JVC AV-20N3, Руководство по обслуживанию

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No.52025
AV-20N3
AV-20NMG3
AV-20NMG3B
30
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 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 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.
(FRONT VIEW )
GREEN
(FRONT VIEW )
BLUE RED
BLUE
GREEN
RED
RED
GREEN
BLUE
GREEN RED BLUE
GREEN
(FRONT VIEW )
BLUE
RED
BLUE
GREEN
RED
RED
GREEN
BLUE
GREEN
RED
BLUE
Fig.3
Fig.2
Fig.1