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Excellent manual. In addition to the information I needed was a complete description of both electronic and mechanical devices.
Excellent site.
Thank you very much.
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very good and complete manual , it is in english and german is perfect for repair.
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This manual is complete and of high quality. I am very pleased with the purchase.
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Another excellent buy! A fully readable PDF archive. Good prints!!
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It is wonderful done!!! a great job in scanning the manual. Superior quality in all the electric scheme. Very understandable and net!!! Thank you!
AV-20D303
ADJUSTMENT OF PURITY / CONVERGENCE
PURITY ADJUSTMENT
1. Demagnetize CRT with the demagnetizer.
W EDGE DEF LECT ION YOKE
P
2. Loosen the retainer screw of the deflec tion yoke.
3. Remove the wedges.
CR T
4. Input a green raster signal from the signal generator, and turn the screen to green raster.
46
5. Move the deflection yoke backward.
P/C MAGNET S
6. Bring the long lug of the purity magnets on the short lug and position them horizontally. (Fig.2)
# P/C MAGNETS P : PURITY MAGNET 4 : 4 POLES (convergence magnets) 6 : 6 POLES (convergence magnets) Fig.1
7. Adjust the gap between two lugs so that the GREEN RASTER will come into the c enter of the screen. (Fig.3)
8. Move the deflection yoke forward, and fix the pos ition of the deflection yoke so that the whole screen will bec ome green.
9. Ins ert the wedge to the top side of the deflection yoke so that it will not move. 10. Input a cross hatch signal.
Long lug
PURIT Y MAGNET S
11. Verify that the screen is horizontal.
Short lug
12. Input red and blue raster signals, and make sure that purity is properly adjusted.
Bring the long lug over the short lug and position them horizontally.
Fig.2
(F RONT VIEW )
GREEN RASTER
CEN TER
Fig.3
26
No. 51939
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