Sony HCD-MD595 Service Manual

SERVICE MANUAL
Ver. 1.1 2005.03
HCD-MD595 is the Amplifier, CD player, MD
Deck and Tuner section in DHC-MD595.
US and foreign patents licensed from Dolby
Laboratories.
Amplifier section
For the U.S. and Canadian models
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL
HARMONIC DISTORTION:
With 6 ohm loads, both channels driven, from
120 – 10,000 Hz; rated 20 watts per channel minimum RMS
power, with no more than 0.9% total harmonic distortion from
250 milliwatts to rated output.
Continuous RMS power output:
25 + 25 watts (6 ohms at 1 kHz,
10% THD, 120 V) (Reference)
European model:
DIN power output (Rated):25 + 25 watts (6 ohms at 1 kHz,
DIN, 230 V)
Continuous RMS power output (Reference):
30 + 30 watts (6 ohms at 1 kHz,
10% THD, 230 V)
Music power output (Reference):
50 + 50 watts
Other models:
DIN power output (Rated):20 + 20 watts (6 ohms at 1 kHz,
DIN, 240 V)
18 + 18 watts (6 ohms at 1 kHz,
DIN, 220 V)
Continuous RMS power output (Reference):
25 + 25 watts (6 ohms at 1 kHz,
10% THD, 240 V)
23 + 23 watts (6 ohms at 1 kHz,
10% THD, 220 V)
Peak Music Power Output: 400 watts
Sony Corporation
9-929-258-12
Audio Group
2005C05-1
Published by Sony Engineering Corporation
© 2005.03
HCD-MD595
Model Name Using Similar Mechanism
CD
CD Mechanism Type
Section
Base Unit Name
Optical Pick-up Name
Model Name Using Similar Mechanism
MD
MD Mechanism Type
Section
Optical Pick-up Name
SPECIFICATIONS
Inputs
TAPE IN (phono jacks): voltage 250 mV, impedance
47 kilohms
DIGITAL OPTICAL IN (Supported sampling frequencies:
32 kHz, 44.1 kHz and 48 kHz)
ANALOG IN (stereo minijack):
voltage 250 mV, impedance
47 kilohms
Outputs
TAPE OUT (phono jacks): voltage 250 mV, impedance
1 kilohm
PHONES (stereo minijack):
accepts headphones of 8 ohms or
more.
SPEAKER: accepts impedance of 6 to 16
ohms.
CD player section
System Compact disc and digital audio
system
Laser Semiconductor laser (λ=800 nm)
Emission duration: continuous
Max. 44.6 µW*
Laser output
* 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.
Frequency response 2 Hz – 20 kHz
COMPACT DISC DECK RECEIVER
US Model
Canadian Model
AEP Model
UK Model
E Model
Australian Model
Chinese Model
Tourist Model
NEW
CDM55A-21BD53
BU-21BD53
OP Assy (A-MAX. 2)
NEW
MDM-7X2A
KMS-262A/J1N
MD deck section
System MiniDisc digital audio system
Laser Semiconductor laser (λ=780 nm)
Emission duration: continuous
Max. 44.6 µW*
Laser output
* 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 5 Hz – 20 kHz
Tuner section
FM stereo, FM/AM superheterodyne tuner
FM tuner section
Tuning range
Tourist model: 76.0 – 108.0 MHz
(50 kHz step)
European model: 87.5 – 108.0 MHz
(50 kHz step)
Other models: 87.5 – 108.0 MHz
(100 kHz step)
Antenna FM lead antenna
Antenna terminals 75 ohms unbalanced
Intermediate frequency 10.7 MHz
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