Sony dtc 670 service manual

Page 1

DTC-670

SERVICE MANUAL us Model

Canadian Model
AEP Model

SPECIFICATIONS Model Name Using Similar Mechanism DTC-57ES
Tape Digital audio tape Tape Transport Mechanism Type DATM-lOO
Recording head Rotary head
Recording time Standard: 120 minutes.
Long-play mode: 240 minutes .
(with 012120) WOW and flutter
Tape speed Standard: 8.15 mm/s,
Long play mode: 4075 mm/s I
Drum rotation Standard: 2,000 r m, "P" .
Long-play mode: I3.000 rpm Jack type Impedance Rated Input level
Error correction Double Read Solomon code LINE IN phono jack 47 kohms .4 (ms
Tape . 0
Track DIICI'I 13.6 I'm (204 pm) DIGITAL IN phono tack 75 ohms 0.5 Vp-p. 20%:
Sampling frequency 48 kHz, 44.1 kHz. 32 kHz .
Modulation system 8-10 Modulation DIGITAL N optical rack - -
Transfer rate 246 Mbit/sec.
Number of channel 2 channels. stereo Out ut
D/A converston (Quantizatioraandard 16 bit linear p Jack W99 Impedance Rated Load
' ' t im dance
Long-play mode: 12vbit outpu pe
non-linear -
h More than
Frequency response StargdBard: 2-22,000 Hz (:05 LINE OUT phono JaCk 470 0 ms _4 dBS iO kohms
Longglgydrétfde: 2-14500 HZ PHONES stereo 220 ohms 1.3 mW 32 ohms
Signal to noise ratio Standard: more than 90 dB phone IaCK
L°d9ép'ay "me: 0; than 90 DIGITAL our (optical jack): wavelength 660 nm
Dynamic range Standard: more than 90 dB
Long-play mode: more than 90
dB
Total harmonic distortion Standard: less than 0.005% (1 - continued on next page -

kHz)

H DIGITAL AUDIO TAPE DECK
Below measurable limit
SONY;