Re: [APML] ST-4 HELP (!!!!) needed... (thanks!!!)

["William R. Mattil" <wrmattil@ix.netcom.com>]

John Lanoue wrote:
> 
> Bill, et al,
> 
> Many thanks, you guys are brilliant!

Only because we are standing on the shoulders of those Giants who came
before us ! :^)

>  It did turn out being one of the
> relays, I opened up the st-4 and moved each of the relays over one, and the
> problem 'moved' to the -y step of the calibration (the fourth motion).  Now
> I just have to figure out which is the alarm relay and which is the bad
> one... does anyone have a wiring diagram for the st-4?

>From memory I think its the last one ..... They are all in a row and
IIRC its the one closest to the center of the PCB. But it should be
pretty easy to remove one and see which control stops working. If none
stop ? Other than the aforementioned bad direction then its the alarm
relay.
 
> And yes, it turns out that one of the motion controls on the st-4 doesn't
> work.

Easiest thing to fix is the relay :^)

Best Regards

Bill

-- 
William R. Mattil	|                              
wrmattil@ix.netcom.com	| http://celestial-images.com      
(972) 399-4106		|
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