Maintenance; Specifications - Technics RS-M27OX Operating Instructions Manual

MAINTENANCE
.Follow
the numbered order
Cleaning the head section
Because the
Head
Assembly, Pinch Roller and the Capstan are
in
constant contact with the moving tape,
parts will
decrease the sound
quality
They should
be
cleaned with
a Cotton Swab
af
ter every
10
hours of
Removethe
cassette
lid REC/PB
Head
Capstan
Pinch Roller
Tape
Guide
dirt
or residue from the tape
on
these
use. as described below:
g
![!![0
1
2.
Replace the
cassette lid
IN
CASE OF DI
lf operation of this unit does not seem to be normal, check the
following
points before requesting service
lf
the trouble cannot
be
determined
and
corrected, contact the dealer from whom
it
was purchased,
or
an
authorized Servicenter
After the
tape cassette
is
inserted, the tape does not
move when the Play Button
is depressed.
als
the Power Cord correctly connected?
.
ls
the
Power Switch set to
the ''on
"
position?
Although the tape moves,
no
sound
is
heard.
ols
the tape blank?
.Are
the connections
of
amplilier and speakers correct?
.Are
connection
cords from this
unit
to
the
amplifier
correctly
connected?
.ls
the
volume control
of the connected amplifier set to the
correct position?
ols
the monitor
switch of the connected
amplifier
set to the
correct
position?
.Has
the noise reduction selector switch been set to
the
"dbx
disc" position?
3.
Sound is
distorted.
.ls
the
recording
level too high?
.ls
the
input
impedance
of the
connected
amplif ier
appropriate?
4.
The Record lndication
Lamp
does not illuminate
when
the Record Button is depressed.
.ls
the
tape cassette
inserted correctly?
.Have
the recording-prevention tabs
of the cassette been
removed?
5.
Tape moves, but no sound
can be
recorded.
.ls
the lnput
Seletor set to
the incorrect position?
6.
Playback sound is hoarse or vibrates.
Recorded sound
is not
clear.
oAre
the head surfaces dirty?
.ls
foreign material
adhered to
the
Pinch Roller and/or the
Capstan?
o
ls
the cassette tape too tightly wound?
oHas
the Tape Selector Switch been set to
the
correct
position to match the tape being playback?
o ls the Noise Reduction Switch set correctly
to
playback the
recorded
encoded material?
Accessories
StereoConnectionCord.....
2
*Noise
reduction system manufactured under
license from
Dolby Laboratories
SPECIFICATIONS
Track
system:
4-track 2-channel stereo recording
and
playback
Tape
Speed:
4.8 cm/s
(1*
ips)
Wow and
Flutter:
0
035% (WRMS)
Frequency
Response:
Metal
tape;
20-20,000H2
30-17,000
Hz
+3
dB
CrOz
tape;
20-19,000
Hz
30-16,000
Hz
+3
dB
Normal
tape;
20-
l7,000
Hz
30-
1
5,000
Hz
+3
dB
Dynamic
Range:
1
10
dB (at
1
kHz)
Max. lnput
Level:
I0
dB
or more improved with dbx
in
(at
1
kHz)
Signal-to-Noise
Ratio:
dbx in;
92 dB
(peak level
A
weighted)
Dolby NR in; 68
dB (above
5
kHz)
Dolby NR out;
58 dB
(signal level:peak
level
A
weighted,
CrOz
type tape)
Fast Forward and
'Rewind
Time:
Approx.
85
seconds with C-60
lnputs:
cassette tape
MIC; sensitivity 0
25
mV, input impedance
100k()
applicable microphone impedance
4000-10 ko
LINE; sensitivity
60
mV, input impedance
47
k0
LINE; output level 420
mV,
output impedance 2.5 kO or less,
load impedance 22 kA
ov
et
HEADPHONES; output level
125 mV,
load impedance
8O
Outputs:
Bias
Frequency:
85
kHz
Motor:
2-motor system
Heads:
1
-FG servo controlled direct-drive
DC
motor
'1
-DC motor for reel-table
drive
2-head system
1
-SX (Sendust Extra)
head
for
reclplayback
1
-sendust/ferrite
double-gap
head for erasure
AC
1
20 V.
50-60
Hz
Consumption:
40 W
Dimensions
43cmx9
7cmx35
0cm
(WxHxD):
(16f"x3f"x1sf")
Weight:
/kg (15
lbs 7 oz)
Specif
ications are subject
to
change without notice
Power
Bequirement:
Power
Notes:
olf
the Heads, Capstan or Pinch Roller
are
very dirty,
apply
a small
amount
of
tape head cleaner to the
Cotton
Swab.
.Don't
allow magnetic materials, such as a Screw-
driver
or a
magnet, near the Head Assembly
oWhen cleaning, be careful
not
to
bend the Tape
Guides
.Don't
attempt
to
clean the cabinet with
alcohol,
benzine
or
thinner,
because
it
may damage
the
f
in
ish.
lf
the cabinet
is dirty,
clean
it
with a soft
cloth
dampened with
a
soap-and-water solulion.
oHandle the window
(removed to facilitate
cleaning
of the Heads) with care, because it might break
if
dropped.
oWhen "Metal Tape"
is
used,
the
Head Assembly
should
be
cleaned
af
ter each
10
times
of
use
Panasonic Company
Division of
Matsushita Electric
Corporation
of America
One Panasonic Way, Secaucus,
New Jersey 07094
Panasonic
of
Hawaii,
!nc.
320
Waiakamilo
Road, Honolulu,
Hawaii
968.17
Printed
in Japan
ooT3013
FO281K1041