RE: [CAD_CAM_EDM_DRO] Sargon Scale Pickup Parts

Jon,

Thanks for the help. They are IR and 1 LED has gone bad, I bought some new
IR LEDs from Digi-Key and will try and repair the unit myself.

Jeff Hamilton

-----Original Message-----
From: elson@... [mailto:elson@...]On
Behalf Of Jon Elson
Sent: Sunday, September 15, 2002 1:14 AM
To: CAD_CAM_EDM_DRO@yahoogroups.com
Subject: Re: [CAD_CAM_EDM_DRO] Sargon Scale Pickup Parts

Jeff Hamilton wrote:

> Hello,
>
> I am in need of a pickup for a Sargon TX350 scale or if anyone can tell

me

> were to get the parts I think I can repair it. One of the light emitting
> parts appears to be bad, it doesn't readout the same as the rest. If

anyone

> knows were I can buy the parts or someone to do the repairs I would
> appreciate the help. I have place pictures of the pickup and sensor on my
> website so you can see the defective part ( it has a blue arrow pointing

at

> it).
> http://www.clockmaker.com/Sensor/index.html

You apparently have a "\" where you need a "/" in the page that brings up
the picture.
But, I figured it out and saw the pics, anyway.

These are almost certainly IR LEDs. It is a rather unusual package, looks
like
surface mount, and square. You might look in the Digi-Key catalog and see
what
they have. They may have something that is comparable. Do any of the LEDs
light up when you power the scale on? If not, then they must be IR. If
they light
up bright red, then they may be visible red LEDs. If they light up just a
little red,
they may be IR with some visible red emission (not uncommon). Don't stare
into
them, you can hurt your eyes with intense IR output.

Jon


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