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

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 located in a rural area. The ...