Panasonic CT-32SX31UE, CT-36SX31CE, CT-36SX31UE, CT-36SX31E Service Adjustments Electronic Controls

Service Adjustments (Electronic Controls, cont.)

Horizontal Centering (D00)

This Adjustment helps to center the picture horizontally

Preparation:

Connect a monoscope pattern signal.

Procedure:

1.In the Serviceman Mode for making electronic adjustments. Select the Horizontal Centering Adjustment DAC (D00) and adjust until the center of the monoscope pattern is centered on CRT.

2.EXIT the Serviceman Adjustment Mode.

E-W PCC Adjustment (D0C)

This adjustmet helps to correct left and right sides of picture.

Preparation:

1.Apply a Crosshatch pattern

2.Normalize the Picture Icon Video adjustments.

Procedure:

1.Adjust “D0C” DATA so that the 1st line and 3rd line make a good balance (See Fig. 32).

Min. Adjustment Correct Adjustment Max. Adjustment

Figure 32. E-W PCC Adjustment

Corner PCC Adjustment (D0B)

Preparation:

1.Apply a Crosshatch pattern

2.Normalize the Picture Icon Video adjustments.

Procedure:

1.To adjust upper and lower linearity.

2.Adjust “D0B” to straighten upper and lower lines (See Fig. 33)

Min. Adjustment Correct Adjustment Max. Adjustment

Figure 33. Corner Adjustment

H-Size Adjustment (D0D)

Preparation:

1.Apply a Monoscope pattern

Procedure:

1.Adjust “D0D” DATA so that width “A” and “B” becomes 5.00±0.40 (when using factory pattern)

(See Fig. 34).

4 4

A			B
4			4
6 5 4	3	2	1

5.00

Figure 34. H-Size Adjustment

Note: When using a different pattern, correlate with factory pattern.

V-Size and V-Position Adjustment (D01 & D06)

Preparation:

1. Apply a Crosshatch pattern.

Procedure:

1.Apply a monoscope pattern.

2.Enter Serviceman Mode

3.Adjust (D06) to center the picture to the marks on the CRT.

4.Adjust (D01) to make circle of monoscope pattern a round circle.

V-Linearity Adjustment (D03)

Preparation:

1. Apply a Crosshatch pattern

Procedure:

1.Enter Serviceman Mode, Adjust linearity data “D03” so that interval of “a” is same as “b” (a=b). (See Fig. 35)

a=b

a

b

Figure 35. Linearity adjustment

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