AV-4300
AV-5000
5. In case of R lens7. After all colors have been adjusted, display all colors with
Set the position where the chromatic aberration change fromthe cross -hatch pattern signal and compare the focus
orange to scarlet. As shown below, observe the vertical bright(optical focus) performance with the limit sample test.
line and adjust lens focus where the scarlet or orange
chromatic aberration slightly appears inside and scarlet or2.2 White Balance Adjustment
orange outside (reference value :1~3mm) at the point specified1. Screen adjustment
in table below .
2. High brightness white balance
Change the signal and fine -adjust in the same way as the G3. Low brightness balance
lens.
Screen adjustment VRsDrive adjustment VRs
Red: on FOCUS PACKRed: R873
Green : on FOCUS PACKGreen : R843
Blue: on FOCUS PACK
Adjustment Preparation
1. Start adjustment 20 minutes or more after the power is
turned ON.
2. The vertical incident illumination on the screen should be
20lux or less.
3. Set the video settings (contrast: max, others: center) to
OPTICAL FOCUSING ADJUSTMENT REDstandard condition.
ITEMUNIT4. For low brightness white balance adjustment, input a white
SCREEN SIZE50"43"INCHraster signal level of 0.300Vp-p (Video input level).
L1 AND L20.00.0CROSS5. For high brightness white balance adjustment, input a white
(PITCHES fromcentercenterHATCHraster signal level of 0.715Vp-p(Video input level).
CENTER)PITCHES6. Set the drive adjustment VRs (red and green) to 12-2
L--REFFERo'clock position.
sideTO7. Turn the screen adjustment VRs (red, green and blue) fully
COLORI**NOTEcounterclockwise.
ABERRATIONO****BELOW8. Set video advanced setting white control to COOL position.
NOTE : * Slightly orange or no colorAdjustment procedure
** Slightly scarlet or no color1. Go to VIDEO CHROMA ADJUST mode by pressing
6. In case of B lensTV/VIDEO and power button on Control Panel at the same
time.
Set the position where the chromatic aberration change from2. In "SERVICE" mode push the ['] button and screen turns
purple to green. As shown below, observe the vertical bright
line and adjust lens focus where the purple or green chromaticto black, Gradually turn the screen adjustment VRs (red,
green blue) clockwise and set them where the red, green
aberration slightly appears inside and purple or green outsideand blue slightly bright lines just appear evenly on the
(reference value: 1~3mm) at the points specified in table below.
Change the signal and fine -adjust in the same way as the Gscreen.
3. Push the ['] button again to return to Normal side.
lens.4. Press MENU button to exit VIDEO CHROMA ADJUST.
Select the input signal for high brightness (Video level
=0.715Vp-p).
5. Adjust the high brightness white balance using the drive
adjustment VRs (red, green).
6. Select the signal for low brightness (Video level = 0.300Vp-
p).
7. Adjust the low brightness white balance using the screen
adjustment VRs (red, green and blue).
8. Check that high brightness white balance is obtained, If it is
OPTICAL FOCUSING ADJUSTMENT BLUEdoes not, return to step (7).
ITEMUNITNOTE :
SCREEN SIZE50"43"INCHBefore adjusting the White Balance, check that the screen
adjustment VRs are turned fully counterclockwise. Since the
LI AND L20.00.0CROSS
(PITCHES fromcentercenterHATCHphosphorescent surface of the CRT is likely to be burned, be
CENTER)PITCHEScareful.
White balance = 10400K + 10 MPCD
L--REFFER
sideTOColor Coordinate = x : 0.276 / y : 0.293
COLORI**NOTE
ABERRATIONO****BELOW
NOTE : * Slightly purplish or no color
** Slightly greenish or no color
No. 5187623 |
ACEC
