Sony MDS-102/MD1 Service Manual

~ MDS-102/MD1
SERVICE MANUAL
¢MDS-MD71 is mini disc
recorder in DHC-MD1.
U.S. and foreign patents licensed from
Dolby Laboratories Licensing Corporation.
Photo: MDS-102
AEP Model
| UK Model
Singapore Model
Mexican Model
Tourist Model
MDS-102
Canadian Model
AEP Model
Singapore Model
MDS-MD1
Model Name Using Similar Mechanism | MDS-101
Mechanism Type MDM-1C
Base Unit Type MBU-1
Optical Pickup Block Type KMS-140B
SPECIFICATIONS
MD recorder section (MDS-102)
System MiniDisc digital audio system
Disc MiniDisc
Laser: Semiconductor laser
Wavelength: 780 - 790nm
Laser diode properties Material: GaAJAs
Emission duration: continuous
Laser output: less than 44.6 1W
(This output is the value measured
at a distance of 200 mm from the
lens surface on the optical pick-up
block.)
Revolutions 400 rpm to 900 rpm (CLV)
Error correction Advanced Cross Interleave Reed
Solomon Code (ACIRC)
Sampling frequency 44.1 kHz
Modulation system EFM (Eight-to-Fourteen
Modulation)
Number of channels 2 stereo channels
Frequency response 5 to 20,000 Hz + 0.5 dB
Wow and flutter Below measurable limit
MICROFILM
Inputs
Stereo
_ | mini-jack
600 ohms {0.8 mVrms | 0.3 mVrms
More than
Vv 158 mV
47 kilohms 500 mVrms mVrms
Optical
wave
lenghth
660 nm
| Phono
Square
optical
connector
jack
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MiniDisc Recorder