Sony Hi-MD Walkman MZ-RH910, Service Manual

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2
MZ-RH910
Recording and playback time
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
Sampling rate converter
Optical (digital) input: 32 kHz/44.1 kHz/
48 kHz
Audio formats supported by this
recorder
Recording:
Linear PCM (44.1 kHz/16 bit)
ATRAC3plus (Adaptive TRansform
Acoustic Coding 3 plus) (Hi-SP/Hi-LP)
Playback:
Linear PCM
ATRAC3plus
ATRAC3
ATRAC
MP3 (MPEG-1 Audio Layer-3/Sampling
frequency 44.1 kHz/Bit rate 32 - 320 kbps
(constant/variable bit rate))
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)
MIC: stereo mini-jack
(minimum input level 0.13 mV)
Line in:
stereo mini-jack for analog input
(minimum input level 49 mV)
optical (digital) mini-jack for optical
(digital) input
Outputs
i
: stereo mini-jack (dedicated remote control
jack)
1) The LINE IN (OPT) jack is used to connect
either a digital (optical) cable or a line
(analog) cable.
List of the recording time for each disc
When using a disc in Hi-MD mode
When recording on the
recorder Recording time 1)
1) Approximate time
Recording
mode on the
recorder Codec/
Bit rate 1GB Hi-MD
disc 80-minute
standard
disc 74-minute
standard
disc 60-minute
standard
disc
PCM Linear PCM/
1.4Mbps 1 hour and 34
minutes 28 minutes 26 minutes 21 minutes
Hi-SP ATRAC3plus/
256kbps 7 hours and 55
minutes 2 hours and 20
minutes 2 hours and
10 minutes 1 hour and 40
minutes
Hi-LP ATRAC3plus/
64kbps 34 hours 10 hours and
10 minutes 9 hours and
20 minutes 7 hours and
40 minutes
When transferring from the
computer Recording time
1)2)
2) When transferring 4-minute tracks
Codec/Bit rate 1GB Hi-MD
disc 80-minute
standard
disc 74-minute
standard
disc 60-minute
standard
disc
Linear PCM/1.4Mbps 1 hour and 34
minutes 28 minutes 26 minutes 21 minutes
ATRAC3plus/256kbps 7 hours and 55
minutes 2 hours and 20
minutes 2 hours and
10 minutes 1 hour and 40
minutes
ATRAC3plus/64kbps 34 hours 10 hours and
10 minutes 9 hours and
20 minutes 7 hours and
40 minutes
ATRAC3plus/ 48 kbps 45 hours 13 hours and
30 minutes 12 hours and
30 minutes 10 hours
ATRAC3/132kbps 16 hours and
30 minutes 4 hours and 50
minutes 4 hours and
30 minutes 3 hours and
40 minutes
ATRAC3/105kbps 20 hours and
40 minutes 6 hours and 10
minutes 5 hours and
40 minutes 4 hours and
40 minutes
ATRAC3/66kbps 32 hours and
40 minutes 9 hours and 50
minutes 9 hours 7 hours and
20 minutes
MP3/128kbps 17 hours 5 hours 4 hours and
30 minutes 3 hours and
30 minutes
When using a disc in MD mode
You cannot record in MD mode on this recorder.
When transferring from the
computer Recording time 1)2)
1) Approximate time
2) When transferring 4-minute tracks
Codec/Bit rate 80-minute
standard disc 74-minute
standard disc 60-minute
standard disc
ATRAC(stereo)/292kbps 80 minutes 74 minutes 60 minutes
ATRAC3/132, 105kbps 2 hours and 40
minutes 2 hours and 28
minutes 2 hours
ATRAC3/66kbps 5 hours and 20
minutes 4 hours and 56
minutes 4 hours
Maximum output (DC)
Headphones:
2.8 mW + 2.8 mW (16
Ω
) (European
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)
240 V AC, 50 Hz (Model for Australia)
220 V AC, 50 Hz (Models for China and
Argentine)
100 - 240 V AC, 50/60 Hz (Other models)
The recorder:
Nickel metal hydride rechargeable battery
NH-10WM 1.2V 900 mAh (MIN) Ni-MH
LR6 (size AA) alkaline battery
AC power adaptor DC 3V
Operating temperature
+5
°
C (+41
°
F) to +35
°
C (+95
°
F)
Battery operation time
2)
Dimensions
Approx. 80.2
×
20.7
×
84.3 mm (w/h/d)
(3
1
/
4
×
27
/
32
×
3
3
/
8
in.) (excluding projecting
parts and controls)
Mass
Approx. 112 g (4.0 oz) (the recorder only)
Approx. 138 g (4.9 oz) (including the
rechargeable battery)
Supplied accessories
AC power adaptor
Remote control (except US and Canadian models)
Earphones
Dedicated USB cable
NH-10WM Nickel metal hybride rechargeable battery
Battery carrying case
Dry battery case
Optical cable (except US and Canadian models)
Clamp filters (small-size)
CD-ROM (SonicStage/MD Simple Burner)*
Carrying poach
* Do not play a CD-ROM on an audio CD player.
2) Measured in accordance with JEITA.
Design and specifications are subject to change
without notice.
When playing continuously in Hi-MD mode
(Unit: approx.hours)(JEITA)
When playing continuously in MD mode
(Unit: approx.hours)(JEITA)
Battery life
When recording continuously in Hi-MD mode
(Unit: approx.hours)(JEITA 1) )
Disc type Batteries Linear PCM Hi-SP Hi-LP
1GB Hi-MD disc NH-10WM 2) 4 5.5 6.5
LR6
3)
2 3 3.5
NH-10WM + LR6 6.5 9 11
60/74/80-minute
standard disc NH-10WM 3.5 5.5 6.5
LR6 4 6.5 7.5
NH-10WM + LR6 8 13 15
1) Measured in accordance with the JEITA (Japan Electronics and Information Technology Industries
Association) standard.
2)
When using a 100% fully charged nickel metal hydride rechargeable battery
3) When using a Sony LR6 (size AA) alkaline dry battery (produced in Japan)
Disc type Batteries Linear
PCM Hi-SP Hi-LP MP3
1)
1) Tracks transferred at 128 kbps
1GB Hi-MD disc NH-10WM 6.5 9.5 11 10
LR6 10.5 15.5 18 16.5
NH-10WM + LR6 20 30 34.5 31.5
60/74/80-minute
standard disc NH-10WM 5.5 9 11 10
LR6 8.5 15 18 16.5
NH-10WM + LR6 16.5 28.5 34.5 31.5
Disc type Batteries SP LP2 LP4
60/74/80-minute
standard disc NH-10WM 10 11 12
LR6 17.5 20 21
NH-10WM + LR6 33 37 39.5