Michael A. Terrell wrote in message
m...
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
--
You can't have a sense of humor, if you have no sense.
I've always assumed its like those "sourcing" companies with big bucks
upfront, flaff about a bit, and then come up with nothing