Re: Rotated Lisa Screen

From: Blair Aakre <baakre_at_email.domain.hidden>
Date: Fri, 4 Apr 2008 18:09:20 -0500

At the back of the CRT neck, there is a screw and metal clamp which keeps the deflection coil (yoke) in position on the tube. You need to loosen this screw to rotate the deflection coil either direction to correct the problem. Once you get the picture straightened out, tighten the screw and you should be good to go.

I had to do this on one of my LIsa systems.

Of course, the usual disclaimers when dealing with CRTs apply. Watch out for shocks! :)


On Apr 4, 2008, at 5:47 PM, alker wrote:

> Hi,
> my Lisa has a screen that is rotated for some degrees.. I cannot fix
> it with the knobs on the graphic board.. is there some other method
> directly at the cube?
> I illustrated my problem here:
> <a href="
> photo#5185523579878819106"><img src="
> R_auOMkWxSI/AAAAAAAAAN4/02alee_89pQ/s144/lisa_screen.jpg" /></a>
> any help would be appreciated..
> >

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. Received on 2015-07-15 16:44:01

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