N_Cook wrote:
If localised cooling/heating ellicits nothing, then ssuming it consists of
main series TTL/4000 desolder one IC at a time, place on an IC logic tester
in search mode that will then show what device type. If a generic fault ,
not even a batch fault, then unlikely to be a problem with the IC/straight
logic, more like an R or C or something drifting and upsetting timing of a
monostable or something.
Start with the ICs with most Rs and Cs around them
Has anyone ever used a place like this for support?
http://www.providenceindustrial.com/pricing_rush.php
--
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