Henry Robinson sprays degreaser on a circuit board, then rinses the unit in a sink to prep it for repair. Step 5 - Kyle R. Kuffrey does the repair on a solders it at his work station.

How to repair a circuit board. The vintageTEK museum is a geek’s paradise to tour if visiting the Portland, Oregon area. The museum has working products from about the first 50 years of the company.

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.

It’s not uncommon in cheaper devices to find a ribbon cable soldered directly to the circuit board like the one pictured above. Using a connector would have been a much more resilient approac… ...

We asked an expert to explain all the problems that can cause tripped circuits, how to check your circuit breaker, and when to call a professional.