Here are a few images for a closer look at the Hayward GLX-PCB-MAIN control board.
If you need repair work done on your GLX-PCB-MAIN control board check out HaflerUSA on eBay. HaflerUSA repairs come with a 3 year warranty. They repaired the clock on my GLX-PCB-MAIN board and I have been extremely happy with the quality of work and support provided.
Common names for these boards are: Hayward AquaLogic, AquaPlus, Pro-Logic, GLX-PCB-PRO, GLX-PCB-MAIN.