KV-G21MW3 - Sony TV Service Manual (repair manual). Page 14

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KV-G21MW3/G21QW3
RM-869
Operation of V.STAT magnet.
If the V.STAT magnet is moved in the direction of the a and
b arrows, the red, green and blue dots move as shown below.
Operation of BMC (Hexapole) magnet.
If the blue or red dot does not converge with the other two dots,
perform following steps.
Move BMC magnet (a) to correct insufficient H.static
convergence.
Rotate BMC magnet (b) to correct insufficient V.static
convergence.
In either case, repeat Beam Landing Adjustment.
1. (Moving vertically), adjust the V.STAT magnet so that the red,
green and blue dots are on top of each other at the center of the
screen.
2. (Moving horizontally), adjust the H.STAT VR so that the red,
green and blue dots are on top of each other at the center of the
screen.
3-2. CONVERGENCE
Preparation :
Before starting this adjustment, adjust the focus, horizontal size,
and vertical size.
Minimize the brightness setting.
Provide dot pattern.
(1)
Horizontal and Vertical Static Convergence
R     G     B
G
R
B
Center dot
C board
RV 701
SCREEN (G2)
V.STAT Magnet
V.STAT
Purity
B
R
B
R
a
b
b
b
a
b
a
b
a
R
G
B
b
B
G
R
b
b
a
a
1
2
3
G
G
B     G     R
R     G     B
a
BMC magnet
b
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