ViewSonic PJ1000 Service Manual - Page 24

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7. Dust cleaning (1) Check dust condition 1. Show the white picture on the screen (whose size is 60") to check dust condition. 2. If dust condition is not good, should be clean the LCD module ass'y and the Air filter. (2) Clean the LCD module ass'y 1. Remove the LCD module ass'y. (Refer Item 6 - 2 2. Blow the air on both side of the LCD module by dust blower or air gun. 3. If dusts are still on, wipe it with the special glass cleaning cloth. 4. Fix the LCD module, and check dust condition. 5. If it is OK, adjust convergence. (see 4 - 3) (3) Clean the air filter 1. Remove the air filter from the bottom of the projector. (see Fig.7 - 1) 2. Wipe the air filter with a cloth moistend with water or neutral detergent, and wipe with a dry cloth. (1) Remove 1 screws. iv • L (2) Remove the air filter. • • • • • Fig.7 - 1 ViewSonic Corporation - 21 - Confidential - Do Not Copy PJ1000

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7.
Dust
cleaning
(1)
Check
dust
condition
1.
Show
the
white
picture
on
the
screen
(whose
size
is
60")
to
check
dust
condition.
2.
If
dust
condition
is
not
good,
should
be
clean
the
LCD
module
ass'y
and
the
Air
filter.
(2)
Clean
the
LCD
module
ass'y
1.
Remove
the
LCD
module
ass'y.
(Refer
Item
6
-
2
2.
Blow
the
air
on
both
side
of
the
LCD
module
by
dust
blower
or
air
gun.
3.
If
dusts
are
still
on,
wipe
it
with
the
special
glass
cleaning
cloth.
4.
Fix
the
LCD
module,
and
check
dust
condition.
5.
If
it is
OK,
adjust
convergence.
(see
4
-
3)
(3)
Clean
the
air
filter
1.
Remove
the
air
filter
from
the
bottom
of
the
projector.
(see
Fig.7
-
1)
2.
Wipe
the
air
filter
with
a
cloth
moistend
with
water
or
neutral
detergent,
and
wipe
with
a
dry
cloth.
iv
(1)
Remove
1
screws.
•
L
Fig.7
-
1
(2)
Remove
the
air
filter.
•
•
•
•
•
•
•
•
•
ViewSonic
Corporation
-
21
-
Confidential
-
Do
Not
Copy
PJ1000