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| | |-+  Where is the battery
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Author Topic: Where is the battery  (Read 3196 times)
jay
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« on: January 20, 2014, 04:47:40 AM »

I have a number of progressive controllers older LED4 & LED5, they are no longer holding their programming for more than a day when the machines are off.

Which component is the battery ? that holds the info......



* LED4.jpeg (119.66 KB, 480x640 - viewed 473 times.)

* led5.JPG (112.16 KB, 640x480 - viewed 485 times.)
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knagl
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Kevin


« Reply #1 on: January 20, 2014, 08:43:12 AM »

I don't think I've seen one of those in person, but I'd take a close look at the green-wrapped circular thing -- could that be it?
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stayouttadabunker
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« Reply #2 on: January 20, 2014, 01:35:44 PM »

I agree with Knagl...that green wrapped cell is a NEC 5.5V battery and it's positive (+) pole runs straight to
the 1st leg of the 4 diodes and 100 ohm resistor.
It's negative (-) pole runs right to the blue capacitor next to it.

Upon looking at it some more...it just looks like a cap?
Now you've got me wondering where is the battery too?

Here's a link to a similar .22 farad 5.5v green thing on Mouser.
They call it a "Super Capacitor"...>>>


http://www.mouser.com/ProductDetail/Kemet/FS0H224ZF/?qs=%2fha2pyFadugLzN1S7KquHrj1JFtHwCBEAT9DriN6mzG%2f%2fJx6hHuJew%3d%3d
« Last Edit: January 20, 2014, 02:04:01 PM by stayouttadabunker » Logged
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