JVC AV-21VT14 Service Manual page 29

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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 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.
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.
(4) Adjust XV by XV coil. (Fig.4)
• After adjustment, fix the wedge at the original position. Fasten
the retainer screw of the deflection yoke. Fix the P/C magnets
with glue.
GREEN
(FRONT VIEW)
RED
(FRONT VIEW)
Digitized in Heiloo Netherland
(FRONT VIEW)
Fig.1
(FRONT VIEW)
RED GREEN
RED
BLUE
BLUE GREEN
Fig.2
GREEN
BLUE BLUE
Fig.3
Xv
Fig.4
7/23/2017
BLUE
RED
GREEN
BLUE
RED
GREEN
RED
RED
GREEN
BLUE
BLUE
GREEN
RED
GREEN
(No.YA140)1-29