Sony TRINITRON KV-32WS4A, Service Manual

Page: 22 / 90

— 22 —
KV-32WS4
3
By rotating the V.STAT magnet clockwise, the red, green
and blue dots move as shown below.
4
By opening or closing the V.STAT magnet, the red, green and
blue dots move as shown below.
2
VMC correction by BMC (Hexapole) magnet and movement
of the electronic beam.
• If the blue dot does not coincide with the red and green points,
correct the points by using the BMC (Hexapole) magnet.
5
Correction for HMC (horizontal mis-convergence) and VMC
(vertical mis-convergence) by using the BMC (Hexapole)
magnet.
1
HMC correction by BMC (Hexapole) magnet and movement
of the electronic beam.
Layout of each control
Purity magnet
BMC (Hexapole) magnet
V.STAT convergence magnet
Y-splitting axis correction magnet
2. If you are unable to adjust the corner convergence properly,
correct them with the use of permalloys.
a—d: angoli dello
schermo non in
convergenza.
a
b
c
d
a-d: screen-corner
convergence defect
c d
b
Permalloy Assy
X-4387-214-1
Convergence adjustment with permalloy
H M C c o r r e c t i o n ( A ) H M C c o r r e c t i o n ( B )
A < B
A = B
R G B
R G B
A > B
A = B
R G B
R G B
B G R
B
G
R B
G
R
C < D C = D C > D C = D
R
G
B
C
D
C
D
R
G
B
R
G
B
R
G
B
V M C c o r r e c t i o n ( A ) V M C c o r r e c t i o n ( B )
Fig.3-5
c
d
a