Sony dtc p 7 service manual

Page 1

SEItVICE MANUAL

_DTc-P7

Canadian Model
AEP Model
UK Model

SPECIFICATIONS
Tape Digital audio tape
Recording head Rotary head

Standard: 120 minutes.

Long-play mode: 240 minutes
(with DT-120)

Standard: 815 mm/s,

Long play mode: 4.075 mm/s

Standard: 2000 rpm,

Long-play mode: 1,000 rpm

Recording time

Tape speed

Drum rotation

Error correction Double Read Solomon code
Tape

Track pitch 13.6 pm (204 pm)
Sampling frequency 48 kHz, 44.1 kHz, 32 kHz
Modulation system 8-10 Modulation

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)

Longvplay mode: 2-14,500 Hz
(:05 dB)

Standard: more than 88 dB

Longplay mode: more than 88
dB

Standard: more than 88 dB

Long-play mode: more than 88
dB

Standard: less than 0.0065% (1
kHz)

Long-play mode: less than
0.08% (1 kHz)

Frequency response

Signal to noise ratio

Dynamic range

Total harmonic distortion

Model Name Using Similar Mechanism NEW
Tape Transport Mechanism Type DATM-101

Below measurable limit
(1000170 W. PEAK)

Wow and flutter

Input
Jack type Impedance Rated input level

LINEIN phonojack 47 kohms ~4st

DIGITAL IN phono jack 75 ohms 0.5 Vp-p, 20%

DIGITAL IN optical jack --

Output

Jacktype Impedance Rated Load
output impedance

LINE our phono jack 470 ohms -4st More than
10 kohms

PHONES stereo 220 ohms 0.6 mW 32 ohms

phone jack

DIGITAL OUT (optical jack): wavelength 660 nm

- continued on next page -

DIGITAL AUDIO TAPE DECK
SONXG