JVC AV2555TEE Repair Manual

AV-25KX3
AV-2555TEE
CONVERGENCE ADJUSTMENTS
STATIC CONVERGENCE ADJUSTMENT
1. Input a crosshatch signal.(FRONT VIEW)
2. Using 4-pole convergence magnets, overlap the red and blue lines in
the centre of the screen (Fig. 4) and turn them to magenta (red/blue).
3. Using 6-pole convergence magnets, overlap the magenta(red/blue)
and green lines in the centre of the screen and turn them to white.
Fig. 4
4. Repeat 2 and 3 above, and make best convergence.
(FRONT VIEW)
TOP
DYNAMIC CONVERGENCE ADJUSTMENT
1. Move the deflection yoke up and down to adjust the pin cushion dis-
tortion in the screen top and bottom. (Fig. 5)
BOTTOM
2. Move the deflection yoke left to right to overlap the lines in the pe-
Fig. 5
riphery, and match the Yv. (Fig. 6)
(FRONT VIEW)
3. Using the VR on the deflection yoke, match the YH (CROSS). (Fig. 7
GREENGREEN
YVRED
and 9)REDBLUEBLUE
RED
GREEN
4. Repeat the steps 1 and 3 and obtain an optimum convergence.
BLUE
YAfter adjustment, fix the wedge at the original position.
Fasten the retainer screw of the deflection yoke.
Fix the P/C magnets with glue.
BLUE
GREEN
RED
YV
Fig. 6
(FRONT VIEW)
YH
REDGREENBLUE
REDRED
GREENGREEN
BLUEBLUE
BLUE GREENRED
YH
Fig. 7
36No. 52073