Hi,
Just tonight I replaced the adjustment pots on the video board on a
Lisa. However, now I am unable to get the height adjusted properly.
With the Height POT adjusted as far counter-clockwise as it can go,
the video appears stretched out vertically, off the top and bottom of
the screen. I used a 100K ohm POT for R22. (The schematics on the
internet list this as 200K, but the part I took off was 100K)
Is there some sort of coarse height adjustment somewhere?
Previously, the video worked OK, though it would lose vertical hold
periodically.
5V is currently measuring 5.13V. I have "H" ROMs and the standard Lisa
video ROM.
Any ideas?
-Blair
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Received on 2015-07-15 16:43:12