30 Common PCBA Defects to Watch For
A practical checklist for SMT and through-hole defects, inspection gates, and ways to use your line data to set priorities.
Explore the defect guideJ&K Custom Electronics · Plant Floor Playbook
Practical answers for production problems.
Manufacturing issues show up as recurring defects, scrap, low yield, equipment interruptions, or assemblies that fail inspection or test. The Plant Floor Playbook brings together clear troubleshooting guides to help you understand what to check and narrow the cause before changing several process variables at once.
Manufacturing troubleshooting
Browse the guides
Start with a current issue, then use the checks in each guide to build a more focused investigation.
Why PCB Warpage Happens During Reflow and How to Reduce It
Learn how board materials, copper balance, stack-up, moisture, fabrication stress, reflow conditions, and support can contribute to bow or twist.
Read the PCB warpage guideGrowing resource library
More manufacturing topics are on the way
New guides will be added as practical, evidence-based guidance is ready.
PCB assembly and rework
SMT process control
Production flow and yield
Equipment and automation
Inspection and test
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Working through a manufacturing problem?
If a guide does not cover your situation, share what is happening, what you have tried, and any measurements or process information you can provide. J&K can discuss the problem and help identify a practical next step.