Sony AM-NX9 Service Manual

SERVICE MANUAL
Ver 1.1 2003. 08
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manual.
MD recorder
Audio playing system
MiniDisc digital audio system
Laser diode properties
Material: GaAlAs
Wavelength: λ = 790 nm
Emission duration: continuous
Laser output: 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 with 7 mm aperture.)
Recording and playback time (when
using MDW-80)
Maximum 160 min. in monaural
Maximum 320 min. in LP4 stereo
Revolutions
Approx. 380 rpm to 2,700 rpm
Error correction
ACIRC (Advanced Cross Interleave Reed
Solomon Code)
Sampling frequency
44.1 kHz
Coding
ATRAC (Adaptive TRansform Acoustic
Coding)
ATRAC3 — LP2/LP4
Modulation system
EFM (Eight to Fourteen Modulation)
Number of channels
2 stereo channels
1 monaural channel
Sony Corporation
9-877-460-02
2003H05-1 Personal Audio Company
C 2003.08 Published by Sony Engineering Corporation
TM
and R marks are omitted in this
SPECIFICATIONS
Frequency response
20 to 20,000 Hz ± 3 dB
Outputs
i: stereo mini-jack, maximum output level
2 mW + 2 mW, load impedance 16 Ω
(European models)
5 mW + 5 mW, load impedance 16 Ω (other
models)
General
Power requirements
AC Power Adaptor connected at the DC IN 3V
jack:
120 V AC, 60 Hz (Model for Canada)
230 V AC, 50/60 Hz (Model for continental
Europe)
240 V AC, 50 Hz (Model for Australia)
230 V AC, 50 Hz (Model for U.K. and Hong
Kong)
220 V AC, 60 Hz (Model for Korea)
100 – 240 V AC, 50/60 Hz (Other models)
The recorder:
One LR6 (size AA) alkaline battery (not
supplied)
Recommended temperature for
check-in/check-out
+5 °C (+41°F) or higher
PORTABLE MINIDISC RECORDER
AM-NX9
Canadian Model
Australian Model
Model Name Using Similar Mechanism
Mechanism Type
Optical Pick-up Name
Battery operation time
The battery life may be shorter due to operating
conditions and the temperature of the location.
When
playing
1) When using a new Sony LR6 (size AA)
"STAMINA" alkaline dry battery (produced
in Japan).
2) Measured in accordance with the JEITA
(Japan Electronics and Information
Technology Industries Association) standard.
Note
The battery life may be shorter than that
specified, depending on the operating
conditions, the temperature of the location, and
varieties of a battery.
AEP Model
UK Model
E Model
MZ-N710
MT-MZN710-177
LCX-5R
Unit: approx.hours (JEITA 2) )
SP LP2 LP4
stereo stereo stereo
42 48 56
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