The lamp rows are controlled by TIP122/102 The 18 volts on and off many times within a second. The lamp columns are controlled by TIP42 transistors that switch
This voltage is strobed (turned on and off very quickly),Īnd hence the final power to the lamps is about 6 volts. This gives a total ofĦ4 CPU controllable lamps. That is, thereĪre eight lamp rows, and eight lamp columns. Lights controlled by the CPU (not the General Illumination lights), areĬontrolled in a similar fashion as a switch matrix. Fixing a Dead CPU Using Leon's Test EPROM.Relays and Playfield Device Driver Board Problems (Cold/Fatiqued Solder Joints)īridge Rectifiers, Power Supply) and Strange Game Behavior.Burnt Connectors (General Illumination).Using the Internal Adjustments, Audits & Diagnostics.If you aren't up to repairing your DataEast/Sega circuit boards yourself, I recommendįully restored pinballs, please see Will NOT repair your circuit board after it has been unsuccessfully repaired ("hacked") by you. These pinball repair documents have been available, repair facilities are reporting aĭramatic increase in the number of ruined ("hacked") circuit boards sent in for repair. Which goes over the basics of circuit board repair. YOU SHOULD NOT TRY TO FIX YOUR OWN PINBALL GAME!īefore you start any pinball circuit board repair, IF YOU HAVE NO EXPERIENCE IN CIRCUIT BOARD REPAIR, (leaving a picture split on two pages), where Netscape does not. Unfortunately Internet Explorer (any version) can page-break in the middle of an inline picture
When printing this document, it is recommended to use Netscape (version 3 or higher). This document is part three of three (part one is Updates of this document are available for no cost at Sega games are included from 1994 to 1995 as Sega bought This document is a repair guide for DataEast and Sega pinball games made from 1987 (Laser War) toġ995 (Batman Forever). To Sega 1995 (Batman Forever), Part Three PINBALL: Repair DataEast/Sega 1987-1995 Pinball Games, part three
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