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.
.. .... . .
REMOVAL AND INSTALLATION
c. "O"
POINT ADJUSTMENT
-o- mm-r
M
49
&\
&
\\*
/6
"
y
\
\\.
IL
FOINIER
-\
-.
. ..-
." -.-4 . .
..
TAPE DECK ADJUSTMENTS
a. HEAD REPLACEMENT
. After replacement,
demagnetize
the heads by
using a degausser.
Be sure to clean the heads before attempting
.
. .
d.
ROD ANTENNA
TERMINAL
-.
d
II
to make any adjustments.'
All
wiring
should be returned
to the original position
after work is corn-pleted.
. .
,-.
Irisert the test tape ( MTT-111 N, etc., 3000 Hz ) into
tape deck.
Press tape deck PLAY button.
Adjust SVR so that the frequency
counter shows are
.3'
-.
.-
.:
..,,
b.
MOTOR
SPEED ADJUSTMENT
(1)
(2)
(3)
reading of 3,000 Hz.
d *
.
WHIT
Ow
w
14'#1
. .
. >.
, 7
TORQUES
AND TENSION
c. CHECKING
THE
.
Clean the head, capstan
and pinch roller before making any measurement.
Measurement
Take-up torque
Back tension
Tape tension
1
Cassette for
PLAY:TW-21 11A
Drive-power cassette
PLAY:TW-21 11A
measurement
F.FwD/REw:TW-2231
TW-2412
PLAY
30-60
gr.cm
2.0- 4.5 gr.cm
60gr or more
F.FWD
55-120
gr.cm
REW
55-120
gr.cm
-2-
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