Category: Konami
-
Frogger Problems
So I visited the arcade of someone I have come to know and while taking a look around and playing a few games, I stumbled across this screen on a Frogger: Not exactly playable, if you catch my drift. Went over the usual stuff, power, reseating, etc. Voltage was a little low, and the power…
-
Roc’N Rope PCB Issues
Got an interesting problem with a Roc’N Rope board that I recently connected up to the new JAMMA test rig. It has all its sounds, and plays correctly, but the text and tiles (e.g. the title graphics and the graphics used to build the levels) are all upside-down! When the screen is flipped for cocktail…
-
Gyruss (Konami, bootleg)
Boots and passes self-test, but immediately coins itself up and starts playing itself(!), although not too well. Well, it looks like some of the inputs are firing rapidly and randomly. Grounding one of the enable pins on one of the 74LS253s seems to make it settle down for a few seconds, so I will try…
-
Kicker (Konami)
Random garbage (no sprites) and occasional random sounds, reboots randomly. Clock looks good, CPU and bus address and data lines have what appears to be otherwise normal activity (i.e. nothing appears stuck or floating). Pulled EPROMs and Romidented them; Romident does not identify all but 2 of them, and the two that are identified are…