JVC AV-21F1P Service Manual page 24

AV-21F1P
STATIC CONVERGENCE ADJUSTMENT
1. Input a cross-hatch signal.
2. Using 4-pole convergence magnets, overlap the red and blue
lines in the center of the screen (Fig. 1) to turn them to magenta
(red/blue).
3. Using 6-pole convergence magnets, overlap the magenta (red/
blue) and green lines in the center of the screen to turn them to
white.
4. Repeat 2 and 3 above, and make best convergence.
DYNAMIC CONVERGENCE ADJUSTMENT
1. Move the deflection yoke up and down and overlap the lines in
the periphery. (Fig. 2)
2. Move the deflection yoke left to right and overlap the lines in the
periphery. (Fig. 3)
3. Repeat 1 and 2 above, and make best convergence.
After adjustment, fix the wedge at the original position.
Fasten the retainer screw of the deflection yoke.
Fix the 6 magnets with glue.
24
(FRONT VIEW)
(FRONT VIEW)
BLUE
GREEN
RED
(FRONT VIEW)
GREEN
BLUE
RED
No. 56033
Fig. 1
RED GREEN BLUE
RED
GREEN
BLUE
GREEN
BLUE RED
Fig. 2
GREEN
BLUE
RED
Fig. 3
RED
GREEN
BLUE
BLUE
GREEN
RED