Convergence - Sony KV-34FQ75A Service Manual

Fd trinitron
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Fig.3-4
Purity magnets
Align pips on
each magnet
GREEN
Fig.3-5
Purity control corrects
this area
a
c
Deflection yoke positioning
corrects these areas
Disk Magnets
Align both Purity magnets
to the vertical position
RED
BLUE
Disk magnets or
rotatable disk
magnets correct
these areas (a-d)
b
d
Purity control magnets

3-2. Convergence

(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.
Center dot
R G
B
H STAT
convergence
control
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.
21
R
G
B
V.STAT Vertical Static Magnet
C Board
RV5375 (H STAT)
H STAT Convergence
(on mount side)
B
B
G
G
R
R

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