SERVICE MANUAL
US and foreign patents licensed form Dolby Laboratories
Licensing Corporation.
System
Disc
Laser
Laser output
Laser diode
Revolutions (CLV)
Error correction
Sampling frequency
Coding
Modulation system
Number of channels
Frequency response
Signal-to-noise ratio
Wow and flutter
Inputs
LINE (ANALOG) IN
DIGITAL (OPTICAL) IN Connector type: square optical
Outputs
LINE (ANALOG) OUT (VARIABLE)
DIGITAL (OPTICAL) OUT
PHONES
Photo: SILVER
SPECIFICATIONS
General
MiniDisc digital audio system
MiniDisc
Where purchased
Semiconductor laser (λ = 780 nm)
Emission duration: continuous
U.S.A. and Canada
Less than 44.6 µW*
Other countries
* This output is the value
measured at a distance of
* Using an AC power adaptor (supplied)
200 mm from the objective lens
surface on the Optical Pick-up
Power consumption
Block with 7 mm aperture.
Dimensions (approx.)
Material: GaAlAs
400 rpm to 900 rpm
Advanced Cross Interleave Reed
Mass (approx.)
Solomon Code (ACIRC)
44.1 kHz
Supplied
Adaptive Transform Acoustic
Coding (ATRAC)
EFM (Eight-to-Fourteen
Modulation)
2 stereo channels
5 to 20,000 Hz ±0.5 dB
Over 94 dB during playback
Below measurable limit
Jack type: stereo-mini
Impedance: 47 kilohms
Rated input: 500 mVrms
Minimum input: 125 mVrms
Impedance: 660 nm (optical wave
length)
Jack type: stereo-mini
Rated output: 1 Vrms (at
50 kilohms)
Load impedance: Over 10 kilohms
Connector type: square optical
Rated output: –18 dBm
Impedance: 660 nm (optical wave
length)
Jack type: stereo-mini
Rated output: 5 mW
Load impedance: 32 ohms
MDS-PC3
Model Name Using Similar Mechanism
MD Mechanism Type
Optical Pick-up Type
Power requirements*
120 V AC, 60 Hz
220 – 230 V AC, 50/60 Hz
7 W
152 × 52 × 255 mm (6 × 2
1
10
/
inches) (w/h/d) incl.
8
projecting parts and controls
1.0 kg (2 lb 4 oz)
accessories
• AC power adaptor (1)
• Audio connecting cord
(stereo mini-plug × 1 y stereo mini-plug × 1)
(1)
• Optical cable (1)
• Remote commander (remote) RM-D52M (1)
• PC connecting kit PCLK-MN10* (1)
* Required for operation by personal computer. For
details, refer to the operating instructions supplied
with the PCLK-MN10.
US Model
Canadian Model
AEP Model
UK Model
E Model
MDS-JE640
MDM-7A
KMS-260B/J1N
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MINIDISC DECK