Sony TRINITRON KV-2565MT - Set-up Adjustments; Beam Landing Adjustment; Required Test Equipment

KV-2965MT |
"RM-827S
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.
The control and switch below should be set as follows
unless otherwise noted :
PICTURE control--------------- normal
BRIGHTNESS control.------- normal
ee i eo ay
Preparations :
@ Feed in the white pattern signal.
@ Before starting degauss the entire screen.
3-1. BEAM LANDING
1. Input the white signal with the pattern generator.
Contrast
Bightness
2. Position neck ass’y as shown in Fig 3-2.
Set the pattern generator raster signal to red.
4. . Move the deflection yoke to the rear and adjust
with the purity control so that the red is at the
center and the blue and the green take up equally
sized areas on each side.
(See Fig. 3-1 through 3-3.)
5. Move the deflection yoke forward and adjust so
that entire screen is red. (See Fig. 3-1.)
6. Switch the raster signal to blue, then to green and
verify the condition.
7. When the position of the deflection yoke has been
decided, fasten the deflection yoke with the screws.
8. If the beam does not land correctly in all the
corners, use a magnet to adjust it.
(See Fig. 3-4.)
normal
~
Perform the adjustments in order as follows:
1. Beam Landing
2. Convergence
3. Focus
4. White Balance
Note: Test Equipment Required.
1. Color-bar Pattern Generator
2. Degausser
3. Digital multimeter
Ce
Purity control
corrects this area.
Disk magnets or
rotatable disk
magnets correct
these arears(a-d
Deflection yoke positioning
corrects these areas.
~
~~ ox
”
¢
Nh
ze
A
X(
ba
C
b
st
6
ip
|
ge
[do
-
Fig.
3-4
~~”
6