Sony DTC-790 Service Manual
Digital audio tape deck
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Also See for DTC-790:
- Operating instructions manual (23 pages) ,
- Operating instructions manual (22 pages)
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SERVICE MANUAL
System
Tape
Recording head
Recording time
(when using DT-120)
Tape speed
Drum rotation
Track pitch
Sampling frequency
Number of channels
D/ A conversion
(quantization)
Frequency response
Signal-to-noise ratio
Dynamic range
Total harmonic distortion
Wow and flutter
DIC-190
US Model
Canadian Model
AEP Model
Model Name Using Similar Mechanism | DTC-690
Tape Transport Mechanism Type
DATM-110
SPECIFICATIONS
Digital audio tape
Rotary head
Standard: 120 minutes
Long-play: 240 minutes
Standard: 8.15 mm/s
Long-play: 4.075 mm/s
Standard: 2,000 rpm
Long-play: 1,000 rpm
13.6 um (20.4 um)
48 kHz, 44.1 kHz, 32 kHz
2 channels, stereo
Standard: 16-bit linear
Long-play: 12-bit non-linear
Standard: 2-22,000 Hz (+0.5 dB)
Long-play: 2-14,500 Hz (£0.5dB)
90 dB or more (Standard and long-play
mode)
90 dB or more (Standard and long-play
mode)
Standard: 0.005% or less (1 kHz)
Long-play: 0.008% or less (1 kHz)
Below measurable limit (+0.001%
W.PEAK)
Input Connectors
Connector
Jack type
Input impedance _ Rated input level
ANALOG
Phono jacks
47 kilohms
~4 dBs
(LINE)
DIGITAL
Phono jack
75 ohms
0.5 Vp-p
COAXIAL
Output Connectors
Connector
Jack type
Output
Rated
Load
impedance
output
impedance
level
ANALOG
Phono
470 ohms
~4dBs
10 kilohms
(LINE)
jacks
or more
DIGITAL
Optical
—
(wavelength
OPTICAL
connector
660nm)
HEADPHONES Stereo
100 ohms
1.2mW
32 ohms
phone-plug
jack
— Continued on next page —
DIGITAL AUDIO TAPE DECK
SONTY.
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