Minolta XG7 - Page 20

14
C. Preset mechanism
(Operation)
1.
Operation
of
the
release
magnet
causes
preset
operation
lever
(0523)
to
operate
in
the
direction
lever
(0523)
to
operate
in
the
direction
of
the
arrow.
Phen
preset
lever
(0532) and preset operation plate (5048) are operated in the direction of the arrow via
preset connector (5047). Thus the mirror is raised at the same time with stopdown
operation.
.
2.
The
rotation
of
preset
operation
plate
(5048)
is
transmitted
to
flywheel
(0542)
via
speed
increase
gear
(0541),
thus
controlling
the
entire
system.
(Returning)
1.
On
completion
of
the
second
curtain
running,
mirror
return
lever
lock
claw
(0522)
is
kicked
in
the
direction
of
the
arrow,
releasing
it
from
mirror
return
lever
(0524),
and
then
preset
operation
lever
(0523)
is
returned
along
with
mirror
return
lever
(0524)
by
the
function
of
mirror
return
spring
(5044),
and
also
preset
operation
plate
(5048)
is
returned
via
preset
connector
(5047),
thus
the
mirror
is
lowered.
2.
As
preset
connector
(5047)
operates,
preset
lever
(0532)
is
returned
by
preset
lever
spring
(5051)
in
the
direction
opposite
to
the
arrow,
then
the
diaphragm
is
released.
Pre-set
lever
spring
Pre-set
lever
(0532)
(3051)
Mirror return spring (5044)
Fly wheel (0542)
Pre-set operation
lever (0523)
Increase gear (0541)
Mirror return lever
lock claw (0522)
Pre-set operation plate (5048)
Pre-set counter
Mirror return lever (0524)
(5047)
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