Sony KP-41S5U - Manual (Page 20)

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KP-41S5/41S5B/41S5G/
41S5K/41S5R/41S5U
RM-862
3-5. DEFLECTION YOKE TILT ADJUSTMENT
1. Set to receive the Monoscope signal.
2. Set in service mode.
3. Place the caps on the red and blue lens so that only the green
color.
4. Loosen the deflection yoke setscrew and align the tilt of the
Deflection Yoke so that the bars at the center of the monoscope
pattern are horizontal.
5. After aligning the deflection yoke, fasten it securely to the
funnel-shaped portion (neck) of the CRT.
6. The tilt of the deflection yoke for red and Blue is aligned the
same as was done for green.
Fig. 3-6
3-6. 2-POLE MAGNET ADJUSTMENT
1. Set in service mode.
2. Set to receive the Dot signal.
3. Place the caps on the red and blue lens so that only the green
color is shown.
4. Turn the green VR on the focus block to the right and set to
overfocus to enlarge the spot.
5. Now align the 2-Pole Magnet so that the enlarged spot is in
the center of the Just Focus spot.
6. Align the green focus VR and set for just (precise) focus.
7. Perform the same alignment for red and blue.
Fig. 3-7
3-7. 4-POLE MAGNET ADJUSTMENT
1. Set in service mode.
2. Set to receive the Dot signal.
3. Place the caps on the red and blue lens so that only the green
color is shown.
4. Turn the green VR on the focus block to the left and set to
underfocus to enlarge the spot.
5. Now align the 4-Pole Magnet so that the enlarged spot be-
comes a perfect circle.
6. Perform the same alignment for red and blue.
NG OK NG
Fig. 3-8
3-8. DEFOCUS ADJUSTMENT (Blue)
1. Receive the Dot signal.
2. Place the caps on the red and green lens so that only the blue
color is shown.
3. Rotate the blue focus volume on the focus pack and adjust to
obtain best electrical focus.
4. Rotate Blue focus volume of focus pack clocwise, so that
diameter of the Dot see Caution.
[How to Blue defocus.]
÷
1
Just Focus
: 1.2
Fig. 3-9
[Change Blue Defocus]
Fig. 3-10
5mm Max.
Use the center dot
Use the center dot
Neck Assy
2-pole magnet
4-pole magnet
Deflection yoke
Anode cap
Deflection yoke should be as more close to
CRT as possible.