How to Read CRT Tube Part Numbers
All picture tubes, whether monochrome or color type are identified by a specific code consisting
of numbers and letters. The codes are different from each other because different tubes have
different characteristics.
For example, a certain monitor colour picture tube may have the designation, M34AFA63X03 that
can breakdown into 6 parts: M/34/AFA/63/X/03
Part 1: Application
Computer monitor tubes start with the letter "M