Sony TrinitronKV-28FX66B - Convergence

- 18 -
GREEN
BLUE
RED
(1) Screen centre convergence [Static convergence]
1. Input a dot pattern signal from the pattern generator.
2. Normalize the picture setting.
3. [Moving vertically], adjust the V.STAT magnet so that the
vertical red, green and blue dots coincide at the centre of the
screen.
3-2. Convergence
By opening or closing the V.STAT magnet, the red green and
blue dots move in the direction indicated below.
Note: Do not adjust the H.STAT by rotating the V.STAT
magnets as this can affect the focus setting.
B
G
R
B
G
R
Fig.3-5
Purity magnets
Align pips on
each magnet
Fig.3-4
Align both Purity
magnets to the vertical
position
Purity control corrects
this area
Disk magnets or
rotatable disk
magnets correct
these areas (a-d)
Deflection yoke positioning
corrects these areas
a
cd
b
Disk Magnets
Center dot
R
G
B
R
G
B
C Board
RV7375 (H STAT)
H STAT Convergence
(on mount side)
H STAT
convergence
control
V.STAT Vertical Static Magnet
Purity control magnets