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Thanks for offering this item at such a good price. Proved handy in identifying the part I was looking for my set.
Thanks again.
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This is the original manufacturers service manual, with detailed info on the circit boards, explosion drawings of all parts in assembly order, and tuning instructions. The only thing missing is the information on the dimensions of the various drive belts. mail me if you need them. gcrossman_at_aol.com
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Ordered service manuel for a hard to find plasma tv - your company made it easy to find and purchase - I will use you again
Thanks for your help
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This is a high quality manual with clear schematic and components layout diagrams ; with service procedure included.
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This service manual for the Kenwood KT-990D was reproduced really well ,is very legible and manual is complete.Combined with the low price paid,in the future,I will be checking Owner-Manuals.com any time I need a manual.
4.7.8 PURITY AND 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
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)
Fig.1 (7) Adjust the gap between two lugs so that the GREEN RASTER will come into the center of the screen. (Fig.3)
(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.
Short lug
(10) Input a crosshatch signal.
Bring the long lug over the short lug and position them horizontally.
Fig.2 (11) Verify that the screen is horizontal.
(12) Input red and blue raster signals, and make sure that purity is properly adjusted.
(FRONT VIEW) GREEN RASTER
CENTER
Fig.3
(No.52122)1-29
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