[Adjust] Positioning 0-J100 - Pentax K100D Service Manual

17. [Adjustment] Positioning 0-J100
[Required equipment] Penlight or equivalent
*Confirm that the mirror seat is downed condition.
(1)Cover the eyepiece with a hand or black tape.
(2)Positioning the penlight to the photo sensor as shown
in the figure right, and search the position where the
pattern of the photo sensor can be seen on the 1
from the mount ring side.
[Ref.] Attaching brighter lens is advisable to assist better
visibility. (Ex.: FA 50mm f/1.4 Lens)
(3)The photo sensor must be positioned at the center of AF frame and there is no inclination as shown in the
figure below.
AF frame for spot metering (φ2.5)
(4) [Adjustment] Loosen the screw a little, move M10 (eccentricscrew) to left side. Turn M10 to adjust
height of left side, move 0-J100 to adjust whole position (height and inclination)
Tighten screw and ensure position is not changed.
(5) After adjustment is completed, apply the dia bond to 0-J100 (2 places) and M10 as
shown in the figure.
st
mirror
Photosensor (0-J100)
(5) Bond
J100
(4) ADJ.
76700 -49/94-
Center position of sensor
Tolerance:0.25～0.85mm
Center position of Viewfinder
(5)
M10
SL
Pen-light
Sensor
1 Mirror
st