Sony DTC-670 Service Manual

Sony DTC-670 Service Manual

Digital audio tape deck
SERVIGE
MANUAL
AEP Model
Tape
Recording head
Recording time
Tape speed
Drum rotation
Error correction
Tape
Track pitch
Sampling frequency
Modulation system
Transfer rate
hlumber of channel
SPECIRCATIONS
Digital audio tape
Rotary head
Standard: 120 minutes.
Long-play mode: 240 minutes
(with DT-120)
Standard:8.15 mm/s,
Long play mode: 4.075 mm/s
Standard: 2,000 rpm,
Long-play mode: 1,000 rpm
Double Read Solomon code
13.6 Fm (20.a pm)
48 kHz, 44.1 kHz,32kHz
8-10 Modulation
2.46 MbiVsec.
2 channels, stereo
Model Name Usinq Similar Mechanism
DTC-57ES
Taoe Transoort Mechanism Tvpe
DATM-1OO
Wow and flutter
Input
Oulpul
-continued on ne)ct page -
DIGITAT
AUDI(I TAPE DECK
D/A conversion (Ouantization)
Standard: 16-bit linear
Long-play mode: 12-bit
non-linear
Frequency response
Standard: 2-22,000 Hz (10.5
d B )
Long-play mode: 2-14,500 Hz
(r0.s dB)
Signal to noise ratio
Standard: more than 90 dB
Long-play mode: more than 90
d B
Dynamic range
Standard: more than 9O dB
Long-play mode: more than 90
d B
Total harmonic distortion
Standard: less than 0.005"Â (1
kHz)
Long-play mode: less than
o.@% (1 kHz)
Below measurable limit
(10.001% w. PEAK)
Jack type
lmpedance Rated input level
LINE IN
phono iack 47 kohms
-4 dBs
DIGITAL IN phono jack 75 ohms
0.5 Vp-p, 20"/o
DIGTTAL IN optical iack
Jack type
lmpedance Rated
outpùl
Load
impedance
LINE OUT phono lack 470 ohms -4 dBs
More than
10 kohms
PHONES stereo
phone jack
220 ohms
1.3 mW
32 ohms
DIGITAL OUT (optical jack): wavelength 660 nm
SONY
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