Re: Major Havoc pincushion question

Yep, looks very much like the Amplifone in my SW cockpit:

web.jpg

There's no correction board on SW as it's mentioned that "pincushion
is corrected by a "special" yoke"......

I need a correction board. :D

Op 26 okt 2009, om 19:17 heeft Clay Cowgill het volgende geschreven:

>> Is this amount of pincushioning normal for this situation?
>> (Major Havoc conversion pcb with Space Duel adapter pcb and WG K6100)
>
> Doesn't look right to me-- that might even look worse than no
> correction at
> all! ;-)
>
> I would be suspicious of the correction board operation. Check for
> any
> cracked resistors around the 1495's (from rough handling or
> something).
> There's a couple resistors that essentially set the correction
> 'level' and a
> problem there could lead to 'no correction' on the output signal.
> (I used a
> potentiometer on my display corrector for that part of the
> transform, but
> the original boards have a pair of fixed resistors.)
>
> -Clay
>
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André Huijts
andre.huijts@upcmail.nl

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Received on Mon Oct 26 18:13:36 2009