JVC AV-32120 Service Manual page 34

AV-27GFH
STATIC CONVERGENCE ADJUSTMENT
1. Input a crosshatch 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 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.
[Adjustment for the models equipped with
differential coil.]
! ! ! !
If the lines are not aligned, as shown in Fig. 4, correct them with
the differential coil attached to the deflection yoke.
(FRONT VIEW )
B(R)
G
R(B)
30
magnets, overlap
Fig.4
(FRONT VIEW )
the
(FRONT VIEW )
RED
BLUE
GREEN
RED
BLUE
(FRONT VIEW )
GREEN
RED
BLUE
No. 51806
Fig.1
GREEN BLUE
RED
GREEN
BLUE
GREEN RED
Fig.2
GREEN
BLUE
RED
RED
GREEN
BLUE
BLUE
GREEN
RED
Fig.3