Kowa K9L48B, Service Manual, Page: 58 / 60

GG-09001 Edition 1.3
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13-3 Adjustment of the black point glass unit
①
Remove the covers according to “5-2. Removing optical head cover”.
②
Remove cables from motor and sensor PCB, and then remove inner cover by loosening 2
screws.
③
Turn on the power switch and rotate “observation light intensity control knob” to maximum,
after connecting cables with motor and sensor PCB.
2 3
④
Put the model eye on chin rest, and then move the optical head unit to focus the illumination
light onto black surface at the model eye.
⑤
Insert the minus compensation lens by pressing “Diopter switch (-)”.
⑥
Rotate focusing knob to focus on the center spot in finder view.
4 5 6
⑦
Loosen two screws for fixing the black point glass unit.
⑧
Adjust the black point lens unit to hide the center spot, and then fix it by two screws.
⑨
Install inner cover and outer cover.
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Check the result by taking photos at each photographic modes.
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7 8
Cables
Screws
Black point glass unit