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KV-32XBR400/36XBR400/36XBR400H/38DRC1/38DRC1C
SECTION 3
SET-UP ADJUSTMENTS
3-1. BEAM LANDING
Before beginning adjustment procedure:
•
Face the picture tube in East or West direction to reduce the
influence of geomagnetism.
NOTE: Do not use hand degausser because it magnetizes CRT.
1. Input white pattern from pattern generator. Set the
PICTURE control to maximum and BRIGHTNESS control
to standard.
2. Perform Focus, G2 and White Balance adjustments.
3. Loosen the deflection yoke mounting screw and set the
purity control to the center as shown below.
Purity Control
4. Input a green pattern from the pattern generator.
5. Move the deflection yoke backwards and adjust the purity
control so that green is in the center and red and blue are
even on both sides.
Blue
Red
Green
6. Move the deflection yoke forward and adjust so that the
entire screen becomes green.
7. Switch over the raster signal to red and blue and confirm
the condition.
8. When the position of the deflection yoke is determined,
tighten it with the deflection yoke mounting screw.
9. If landing at the corner is not right, adjust by using the disk
magnets.
The following adjustments should be made when
a complete realignment is required or when a new
picture tube is installed.
These adjustments should be performed with rated
power supply voltage unless otherwise noted.
Set the controls as follows unless otherwise noted:
VIDEO MODE: STANDARD (RESET)
Perform the adjustments in order as follows:
1. Beam Landing
2. Convergence
3. Focus
4. Screen (G2)
5. White Balance
Note:
Test equipment required:
• Color Bar Pattern Generator
• Degausser
• DC Power Supply
• Digital Multimeter
Summary of Contents for KV-32XBR400
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