I just started working on an Aztec. The previous owner said that it was having some problems and then it just quit working. He didn't get specific about what happened. I plugged it in yesterday, turned it on and all the lights came on. When I tried to start a game the only thing that happened was the score reels reset, but that was about it. I looked under the playfield and noticed a bonus unit coil was fried (see attached photo). I also notice a fuse was blown and someone has soldered a wire across the outside of the fuse. I assume this was because the fuse was continuously blowing and they got tired of replacing it. I removed the soldered fuse (see attached photo). I also notice a location where a score reel coil had fried and been replaced (see attached photo). I would appreciate any help on diagnosing this problem.

I have a couple of EM's and have worked on them a little, but still consider my knowledge of EM's to be basic.

The backglass on this game is beautiful and the playfield will clean up nice. It deserves to be restored and enjoyed once again.

aztec1 (resized).jpg

aztec2 (resized).jpg

aztec3 (resized).jpg

Player 1.

Thousands (I think, but I can check)

Thank you so much. I thought I was going to get a response that was over my head, but this make sense to me. Having the manual and being able to compare it to your response helps. I will let you know the results.

I replace the coil, replaced the fuse and adjusted relays and the bonus unit is now working just fine. Thanks for the advise. However, now it will not cycle through the players properly. During a 4 player game, when the ball drains on player 4 it will go back to player 3. It continues to go back and forth between player 3 and 4. It will never go back to player 1 unless I restart a game. The rest of the game seems to be working properly. Any further help would be appreciated.

I will give it a try. Do you recommend a specific metal polish and teflon gel?

I have a Jet Spin that I am working on also. Would it be easier to private message you about it?