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MICROFILM
SERVICE MANUAL
US Mode!
DTC- 75ES/700
'Canadian Model
DTC- 75ES
AEP Model
UK Model
DTC- 55ES
Model
Name
Using Similar Mechanism
New
Mechanism
Tape
Recording head
Recording time
Tape speed
Orum rotation
Error correction
Tape
Track pitch
Sampling frequency
Modulation system
Transfer rate
Number of channel
D/A conversion
Frequency response
Signal to noise ratio
Tape Transport
Mechanism
Type
DTAM- 13
SPECIFICATIONS
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 pm (20.4 jim)
48 kHz, 44.1 kHz, 32 kHz
8 — 10 Modulation
2.46 Mbit/sec.
2 channels, stereo
Standard: 16-bit linear
Long-play mode: 12-bit non-linear
Standard: 2 - 22,000 Hz (+0.5 dB)
Long-play mode: 2 - 14,500 Hz
(+0.5 dB)
DTC- 55ES/ 700 :
Standard:
more than 92dB
Long- play mode:
more than 92dB
OTC-75ES :
Standard:
more than 93dB
Long- play mode:
more
than
92dB
Dynamic
range
DTC- 55ES/700
Standard:
more than 92dB
Long- play mode:
more than 92dB
DTC-75ES:
Standard:
more than 93dB
Long- play mode:
more than 92dB
DTC-55ES:
Standard: fess than 0.005% (1kHz)
Long- play mode:
less than 0.08% (1kHz)
DTC-75ES :
Standard:
less than 0.004% (1kHz)
Long- play mode :
less than 0.08% (1kHz)
Total harmonic
distortion
DTC-700:
Standard : less than 0.0045 %(1kHz)
Long- play mode:
less than 0.08% (1kHz)
Below measurable limit
(+0.001% W.PEAK)
ome | =f
— Continued
on next page —
DIGITAL AUDIO TAPE DECK
ON
Y.
Wow and flutter
Input
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