Set-Up Adjustments; Beam Landing - Sony TRINITRON KV-XR29M61 Service Manual

Table of Contents

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The following adjustments should be made when a

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complete realignment is required or a new picture tube is

installed.

Set the controls as follows unless otherwise noted:

VIDEO MODE: .................................................... Standard

PICTURE CONTROL: ......................................... Normal

BRIGHTNESS CONTROL: ................................. Normal

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Preparation :

•

In order to reduce the influence of geomagnetism on

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the set's picture tube, face it east or west.

•

Switch on the set's power and degauss with the

degausser.

2-1. BEAM LANDING

PICTURE MODE: DYNAMIC

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1. Input a white signal with the pattern generator.

Contrast

}

normal

Brightness

2. Position neck assy as shown in Fig 2-1.

3. Set the pattern generator raster signal to a green

raster.

4. Move the deflection yoke to the rear and adjust with

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purity control so that the green is at the center and the

blue and the red take up equally sized areas on each

side. (Figures 2-2 through 2-4.)

5. Move the deflection yoke forward and adjust so that the

entire screen is green. (Figure 2-2.)

6. Switch the raster signal to blue, then to red and verify

the condition.

7. When the position of the deflection yoke have been

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decided, fasten the deflection yoke with the screws and

DY spacers.

8. If the beam does not land correctly in all the corners,

use a magnet to adjust it.

(Figure 2-5.)

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Neck assy

Align the edge of

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the neck assy with

the edge of the G2 grid.

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Fig. 2-1

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SECTION 2