JVC AV20N13/PH Repair Manual

AV-21D13
AV-21D33
AV-20N13
AV-20N33
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).
(FRONT VIEW)
3. Using 6-pole convergence magnets, overlap the
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.
Fig.1
DYNAMIC CONVERGENCE ADJUSTMENT
1. Move the deflection yoke up and down and overlap the lines in(FRONT VIEW)
the periphery. (Fig. 2)
REDGREEN BLUE

2. Move the deflection yoke left to right and overlap the lines in the
periphery. (Fig. 3)BLUERED

GREEN
3. Repeat 1 and 2 above, and make best convergence.GREEN
REDBLUE
I After adjustment, fix the wedge at the original position.BLUEGREENRED
Fasten the retainer screw of the deflection yoke.
Fix the 6 magnets with glue.Fig.2
(FRONT VIEW)
GREENGREEN
REDBLUEBLUERED
RED
GREEN
BLUE
BLUE
GREEN
RED
Fig.3
30No.52022