(Topic ID: 167508)

Mata Hari Transformer and Rectifier Board Issues


By QuietEarp

3 years ago



Topic Stats

  • 25 posts
  • 6 Pinsiders participating
  • Latest reply 3 years ago by QuietEarp
  • Topic is favorited by 4 Pinsiders

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#2 3 years ago

You should start here:

http://www.pinwiki.com/wiki/index.php?title=Bally/Stern#Bally

F6 is your Mains AC input to the transformer.

When you say "power supply" you mean the rectifier board?

Remove ALL fuses except F6. Does F6 still burn?

The game may be a repatriated export and needs to have the transformer re-strapped (jumpered) for domestic use.

#4 3 years ago

By removing all fuses except F6 (AC Mains IN) you have isolated the transformer from the rectifier. The fact that F6 now survives indicates the transformer and wires to the rectifier are not shorted somewhere.

Now you need a 3Amp Circuit Breaker, or a handful of 3A SLO-BLO fuses.

With only F6 installed, power up game. The fuse should survive if I understand correctly. Power down.
Install F5. Power up. If both fuses survive, now you will have visual confirmation if the game is actually a ON or OFF.

Now continue replacing the fuses with the correct rating with power off each time.

You should run into one that pops the Mains again.

Let us know what your investigation reveals.

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