PCB rework for the purpose of fixing unfortunate design problems tends to involve certain things: thin wires (probably blue) to taped or glued down components, and maybe some areas of scraped-off ...

Bannockburn, IL. IPC has released IPC-9121, Troubleshooting PCB Fabrication Processes, an essential resource for anyone involved in manufacturing or purchasing printed-circuit ...

In this month’s troubleshooting problem, you have been called by a colleague who is relatively new to HVACR to assist in repairing a split system in a manufactured home. The original diagnosis ...

Boundary scan, based on IEEE Standard 1149.1 and related specifications, has become widely used to solve difficult test problems on complex PCBs. The difficulties arise due to lack of access ...