I found this strange behaviour on a tv I had to stick my head into
recently. An intermittent fault was present, with beam limiting cutting
out the tv (at a guess).
I have basically no manufacturing experience, I should say. The board
had a soldering problem - poor preheating. Small stuff was soldered OK,
but (a lot of) physically large parts were underheated, and soldering
was poor. Ditto for the earth line, and thick tracks. So far so good.
When I reheated these joints, they started bubbling, and continued
bubbling. They would spit solder away on occasion. I had to be careful
not to overheat compontents, But this would continue for 30 secs on a
pin, and I gave up before it did. Certainly more than flux.
What's going on?? Implications??
--
With best Regards,
Declan Moriarty.
--
Author: Declan Moriarty
INET: [EMAIL PROTECTED]
Fat City Network Services -- 858-538-5051 http://www.fatcity.com
San Diego, California -- Mailing list and web hosting services
---------------------------------------------------------------------
To REMOVE yourself from this mailing list, send an E-Mail message
to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in
the message BODY, include a line containing: UNSUB CHIPDIR-L
(or the name of mailing list you want to be removed from). You may
also send the HELP command for other information (like subscribing).
