Sony KP-43T70C, KP-61SV70C Deflection Yoke Tilt Adjustment, Pole Magnet Adjustment GREEN,RED

3-5. DEFLECTION YOKE TILT ADJUSTMENT

1.Receive the Monoscope signal.

2.Set in service mode.

3.Set VPNT 29 GON to “001” 28 RON to “000” and 30 BON to “000” 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 in the mode VPNT 28 RON “001”, 29 GON “000”, 30 BON “000” on the service mode menu, and the tilt of the deflection yoke for biue is aligned with in the mode VPNT 28 RON “000”, 29 GON “000”, 30 BON “001” on the service menu, is aligned the same as was done for green.

	4-pole magnet
2-pole magnet	Deflection yoke

Anode cap

Fig. 3-6

3-6. 2-POLE MAGNET ADJUSTMENT

(GREEN,RED)

1.Receive the Dot signal.

2.Set in service mode.

3.Set VPNT 29 GON to “001” 28 RON to “000” and 30 BON to “000” to show only the green color.

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.

Use the center dot

Fig. 3-7

KP-43T70C/53SV70C/61SV70C

RM-Y906 RM-Y906 RM-Y906

3-7. 4-POLE MAGNET ADJUSTMENT

1.Receive the Dot signal.

2.Set in service mode.

3.Set VPNT 29 GON to “001” 28 RON to “000” and 30 BON to “000” to show only the green color.

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 becomes a perfect circle for green and red.

6.Perform the same alignment for blue.

Use the center dot

x

/ y

x : y = 1:1.5 (BIue)

x : y = 1:1 (Green, Red)

Fig. 3-8

3-8. DEFOCUS ADJUSTMENT (BLUE)

1.Select the video menu and set the mode to “Vivid” mode.

2.Set to the service mode.

3.Change TV mode to the video input mode.

4.Set to PJE, and press 6 to display the test signal (dots) on the screen.

5.Turn the blue VR on the focus block to adjust to the diameter of the dots as shown in the figure below.

[Focus adjustment point]

			Lmm Max
Inch	48"	53"		61"
L	7	8		9

Fig. 3-9

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