Samsung Q1433 Service Manual download pdf (Page 32)

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3-5. DEFLECTION YOKE TILT ADJUSTMENT

1. Set to receive the Monoscope signal.

2. Set in service mode.

3. Use VP on the service mode menu to show only the green

color.

4. Loosen the deflection yoke set screw 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 is aligned with RG-RH

on the service mode menu, and the tilt on the deflection yoke

for biue is aligned with RG-BH on the service menu, is aligned

the same as was done for green.

3-7. 4-POLE MAGNET ADJUSTMENT

1. Set in service mode.

2. Set to receive the Dot signal.

3. Remove CN302 connector for A board

4. Place the caps on the red and blue lens so that only the green

color is shown.

5. Turn the green VR on the focus block to the left and set to

underfocus to enlarge the spot.

6. Now align the 4-Pole Magnet so that the enlarged spot be-

comes a perfect circle.

7. Perform the same alignment for red and blue.

3-8. DEFOCUS ADJUSTMENT (Blue)

1. Receive the crosshatch signal

2. Adjust the FOCUS knob so that the crosshatch pattern verti-

cal line width is as in the figure on the right.

3. Blue only defocus Adjustment.

Fig. 3-6

Neck Assy

2-pole magnet

4-pole magnet

Deflection yoke

Anode cap

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

Use the center dot

Fig. 3-8

[Focus adjustment point]

x : y = 1:1

41” : 9–11mm

53” : 13–16mm

61” : 13–16mm

Fig. 3-9

1 2 ... 27 28 29 30 31 32 33 34 35 36 37 ... 87 88

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Samsung Q1433 Service Manual Page 32

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