Convergence - Sony TRINITRON KV-20WS1A Service Manual

3-2. CONVERGENCE

(1) Static Convergence
1. Input a dot pattern from the pattern generator and adjust the
picture to normal.
2. Loosen the magnet stopper.
3. Adjust the red and blue dots using the pole magnet.
4. Converge the red and blue dots to the green dots using the
6 pole magnet.
5. Fasten the magnet stopper.
R
(3) Screen-corner Convergence.
a
a—d: angoli dello
a-d: screen-corner
schermo non in
misconvergence
convergenza.
c
R
G
B
G B B G R
B
G
R
b
d
(2) Corner Convergence Adjustment
1. If the sides of the screen are misconverged then adjust by
tilting the deflection yoke up, down or in the left or right
direction.
2. Once the correct position has been determined secure the
deflection yoke using the wedges.
B
B G R
G
R G B R
R G B R
G
B G R
B
b
d
— 17 —
KV-20WS1
B G R R G B
a
c