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(NOTE1)
Since the G light is very important for
picture quality and performance.
Pay special attention in its adjustment.
Note: Be careful not to touch the lens with
your fingers when adjusting.
(5) In case of R lens.
Set the position where the chromatic
aberration change from red to
crimson.
As shown below, observe the
vertical bright line and adjust lens
focus where the crimson or red
chromatic aberration slightly appears
inside and crimson or
red outside (reference value :
1~3mm) at the point specified in table
below.
Change the signal and fine-adjust in
the same way as the G lens.
OPTICAL FOCUSING ADJUSTMENT RED
LENS
HSA
SCREEN SIZE
43"
PITCHES from CENTER 6.0
SIDE
COLOR
I
ABERRATION
(2mmMAX)
0
(2mmMAX)
(NOTE)
* Slightly reddish or no color
** Slightly bluish or no color
(NOTE 2)
Setting to the center between Red and
crimson is optimum.
L
I
O
SCB
UNIT
50"
INCH
(7.0)
CROSS-
HATCH
PITCHES
*
*
*
*
REFER TO
(2mmMAX)
**
**
NOTE
(2mmMAX)
BELOW
(6) In case of B lens.
Set the position where the chromatic
aberration change from purple to
green.
As shown below, observe the vertical
bright line and adjust lens focus
where the
purple or green chromatic aberration
slightly appears inside and purple or
green
outside (reference value : 1~3mm) at
the point specified in table below.
Change the signal and fine-adjust in
the same way as the G lens.
O
OPTICAL FOCUSING ADJUSTMENT BLUE
LENS
HSA
SCREEN SIZE
43"
PITCHES from CENTER 6.0
SIDE
COLOR
I
ABERRATION
(2mmMAX)
0
(2mmMAX)
(NOTE)
* Slightly reddish or no color
** Slightly bluish or no color
(NOTE 3)
Setting to the center between purple and
green is optimum.
(7)
After all colors have been adjusted, display
all colors with the cross-hatch pattern
signal and compare the focus (optical focus)
performance with the limit sample
set.
(8)
Then, select the circle pattern signal and
compare the focus (optical focus)
performances of each color and all colors
together with the limit sample set.
(9)
If the focus performance is worse than the
limit sample set, re-adjust step (1) to (6).
L
I
SCB
UNIT
50"
INCH
(5.0)
CROSS-
HATCH
PITCHES
*
*
*
*
REFER TO
(2mmMAX)
**
**
NOTE
(2mmMAX)
BELOW
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