Sony HCD-W55 Service Manual

SERVICE MANUAL
HCD-W55 is the deck, CD section
r
in MHC-W55/W77AV.
Dolby noise reduction manufactured under license from
Dolby Laboratories Licensing Corporation.
"DOLBY" and the double-D symbol a are trademarks of
Dolby Laboratories Licensing Corporation.
CD player section
System Compact disc digital
audio system
Laser Semiconductor laser
(λ =780nm)
Emission
duration : continuous
Laser output
Max 44.6µW*
*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
2Hz–20kHz (±0.5 dB)
Signal-to-noise ratio
More than 80 dB
Dynamic range
More than 90 dB
CD OPTICAL DIGITAL OUT
(Square optical connector jack, rear panel)
Wavelength
Output Level
MICROFILM
CD
Section
Tape deck
Section
SPECIFICATIONS
Tape player section
Recording system
Frequency response
Wow and flutter
Design and specifications are subject to change without notice.
600 nm
–18 dBm
HCD-W55
Model Name Using Similar Mechanism
CD Mechanism Type
Base Unit Name
Model Name Using Similar Mechanism
Tape Transport Mechanism Type
4-track 2-channel stereo
(DOLBY NR OFF)
40–13,000 Hz (±3 dB),
using Sony TYPE I cassette
40–14,000 Hz (±3 dB),
using Sony TYPE II cassette
40–15,000 Hz (±3 dB),
using Sony TYPE IV cassette
0.1% WRMS ±0.3% (DIN)
MINI Hi-Fi COMPONENT SYSTEM
AEP Model
UK Model
NEW
CDM38-5BD19
BU-5BD19
HCD-H901AV
TCM-220WR2