JVC UX-A4 - Head mount assembly (A); Pinch roller assembly; Capstan motor and Flywheel

UX-A4 B/E/G/GI/EN |
_=
4
Head mount assembly {A] (Fig. 7-20, 7-21)
Remove three screws (13) retaining the head mount
assembly (A) from the chassis base assembly.
Note: After replacing the head mount assembly, make sure
to adjust the azimuth screw (46).
Pinch roller assembly (Fig. 7-22)
. Expand the pawl {A} retaining the pinch roller assembly
(27} on the right side in the direction of the arrow while
pulling out the pinch rolier assembly upwards.
. In the same manner as above, expand the pawl retaining
the pinch roller assembly {28} on the left side to remove
the left pinch roller assembly. (Fig. 7-20, too}
Capstan motor and Flywheel (Fig. 7-24 through 7-26}
. Place the cassette mechanism upside down to expose the
bottom. (Fig. 7-24)
. Remove three screws (37) retaining the FR bracket
assembly from the chassis base. (Fig. 7-24)
. Expand two pawis (8, C} retaining the FR bracket assembly
in the direction of the arrow to remove theem. (Fig. 7-24}
. Remove the FR bracket assembly.
. Remove two screws (34) retaining the capstan motor (32)
from the FR bracket assembly. (Fig. 7-23)
. Disengage the belt (38) and pull out the flywheels (19, 20).
{Fig. 7-25, 7-26)
Note: When disengaging the belt, carefully do it not to
stain it with oil, etc.
For reengaging the belt, refer to Fig. 7-26.
Motor pulley
oS eS
we.
y ;
Fig. 7-24
36 (No. 1890}
REC/PB head
Erase head
46
Head mount ass’y (A)
13
Fig. 7-21
Chassis base ass'y
Fig. 7-22
7 FR bracket ass'y