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3-d
Adjust R.B. gain to get x=283±5, y=297±5; and Y=43±0.5FL
4 Full white ABL setting
CONDITION
Display image : full white pattern
4-a
Set Brightness to cutoff Y=0.06FL and Contrast to maximum.
4-b. Adjust ABL to Y=31.9FL ± 0.5FL.
4-c. Check the white balance at 5FL and 28FL.
4-d. Repeat all the procedures in 4-2-2 section until the best white balance is obtained.
4-2-3 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.
4-2-4 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.
1) Setup Bolt
5) Spacer
9) Holder
Page 16
Figure 4-1. Convergence Magnets on the CRT
1
11
10
2) Bow Magnet
6) 4-Pole Magnet
10) Band
+
CRT
FRONT
9
8 76 5 4 3 2
3) Band
4) 2-Pole Magnet
7) Spacer
8) 6-Pole Magnet
11) Tabs
HP mx703/m703
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