Astronics Test Systems (PinPoint, TestVue, and Transit Products) | 1,890 followers on LinkedIn. Astronics Test Systems (formerly Diagnosys) manufactures and sells Automatic Test Equipment and Services for the test, fault finding, and repair of electronic circuits. Services include solving obsolescence issues in electronic circuits and also the ability to remanufacture obsolete circuits thereby extending life of equipment. The products and services are aimed mainly at Defense, Mass Transit, and other industrial sectors for the support and maintenance of their electronic systems that contain high value circuit boards.