Hitachi CP-X270W, Руководство по обслуживанию

Страница: 10 / 59

-- 7 --
CP-X270W
4 - 4 - 1 PSIG G adjustment
(vertical stripe adjustment)
Signals for internal adjustment
43&white
96/255bit
Adjustment procedure
1. Make this adjustment after completing the
adjustment in 4-3 Flicker adjustment.
2. Use DAC-P - PSIG - G: in the Adjust menu to adjust
so that the vertical lines spaced every 6 dots are as
inconspicuous as possible.
4 - 4 - 2 PSIG B adjustment
(vertical stripe adjustment)
Signals for internal adjustment
30%
30%
48/255
bit
0/255
bit
Adjustment procedure
1. Use DAC-P - PSIG - B: in the Adjust menu to adjust
so that the vertical lines are as inconspicuous as
possible.
4 - 5 White balance adjustment
1. Perform these adjustments after the PSIG
adjustment described in Section 4-4.
2. First, adjust the G color.
3. Place the cursor on Slide Show in the Adjust menu
[A/D], press the [ ] key three times to display G
monochrome and adjust the illuminance at the
center of the screen. Make a note of the setting
(here assumed to be A [lx]). Press the MENU key
to return.
4. Adjust Gamma 86% and G: in the Adjust menu so
that illuminance (Y) at the center of the screen is
adjusted as follows.
Y = A x 0.712 40 [lx]
5. Adjust Gamma, 43% and G: in the Adjust menu so
that illuminance (Y) at the center of the screen is
adjusted as follows.
Y = A x 0.155 15 [lx]
6. Adjust Gamma, 29% and G: in the Adjust menu so
that illuminance (Y) at the center of the screen are
adjusted as follows.
Y = A x 0.064 5 [lx]
7. Adjust Gamma, 14% and G: in the Adjust menu so
that illuminance (Y) at the center of the screen is
adjusted as follows.
Y = A x 0.014 1 [lx]
8. Adjust Gamma 0% and G: in the Adjust menu so
that illuminance (Y) at the center of the screen is
adjusted as follows.
Y = A x 0.005 0.1 [lx]
9. Now, adjust the R and B colors.
10.Place the cursor on [A/D] - [SLIDE SHOW] in the
ADJUST menu and press the [ ] key once to
display a white screen. Then measure the color
coordinates at the center of the screen and take a
note of the setting (here assumed to be x1, y1).
Press the [MENU] key to return.
11.Adjust Gamma, 86%, R: and B: so that the color
coordinates (x, y) at the center of the screen take
on the following values.
x = (x1 - 0.005) 0.003
y = (y1 - 0.010) 0.005