OPTICAL FOCUSING ADJUSTMENT GREEN(5) In case of R lens. Set the position where the
chromatic aberration changes from red to
crimson. As shown below, observe the vertical
bright line and adjust lens focus where theCHASSISDP17DP14G
SCREEN SIZE6153435361
L1 and L2crimson or red chromatic aberration slightly
(PITCHES from CENTER)0.00.03.03.03.0appears inside, and crimson or red outside
BETWEEN
(reference value : 1~4mm) at the point specifiedL1&L2*** ***
COLOR*******in table below. Change the signal and fine-
ABERRATIONI2.5mm MAX 2.5mm MAX 3.0mm MAX 2.5mm MAX 2.0mm MAXadjust the same way as the G lens.
**** ****
O2.5mm MAX 2.5mm MAX 3.0mm MAX 3.0mm MAX 2.0mm MAX
(NOTE)* Slightly reddish or no colorL
** Slightly reddish or no color
Change the signal to the circle pattern and fine
adjust. Observe the corner part of the screen,
especially observe number in the small circle
when adjusting. If the focus performance at the
screen center exceeds the lower limit, it is
acceptable.
IO
NOTE:Setting the center between Red and crimson
is optimum.
OPTICAL FOCUSING ADJUSTMENT RED
CHASSISDP17DP14G
SCREEN SIZE6153435361
L1 and L2
(PITCHES from CENTER)0.03.03.04.04.0
BETWEEN
L1&L2-* ***
COLOR*****
ABERRATIONI2.5mm MAX 2.5mm MAX 3.5mm MAX 3.0mm MAX 2.0mm MAX
**** ****
O2.5mm MAX 2.5mm MAX 3.5mm MAX 3.0mm MAX 2.0mm MAX
Small circle of circle pattern(NOTE)* Slightly reddish or no color
** Slightly reddish or no color
NOTES: 1. Since the G light is very important for
picture quality and performance, pay
special attention in its adjustment.(6) In case of B lens. Set the position where the
2. Be careful not to touch the lens with yourchromatic aberration changes from purple to
fingers when adjusting.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 : 1~4mm) at the point specified
in table below. Change the signal and fine-
adjust in the same way as the G lens.
43 |
ACEC
HITACHI
