AMP SECTION ...
Страница 77: ...HCD VZ50MD 77 77 7 24 SCHEMATIC DIAGRAM SWITCH SECTION ...
Страница 83: ...HCD VZ50MD 83 83 7 32 SCHEMATIC DIAGRAM POWER SUPPLY SECTION ...