Surefire Eico147A function test

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Surefire Eico147A function test

Post by Funkerman on Sun Mar 24, 2013 1:22 am

A few years ago I found at a hamfest I bought an Eico 147A Signal tracer sans RF probe. I replaced all the paper caps and the 12AV7 tube. But here's my problem and I'll admit I don't know too much: how do I test the tracing function without a probe? I have made a probe (even when to the trouble of using an actual 1N48 diode) but I'm not sure it is working.. I guess I am trying to rule out the Tracer itself as the failure. I will admit the wattmeter section of the tester is unresponsive but that is for another post. any help is greatly appreciated & I thank you very much.

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Re: Surefire Eico147A function test

Post by Bill Cahill on Sun Mar 24, 2013 8:08 am

Welcome to TRF. First of all, there is no way I know of to use test equipment without the proper test leads. I'm not familiar with thiis particular unit, but, I know you must have the correct test leads.They could be made, but, you will need a schematic to know what needs to be in them.
There are on line mannuals for Eico equipment, but, I don't remember the link.
Can anybody help here?
Bill Cahill

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Re: Surefire Eico147A function test

Post by mr_ed01 on Sun Mar 24, 2013 12:36 pm


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Re: Surefire Eico147A function test

Post by mikehall on Sun Mar 24, 2013 2:59 pm

If you check out this site:

http://www.ohio.edu/people/postr/bapix/SigTrac2.htm

there are some ideas for making your own. scroll down the page.
not too dificult to DIY

Mike

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Re: Surefire Eico147A function test

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