Archive for category Working pretty well

Quick post for April

Nothing really new to report, other than that I have put in the coin door locks that The Real Bob Roberts sent me. So far, I have not been able to eclipse the 2+ million points I scored on my first game with the new joysticks, but I have been coming close.

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Move joystick replaced

Thanks to the helpful Bob Roberts (the Real Bob Roberts, of course), I replaced the guts of the often malfunctioning move joystick on the Robotron.  I would guess that the joystick was original to the game, as the leaf switches were pretty much shot.  My first game with a 100% working move joystick reached 2,159,100 points.  I still need some practice.

Also, the monitor is showing some anomalies.  The two things that jump out right away are some colored pixels visible at the extreme right side of the monitor, and some mostly vertical lines at the top of the display, with an area of cycling colors as part of these lines.  (Please see the high score screen picture in my last post to see what I am talking about.)  Does anyone have any ideas as to how to remedy this?  Hopefully it is fixed with an adjustment, as I am not sure I am ready to install a new cap kit.

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Settings now saving correctly

Thanks to Bob Roberts, the Robotron is now working pretty close to 100%.  I replaced the CMOS RAM chip on my spare CPU board, and now it is in good shape.  Here is a picture of the handiwork on the CPU board, and a picture of the high score screen after I played the first game with it working…

New CMOS RAM chip First game after repair

Now, the move joystick is a bit wonky, and as you can see from the picture of the screen, I think I need to get a cap kit.

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