Technics RS-M280 Service Manual

ORDER NO. ARD81070071C8-34
Quartz-Locked Direct-Drive Stereo Cassette Deck
with 3 Head, Double Capstan System
DO [socevsverew)
RS-M250 MECHANISM SERIES
Specifications
Track system:
, 'Tape speed: 48cm/s
Wow and flutter: 0.024% (WRMS), +£0.09% (DIN)
Frequency response: Metal tape; 18—22,000Hz
20 — 20,000 Hz (DIN)
25—19,000Hz +3dB
18 — 21,000 Hz
20 — 20,000 Hz (DIN)
25—18,000Hz +3dB
Normal tape; 18 — 20,000 Hz
20 — 19,000 Hz (DIN)
25—17,000Hz +3dB
Signal-to-noise ratio: Dolby NR in; 70dB (above 5kHz)
Dolby NR out; 60dB
(signal level=peak level A weighted, CrOz
type tape)
4-track 2-channel stereo recording and playback
CrQ2 tape;
Fast forward and
rewind time: Approx. 80 seconds with C-60 cassette tape
Inputs:
Outputs:
Bias frequency :
Heads:
Motor:
Power requirement:
Power consumption:
Dimensions :
Weight:
Specifications are subject to change without notice.
* 'Dolby' and the double-D symbol are trademarks of Dolby Laboratories.
"Technics
Cassette Deck
RS-M280
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This is the Service Manual for the
| following areas.
[D).------+ For all European areas
except United Kingdom.
veteeaees For United Kingdom.
IN) --- +--+ For Asia, Latin America,
Middle East and Africa
areas.
sete eeees For Australia. |
MIC; sensitivity 0.25 mv, input impedance 9kQ
applicable microphone impedance 4002— 10kQ
LINE; sensitivity 60 mV, input impedance 42kQ
LINE: output level 700 mV, output impedance
2.5kQ or less load impedance 22k over
HEADPHONES; output level 125 mvV, load
impedance 82
85 kHz
3-head system
2-SX (Sendust Extra) heads for record/playback
1 double-gap ferrite head for erasure
3-motor system
1 Quartz locked Direct Drive motor
2 DC motors for reel-table drive
AC; 110/125/220/240V, 50-60 Hz
DIBA; 25W
IN]; 20W
43 cm(W) X9.7 cm(H) X 34.0 cm(D)
6.3kg
PO. Box 288, Central Osaka Japan
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