Teac X-1000 - Capstan Motor Replacement

X1000M/X-1000
2-4 PAUSE POSITION ADJUSTMENT
1. Place the deck in the pause mode.
2. Adjust by turning the pause positioning nut so thatthe clearance
between the capstan shaft and the tape is 0.5mm to 1.0mm.
3. Of the two capstan shaft/pinch rollers, adjustment is allowable
only for the side having the narrower clearance.
4. Check that, by repetition of play mode to pause mode and stop
mode to pause mode, there is clearance at both sides.
Pause positioning nut
pressure stroke adjusting nut
Fig. 2-3 Pause position and pinch rolier pressure stroke adjustments
capstans
clearance clearance
tape
Figure shows X-1000M.
Fig. 2-4 Pause position adjustment
2-5 PINCH ROLLER PRESSURE STROKE
ADJUSTMENT
1. Set the deck in the play mode.
2. Adjust by turning the pressure stroke adj. nut (Fig. 2-3) so that
the clearance between the pin and the stopper cushion is about
1.0mm.
3.
Since
the
clearance
is
produced
at
one
side
(left
or
right),
adjust-
ment
for
this
side
only
is
permissible.
left capstar right capstan
left right
pinch roller pinch rofler
©
a 6
stopper cushions , :
about 1.0mm
Either the left or right should have a clearance of about 1.0mm.
Fig. 2-5
2-6 PINCH ROLLER PRESSURE MEASUREMENT
NOTES: 1. The explanation below applies to both the left and
right pinch rollers. :
2. Both pinch roller pressures are automatically set with
equal value.
1. Hold both the left and right tension arms in the upper positions
using rubber bands, string etc.
2. Set the deck in the play mode with no tape loaded.
3. Attach the spring scale to the pinch roller as shown in the figure.
4. Draw the pinch roller away from the capstan shaft (in the direc-
tion of a line intersecting the centers of the capstan shaft and the
pinch roller) until the capstan shaft and the pinch roller are se-
parated.
5. Return the scale back unti! the pinch roller just begins to turn.
The scale should then be reading as follow.
Reference value: 1.35kg to 1.9kg (3.0 Ibs to 4.2 Ibs)
6. If the reading is out of specification, replace defective part(s).
There are no adjustable parts.
capstan )
pinch roller \
\\
spring scale
Fig. 2-6
2-7 CAPSTAN MOTOR REPLACEMENT
. 1, When replacing the capstan motor, install as shown in illustra-
tion.
r
Not mounted
| on X-1000M