(Topic ID: 358278)

Big Brave not starting up

By MarkusDipper

23 days ago

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#1 23 days ago

Hi all

I would appreciate some help with my BIG BRAVE machine!
At our last competition the wire in picture 1 started to get really hot and smoke appeared in the cabinet. We realised this early and turned the machine off.
After several months sitting unplugged, I turned the machine back on and all worked fine. I played a few games, continuously checking the temperature on the wire, but it stayed cool.
Then the playfield lights started dimming each time I pressed the left Flipper button. After pushing the button a few times to work out what’s happening, a flickering happened inside the cabinet (by the left flipper) and the machine stopped working shortly after.
At the moment, the lights on the Backboard are on (Player 1 and the number 3; when I reset the relay board, both players are lit), but nothing else works.

The coils return a normal reading. I checked all fuses and the cases and the continuity of the wires going to and away from the fuses and they are all good.
I checked all cables and fuses up to the S relay and continuity is fine. According to a repair video, Step 2 in the start up sequence is the S relay and when SB@ trips it starts the reset of the Score reels. My BB doesn't do this. So the startup issue could be in there somewhere, but I don't know what to look for.

The left Flipper EOS switch looks like it got hot too. see pic 2

Where should I look next? I’d appreciate any help I can get and am happy to upload more photos. We have a big 3 day competition at our house coming up next weekend.

Thanks heaps already in advance.

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