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Section 2: Service Guidelines
Components
Illumination System, internal
lenses/prisms
Light Engine components
Light Engine, DMD panels
Projection Lens
2-10
Preventative Measures
NEVER touch or blow on interior compo-
nents. Wear gloves (supplied). NOTE: Nor-
mally the internal parts should not be
accessed.
NEVER touch or blow on components. Use
gloves.
NEVER touch or blow on the panels.
To avoid the risk of scratching the lens, only
clean the lenses if absolutely required. A
small amount of dust on the lenses will have
very little effect on picture quality. The pro-
jection lens should be free of dust and fin-
gerprints. If the lenses must be cleaned, use
a DRY soft cotton cloth. Rub gently in a cir-
cular motion.
Cleaning Technique
Blow off particles with clean, dry de-ionized air.
Then, if necessary, wipe in a single direction
with a clean high quality optical cloth.
Blow off particles with clean, dry de-ionized air.
If necessary, use a split Q-tip with pure isopro-
pyl alcohol on the glass surface. NEVER touch
the imaging panels. Note that the green imaging
panel has a glass behind it as well.
Blow off particles with clean, dry de-ionized air.
Use filtered compressed air to blow out dust.
Remove fingerprints or dirt with Melles Griot
Cleaning Fluid 18LAB011(or equivalent) and a
clean lint-free cloth.
020-100817-01 Rev. 1 (04-2012)
D4K35 Service Manual
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