Technics RS-M235X Service Manual

" ORDER NO. ARD82110201C2-14
Service M_.. ..._.
Cassette Deck
dbx/Dolby B « C NR, 2 Motor
RS-M
235X
Stereo Cassette Deck
Gael ae
Black Face
DO (eotevs-ena]
This is the Service Manual for the
following areas.
setaseese For all European areas
except United Kingdom.
operate For United Kingdom.
RS-M235X in black is also available in some countries.
RS-M250 MECHANISM SERIES
Specifications
Track system: 4-track 2-channel stereo recording and Fast forward and
playback rewind time: Approx. 90 seconds with C-60 cassette
Tape speed: 4.8cm/s tape
Wow and flutter:
0.045% (WRMS), +0.14% (DIN)
Inputs:
MIC; sensitivity 0.25mV, applicable
Frequency response:
Metal tape; 20—20,000Hz
microphone impedance 400S2—10k2
30— 18,000 Hz (DIN) LINE; sensitivity 6(0mV, input impedance
50—17,000Hz +3dB 47kQ or more
CrO, tape; 20—19,000 Hz Outputs: LINE; output level 400mV, output
30— 18,000 Hz (DIN) impedance 1.5kQ or less
50— 16,000 Hz +3dB HEADPHONES; output level 8O0mV
Normal tape; 20— 18,000 Hz (at 82) applicable headphones
30— 16,000 Hz (DIN) impedance 82—6002
50—15,000Hz +3dB Bias frequency: 80kHz
Dynamic range: 110dB (at 1kHz) with dbx in
Heads:
2-head system
Max. input level 1-MX head for record/playback
improvement: 10dB or more improved with dbx in 1-double-gap ferrite head for erasure
(at 1kHz) Motor: 2-motor system
Signal-to-noise ratio: dbx in; 92dB Power requirements: [D]...AC; 220V, 50-60Hz
Dolby C NR in; 75dB (CCIR) [B)...AC; 110/125/220/240V, 50-60Hz
Dolby B NR in; 67dB (CCiR) Pre-set power voltage 240V
NR out; 57dB Power consumption: 18W
(Signal level = max. input level A Dimensions (WxHxD): 43cmx9.8cmx27.3cm
weighted, CrO, type tape) Weight: 5.0kg
Design and specifications are subject to change without notice.
*The term dbx is a registered trademark of dbx Inc.
'Dolby' and the double-D symbol are trademarks of Dolby Laboratories.