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KV-M1100D
RM-818
SECTION 3
SET-UP ADJUSTMENTS
@ The following adjustments should be made when
Perform the adjustments in order as follows:
a complete realignment is required or a new
1. Beam Landing
picture tube is installed.
2. Convergence
@ These adjustments should be performed with
3. Focus
rated power supply voltage unless otherwise noted.
4. Screen (G 2) and White Balance
The controls and switch below should be set as follows
Note: Test Equipment Required.
unless otherwise noted :
1. Color bar/Pattern Generator
OQ CONTRASTcontrol.--.-..-.
80%(or Normal by
2. Degausser
commander)
3. DC Power Supply
+t BRIGHTNESS control...-. 50%
4. Digital multimeter
5. Oscilloscope
Preparation:
@ Set the side of the unit with the PICTUE TUBE so
that it faces east or west in
order to reduce the
influence of external magnetic force.
@ Turn the power switch for the unit ON and erase
the magnetic force using a degausser..
3-1. BEAM
LANDING
Demagnetize with a degausser
1. Input a raster signal with the pattern generator.
CONTRAST
BRIGHTNESS
2. Turn the raster signal of the pattern generator
} normal
to red.
3. Move the deflection yoke backward, and adjust
with the purity control so that red is in the center
and blue and green are at the sides evenly.
(Fig.3-1 to 3-3)
4. Move the deflection yoke forward, and adjust so
Disk magnets or
rotatable disk
magnets correct
these areas(a-d).
that the entire screen becomes red. (Fig.3-1)
or
. Switch over the raster signal to blue and green
confirm the condition.
ss When the position of the deflection yoke is
determined,tighten it with a deflection yoke mount-
ing screw.
a When landing at the corner is not right, adjust
Deflection yoke positioning
corrects these areas.
by using the disk magnets.
(Fig.3-4)
_9—
—
Fig.3-4
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