– 17 –
KP-FS57M31/M61/M90/M91
RM-997
3-5. 2-POLE MAGNET ADJUSTMENT
1. Receive the Dot signal.
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. Adjust the 2-Pole Magnet so that the bright spot should be
centered.
(center of the dot doesn't move)
5. Align the green focus VR and set for just (precise) focus.
6. Select Dynamic mode, turn BLUE FOCUS VR on the focus
pack to the left.
7. Confirm that right- end and left-end dot core are in center of
dot.
8. If cores are not in center, adjust blue 2 pole magnet as cores
are in center.
Fig. 3-7
3-7. 4-POLE MAGNET ADJUSTMENT
3-7-1. GREEN, RED Adjustment of 4-pole Magnets
1. Turn Grenn focus volume of focus pack clockwise.
2. By using 4 pole magnets make the spot size round.
3. Repeat for Red.
4. Turn focus pack counter-clockwise and "Just Focus"Red and
Green.
3-9. GREEN, RED AND BLUE FOCUS
ADJUSTMENT
3-9-1. Green, Red and Blue Lens Focus Adjustment
1. Input a cross hatch signal into VIDEO 1, composite video
input remote-commander.
2. Place a lens cover over Red and Blue lenses and project only
Green.
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.
3-9-2. Green and Red Dot/Hatch Electrical Focus
Adjustment
1. Input a cross hatch signal into VIDEO 1.
2. Project only Green.
3. Rotate the green focus volume on the focus pack and adjust
to obtain the best focus at the center screen.
4. Repeat above process for red.
Adjust Point center
Use the center dot
Adjust Point
Fig. 3-14
3-6. CENTERRING MAGNET ADJUSTMENT
1. Receive the SPCB signal.
2. Cover the both red and blue picture lenses with the lens caps
to show only the color.
3. Adjust the green centering magnet to put the center of the
SPCB signal to the center of the screen.
4. Adjust red centering magnet in the same way.
5. Adjust blue centering magnet in the same way.
3-8.
DEFOCUS ADJUSTMENT (BLUE)
1. Receive Crosshatch signal into video 1.
2. Select Hi-Fine mode.
3. Make Blue and Green signal.
4. Adjust Blue focus VR Turnning clockwise.
5. Make Blue dot vertical size is 1. 2times larger than Green dot
vertical size on the center of screen.
Fig. 3-12
Fig. 3-13
Focus VR
Counter
BLUE
GREEN
L
L x 1.2
Fig. 3-8
NG
OK
Left-end dot
(BLUE)
Right-end dot
(BLUE)
OK
NG
NG
Fig. 3-10
Use the center dot
OK
NG
NG
NG
NG
OR
OK
45
°
Fix
Rotate
Fig. 3-9
Fig. 3-11
3-7-2. Blue Adjustment of 4-pole Magnets
1. Receive video Dot Hatch signal (100IRE Dot)
2. Make Blue only signal.
3. Turn Blue focus volume of focus pack clockwise.
4. Set 4 pole Mg Tab angle 45°.
5. Rotate 4 pole Mg keeping Tab angle 45° make the spot shape
vertical ellipse.
