JVC AV-32D201 Repair Manual

AV-27D201
AV-32D201
PURITY, CONVERGENCE
PURITY ADJUSTMENT
1. Demagnetize CRT with the demagnetizer.
WEDGE
DEFLECTION
2. Loosen the retainer screw of the deflection yoke.
YOKE
3. Remove the wedges.

CRT
4. Input a green raster signal from the signal generator, and turn
the screen to green raster.
P / C
MAGNETS
5. Move the deflection yoke backward.
P : PURITY MAGNET
6. Bring the long lug of the purity magnets on the short lug and4 : 4 POLES (convergence magnets)
$ P/C MAGNETS
position them horizontally. (Fig.2)6 : 6 POLES (convergence magnets)
7. Adjust the gap between two lugs so that the GREEN RASTERFig.1
will come into the center of the screen. (Fig.3)
8. Move the deflection yoke forward, and fix the position of the
deflection yoke so that the whole screen will become green.
9. Insert the wedge to the top side of the deflection yoke so that it
will not move.
PURITY MAGNETS
10. Input a crosshatch signal.Long lug
11. Verify that the screen is horizontal.
Short lug
12. Input red and blue raster signals, and make sure that purity is
Bring the long lug over the short lug
properly adjusted.
and position them horizontally.

Fig.2
(FRONT VIEW)
GREEN RASTER
CENTER
&&&&&&&&
Fig.3
No. 5168629