Sony Walkman MZ-N910 Service Manual

SERVICE MANUAL
Ver. 1.5 2006.05
US and foreign patents licensed from Dolby
Laboratories.
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 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
350 rpm to 3,600 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 Fourteen Modulation)
Frequency response
20 to 20,000 Hz ± 3 dB
Sony Corporation
9-877-146-06
2006E16-1 Personal Audio Division
C 2006.05 Published by Sony Techno Create Corporation
SILVER MODEL
Model Name Using Similar Mechanism
Mechanism Type
Optical Pick-up Name
SPECIFICATIONS
Inputs 1)
MIC: stereo mini-jack
(minimum input level 0.25 mV)
Line in: stereo mini-jack for analog input
(minimum input level 49 mV)
optical (digital) mini-jack for optical
(digital) input
Outputs
2)
i/LINE OUT : stereo mini-jack (dedicated
remote control jack)/194 mV (10 kΩ)
2)
Maximum output (DC)
Headphones:
4 mW + 4 mW (16 Ω)(AEP,UK models)
5 mW + 5 mW (16 Ω)(other models)
Power requirements
Sony AC Power Adaptor connected at the DC
IN 3V jack:
120 V AC, 60 Hz (Models for USA, Canada,
Mexico and Taiwan)
230 - V AC, 50/60 Hz (Models for continental
Europe)
240 V AC, 50 Hz (Model for Australia)
220 V AC, 50 Hz (Model for China)
230 - V AC, 50 Hz (Models for U.K. and
Hong Kong)
100 - 240 V AC, 50/60 Hz (Other models)
The recorder:
Nickel metal hydride rechargeable battery
NH-14WM, 1.2V, 1350mAh (MIN), Ni-MH
LR6 (size AA) alkaline battery
Battery charging stand:
AC power adaptor DC 3V
PORTABLE MINIDISC RECORDER
MZ-N910
Australian Model
Chinese Model
Tourist Model
Battery operation time
When recording
(Unit: approx.hours)(JEITA
Batteries
NH-14WM
nickel metal
hydride
rechargeable
battery
LR6 (SG)
Sony alkaline
dry battery
NH-14WM
nickel metal
hydride
rechargeable
battery + One
LR6 (SG)
When playing
Batteries
NH-14WM
nickel metal
hydride
rechargeable
battery
LR6 (SG)
Sony alkaline
dry battery
NH-14WM
nickel metal
hydride
rechargeable
battery + One
LR6 (SG)
– Continued on next page –
AEP Model
UK Model
E Model
NEW
MT-MZN910-181
ABX-1R
3)
4)
)
SP LP2 LP4
Stereo Stereo Stereo
11 16 20
11 16 21
29 38 50
SP LP2 LP4
Stereo Stereo Stereo
31 38 45
47 57 69
80 95 114