File name sony_HCD-VZ50MD_service_manual.pdfHCD-VZ50MD
SERVICE MANUAL
E Model Tourist Model
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 CD SECTION CD Mechanism Type Base Unit Type Optical Pick-up Type Model Name Using Similar Mechanism MD SECTION TAPE DECK SECTION MD Mechanism Type Optical Pick-up Type Model Name Using Similar Mechanism Tape Transport Mechanism Type
NEW CDM53F-K4BD37 BU-K4BD37 KSM-213DHAP/Z-NP HCD-ZX50MD MDM-7B KMS-260B/J1N HCD-ZX50MD TCM-230AWR12
SPECIFICATIONS
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: (phono jacks) MIC 1/2: (mini jack) Outputs VIDEO OUT: (phono jack)
VIDEO CD/CD player section
System Laser Compact disc and digital audio system Semiconductor laser (=780 nm) Emission duration: continuous 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. 780 790 nm 2 Hz 20 kHz (±0.5 dB) More than 90 dB More than 90 dB NTSC, PAL
MD deck section
System Laser Laser output MiniDisc digital audio system Semiconductor laser (=780 nm) Emission duration: continuous 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 a 7 mm aperture. 44.1 kHz 20 20,000 Hz
Laser output
voltage 250 mV, impedance 47 kilohms sensitivity 1 mV, impedance 10 kilohms
Sampling frequency Frequency response
Wavelength Frequency response Signal-to-noise ratio Dynamic range Video color system format
Tape player section
Recording system Frequency response (DOLBY NR OFF) 4-track 2-channel stereo 40 13,000 Hz (±3 dB), using Sony TYPE I cassette 40 14,000 Hz (±3 dB), using Sony TYPE II cassette
S-VIDEO OUT: (4-pin/mini-DIN jack)
PHONES: (stereo mini jack) FRONT SPEAKER: SUPER WOOFER:
max. output level 1 Vp-p, unbalanced, Sync negative, load impedance 75 ohms Y: 1 Vp-p, unbalanced, Sync negative, C: 0.286 Vp-p, load impedance 75 ohms accepts headphones of 8 ohms or more accepts impedance of 6 to 16 ohms Voltage 1 V, impedance 1 kilohms
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MINI Hi-Fi COMPONENT SYSTEM
Tuner section
FM stereo, FM/AM superheterodyne tuner
General
Power requirements 120 V, 220 V, 230 240 V AC, 50/60 Hz Adjustable with voltage selector 180 watts Approx. 250 x 375 x 395 mm Approx. 12.0 kg AM loop antenna (1) FM lead antenna (1) Remote Commander (1) Batteries (2) Video cable (1) Speaker cords (2) Front speaker pads (8)
FM tuner section
Tuning range Tourist model: Other models: Antenna Antenna |