Pinball Machine repair maintenance service manual Hornick Electronics

  
It is The Holy Grail of Early Solid State Pinball service & Repair manual. This is Volume 2, the useful YELLOW one, the actual nitty gritty of the pinball circuits. Vol 1 BLUE (is not included) and contains a full course in Electronics circuits principles. This has 148 pages and 4 sections. Section 2 is 42 pages dedicated to Bally.

Section 3 is 39 pages dedicated to Gottlieb. Section 4 is 43 pages dedicated to Williams. The book does not cover later circuits, although the principles learned can be easily be applied to later machines. Hornick, is the best textbook ever written on the subject of early solid state pinball repair I think it was originally written for a University course in pinball repair at a Canadian University.