Nikon One-Touch Zoom 90s One-Touch Zoom 90s AF Quartz Date Repair Manual page 52

Item
AF AF focusing function
performance
Infinity photography
Beam irradiation
position
AF distance
measurement accuracy
AF no-signal control
Lens barrel operation ·The lens barrel must not operate by self-weight
Lens barrel
unit
Lens cover
Play of lens barrel
Standard of judgment
·W/M/T
There must be 33 frames or more and each
of them must be 20.0 dots/mm or more.
There must be 3 frames or more and each
of them must be 8.0 dots/mm or less.
Distance from the inner rail surface to the
object
0.8 ～ 3.5m:
You must take a picture every 10cm.
3.8m/4.0 ～ 7.0m:
You must take a picture every 50cm till
total 36 pictures are taken.
Brightness of chart surface: LV9
Speed light mode: Flash prohibition
·There must be no extreme defocus.
15 dots/mm or more in AF infinitiy
20 dots/mm or more in forced infinity
Take a picture of distant view in the forced
infinity mode and AUTO.
In T/M/W, when the external light has the
same brightness as the speed light
luminance, cover the camera metering
unit, set aperture to "full" and take a
picture.
·The center of AF beam must be within the
specified chart range.
Let the camera face the specified chart
from 1m distance and press the release
button lightly.
·There must be no step deviation.
(±1 step in Bv ≦ 7)
Check the distance measurement length
and AF step in a special mode.
·The camera must be positioned at AF
infinity.
Shield the light emitting unit, let the light
source "A" face the light receiving unit and
check at Bv ≦ 7.
at each position.Set the zoom at each step, grasp
and lift the lens barrel.Set the zoom at each
step and put the camera on a ground with its lens
barrel at the bottom.
·The lens barrel must move forward properly.
Measure the forward moving quantity of the lens
barrel at each step.
·The lens cover must be opened and closed
smoothly.
It must not be caught halfway.
Press the main switch button, move the lens
barrel from the push-in position to the W end
position and then return it to the push-in posi-
tion.
·Twist thrust must be 0.3mm or less.
Twist the end of lens barrel at T end.
·The end flapping must be 0.5mm or less.
Add the flapping load, 100gf.
- R2 • One Touch Zoom 90s AF -
FCA54001-R.3567.A
Method and tools
Neopan SS
Oxford gray
No.22
Wavelength: 880nm
Reflectance: 35±5%
Powersupply (1)
Fuji SG-100
Infrared rays
camera/Monitor
Target mark
Sheet Camera
Fixing jig and
tool
Visual check
Visual check
Special gauge