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VFD Modular Clock IV-4/IV-17 and IV-6 Shield Pinouts

2013.1.4

Here are pictures of the pinouts for the IV-4/IV-17 and IV-6 shields for the VFD Modular Clock. The pinout for the tube sockets as seen from the top and bottom is shown as well as where the segments and grids are connected on the right-hand connector.

Use this diagram to diagnose errors (for instance: if a segment is not lighting up, you can locate where to check for continuity) or as a basis for mods.