[sdiy] rx5 circuit board repair

CHoaglin at aol.com CHoaglin at aol.com
Sat Oct 27 04:38:34 CEST 2001


In a message dated 10/26/2001 3:59:27 PM Pacific Daylight Time, 
cyborgzero at home.com writes:

> 
> use very fine 28 gauge wirewrap wire.. It will hold together and fit in all
> 

A couple other suggestions...you'll want to warm up the soldering iron then 
scrape off the coating from the affected traces all the way back to the 
nearest component lead. Then coat them immediately with solder before a layer 
of copper oxide forms, which will make them harder to solder to. Next, start 
at a component lead, solder the end of the wirewrap wire down while wrapping 
it around the lead for extra strength. Follow the trace along and over the 
crack to the other side, soldering it down all along following the path of 
the trace. Be very generous with the solder all along the traces. Hook the 
other end around the lead on the other side and solder that down. Repeat as 
needed for each trace. I've done this to a one-piece PowerMac (the analog 
monitor board, not the logic board, I can't solder THAT well) with extremely 
good results..took me maybe an hour or two to do.

-Chris
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