Home » Questions » PCB Assembly » Why is PCB labelling bare part number versus assembled part number?
The bare circuit board may be assembled on different levels. A cheaper level of the board may have some missing parts that go into a final product at a cheap level. Some boards with special features tend to face the same problems, too. Label part numbers to help identify this problem.
By the way, the assembled board might have a stick-on label with the final assembly number.
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