![]() (Edit: after rebuilding the flippers I lowered the game to (Closer to) 6.5 and the trex shot is much cleaner and stays in the kickout more often). There's always a touch of luck to it, imo. The trex shot though can be a bit frustrating. And the feed trex is really well done with one of the best shaker motor effects ever done in pinball. Especially escape and system boot (edit: meant to say raptor rampge). The modes are quite numerous and some are super clever. Both are very lucrative so it feels like there is multiple strategies to getting a good score. The chaos mb ( the third phase of the trex mb) and the system failure are both great peek moments to the game and almost feel like 2 separate wizard modes. With it all starting with one of the greatest toys ever as well, it's quite the 1-2 punch. One of the best MB sequences of all time. I also knew that the code was deep enough that it could keep me interested for a least a year.Īfter fixing it up I really started to enjoy it and understand how creative a lot of the code is. But he also likes the theme much more than I-although, really, dinosaurs in general are always pretty great. I didn't have the highest opinion of the game but a friend had one and it seems like a keeper for him. This listing is ONLY for the cost of the chips themselves, and the service of programming them for you in a format that can be installed in your machine.This was my first dmd and I expected to fix and flip it. We do not sell or claim ownership to ANY software. Software remains property of the respective author / manufacturer / copyright holder, who has made the software freely available to the pubic for the purpose of repairing your own machine. There is no charge or cost assessed for the software itself contained on the chips. Now, this search will be resumed each time the T-Rex “feed mode” is enabled. In the past, when the center switch was not found on its initial search, the assembly would be disabled. In addition, this program also allows the dinosaur to operate more intelligently. We strongly urge all games be updated to this version ( 5. Additionally, the updated CPU ROM sent with this bulletin will prevent this lock-Jaw condition from occurring even when the conditions described above are simulated. When this condition occurs, and, the ball drains to the outhole before the dinosaur is in the upright position, (TOP SWITCH ON), the mouth coil remains energized, resulting in possible damage to the coil and its associated transistor driver (Q26).Ĭure: If you find that the ball slips out of the dinosaurs mouth, gently bend the metal forming the upper teeth slightly outward, this will insure the ball is “swallowed” every time. Symptom: Sometimes the dinosaur can not properly grip the ball resulting in it slipping from the dinosaur’s mouth. The new program provides a more intelligent speed control to help slow it down prior to the limit switch closure. (The motor operates one of the switches used to stop it’s rotation and due to wide variations of the motor speed, over travels and strikes the mechanical stop.)Ĭure: To prevent shock to this motor, use the attached diagram to adjust the left and right limit switches and change the program to version 5.00 as supplied in the kit. Symptom: The Left-Right motor fails prematurely, or struggles to move the head left and right.Ĭause:Damage to the gearbox, due to excessive speed of the mechanism. This slowed the left/right motor down to reduce wear and tear on the gears.ĬPU 5.10 is the latest revision and was released strictly to eliminate the display blanking out in attract em #4). v5.01/v5.10 / Service Bulletin #53ĬPU 5.01 is the latest T-Rex related update. Solution: Install CPU/DISP EPROM Revision 5.10. at which time the game micro-processor goes into a wait status which times out in approx. Problem: There is a communication error between the game C.P.U. The display blacks out for approximately 15-30 seconds. Symptom: We have found a condition that occurs in some games, in Game Over Mode. Info is not complete, but this info was included in official service bulletins) v5.10 / Service Bulletin #47 Print Revision History: (Included for reference.
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