Sony DIC-77ES Service Manual

DIC-77ES/87ES
~ SERVICE MANUAL
US Model
DTC-87ES
AEP Model
UK Model
DTC-77ES
Photo: DTC-87ES
Model Name Using Similar Mechanism | New Mechanism
Tape Transport Mechanism Type DATN-51
SPECIFICATIONS
Tape Digital audio tape
Recording head Rotary head
Recording time 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
Tape speed
Drum rotation
Error correction
Tape
Track pitch
Sampling frequency
Modulation system
Transfer rate 2.46 Mbit/sec.
Number of channel 2 channels, stereo
D/A conversion (Quantization)
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
(40.5 dB)
13.6 um (20.4 um)
48 kHz, 44.1 kHz, 32 kHz
8-10 Modulation
Frequency response
eee ee DTC-77ES DTC-87ES
Signal to noise | SP | worathan deen. Luce than 94 dB
ratio
more than 93 dB
more than 94 dB
SP
tan SP | aie
ynamic range more than 9 mem 4hen og dB
Total harmonic SP | less than 0.0045% | less than 0.004%
distortion (1 kHz) less than 0.08% _—_| less than 0.08%
* SP: standard-play mode
LP: Long-play mode
Wow and flutter Below measurable limit
(£0.001% W. PEAK)
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DIGITAL AUDIO TAPE DECK
SONY.