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I Have looked for this manual for quiet a while now, I have finally found it here. I believe this is the only place they have them in a very nice scan, pages are very clear to read, some of the pages are a bit tilted but overall it is great to have this manual available for purchase. Thanks
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This is quiet a rare manual, I Have looked for this manual for quiet a while now, I have finally found it here. I believe this is the only place they have them in a very nice scan, Excellent guide: very clear, enabling us to print readable diagram overall it is great to have this manual available for purchase. This is a complete service manual no pages are missing. Thanks
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This SM is quiet scarce and hard to find it is an excellent Service manual, very clear to read and to print schematics and diagrams, Hi quality, Complete manual with no pages missing. I am very pleased with the manual and the fast service I have received. Great place to shop.
Good luck finding you manual...
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Quick delivery, the document was usefull, although the copy was i little bit unclear in the details.
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A complete and well done copy of the manual, at a not expansive price!
The delivery of the manual is very fast.
Thank you for all
KV-T21MN8/T21MN81
SECTION 3 SET-UP ADJUSTMENTS
� � The following adjustments should be made when a complete realignment is required or a new picture tube is installed. These adjustments should be performed with rated power supply voltage unless otherwise noted. Perform the adjustments in the following order : 1. Beam Landing 2. Convergence 3. Focus 4. White Balance Note : Test Equipment Required. 1. Color-bar/Pattern Generator 2. Degausser 3. Oscilloscope
.................................................................................................................................................................................................................................
RM-870
Controls and switch should be set as follows unless otherwise noted: PICTURE control ........................................................... normal BRIGHTNESS control ................................................... normal
Preparation : � � In order to reduce the influence of geomagnetism on the set's picture tube, face it east or west. Switch on the power and degauss with the degausser.
Purity control
3-1. BEAM LANDING
1. Input a white signal with the pattern generator. Contrast Brightness
}
normal
Fig. 3-2
2. Position neck assy as shown in Figure 3-1. 3. Set the pattern generator raster signal to a green raster. 4. Move the deflection yoke to the rear and adjust with the purity control so that the green is at the center and the blue and the red take up equally sized areas on each side. (See Figures 3-1 through 3-3.) 5. Move the deflection yoke forward and adjust so that the entire screen is green. (See Figure 3-1.) 6. Switch the raster signal to blue, then to red and verify the condition. 7. When the position of the deflection yoke has been decided, fasten the deflection yoke with the screw. 8. If the beam does not land correctly in all the corners, use a magnet to adjust it. (See Figure 3-4.)
BLUE RED
GREEN
Fig. 3-3
Purity control corrects this area. b a Disk magnets or rotatable disk magnets correct these areas (a-d).
Neck assy
c
d
Deflection yoke positioning corrects these areas. b
c
G1 G2 G3
a
Fig. 3-1
d
Fig. 3-4
� 13 �
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