Panasonic BT-M1950Y Service Manual page 42

BT-M1950Y
Item
Static
(center)
convergence
adjustment
Test equipment Test points
Signal
generator( crosshat
ch)
Adjustment
locations
Deflection yoke
Wedges
Convergence
magnets
-42-
Adjustment procedure
9. Repeat steps 7 and 8.
1
o.
Supply an all green signal input and shift the
deflection yoke forward to where he overall
screen is a green single color.
11. Also check the red and blue single color
rasters.
12. Suitably tighten the deflection yoke securing
screw to prevent forward to rearward shifting.
1. Supply a crosshatch pattern input
2. Move the deflection yoke up, down, left and
right to roughly adjust the perimeter
convergence. Temporarily secure with one
wedge at the top.
Rear
f{iedge
Deflection yoke
(Fig.5)
3. Use the 4 pole magnets to overlap red and
blue at the picture center to produce magenta.
4. Use the 6 pole magnets to overlap the green
lines with the magenta.
5.
If
required, repeat steps 1 and 2.
Open 2
tabs
...
~
(Fig.6)
Turn together
while holding
the angle
between tabs