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5.7
Feet
hold-down bracket if using the optional rack stand, is
MANDATORY in any installation. Ensure the strap is in
place during replacement of the projector's feet to prevent
the projector from tipping. Keep three of the projector's
feet on the table at all times!
(Estimated Replacement Time: 12 minutes average between
front and rear + 15 minutes for image adjustment)
1. Using a 19mm wrench, loosen the foot lock nut. (Figure 5-20)
2. Loosen the foot until it is no longer engaged in the baseplate.
Remove.
3. Replace feet repeating instructions in reverse. In some cases, the
displayed image will require some tweaking to display correctly.
5.8
Illumination Optics and Liquid Cooling Compartment
5.8.1 Cold Mirror
the edges only. Fingerprints left on the surface can negatively impact a displayed image.
The cold mirror is the first bend in the optical path within the IOS. It's easy to access and simple to replace.
(Estimated Replacement Time: 30 minutes + 30 minute calibration)
1. Remove the front top lid. Refer to
5.4.2 Front Top
2. Remove the light sensor module.
Refer to
5.8.6 Light Sensor Module.
3. Loosen the two, 2.5mm screws
from the bottom tab securing the
cold mirror.
4. From the other two tabs, loosen one
2.5mm screw from each and
remove one 2.5mm screw from
each. This allows the tabs to be swung out of the way without fully removing them. (Figure 5-24
Compartment, on page 5-17)
5. Wearing the clean, lint free gloves provided in the service kit, carefully slide the cold mirror out.
6. When replacing the cold mirror, repeat instructions in reverse. Make sure to place the cold mirror into the
holder with its reflective surface facing in. The reflective side will show no gap with its reflection when
an object is held at the surface; the non-reflective side will show a prominent gap. (Figure 5-21)
7. After installation, LampLOC
required.
D4K35 Service Manual
020-100817-01 Rev. 1 (04-2012)
Use of the projector's rear safety strap, or
Wear clean lint-free cotton gloves when handling the cold mirror and handle by
Lid.
alignment and Measured Color Gamut Data (MCGD) calibration is
™
Section 5: Parts and Module Replacement
Figure 5-21 Reflective vs. Non-Reflective Surfaces
19 mm wrench
Figure 5-20 Replace Feet
5-15
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