Workbench contributor and engineer Duke Evans writes that he has repaired many a circuit board trace with bare wire. In his years of circuit board repairs, Duke has also noted that some older ...

Awhile ago, my subwoofer just stopped working (actually, if you turn it on, it just makes a loud buzzing noise). I tried getting it open but all the screws are messed up and i've since left it ...

Your plant has several custom-built production machines that use various plug-in circuit boards. The standard practice has been to troubleshoot to the board level and then replace the entire board.