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The service manuel is very helpful, we where able to restore the device to its working operation again.
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Great quality complete service manual!!! complete parts list and drawings
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Again a great job. I never been disilluted from them! Clear scheme, complete and very good for repairing!
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Great manual just what I needed, great service as always, thanks.
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Great quality complete service manual! complete parts list and drawings. Thanks!
AV-27GFH
PURITY, CONVERGENCE
PURITY ADJUSTMENT
1. Demagnetize CRT with the demagnetizer.
WEDGE DEFLECTION YOKE
P
2. Loosen the retainer screw of the deflection yoke.
3. Remove the wedges.
CRT
4. Input a green raster signal from the signal generator, and turn the screen to green raster. 5. Move the deflection yoke backward.
46
P/C MAGNETS
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)
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.
9. Insert the wedge to the top side of the deflection yoke so that it will not move.
PURITY MAGNETS
10. Input a crosshatch signal.
Long lug
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
(FRONT VIEW )
GREEN RASTER
CENTER
Fig.3
No. 51806
29
 $4.99 AV-32115 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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