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2. Reverse Play Mode
Then,
the gear (k) on
the cam
gear ass'y (48)
This
chapter
describes
reverse
play
immediately
after
4)
the half-mounting of the cassette. (The head faces forward.)
meshes with the gear on the flywheel ass'y (9A)
1) When the reverse play button is pressed, electricity
and the latter starts rotating. (See Fig. 6.)
is supplied to the main motor ass'y (1A) as in for-
5)
As the operation described in 3) above is performed,
ward
play mode
and the R.H. and L.H. flywheel
the cam
lock ass'y lever (56) rotates the reverse
assemblies (QA) and (9B) start rotating.
lever (57) counterclockwise. The voltage is applied
2) At the same time, voltage e1 shown in the figure
to the solenoid (L2) for the time t1 and then is
below is applied to the solenoid (L2) for the time
turned off for the time t2. As a result, the cam lock
tl. The iron core of the solenoid (L2) is attracted
ass'y lever (56) is returned to the original position
and the cam lock ass'y lever (56) rotates clockwise,
by the coiled spring (53). Also, the reverse lever
as shown in Fig. 6.
(57) is returned
to the original position by the
coiled spring (50). (See Fig. 16.)
¢
Ze
6)
When
the
reverse
lever (57)
is returned
to the
;
&
original position, the boss (d) of the cam gear ass'y
2 el
(48)
is forced
against the reverse
lever (57) to
3
rotate the reverse lever (57) in the direction of the
2 62
arrow (D) shown in Fig. 17.
a
&
(Fig. 15 shows the relative positions of the boss
i
Fy
t
T (time)
(d) of the cam gear assembly
(48), reverse lever
3
Stop __ {tt
2)
Hold
(57), and cam lock ass'y lever (56) in forward play
Attraction
Head reversed
mode. The boss (d) passes above (57) and (56).)
3)
As in forward play mode, the boss (a) of the cam
7)
As the reverse lever (57) rotates in the direction of
the arrow
(D), it moves
the reverse slider
(46)
in the direction ""E", as seen in Fig. 16.
lock ass'y
lever
(56) kicks the external wall
(b)
of the cam gear ass'y (48) to rotate the cam gear
ass'y (48) a little in the direction of the arrow
shown in Fig. 7.
Cam gear ass'y (48)
Cam gear ass'y (48)
Reverse lever (57)
lever (56)
When the solenoid (L2) is on, the boss (d) of the cam
gear ass'y (48) passes the end of the reverse lever (57)
and the mechanism gets ready for forward play.
f_|\
Cam gear ass'y (48)
Fig. 14
Fig. 15
Solenoid (L2)
Cam gear ass'y (48)
a,
Reverse lever pulling
4, coiled spring (50)
Cam lock pulling
coiled spring (53)
| Reverse (1)
When the solenoid (L2) is off, the boss (d) of the cam
gear ass'y (48) is forced to the end of the reverse lever
(57) and the mechanism gets ready for reverse play.
Reverse slider (46)
Fig. 16
Fig. 17
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