Claro, hoy en día hay repuesto para casi todo. Las MPU muertas..... ahora hay nuevas y con tecnología actual. Hay más información tb, yo aprendí mucho de pinrepair.com. Antes no había un lugar como ese donde encontrar tanto dato específico y de todas las marcas disponibles. Era un paraiso hasta que el compadre lo dio de baja. Por suerte respaldé todo o casi todo.
JJ, me gustaría estudiar esa CPU "araña". Ya he logrado reemplazar con éxito algunos procesadores extintos por otros no tan escasos. Si me puedes dar el Nº que trae impreso arriba quizas algo se pueda hacer.
Aqui encontré lo que leí alguna vez:
The System 1 technology is simple. Gottlieb did not use electronics to create anything that couldn't have been done with EM technology. The playfield is very similar to the last EM playfields. Gameplaying happens in one level with no ramps or rails. There are 2-4 flippers, usually two slingshots, and some bumpers. Occasionally an eject hole and droptargets. You can get a picture of how simple the games were, by thinking that the System 1 driver board could control just eight solenoids - of which the sound controls, knocker and outhole already took 5 in every game!
Traducido:
La tecnología del system 1 es simple. Gottlieb no usa la electrónica para crear nada que no pudiese hacer con la (antigua) tecnología electromecánica. El playfield es muy similar a los de las últimas electromecánicas. El juego sucede en un solo nivel, sin ramplas o rieles. Tienen 2 o 4 paletas, usualmente dos elásticos, y algunas cayampas. Ocacionalmente un hoyo y un banco de cartas. Puedes hacerte una idea de lo simple que los juegos eran, pensando que la tarjeta driver solo puede controlar 8 (salidas) bobinas, (pero) y el control de sonido, golpeador y el hoyo de salida de la bola ya ocupaban 5 de ellas en cada juego!
En buenas cuentas, en ese primer sistema Gottlieb no le saca a la electrónica todo el partido que podría haberle sacado. Se conformaron con que la máquina prendiera, marcara la ficha, fuera jugada y chao. Nada de demos, juegos de luces, animaciones en display, sonidos sintetizados, osea, se la perdieron.
PD: tb leí que en Gottlieb tenían un miedo atroz a la transición de electromecánica a electrónica, temiendo perder a sus fieles clientes de la era EM. Tanto así que algunas máquinas electrónicas, tb las fabricaron electromecánicas ¡dos versiones por máquina! que tontera.
Si quieren aprender un poco más del tema:
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System1 was Gottlieb's first series of solid state pinballs introduced in late 1977. Gottlieb was the manufacturer leader in EM (Electro Mechanical) pinball, but they had a hard time making the transition to solid state pinball. They were also the last manufacturer of the big four (Bally, Williams, Stern, Gottlieb) to switch to solid state technology, and even made some games in both solid state and EM formats until 1979 (where the other manufacturers had abandoned the EM pinball format since 1977.) Bally and Williams had been working on solid state architecture since about 1975, and fully adopted the technology by early 1977.
Gottlieb had hired a new young electrical engineer to help develop their own solid state pinball hardware. Yet after about 6 months on the job, their new employee quit. This put Gottlieb in a bad situation - time was already working against them, and they no longer had an electrical engineer working on their new solid state board system. Being in a pinch, Gottlieb hired Rockwell to design their solid state pinball boardsets (although a bid was sent to National Semi-Conductor too, Rockwell was chosen because of their ability to supply all chips and boards, and a system to program the game chips.) Again they were already behind in this new solid state pinball race, thus making them the last to enter the solid state market. This was a mistake that Gottlieb endured for many years, as Rockwell did not serve Gottlieb well. Gottlieb went from being the premier (EM) pinball maker, to being in last place for many operators. While all the other pinball manufacturers used the 68xx series of micro-processors on their boardsets, Gottlieb used something different. This meant different parts and different service techniques. The whole Gottlieb system was different in so many ways, making them the odd man on the block. Why own a Gottlieb solid state game when you could buy a Stern or Bally, and move boards back and forth between games? Heck, even Williams used the 68xx series of chips like Bally/Stern. Commonality meant a savings in parts and money. Yet here's Gottlieb, different, and with early solid state reliability problems which they just couldn't shake.
Interestingly, Gottlieb did make some System1 titles in EM format too, but in much smaller numbers. The EM versus SS (solid state) games had generally the same rules, but the solid state versions could go to 5x bonus and 999,990 point scoring (where the EM versions were limited to 199,990 points.) The system1 titles that were also made in EM format included Joker Poker (EM version only going to 2x bonus), Cleopatra (both EM and SS made with identical rules using 2x bonus max), Close Encounters of the Third Kind (EM version only going to 3x bonus), Charlie's Angles (EM version only going to 3x bonus), Sinbad (EM version only going to 2x bonus), Solar Ride (EM version only going to 1x bonus), Count Down (EM version only going to 3x bonus), and Dragon (EM version only going to 2x bonus.)
