Sony HCD-ZX50MD, Service Manual

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1
HCD-ZX50MD
HCD-ZX50MD is the tuner, deck, CD, MD and
amplifier section in DHC-ZX50MD.
SPECIFICATIONS
MINI Hi-Fi COMPONENT SYSTEM
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Model Name Using Similar Mechanism NEW
CD Mechanism Type CDM53F-K4BD40
Base Unit Type BU-K4BD40
Optical Pick-up Type KSM-213DHAP/Z-NP
Model Name Using Similar Mechanism MDS-JE640
MD Mechanism Type MDM-7B
Optical Pick-up Type KMS-260B/J1N
Model Name Using Similar Mechanism HCD-ZX10
Tape Transport Mechanism Type TCM-230AWR12
CD
SECTION
MD
SECTION
US Model
AEP Model
UK Model
E Model
Australian Model
TAPE DECK
SECTION
Amplifier section
AUDIO POWER SPECIFICATIONS:
(US model only)
POWER OUTPUT AND TOTAL HARMONIC
DISTORTION:
with 8 ohm loads both channels driven, from 120–
10,000 Hz; rates 80 watts per channel minimum
RMS power, with no more than 10 % total
harmonic distortion from
250 milliwatts to rated output.
Total harmonics distortion Less than 0.07 %
(8 ohms at 1 kHz, 50 W)
European model:
DIN power output (rated) 60 + 60 watts
(8 ohms at 1 kHz, DIN)
Continuous RMS power output (reference)
80 + 80 watts
(8 ohms at 1 kHz,
10 % THD)
Music power output (reference)
140 + 140 watts
(8 ohms at 1 kHz,
10 % THD)
Other models:
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: sensitivity 1 mV,
(mini jack) impedance 10 kilohms
(Asian model only)
Outputs
PHONES:
accepts headphones of
(stereo mini jack) 8 ohms or more
FRONT SPEAKER:
US and European models: accepts impedance of 8 to 16 ohms
Other models:
accepts impedance of 6 to 16 ohms
SUPER WOOFER: Voltage 1 V, impedance 1 kilohms
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.
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
SERVICE MANUAL
Ver 1.2 2001.12
9-929-512-13
2001L0200-1
© 2001.12
Sony Corporation
Home Audio Company
Published by Sony Engineering Corporation