Quote:
Originally Posted by Laserdisc
Ok, I can eyeball it close to good but things have a green outline for some reason, I can turn the color level to zero and people on screen have a green outline.
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Well done so far.
First get the grey scale close as you can. Warm up set 1/2 hr. Turn down color all the way. No signal input. Put the service switch to service. Using the three color controls ( R-G-B ) turn up one at a time til you see that color line
Back off until the line just goes away. Repeat for other 2 colors. When done you should see no line or a very dim one.
Flip switch to normal. You should get B&W snow. If it has a tint to it
tweak the controls a little to make it as B&W as you can. If any controls
cause a sudden change you may have a bad control. No big deal it was
a common fail.
Next your problem. Sounds like convergence. If the green outline is fairly
constant at different brightness thats it. Now it gets hard to describe but
when it "clicks" its EASY !
On the CRT you have the yoke, convergence panel screwed onto the plastic yoke cover. Last on the neck is the blue lateral / purity ring assy.
Now a few IIRC's. On the convergence board are 9 controls & 3 coils.
Ignore them. Also there are 3 sections 120 degrees apart with thumb wheels. The top is blue, others are red & green. The thumb wheels move
the colors in & out toward the center of the CRT & you need them to
overlap.
Now color all the way down. Either a dot generator OR a source with very
small stationary areas such as writing in the CENTER of the screen.
Turn the R or G thumb wheels & see effect. You may only have to move
the G thumb wheel.
Try that but dont turn them too much so its easy to go back. A little
playing should give you the idea. Only concentrate on the CENTER !
good luck
73 Zeno
LFOD !