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Good service manual. I gat all I want. Copy is good, but could be better. All clear and useful. I sincerely recommend.
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The schematic is very helpful and the images are very good.The schematic is very helpful and the images are very good.The schematic is very helpful and the images are very good.The schematic is very helpful and the images are very good.The schematic is very helpful and the images are very good.The schematic is very helpful and the images are very good.
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Welcome. The scheme is clearly helped me to repair. Worth to download it.
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Excellent manual, very clear, technical specification provided, useful information regarding adjustment and set up.
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fast and easy and exactly what I was looking for. Not the cheapest but value for money after all.
AV-21PM
PURITY, CONVERGENCE ADJUSTMENT PURITY ADJUSTMENT
1. Demagnetize CRT with the demagnetizer.
WEDGE DEFLECTION YOKE
2. Loosen the retainer screw of the deflection yoke.
P
3. Remove the wedges. (Fig. 1.)
CRT
46
4. Input a green raster signal from the signal generator, and turn the screen to green raster.
P/C MAGNETS
5. Move the deflection yoke backward.
� P/C MAGNETS P : PURITY MAGNET 4 : 4 POLES (convergence magnets) 6 : 6 POLES (convergence magnets)
6. Bring the long lug of the purity magnets on the short lug and position them horizontally. (Fig. 2)
7. Adjust the gap between two lugs so that the green raster will come into the center of the screen. (Fig. 3)
Fig. 1
8. Move the deflection yoke forward, and fix the position of the deflection yoke so that the whole screen will become green.
Long lug
PURITY MAGNETS
9. Insert the wedge to the top side of the deflection yoke so that it will not move.
10. Input a cross-hatch signal.
Short lug Bring the long lug over the short lug
11. Verify that the screen is horizontal.
and position them horizontally.
Fig. 2 12. Input red and blue raster signals, and make sure that purity is properly adjusted.
(FRONT VIEW) GREEN RASTER
CENTER
Fig. 3
No. 56055
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$4.99 AV-21PM JVC Owner's Manual Complete owner's manual in digital format. The manual will be available for download as PDF file aft…
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