(Topic ID: 288330)

Smoky Smell: Something Wrong with Boards?

By JCO25

3 years ago


Topic Heartbeat

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  • 18 posts
  • 8 Pinsiders participating
  • Latest reply 3 years ago by JCO25
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#1 3 years ago

So I just played some Haunted House and Rocky and Bullwinkle for the first time in a while.
Haunted House has glitched out in the middle of a game, has happened before. I let the machine go.
After an hour, I smell smoke. Shut the machines off, let in some fresh air.

So,
1) Could it be battery leakage from a MPU board?
2) Something else in Haunted House burning?

Please help. Feedback would be appreciated. Thanks kba78

#4 3 years ago

Pictures will be up later. Did look at battery connector, one battery has corrision. Will replace them. Maybe that will help as well?

#5 3 years ago

Sorry. The pictures and batteries I am talking about are for Haunted House.

#6 3 years ago

Pictures of boards and battery connector to Haunted House. Will replace the batteries tomorrow and see what happens.

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#11 3 years ago

MrBally Which board would the bad driver be on?

#14 3 years ago
Quoted from twhtalm:

This transistor next to the J5 connections looks a bit toasted.
[quoted image]

The transistor that says IRF530?

#16 3 years ago
Quoted from MrBally:

Nothing like that "Essence of Allen-Bradley".
As for Haunted House, they all do that. You have a fried kickback coil and maybe a bad driver transistor. Many times, the logic will keep the solenoid energized frying it even though the driver transistor is still good.
I'd consider underfusing the controlled solenoids.

Would that be for the MPU board?

#18 3 years ago

Gotcha. Will look into. Thank you MrBally

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