A few weeks ago, the right flipper stopped working on my WCS. I checked the spring, soldered wires, fuses, etc and the only thing that seemed off was that the holder wire seemed very loose. I decided to just buy a new coil. I installed it this morning, then started it up. The display stopped working, the right flipper went up, then stopped. I checked and fuse f112 was blown (it is a 7amp solenoid fuse). I replaced the fuse, checked everything around the right flipper coil and turned it on. This time, it did the same thing (right flipper went up, then everything went out). This time, the line filter (8amp) fuse was blown. Any suggestions?

Thank you. Here is a picture of my new coil and the wires are in the same spots as the previous coil and the diodes are also going in the same direction. I compared it with a picture of another pinsider’s machine and it looks the same. Any ideas? Also, I have been wondering what these two clips labeled “ss” mean. I’m sure they have nothing to do with it but now I have been second guessing myself wondering if I accidentally unplugged them.

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Do you think I should connect the two SS cables together? Any suggestions out there for the blown fuse issues? I feel like it has to be connected to the flipper coil wiring?

Thanks and sorry for the delay. Tomorrow I am going to figure out how to tests transistors and reply back with an update

Ok I tried to check the transistors and they seem ok but I can’t say for sure as I don’t really understand them. I replaced the blown fuses and disconnected the right flipper coil, then turned on the machine again and no fuses blew. Before I solder the coil back on, does anyone have any other suggestions?

How do I know which transistor?

Thank you for answering my questions. I just did a bunch of research and realized I was testing my transistors wrong. Just tested q4 and q11 and both are reading in the correct range. I currently have the right flipper coil removed. As a reminder this all started when my right flipper stopped working in the middle of a game. The holder wire seemed really loose and I decided to replace the whole coil. After I installed the new coil, I started blowing fuses every time I turned the game on. All blown fuses are now replaced, the relevant transistors tested ok and the diodes on the new coil seem ok (going in the same direction as the previous coil). I did double check the wires on the lugs to make sure all were correct and they matched the colors/order that they should be. Should I just install the new coil again and see what happens? In the back of my mind I’m thinking I probably didn’t need a new coil in the first place and probably never fixed what cause the flipper to not work originally. Thanks again

Bump

Quick update in case someone stumbles across this post later with the same problem. After disconnecting the new coil, I decided to re-install the old coil after checking the diodes. I soldered the new coil on and, after reading lots of posts to try to understand what made the right flipper stop working in the first place, I replaced the coil sleeve and cleaned the opto boards. Everything works as it should now and, once again, I spent money that really wasn’t needed, but learned a lot when trying to fix it, so it’s all good. Thank you