Technics RS-615US-D Service Manual

ORDER NO. ARD-7702013C
Service Manual
Cassette Deck
RS-615US-D
Front-Loading Stereo Cassette Deck with
Dolby' Noise-Reduction System,
Timer Stand-By and 3-Position Tape Selector
RS-630U MECHANISM SERIES
Specifications (Catalog specifications for sales)
Power requirement:
Power consumption:
Motor:
Track system:
Tape speed:
Wow and flutter:
Frequency response:
Signal-to-noise ratio:
Fast forward and
rewind time:
AC; 110/125/220/240V, 50Hz
10W
DC electronic speed control motor
4-track, 2-channel stereo recording and playback
4.8cm/s
0.1% (WRMS), 0.2% (DIN)
CrOQ2 tape; 30~16,000Hz
30-~ 14,000 Hz (DIN)
Normal tape; 30 ~ 14,000 Hz r
30~ 13,000 Hz (DIN)
Dolby NR in; 60dB (above 5kHz)
Dolby NR out; 50 dB (signal level =250nWb/m)
Approx. 90 seconds with C-60 cassette tape
Input:
Output:
REC/PB connection:
Head:
Dimensions:
Weight:
MIC; sensitivity 0.25 mV/applicable microphone
impedance 6002~ 20 KQ
LINE; sensitivity 60 mV/input impedance 47 KQ
LINE; output level 0.42 V/load impedance 50 KQ
over
HEADPHONES; output level 65 mV/load
impedance 8Q
5P DIN type;
input level 0.34 mV/2.2 KQ
output level 0.42 V/3.3 KQ
2-head system;
l-super permalloy head for record/playback
1-ferrite head for erasing
41.0cm(W) X 14.0cm(H) X 30.5cm(D)
6.3kg
Specifications are subject to change without notice.
Technics
Matsushita Electric Trading Co., Ltd.
P.O. Box 288, Central Osaka Japan