Hello,
Is there any one who
as some good pictures of a cold solder in surface mount??? I saw some
boards that
I can't determine if
a problem is present or not. Unfortunately, I don't have any way to get a
picture right
now, so I'll try to
give clear description.
1- This is a
very populated board, SMD and TH.
2- Most of the
SMD solders look nice and shiny
3- On diodes
(SOD-123 package) the solders look gray but if the solder is lightly
scraped,
it will look
shiny
4- On some of
these diodes there is a solder fillet, but I can see a clear demarcation between
the
Lead and the
solder.
5- In some
cases, a push with a pick dislodged the diode, leaving a clear
"footprint" to the lead
That's about all I
can say. How can I tell (without trying to push'em off all the time) if I
have a cold
solder???
Anyone has a picture (other than the IPC book)?
Thanks!
JF
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