Sony WX-C55 Service Manual

SERVICE MANUAL
Dolby noise reduction manufactured under license from Dolby Labo-
ratories Licensing Corporation.
"DOLBY" and the double-D symbol a are trademarks of Dolby
Laboratories Licensing Corporation.
AUDIO POWER SPECIFICATIONS (US Model)
POWER OUTPUT AND TOTAL HARMONIC DISTORTION
13 watts per channel minimum continuous average power into
4 ohms, 4 channels driven from 20 Hz to 20 kHz with no more
than 1% total harmonic distortion.
Other Specifications
CD player section
Signal-to-noise ratio 94 dB
Frequency response 5 – 20,000 Hz
Wow and flutter Below measurable limit
Laser Diode Properties
Material GaAlAs
Wavelength 780 nm
Emission Duration Continuous
Laser output power Less than 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.
Cassette player section
Tape track 4-track 2-channel stereo
Wow and flutter 0.08 % (WRMS)
Frequency response 30 – 20,000 Hz
Signal-to-noise ratio
Cassette type Dolby B NR
TYPE II, IV 67 dB
TYPE I 64 dB
MICROFILM
SPECIFICATIONS
Dolby NR off
58 dB
55 dB
CHANGER CONTROL AUDIO MASTER
WX-C55
Model Name Using Similar Mechanism
CD
CD Drive Mechanism Type
Section
Optical Pick-up Name
Model Name Using Similar Mechanism
TC
Section
Tape Transport Mechanism Type
Tuner section
FM
Tuning range US model:
87.5 – 107.9 MHz
E model:
FM tuning interval:
50 kHz/200 kHz switchable
87.5 – 108.0 MHz
(at 50 kHz step)
87.5 – 107.9 MHz
(at 200 kHz step)
Antenna terminal External antenna connector
Intermediate frequency 10.7 MHz
Usable sensitivity 9 dBf
Selectivity 75 dB at 400 kHz
Signal-to-noise ratio 65 dB (stereo),
68 dB (mono)
Harmonic distortion at 1 kHz
0.7% (stereo),
0.4% (mono)
Separation 35 dB at 1 kHz
Frequency response 30 – 15,000 Hz
US Model
E Model
NEW
MG-378X-121
KSS-521A
XR-C8820
MG-25E-136
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