Sony TRINITRON KV-A2121D Service Manual page 22

@ Operation of BMC (Hexapole) Magnet
RG 8 R G B R GB
O-0-——-0 <> 0—0-—_0 <> 0 —__0-0
@ The respective dot positions resulting from
moving each magnet interact, so be sure to
perform adjustment while tracking.
Use the H.STAT VR to adjust the red, green,
and blue dots so they coincide at the center of
screen (by moving the dots in the horizontal
direction).
(2) Dynamic convergence adjustment
Preparations :
Before starting this adjustment, adjust the 3.
horizontal static convergence and the vertical
static convergence. 4,
1. Slightly loosen the deflection yoke screws. 5.
2. Remove the deflection yoke spacer.
Move the deflection yoke as shown in the figure
below and optimize the convergence.
Tighten the deflection yoke screws.
Install the defelection yoke spacer.
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