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just what i was seeking .had a password issue but the review allowed me to circumvent and download was great
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Great manual, great price. Has a few of the basic operating instructions that most service manuals leave out. Complete instructions for disassembling board by board, safety precautions, schematics, complete parts list.
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I am very pleased with the service manual for my RT-909. This was an easy purchase and great procuct, and much cheaper than other venues i had looked at. This web site is now listed in my favorites list. KEEP UP THE GOOD WORK. THANKS. J. BROWN
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A very well written and easy to understand manual.
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There was no problem at all.After paying i had to wait only a few hours,than i could
download the manual in best pdf-quality.
Thank You !
C- N14310
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
22
No. 51990
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