SERVICE MANUAL
PORTABLE MINIDISC RECORDER
US Model
Canadian Model
AEP Model
UK Model
SPECIFICATIONS
MZ-N707
US and foreign patents licensed from Dolby
Laboratories.
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Model Name Using Similar Mechanism NEW
Mechanism Type MT-MZN707-177
Optical Pick-up Name LCX-5R
Ver 1.0 2002. 01
9-873-458-01 Sony Corporation
2002A0500-1 Personal Audio Company
C 2002.1 Published by Sony Engineering Corporation
•OpenMG, “MagicGate”, “MagicGate Memory Stick”, “Memory Stick”,
VAIO,MusicClip and their logos are trademarks of Sony Corporation.
•“WALKMAN” is a trademark of Sony Corporation.
•Microsoft,Windows,Windows NT and Windows Media are trademarks
or registered trademarks of Microsoft Corporation in the United States
and/or other countries.
•IBM and PC/AT are registered trademarks of International Business
Machines Corporation.
•Macintosh is a trademark of Apple Computer,Inc.in the United States
and/or other countries.
•All other trademarks are trademarks of their respective owners. ™ and
® marks are omitted in this manual.
MD Recorder
Audio playing system
MiniDis c dig ita l a udi o syst em
Laser diode properties
Material: GaAlAs MQW
Wavelength: λ = 790 nm
Emission duration: continuous
Laser output: less than 44.6 µW
(This outp ut is th e va lue mea sure d at a distan ce
of 200 mm fr om the lens su rfac e on the optic a l
pick-up block with 7 mm aper ture .)
Recording and playback t ime
When us ing MDW-80
Maxim um 160 min. in monaur al
Maxim u m 320 min. in ster e o
Revolutions
Approx. 380 rp m to 2, 700 r pm (CLV)
Error correction
A CIRC (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
ATRAC3 — LP4