Minolta XE - 7. Mirror Box System; A. Mirror Retaining System at 45°; B. Mirror Lifting and Lowering System; C. Signal Cancellation System for Shortage of Voltage of Power Source

7. Mirror Box System
oN Mirror Retaining System at 45°
Connection Plate remains free before or after the
film advancing operation. Mirror Operation Lever
will be pushed down in the direction of the arrow
mark. On the strength of Mirror Return Spring.
Mirror Holder, coupled with Mirror Operation Lever
(a), will be retained 2 Mirror Angle Adjusting Plates,
Mirror Angle Adjuster Plate and Mirror Stopper,
and mirror angle will be kept at 45°. (Fig. 1)
B. Mirror Lifting and Lowering
System
When Shutter Button is released, the engagement
(c) of Release Lever and Release Plate will be
released. Simultaneously with the movement of
Release Plate in the direction of the arrow mark,
Mirror Movirg Lever will move and (b) will push
up Connection Plate. Then Mirror Operation Lever
will move in the opposite direction to the arrow
mark, and (a) will lift up Mirror Holder. (Fig. 1)
When Last Blade closes following the operation of
Shutter, Mirror Moving Lever will become free.
Mirror Operation Lever will be pushed down in the
direction of the arrow mark on the strength of
Mirror Return Spring, and (a) will lower Mirror
@ Holder. (Fig. 1)
C. Signal Cancellation System for
Shortage of Voltage of Power
Source
When Shutter is released below a certain level of
the voltage of the power source, it won’t open and
First Blade and Last Blade and Last Blade will
run simultaneously. With a view to giving an alarm,
therefore, Signal Lever (c) won’t be released,
Mirror Operation Lever will be suspended by Mirror
Lock Lever (d), and Mirror Holder won’t come down.
When Shutter Speed Dial is positioned at B or X,
Signal Cancellation Lever will move in the direction
of the arrow mark, and (a) will push and move Mirr-
or Lock Lever (b) in the direction of the arrow
mark.
Then the engagement
Holder will come down.
Shutter System
ssf
(d) will be released, and Mirror
(Fig.2) (Refer to Electric
D. On-Off System of SW5
The movement of Connection Plate in the direction
of the arrow mark will enable Mirror Operation
Lever to move in the direction of the arrow mark,
(a) will also move Auxiliary Brake in the same
direction, and both SW5 and Magnet will be turned
on. Immediately before the completion of the lowe-
ring of Mirror Holder, Mirror Operation Lever (a)
will move Auxiliary Brake in the opposite direction
to the arrow mark, and both SW5 and Magnet will
be turned off.
(Fig. 3)
(Refer to SW.)
12
.
Mirror
angle
adjusting
Fig-1
plate
(0514)
Mirror angle adjuster plate (5131)
Mirror holder (0532)
Mirror angle
adjusting plate (0514)
Mirror operation |
lever (0550)
Connection
plate (5117)
Mirror moving lever
Release plate
Helease lever
- Mirror holder
Fig-2 :
Mirror lock lever (5135)
Mirror operation lever (0550)
LSignal lever
Fig-3
Mirror operation
lever (0550)
Connection
plate (5117) i
SW.5
Auxiliary brake (5146)