[sdiy] OT: Help with polygon scanner from copier

KA4HJH ka4hjh at gte.net
Fri Sep 19 09:11:43 CEST 2008


Anyone out there ever hooked up a polygon scanner like this?:

<http://www.mi-lasers.com/cgi-bin/shopper.cgi?preadd=action&key=OPT-PS-2&reference=/cgi-bin/shopper.cgi%3Fsearch%3Daction%26keywords%3Doptics_lightshows%26searchstart%3D0%26template%3DTemplates/SearchResult.html>

A friend of mine who works on Sharp copiers gave me one that doesn't spin
fast enough anymore. Otherwise it's OK (I assume it's the bearings--he says
they slow down too much to be used). Hooking up the power is easy enough,
and I assume the /Start line needs to be grounded, but what about the clock
line? Who controls who, is it in or out? Do I need an oscillator to drive
it?

I have the block diagram and pinout from the copier manual and that's it.
No schematic or theory of operation.  It's made by Sankyo. The part# is
either VM17F or AW111L0 (I think that's a zero).

I'm building one as seen in the picture for Halloween.

-- 

Terry Bowman, KA4HJH
"The Mac Doctor"



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