Rebuilding the High Voltage Section of a Williams / Bally DMD Controller Board Using a GPE Parts Kit -

This is a photo for the location of the parts supplied with the Great Plains Electronics DMD repair kit. Note that GPE no longer seems to supply kits, so these parts could be ordered through GPE individually. Here is a link to the former page and the parts needed.
A similar kit is available from Marco.

This repair kit is to replace the parts associated with the HV section located in the Dot Matrix Controller Board.

Instructions and a conversion from the part ID to the supplied part is located on a PDF supplied by GPE downloaded here.