Should you correct production mistakes?

dwight elvey dkelvey at hotmail.com
Wed Aug 25 20:46:17 CDT 2010



 

> From: ard at p850ug1.demon.co.uk
---snip---
> 
> WHile cleaning the dirt off this PCB (HV attracts dust electrostatcally, 
> of couse), I noticed that the ground pin of this IC never made it through 
> the board. It's folded under the package, but has been effectively 
> surface-mount soldered to the pad when the board was wave-soldered. It 
> works, but I can't beeleive it's as good as a proper through-hole 
> connection, and it's certian;y not what was intended.
> 
> I could trivially desolder the IC, straighten the pin, and solder it back 
> properly. But should I? What would others do?
> 
> -tony
> 

Hi
 First, can you explain how it works as is?
 Being one shots, such a fix might effect the timing. Is it adjustable?
 At a place I once worked, we had a board where the +5 was missing from
a CMOS part. It was running from the inputs that luckily always had
at least one high.
Dwight
  		 	   		  


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