ViewSonic PJL1035 Service Manual - Page 11

L1035-2, Before, adjusting., minutes

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PJL1035-2 4. Adjustment 4 -1 Before adjusting. 4-1-1 ADJUSTMENT menu. The ADJUSTMENT menu is needed at all adjust- ments. How to set up ADJUSTMENT menu follow these; a.Push the MENU button. b.Keep the RESET button pushing for a several seconds while the PICTURE menu is displayed. Note: All parameters used in these adjustment are printed in boldface as shown in Fig.4-2-a and Fig.4-2-b. VIDEO GAMMA DAC_P S/H AIR-ROW SUB-BRIGHT SUB-CONTRAST WI-TE-POSI BLACK2-POSI V. COM C.UNIFORMITY ADJUSTMENT menu PICTURE menu Fig.4-1 ADJUSTMENT menu VIDEO GAMMA DAC_P S/H TiMING GHOST SUE) POS1 Fig 4-2-a Parameters in the DAC_P of the ADJUSTMENT menu. 4-1-2 Selection of adjustment. When any parts in the table 4-1 is changed, choose the profer adjusting items with the chart. Keep the adjusting order, from upper to lower in it. For example, adjust "White balance" firstly and 'Ghost" next at replacement of the PWB ass'y color. Fig 4-2-b Parameters in the S/H of the ADJUSTMENT menu. Table 4-1 : Relation between the replaced part and adjustment. Adjustment Replaced part P.O.filter (Chap.4-2) White balance (Chap.4-3) Ghost (Chap.4-4) Dichroic optics unit Yes No No LCD/LENS prism ass'y Yes Yes Yes PWB ass'y drive No Yes Yes PWB ass'y color No Yes No "Yes" means need for adjustment, "No" means no need for adjustment. 4-1-3 Setting of condition before adjustment. 1. Apply heat-running for 10 minutes or more before adjustment. 2. Project 40 inches size image with zoom set to the widest. 3. Press the RESET button on the remote controller to set picture adjustment to NORMAL. 4. Use a darkroom whose luminance is less than 2[Ix]. ViewSonic Corporation : Confidential - Do Not Copy

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PJ
L1035-2
4.
Adjustment
4
-1
Before
adjusting.
4-1-1
ADJUSTMENT
menu.
The
ADJUSTMENT
menu
is
needed
at
all
adjust-
ments.
How
to
set
up
ADJUSTMENT
menu
follow
these;
a.
Push
the
MENU
button.
b.Keep
the
RESET
button
pushing
for
a
several
seconds
while
the
PICTURE
menu
is
displayed.
Note:
All
parameters
used
in
these
adjustment
are
printed
in
boldface
as
shown
in
Fig.4-2-a
and
Fig.4-2-b.
VIDEO
GAMMA
AIR
-ROW
SUB
-BRIGHT
SUB
-CONTRAST
WI-TE-POSI
BLACK2-POSI
V.
COM
C.UNIFORMITY
DAC_P
S/H
Fig
4-2-a
Parameters
in
the
DAC_P
of
the
ADJUSTMENT
menu.
4-1-2
Selection
of
adjustment.
When
any
parts
in
the
table
4-1
is
changed,
choose
the
profer
adjusting
items
with
the
chart.
Keep
the
adjusting
order,
from
upper
to
lower
in
it.
For
example,
adjust
"White
balance"
firstly
and
'Ghost"
next
at
replacement
of
the
PWB
ass'y
color.
ADJUSTMENT
menu
PICTURE
menu
Fig.4-1
ADJUSTMENT
menu
VIDEO
GAMMA
DAC_P
TiMING
GHOST
SUE)
POS1
S/H
Fig
4-2-b
Parameters
in
the
S/H
of
the
ADJUSTMENT
menu.
Table
4-1
:
Relation
between
the
replaced
part
and
adjustment.
Replaced
part
Adjustment
P.O.filter
(Chap.4-2)
White
balance
(Chap.4-3)
Ghost
(Chap.4-4)
Dichroic
optics
unit
Yes
No
No
LCD/LENS
prism
ass'y
Yes
Yes
Yes
PWB
ass'y
drive
No
Yes
Yes
PWB
ass'y
color
No
Yes
No
"Yes"
means
need
for
adjustment,
"No"
means
no
need
for
adjustment.
4-1-3
Setting
of
condition
before
adjustment.
1.
Apply
heat
-running
for
10
minutes
or
more
before
3.
Press
the
RESET
button
on
the
remote
controller
to
adjustment.
set
picture
adjustment
to
NORMAL.
2.
Project
40
inches
size
image
with
zoom
set
to
the
4.
Use
a
darkroom
whose
luminance
is
less
than
2[Ix].
widest.
ViewSonic
Corporation
:
Confidential
-
Do
Not
Copy