>The image on the screen will not move beyond the right
>3/4ths of the screen. There seems to be a boundary at
>which all the vectors accumulate, and using both the H
>Size and H Center pots, I am unable to get the monitor
>to draw any farther over. In fact, if i adjust the
>image as far to the right as possible, I get a 'bowing'
>of the vectors on screen.
>I am using a X-Y pattern generator which I know to be
>good. I have replaced the MPSU10 and MPSU60 transistors
>in the positive 'X' deflection section. I've even
>replaced the TIP29B power transistors thinking they may
>be failing under load.
What are you reading on your +60 and -60V rails? Have
you tried swapping the power transistor x and y connectors
to see if the problem changes axis? The schematic shows
them pinned out the same but check first to be sure.
Dave
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Received on Wed Apr 9 06:37:47 2003
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