User Guide

AA23051
-* R.3248. A
Filter driving base plate, filter unit, TTL SPD unitl
See
pages D20 to D21
— Filter unit
Check:
Filter mirror holder moves by its own weight
when the front body is declined after
assembly.
— Filter driving base plate unit
Check:
Check to see if the filters are switchable
after assembly.
See
AF mode selector lever unit
See
lLens release button switchl
See
Check AF switch 1, AF switch
page D19.
page D19.
page D18.
2,
Check continuity of each switch
AF switch 1 (blue), and GND and
tester.
(1) AF switch inspection
lens release button switch
by”connecting GND (body) and
AF switch 2 (white) using a
I
AF switch 1 (blue) AF switch (white)
; mode
off
on
; mode
on
off
d mode I
off
I
off
Release SW
~—c GND(body)
,––__
“1
I
c1
j AF SW2 (white)
~ ~AF SWI (blue)
~_ _>_
M
_ J
Al? SW
(2)
Lens release button switch inspection
AF switch 1 and AF switch 2 turn off when the lens
release pin is within the range of 0.45 to 0.85 from
the bayonet ring.
Bayonet
— A37 —
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