Convergence - Sony KV-T21PF1 Service Manual

KV-T21PF1
RM-870

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
Center dot
R G B
1. (Moving vertically), adjust the V.STAT magnet so that the red,
green and blue points are on top of each other at the center of
the screen.
2. (Moving horizontally), adjust the H.STAT magnet so that the
red, green and blue points are on top of each other at the center
of the screen.
3. Tilt the V.STAT magnet and adjust the static convergence by
opening or closing the V.STAT magnet.
R
G
B
V.STAT Magnet
RV 701
SCREEN (G2)
C board
Purity
V.STAT
•
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 points move as shown
below.
1
a
b b
2
a
b
3
a
b
b
•
Operation of BMC (Hexapole) magnet.
If the blue or red point does not converge with the other two
points, 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.
b
– 14 –
a b
B B
G G
R R
a
R G B
b
B G R
a b
R B
G
G
B
BMC magnet
a
R