Arcade Collecting > Pinball
The Buck Rogers Project
Cyberflexx:
I checked all my coils today and the are all above the 2ohms like what I found in the troubleshooting guide. From what I read, this tells me that my driver board is OK.
I need to test the main power transformers, but there are so many connections and I am not sure how to test those.. I do know that the outlet plug works since i plugged the shop light into it.
Cyberflexx:
Repair Update:
I got my new ( used) ball shooter assembly today and just now got it installed.
Not a major update, but i'm getting closer to being able to play it..
Now I need some new balls.. ( that's what she said. LOL!) mine are rusty..
Cyberflexx:
I replaced the 7405 IC that was fried and also did the battery pack mod. I ordered a new MPU/Driver board cable since mine needed re-pinned and I really didnt feel like ordering the parts and making one myself. Heck it was only $25 bucks shipped.
I also noticed that my knocker coil was reading .9 ohms so this is bad and might be why the 7405 blew in the 1st place ( before i owned the machine) I just cut the wire off of it for now until i can get the system 1 board working.
Cyberflexx:
My score displays are known working now. I need to clean the connections but I was able to get 77777 across the displays. Please note I am didnt have the driver board hooked up and i am using a non working system 1 board. I was just happy that I didnt have to buy knew score displays.
Cyberflexx:
i got my new cpu/driver cable in the mail this morning. I plugged it into the driver board and the cpu board and i turned on the machine. I heard a click sound and then some start up tones that I never heard before. This is good news. I now need to finish fixing my CPU board since the 7405 int he lower left is still giving me fits..
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