Sony TRINITRON KV-21FX20A Service Manual page 18

• Operation of the BMC (Hexapole) magnet.
R G B R
R B R
G
• The respective dot position resulting from moving each
magnet interact, so be sure to perform adjustment whilst
tracking.
Use the H.STAT VR to adjust the Red, Green and Blue dots
so that they coincide at the centre of the screen
(by moving the dots in the horizontal direction).
(2) Dynamic convergence adjustment.
Preparation:
• Before starting this adjustment, adjust the horizontal and
vertical static convergence.
1. Remove the deflection yoke spacer.
R
G
B
R G
B
G
R
G B R G B
G B G
R B
B
R
G
B
V.STAT
2. Tilt the deflection yoke as indicated in the figure below and
optimize the convergence.
3. Re-install the deflection yoke spacer.
Note : This adjustment will affect the geometry of the
display, therefore adjust to obtain the optimum
setting.
Tilt Direction
18
Purity
BMC (Hexapole)
R
B
G G
B
R
R G
B
R G B