SECTION 3
SET-UP ADJUSTMENTS
The following adjustments should be made when | Perform the adjustments in order as follows: | ||
a complete realignment is required or when a new | 1. | Beam Landing | |
picture tube is installed. | 2. | Convergence | |
These adjustments should be performed with rated | 3. | Focus | |
4. | Screen (G2) | ||
power supply voltage unless otherwise noted. | |||
5. | White Balance | ||
Set the controls as follows unless otherwise noted: | |||
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VIDEO MODE: STANDARD | Note: Test equipment required: | ||
• | Color Bar Pattern Generator | ||
PICTURE control: ................ Normal | |||
BRIGHTNESS control: ........ Normal | • | Degausser | |
| • DC Power Supply | ||
| • | Digital Multimeter | |
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| 5. Move the deflection yoke forward and adjust so that the entire | ||
Before beginning adjustment procedure: | screen becomes green. | ||
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1. Degauss the entire screen. |
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2. Feed in the white pattern signal. |
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Adjustment Procedure
1.Input a raster signal with the pattern generator.
2.Loosen the deflection yoke mounting screw and set the purity control to the center as shown below.
Purity Control
6. Switch over the raster signal to red and blue and confirm | |||||
| the condition. |
| correctsPurity controlthisarea | ||
7. | magnets. |
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When the position of the defl | tion yoke is determined, | ||||
| tighten it with the deflection yoke m unting screw. | ||||
8. | If landing at the corner is n right, adjust by using the disk | ||||
control so that green is in the center and red and blue are | c | d | |||
3. Turn the raster signal of the pattern generator to green. |
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| Deflectionyokepositioning | ||
Blue Red |
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| correctstheseareas | |
4. Move the deflection yoke backward and adjust the purity |
| orDiskrotatablemagnetsdik | a | b | |
at the sides evenly. |
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| ca |
Green |
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