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WM-AF59/BF59
SECTION 4
ADJUSTMENTS
PRECAUTION
1.
Clean
the
following
parts
with
a denatured
alcohol-moistened swab:
playback head
rubber belts
capstan
idlers
pinch roller
2.
Demagnetize
the playback
head
with
a head
demagnetizer.
3.
Do not use
a magnetized
screwdriver
for the
adjustments.
4.
After the adjustments,
apply
suitable locking
compound to the parts adjusted.
5.
The adjustments
should
be performed
with the
rated
power
supply
voltage
(3.0V)
unless
otherwise noted.
Playback Head Height Adjustment
(Note on Playback Head Replacement)
tape guide
direction
2
~N
Ms
eS
<< oy
(FWD)
1. Turn the screw M2 x 5 so that the
~ By line
of HEAD GUIDE
becomes appraximately parallel
to the (A) — (A) line of TAPE GUIDE.
2. When there is a tape curl on HEAD
GUIDE @),
(By) using a mirror cassette, turn the screw M2 x 5
to eliminate the tape curl.
For example in the figure:
(ee curl marked
O is eliminated
by ay
clockwise the screw M2 x § (right).
3. Check in the REV mode by the same way as in the
FWD mode.
4-1.
MECHANICAL
ADJUSTMENT
Torque Measurement
25 to 55 g-cm
(0.35 to 0.76 oz-inch)
CQ-102C
FWD Back
1.5 to 4.5 g-cm
Tension
(0.02 to 0.06 oz-inch)
25 to 55 g-cm
(0.35 to 0.76 oz-inch)
CQ-102RC
REV Back
1.5 to 4.5 g-cm
Tension
(0.02 to 0.06 oz-inch)
76102)
vein
CQ-201B
(0.76 to 2.1 oz-inch)
Tape Pulling Force Measurement
55 to 150 g-cm
(0.76 to 2.1 oz-inch)
TEST TAPE
vee [Samet
aor
WS48A
| 3kHz,0dB
Tape Speed Adjustment
Pa A063 | aia cigs
(Co i
Adjustment
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