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SECTION
3
WA-8000/8200
ADJUSTMENTS
3-1.
MECHANICAL
ADJUSTMENTS
PRECAUTION
1. Clean the following parts with a denatured alcohol
3. Do
not
use
a magnetized
screwdriver
for the
-moistened swab:
record/playback head
erase head
capstan
rubber belts
idlers
5
2. Demagnetize
the
record/playback
head
with
a
head
demagnetizer.
(Do not bring the head de-
magnetizer close to the erase head.)
Torque Measurement
pinch roller
4,
adjustments.
After the adjustments, apply suitable locking com-
pound to the parts adjusted.
. The
adjustments
should
be performed
with the
rated power supply voltage unless otherwise noted.
Torque meter
Meter reading
FWD
CQ-102C
FWD Back Tension
25 — 45 g-cm
(0.35 — 0.62 oz-inch)
2.5 — 4.5 g-cm
(0.04 — 0.06 oz-inch)
L
CQ-102RB
REV
REV Back Tension
~ ~ FF/CUE
REW/REVIEW
Tape Pulling Strength Measurement
CQ-201B
25 — 45 g-cm
(0.35 — 0.62 oz-inch)
2.5 — 4.5 g-cm
(0.04 — 0.06 0z- inch)
more than 90-g-cm
(1.25 0z-inch)
CQ403A
more than 70 g
(2.5 02)
CQ-403R
more than 70 g
(2.5 oz)
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