Sony MZ-R910, Руководство по обслуживанию

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SERVICE MANUAL
PORTABLE MINIDISC RECORDER
Hong Kong Model
Tourist Model
MZ-R910
US and foreign patents licensed from Dolby
Laboratories.
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Model Name Using Similar Mechanism NEW
Mechanism Type MT-MZR910-180
Optical Pick-up Name LCX-5RV
Ver 1.0 2002. 06
9-874-055-01
Sony Corporation
2002F0200-1 Personal Audio Company
C
2002.06 Published by Sony Engineering Corporation
Audio playing system
MiniDisc digital audio system
Laser diode properties
Material:GaAlAs
Wevelength :
λ
=790nm
Emissin duration : continuous
Laser output : less than 44.6 µW
(This output is the value measured at a distance of 200 mm from the
lens surface on the optial pick-up block with 7 mm aperture.)
Recording and playback time (when using MDW-80)
Maximum 160 min. in monaural
Maximum 320 min. in stereo
Revolutions
382 rpm to 2,700 rpm (CLV)
Error correction
ACIRC (Advanced Cross Interleave Reed Solomon Code)
Sampling frequency
44.1 kHz
Sampling rate converter
Input : 32 kHz/44.1 kHz/48 kHz
Coding
ATRAC (Adaptive TRansform Acoustic Coding)
ATRAC3 - LP2/LP4
Modulation system
EFM (Eight to Fourteer Modulation)
Frequency response
20 to 20,000 Hz ± 3 dB
Wow and Flutter
Below measurable limit
Inputs 1)
MIC : sterto mini-jack
(minimum input level 0.25 mV)
Line in :
stereo mini-jack for anolog input (minimum input level 49 mV)
optical (digital) mini-jack for optical (digital) input
Outputs
i /LINE OUT
2)
: stereo mini-jack (dedicated remote control jack) /
194 mv(10 kohm)
Maximum output(DC) 2)
Headphones : 5 mW + 5 mW(16 ohm)
Power requirements
Sony AC Power Adaptor connected at the DC IN 3V jack (country
model in parentheses) :
230 - 240 V AC, 50 Hz (Hong Kong)
100 - 240 V AC, 50/60 Hz (Tourist)
The recorder :
Nickel metal hydride rechargeable battery
NH-14WM(A) 1.2V 1350 mAh (MIN) Ni-MH
LR6 (SG) alkaline battery
Battery charging stand:
AC power adaptor DC 3V
Dimensions
Approx.78.9 x 72.0 x17.1 mm (w/h/d)
(3
1
/
8
x 2
7
/
8
x
11
/
16
in.)
SPECIFICATIONS