(Topic ID: 272217)

Bally AS2518-54 rebuild questions

By ChadTower

3 years ago


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  • 17 posts
  • 7 Pinsiders participating
  • Latest reply 3 years ago by barakandl
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#1 3 years ago

Rebuilding this power board. One of the bridges is off board sinked on the same metal plate the mounted bridge is on. Should I mount the replacements as original or keep this off board setup? I'm assuming the off board setup is mostly because it's a different lead type and can't be soldered onto the original board?

This is for home use only.

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#2 3 years ago

One more question... does anyone know the size of the screws that should go through the bridges? This game didn't have any.

Nevermind, same size as the mount screws.

#7 3 years ago

Great info guys... thanks... but with LEDs this really shouldn't be an issue, yes?

#8 3 years ago

Rebuilt and back in the game.

Voltage on TP1 and TP3 look a little high... but not too high to be worried? Can someone validate?

TP1: +7.7
TP2: +245
TP3: +15.4
TP4: 6.75
TP5: +44.7

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#10 3 years ago
Quoted from barakandl:

When the driver board is connected it should come up to 230v.

Hrm. These readings are with everything connected and the game in attract mode.

#13 3 years ago
Quoted from DennisT:

One thing that gets over looked that you might check. It’s the voltage tap setting on the main transformer. I believe from the factory their set for 115 volts which was normal back in the day. Now you can see readings from 120 to 125 volts. I would change it to the 120 volt tap if it hasn’t been done yet. It will also help lower the secondary voltages back to where they should be.

I'll check my line voltage and look at that. Thanks for the tip.

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