Set-Up Adjustments; Beam Landing - Sony Trinitron KV-27EXR95 Service Manual

The following adjustments should be made when
l
a complete realignment is required or a new picture
tube is installed.
These adjustments should be performed with rated
l
power supply voltage unless otherwise noted.
The control and switch below should be set as
follows unless otherwise
PICTURE control .***********
BRIGHTNESS control . . *. . . RESET position
Preparation:
Set the side of the unit with the PICTURE
l
TUBE so that it faces east or west in order to
reduce the influence of external magnetic force.
3-l. BEAM LANDING
1 . Input a raster signal with the pattern generator.
2 . Loosen the deflection yoke mounting screw, and set
the purity control to the center as shown in Fig.2.
3. Turn the raster signal of the pattern generator
to green.
4. Move the deflection yoke backward, and adjust
with the purity control so that green is in the
center and red and blue are at the sides evenly.
(Fig.3)
5. Move the deflection yoke forward, and adjust so
that entire screen becomes green. (Fig.1)
6 . Switch over the raster signal to red and blue and
confirm the condition.
7. When the position of the deflection yoke is
determined, tighten it with the deflection yoke
mounting screw.
8. When landing at the corners is not right, adjust
by using the disk magnets. (Fig.4)
SECTION 3
SET-UP ADJUSTMENTS
noted:
To 80% (Full)
Perform the adjustments in order as follows:

1. Beam Landing

2. Convergence
Focus
3.
4. White Balance
Test Equipment Required.
Note:
1. Pattern Generator
2. Degausser
3. Digital multimeter
purity control
Fig. 2
Fig. 3
Disk ma nets or
magnets correct
these areas (a-d).
Fig. 4