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There are currently no product reviews.
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Very good conversation, Pretty fast Service, wood do it again,
Have paid by Paypal, so i got the Service Manual online after 15 Min.
Very helpfully.
Greeting from Germany,
Hans
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Good-quality scans. Detailed description. I hope I can repair the machine.
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High-quality scanning. Detailed description. Recommend for all technician. A+++
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This is a good quality scan of the original Service Manual from Nordmende, Germany. Contains the circuit diagram, PCB layout, adjust/tune instructions as well. It is NOT in English but in GERMAN language! That was quite right for my german friend from the lower east side in Berlin.
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Received via e-mail this PDF manual is worth the money. This is a quality scan of a manual in excellent condition and is just as good as having the original manual in hand. I have later seen the original manual and it was printed in colour, but this particular manual is black & white but scan resolution is high end quality! All drawings and pictures are presented in great detail. So, nearly perfect score in my opinion.
If you own the turntable you also should own the manual!
KV-T21PF1
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 coutrol Purity Control
3-1. BEAM LANDING
1. Input a white signal with the pattern generator. Contrast Brightness
}
normal
2. Set the pattern generator raster signal to a green raster. 3. 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.) 4. Move the deflection yoke forward and adjust so that the entire screen is green. (See Figure 3-1.) 5. Switch the raster signal to blue, then to red and verify the condition. 6. When the position of the deflection yoke has been decided, fasten the deflection yoke with the screw. 7. If the beam does not land correctly in all the corners, use a magnet to adjust it. (See Figure 3-4.)
c d
Fig. 3-2
BLUE
RED
GREEN
Fig. 3-3
Purity control corrects this area. b a Disk magnets or rotatable disk magnets correct these areas (a-d).
Deflection yoke positioning corrects these areas. b
c a
Fig. 3-1
d
Fig. 3-4
� 13 �
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