JVC AV-21E3 Service Manual page 28

AV-21E3
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) and turn them to
magenta (red/blue).
3. Using 6-pole convergence
magenta(red/blue) and green lines in the center of the screen
and turn them to white.
4. Repeat 2 and 3 above, and make best c onvergence.
DYNAMIC CONVERGENCE ADJUSTMENT
1. Move the deflec tion yok e 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 c onvergence.
After adjustment, fix the wedge at the original position.
●
Fasten the retainer screw of the deflection yoke.
Fix the 6 magnets with glue.
28
magnets, overlap the
No.52028
(F RONT VIEW )
Fig.1
(F RONT VIEW )
RED GREEN
BLUE
GREEN
RED
BLUE GREEN
Fig.2
(F RONT VIEW )
GREEN
RED BLUE
Fig.3
BLUE
RED
GREEN
BLUE
RED
GREEN
BLUE
RED
RED
GREEN
BLUE
BLUE
GREEN
RED