In a message dated 7/12/99 5:09:45 PM Eastern Daylight Time,
ClayC@diamondmm.com writes:
<< I haven't had the 555 die in particular, but I did lose a *resistor* in the
555 circuit. Tested "close enough" in circuit (doing an "A"/"B" compare
with a good board), but after a brute-force search of components on the
board I found the value was way off when pulled from the board. (Something
like 3.9K but tested to ~800 ohms...)
This was in a WG HV cage, but the same basic theory applies...
>>
That is pretty crazy. I hate it when an R tests in curcuit "close", but it
ends up being bad or off when pulled. This is a rare problem, too.
Received on Tue Jul 13 22:38:23 1999
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