2-Pole Magnet Adjustment; Green, Red And Blue Focus Adjustment - Sony KP-44PX3 Service Manual

4-5. 2-POLE MAGNET ADJUSTMENT

1. Receive the Dot signal and set PICTURE to 80%,
BRIGHTNESS to 50%.
2. Place the caps on the red and blue lens so that only the
green color is shown.
3. Turn the green focus VR on the focus pack to the right and
set to over focus to enlarge the spot.
4. Now align the 2-Pole Magnet so that the enlarged spot is in
the center of the just focus spot.
(center of the dot doesn't move)
5. Align the green focus VR and set for just (precise) focus.
6. Perform the same alignment for red and blue.
Use the center dot
4-6. 4-POLE MAGNET ADJUSTMENT
1. Receive the Dot signal and set PICTURE to 80%,
BRIGHTNESS to 50%.
2. Place the caps on the red and blue lens so that only the
green color is shown.
3. Turn the green focus VR on the focus pack to the left and
set to under focus to enlarge the spot.
4. Now align the 4-Pole Magnet so that the enlarged spot
becomes a perfect circle.
5. Perform the same alignment for red and blue.
Use the center dot
Fig. 4-6
NG OK NG
Fig. 4-7
4-7. GREEN, RED AND BLUE FOCUS
ADJUSTMENT
4-7-1. Green, Red and Blue Lens Focus
Adjustment
1. Receive the Monoscope signal and set PICTURE to
minimum BRIGHTNESS to 50%.
2. Place the caps on the red and blue lens so that only the
green color is shown.
3. Rotate the green lens and adjust to obtain the best lens
focus at the center area.
4. Fix lens screw.
5. Repeat above process for red and blue.
4-7-2. Green, Red and Blue Electrical Focus
Adjustment
1. Receive the Monoscope signal and set PICTURE to
minimum BRIGHTNESS to 50%.
2. Place the caps on the red and blue lens so that only the
green color is shown.
3. Rotate the green focus VR on the focus pack and adjust
to obtain the best electrical focus in all areas.
4. Repeat above process for red and blue.
Adjust Point : Circular Areas
– 22 –
KP-44PX3
Fig. 4-8
RM-945