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SERVICE MANUAL
PORTABLE MINIDISC RECORDER
US Model
Canadian Model
AEP Model
UK Model
SPECIFICATIONS
MZ-N505
US and foreign patents licensed from Dolby
Laboratories.
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Model Name Using Similar Mechanism MZ-N707
Mechanism Type MT-MZN707-177
Optical Pick-up Name LCX-5R
Ver 1.0 2002. 01
9-873-459-01 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
MiniDisc digital audio system
Laser diode properties
Material: GaAlAs MQW
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 stereo
Revolutions
Approx. 380 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