Minolta XD - Page 8

4.
Shutter
Release
Mechanism
4-1. Shutter button stroke
0
Start
*
1.
In
mechanical
release
and
self
0.4
-—SW.5
ON
(indication
ON)
release,
main
switch
holder
0.75-—
Main
switch
holder
operation
stop
(1)
operation
is
stopped
at
this
1.0
F—SW.3
ON
(Magnetic
release
works)
position,
not
allowing
the
opera-
1.3
-—
Release
plate
stop
position
at
magnetic
tion
of
magnetic
release.
release
(2)
*
2.
Related
to
successive
photogra-
1.55+—
Exposure
prevention
(33)
phy
using
auto
winder.
1.95-—
Mechanical
release
position
%*
3.
Shutter
button
stop
position
2.1
F—
Self
release
position
(exposure
prevention)
during
2.6
“—
Stop
winding
in
mechanical
release.
(mm)
4-2.
Operational
description
of
magnetic
release.
1)
When
shutter
dial
is
set
to
X,
1~1000,
release
control
lever
is in the position as illustrated.
2)
When
shutter
button
is
pushed,
release
plate
is
shifted
down
and
then
main
switch
holder
rotates
in
the
direction
of
arrow
©.
©
When
release
plate
is
lowered
by
0.4mm,
SW.5
is
turned
ON, and lowered by 1mm, SW.3 ON.
3)
When
SW.3
is
turned
ON,
release
magnet
(mentioned
later)
|
contact
is
off
allowing
the
operation
of
MP
mechanism.
4)
When
shutter
button
is
further
depressed,
lowering
the
release
Shatter.
button
plate
by
1.3mm,
release
plate
is
stopped
by
the
bend
of
release control lever.
4-3.
Operational
description
of
mechanical
release.
1)
When
shutter
dial
is
set
to
B,
O,
release
control
lever
rotates
in
the
Release
control
lever
direction
of
arrow
@,
and
then
release
SW-.5
contact
plate
lowering
becomes
possible
over
Sw’
a’
contact
the entire stroke (2.6mm).
2)
When
release
plate
is
lowered
by
push-
Main
SW.
holder
ing
shutter
button,
SW.5
is
turned
ON
same
as
in
4-2,
but
main
SW.
holder
is
Self
start
levers
A,
B
:
Release
plate
stopped
by
release
control
lever
when
release
plate
is
lowered
by
0.75
mm.
©
Therefore,
SW.3
is
not
turned
ON.
Release
lever
3)
When
shutter
button
is
further
depre-
ssed,
lowering
the
release
plate
by
e
1.95
mm,
release
operation
lever
B
is
rotated
in
the
direction
of
arrow
@
via
release
operation
lever
A
being
interlocked
with
release
plate,
thus
Release operation lever A
pushing
up
release
lever
to
start
the
Releste
cperatios
fever
B
operation
of
MP
mechanism.
WSelf
start
lever
is
held
by
self
drive gear as illustrated.