8-
6. MIRROR FUNCTION CHECK
CD
Apply
DC
l.5V to the mirror motor.
(fhe
red wire should be connected a positive terminal ( + ). )
Set
Bll
(Mirror drive lever) at the top end stroke
(@
).
- Mirror up condition
Cbe~k
the function of the mirror sheet by using a finger.
Keeping
away
the mirror
sheet
at the bottom end of stroke,
make sure that the mirror sheet returns to the top end position.
®Push
the lever of
GlOO
(b-1)
to
release the latch lever.
And push down the sliding lev
er
to the bottom end and let go
(b
- 2),
it
should return to the original top position by the spring tension.
@
Apply
DC
to
the
mirror motor, and check the movement strokes of
the mirror driving
(c-
1) and the shutter charge l
ever
(c-
2).
©
Apply
DC
to the min-or motor,
set
the hole of white gear as shown
in
the diagram in
(d
- 1)
and
set
the
position of the gear's hole as shown in the diagram
in
(d-
2).
- Wind completed condition
OK
@ At the wind completed condition, when pushing up
the
1st
and 2nd mirror each
to
approx. 3 mm and
let go, each mirror should return to the original position.
'k
Set
the Front housing block
to
the
wind
completed condition when installing the block to
the
main
urut
8- 7.
lST
AND
2ND MIRROR POSITION
( Required equipment
J Optical regulator for MEF
Mirror angle adjusting jig for 27250
CD
Set
the mirror housing block to the optical regulator.
* Make
sure
that the finder and related parts should be removed
from the housing block to check the 1st mirror position.
@ ( AdYConfinnation ] Make sure that a laser beam should be
seen
on
the
screen of optical regulator within the tolerance below.
Tolerance ... X-axis:
±
15
'
Y- axis:
±
5'
Adjust
Y-axis
of 1st and 2nd miiror positions to "ff by
moving the mirror seat receptacles
(B58).
@
As
shown in
the
diagram, when the Mirror angle adjusting jig is
set
on
BSS
(2nd)
the
Front housing, a laser beam can be seen near the 1
mm
hole of the jig.
( Attention!!!
J
Be
careful not to
look
laser beam directly to prevent your eyes from being trouble.
*
This
jig has a small amount of
play
fo
1wai
'd
and backward. Make sure that the jig is held
at
the
position indicated
by
the arrow (
.fl.
),
by
using tweezers
or
similar tool, when the beam position is
checked.
© ( Adjustment ] 2nd mirror position (fin adj.)
SPOT
BEA~
Move
B58
(for 2nd
mi1ror)
to
adjust the laser beam to
to the located at the center of the hole as shown in the
diagi-am
right
@ ( Confirmation ] Move the mirror seat
up
and down several times.
Make sure that the position of the laser beam stays the same.
@ After confumation is done, apply
super-
glue to two B58's.
Q·_~NG
(()
NG
27250
17
/2
4
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