| 摘要 |
PURPOSE: A correction circuit for miss-convergence correction device of deflection yoke is provided to control a BING phenomena of a miss convergence by adjusting variably current quantity flowing in a coma free coil. CONSTITUTION: A correction circuit for miss-convergence correction device of deflection yoke comprises a first top part and bottom part coma free coils and a second a top part and bottom part coma free coils connected electrically in series to a vertical coil main part, a YHC miss convergence adjustment part connected in parallel to the first top part and bottom part coma free coils and controlling a relative current quantity flowing at the first top part and bottom part coma free coils and adjusting a miss convergence of a screen, a YV miss convergence adjustment part connected in parallel to the second top part and bottom part coma free coils and controlling a relative current quantity flowing at the second top part and bottom part coma free coils and adjusting a vertical miss convergence of a screen, a top side YH variable resistor connected in serial between a connection point of the first top part and a connection point of the second top part coma free coil for controlling current quantity flowing at the top part coma free coils, and a bottom side YH variable resistor connected in serial between a connection point of the first bottom part and a connection point of the second bottom part coma free coil for controlling current quantity flowing at the bottom part coma free coils.
|
