Sony MDS-NT1 User Manual
Mds-nt1, Service manual, Minidisc deck
![background image](/manuals/142401/1/background.png)
SERVICE MANUAL
MINIDISC DECK
AEP Model
UK Model
E Model
SPECIFICATIONS
MDS-NT1
US and foreign patents licensed from Dolby
Laboratories Licensing Corporation.
•
Do not connect the supplied AC power adaptor to a
switched AC outlet (e.g., on an amplifier).
•
Use only the supplied AC power adaptor. Do not
use any other AC power adaptor.
Polarity of the plug
System
MiniDisc digital audio system
Disc
MiniDisc
Laser
Semiconductor laser (
λ
= 780 nm)
Emission duration: continuous
Revolutions (CLV)
800 rpm to 1800 rpm
Error correction
Advanced Cross Interleave Reed
Solomon Code (ACIRC)
Sampling frequency
44.1 kHz
Coding
Adaptive Transform Acoustic
Coding (ATRAC)/ATRAC 3
Modulation system
EFM (Eight-to-Fourteen
Modulation)
Number of channels
2 stereo channels
Frequency response
5 to 20,000 Hz
±
0.8 dB
Signal-to-noise ratio
Over 96 dB during playback
Wow and flutter
Below measurable limit
Outputs
LINE (ANALOG) OUT
Jack type: stereo-mini
Rated output: 1 Vrms (at
50 kilohms)
Load impedance: Over 10 kilohms
PHONES
Jack type: stereo-mini
Rated output: 5 mW
Load impedance: 32 ohms
General
USB port
series B, self powerd, full speed
Where purchased
Power requirements
*
Europe and other countries 220 – 230 V AC, 50/60 Hz
* Using an AC power adaptor (supplied)
Power consumption
6 W
Dimensions (approx.)
152
Ч
52
Ч
249 mm (w/h/d) incl.
projecting parts and controls
Mass (approx.)
1.0 kg
Supplied accessories
Design and specifications are subject to change
without notice.
•
AC power adaptor (1)
•
USB cable (1)
•
Audio connecting cord
(stereo mini-plug
×
1 y stereo mini-plug
×
1)
(1)
•
OpenMG Jukebox CD-ROM (1)
•
Operating instructions for OpenMG Jukebox
(1)
9-873-614-01
Sony Corporation
2002B0500-1
Home Audio Company
C
2002.02
Published by Sony Engineering Corporation
Model Name Using Similar Mechanism
NEW
MD Mechanism Type
MDM-7S2B
Optical Pick-up Name
KMS-262E
• OpenMG, “MagicGate”, “MagicGate Memory
Stick”, “Memory Stick”, VAIO, MusicClip, Net MD,
and their logos are trademarks of Sony Corporation.
• “WALKMAN ” is a trademark of Sony Corporation.
• Microsoft, Windows, Windows NT and Windows Me-
dia are trademarks or registered trademarks of
Microsoft Corporation in the United States and/or
other countries.
• IBM and PC/AT are registered trademarks of Interna-
tional Business Machines Corporation.
• Macintosh is a trademark of Apple Computer,Inc.in
the United States and/or other countries.
• MMX and Pentium are trademarks or registered trade-
marks of Intel Corporation.
• All other trademarks are trademarks of their respec-
tive owners.
TM
and ® marks are omitted in this manual.
Document Outline
- COVER
- SELF-DIAGNOSIS FUNCTION
- TABLE OF CONTENTS
- SERVICING NOTES
- GENERAL
- DISASSEMBLY
- TEST MODE
- ELECTRICAL ADJUSTMENTS
- DIAGRAMS
- BLOCK DIAGRAM – SERVO Section –
- BLOCK DIAGRAM – MAIN Section –
- NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
- Waveforms
- PRINTED WIRING BOARD – BD Board –
- SCHEMATIC DIAGRAM – BD Board (1/2) –
- SCHEMATIC DIAGRAM – BD Board (2/2) –
- PRINTED WIRING BOARD – MAIN Board (Component Side) –
- PRINTED WIRING BOARD – MAIN Board (Conductor Side) –
- SCHEMATIC DIAGRAM – MAIN Board (1/2) –
- SCHEMATIC DIAGRAM – MAIN Board (2/2) –
- PRINTED WIRING BOARD – PANEL Board –
- SCHEMATIC DIAGRAM – PANEL Board –
- IC Block Diagrams
- IC PIN FUNCTION DESCRIPTION
- EXPLODED VIEWS
- ELECTRICAL PARTS LIST
- REVISION HISTORY