Sony MZ-NH600 Service Manual

SERVICE MANUAL
Ver 1.0 2004.05
US and foreign patents licensed from Dolby
Laboratories.
• SonicStage, MD Simple Burner, OpenMG, "Magic Gate", "MagicGate Memory Stick",
"Memory Stick", Hi-MD, Net MD, ATRAC, ATRAC3, ATRAC3plus and their logos are
trademarks of Sony Corporation.
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respective holders.
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 HMD1G (1GB disc):
Maximum 34 hours in Hi-LP stereo
When using MDW-80 in Hi-MD mode:
Maximum 10 hours and 10 min. in Hi-LP
stereo
When using MDW-80 in MD mode:
Maximum 160 min. in monaural
Maximum 320 min. in LP4 stereo
Revolutions
350 rpm to 3,000 rpm (CLV)
Error correction
Hi-MD:
LDC (Long Distance Code)/BIS (Burst
Indicator Subcode)
MD:
ACIRC (Advanced Cross Interleave Reed
Solomon Code)
Sampling frequency
44.1 kHz
Sony Corporation
9-877-840-01
Personal Audio Company
2004E05-1
Published by Sony Engineering Corporation
© 2004.05
MZ-NH600
Model Name Using Similar Mechanism
MD Mechanism Type
Optical Pick-up Name
SPECIFICATIONS
Sampling rate converter
Input: 32 kHz/44.1 kHz/48 kHz
Coding
Hi-MD:
ATRAC3plus (Adaptive TRansform Acoustic
Coding 3 plus)
MD:
ATRAC
ATRAC3 − LP2/LP4
Modulation system
Hi-MD:
1-7RLL (Run Length Limited)/PRML
(Partial Response Maximum Likelihood)
MD:
EFM (Eight to Fourteen Modulation)
Frequency response
20 to 20,000 Hz ± 3 dB
Inputs
1)
LINE IN (OPT) :
stereo mini-jack for analog input
(minimum input level 49 mV)
optical (digital) mini-jack for optical (digital)
input
1)
The LINE IN (OPT) jack is used to connect
either a digital (optical) cable or a line
(analog) cable.
PORTABLE MINIDISC RECORDER
AEP Model
E Model
NEW
MT-MZNH900-181
ABX-U
Outputs
i: stereo mini-jack
Maximum output (DC)
Headphones:
3 mW + 3 mW (16 Ω) (European models)
5 mW + 5 mW (16 Ω) (Other models)
Power requirements
One LR6 (size AA) alkaline battery
AC power adaptor DC 3V
Operating temperature
+5° C (+41° F) to +35° C (+95° F)
2)
Battery life
Hi-MD mode (When using a 1GB Hi-MD disc)
(Unit: approx.hours)(JEITA
When Linear Hi-SP
PCM
Recording 2.5 3.5
continuously
Playing 11.0 18.5
continuously
2)
When using a new Sony LR6 (size AA) alkaline
dry battery (produced in Japan)
3)
Measured in accordance with the JEITA
(Japan Electronics and Information Technology
Industries Association) standard.
– Continued on next page –
3)
)
Hi-LP
4.5
21.5