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Alignments and Adjustments
CPQ-C1786FNSL/T (FS7550/V7550)
4
9300
0
K color temperature setting
4-a Set Brightness to cutoff and Contrast to maximum.
4-b Move cursor on OSD to choose color temperature icon.
4-c With green block pattern, adjust G gain to get Y about 38FL.
4-d Adjust R.B. gain to get x=283±5, y=297±5; and Y=51±0.5FL
5 Full white ABL setting
CONDITION
Display image : full white pattern
5-a Set Brightness to cutoff and Contrast to maximum.
5-b Adjust ABL to Y=31FL ± 0.5FL.
5-c Check the white balance at 5FL and 30FL.
5-d. Repeat all the procedures in 5-2-2 section until the best white balance is obtained.
5-2-3 Focus Adjustment
CONDITION
Display image : me character pattern (68.68 kHz Mode)
PROCEDURE
1. Set brightness to cutoff and contrast to maximum.
2. Adjust focus 1 at T402 (static focus VR) to make vertical line clear.
3. Adjust focus 2 at T402 (static focus VR) to make horizontal line clear.
4. Repeat above procedures to get best focus.
5-2-4 Static Convergence Adjustments
Static convergence involves alignment of the red, blue and green lines in the center area of the display.
Note :
The monitor requires 30 minutes of warm-up time for convergence adjustment.
CONDITION
Display image : Crosshatch pattern
Warm-up Time : 30 minutes
PROCEDURE
1. Set brightness and contrast to display a well-defined pattern.
2. Ensure the convergence magnet rings are correctly positioned on the CRT.
Figure 5-1. Convergence Magnets on the CRT
+
8 7 6 5 4
3
2
1 0
1
1 1
C R T
F R O N T
P
9
1) Setup Bolt
2 ) B o w M a g n e t
3 ) B a n d
4) 2-Pole Magnet
5) Spacer
7) Spacer
9) Holder
6) 4-Pole Magnet
8) 6-Pole Magnet
1 1 ) T a b s
1 0 ) B a n d
