CAD CAM EDM DRO - Yahoo Group Archive

Re: [CAD_CAM_EDM_DRO] How do I test IC SN74LS541N on PCB?

Posted by Bob Muse
on 2006-02-12 22:07:02 UTC
Hi Bruce

Why not just replace them all? You can buy 25 of them from Digikey for 15
bucks and change.

Bob

----- Original Message -----
From: "Bruce" <bruce@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Sunday, February 12, 2006 9:28 PM
Subject: [CAD_CAM_EDM_DRO] How do I test IC SN74LS541N on PCB?


> Hello,
>
> Hoping some elctronics wizard can help me with this.
> I have an Anilam M controler that is not working and would like to see
> if I can fix it before I try a retrofit
> So heres the question: can I bench test this IC? SN74LS541N, here is
> link to download the datasheet:
> http://www.datasheets.org.uk/download.php?article=2355104
> There are 20 of these on the green tab board. I've been told by Anilam
> one or more are bad, now I need to find which one.
> Can I do this with a power supply, logic probe and logic pulser?
> testing each circuit in the chip one by one.
> I am extremely electronically challenged, so you will need to spell it
> out for me, if it can be done at all.
> Your help will be greatly appreciated.
>
> Bruce
>
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Discussion Thread

Bruce 2006-02-12 21:28:55 UTC How do I test IC SN74LS541N on PCB? Bob Muse 2006-02-12 22:07:02 UTC Re: [CAD_CAM_EDM_DRO] How do I test IC SN74LS541N on PCB? James Washer 2006-02-12 22:38:55 UTC Re: [CAD_CAM_EDM_DRO] How do I test IC SN74LS541N on PCB? Alan Marconett 2006-02-13 08:16:12 UTC RE: [CAD_CAM_EDM_DRO] How do I test IC SN74LS541N on PCB? Alan Marconett 2006-02-13 08:20:56 UTC RE: [CAD_CAM_EDM_DRO] How do I test IC SN74LS541N on PCB? BRIAN FOLEY 2006-02-13 09:16:53 UTC Re: [CAD_CAM_EDM_DRO] How do I test IC SN74LS541N on PCB? Bruce 2006-02-13 12:56:30 UTC Re: How do I test IC SN74LS541N on PCB? juan gelt 2006-02-13 13:53:20 UTC Re: [CAD_CAM_EDM_DRO] Re: How do I test IC SN74LS541N on PCB? Roy J. Tellason 2006-02-14 10:13:10 UTC Re: [CAD_CAM_EDM_DRO] Re: How do I test IC SN74LS541N on PCB? Mcginnis, Darrell S 2006-03-01 14:04:12 UTC RE: [CAD_CAM_EDM_DRO] Re: How do I test IC SN74LS541N on PCB?