Advice and guidance on repair and restoration techniques.
platau
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Help with Aristocrat Mayfair

Postby platau » Fri Oct 27, 2017 11:42 pm

Hi all, I'm trying to repair an Inca Gold electronic machine.
It had several levers that were bound up with old hard grease that I managed to free up and get the mechanics working.
Now there are electrical issues. The only thing working is the top light, I should be able to get the door lights working, but the rest of the electrics might be a problem.
When I first plugged it in, nothing happened for maybe 30 secs then a puff of smoke from the main board in the top which revealed a burnt resistor. Don't know the size of it.

Any idea where I can get circuit diagrams for it ?

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coppinpr
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Re: Help with Aristocrat Mayfair

Postby coppinpr » Sat Oct 28, 2017 8:10 am

Your machine may be a bit of a late model for us on this site, but post a photo of the machine. We do have Aristo experts on the site and I know one just repaired a four reel with a board. The puff of smoke doesn't sound promising. It's not so much the burnt out resister but what caused it to blow. :!?!:

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badpenny
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Re: Help with Aristocrat Mayfair

Postby badpenny » Sat Oct 28, 2017 10:20 am

As I said last week .... you'll never get that blue smoke back in.

Post us a photo of the circuit board and indicate the suspect item, there are a few here who can read those do-hickies.

platau
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Re: Help with Aristocrat Mayfair

Postby platau » Sat Oct 28, 2017 10:38 am

Thanks for the reply.
It's a 3 reel machine.
You can see the hopper type in one photo.
Click on the circuit board and you will see the fried resistor.
IMGP3434.JPG
IMGP3438.JPG
IMGP3437.JPG

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coppinpr
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Re: Help with Aristocrat Mayfair

Postby coppinpr » Sat Oct 28, 2017 4:50 pm

Widget will be along soon to at least help I'm sure...We warned him when he fixed the 4 reeler I sold him that he was now the site's hopper king.

These are at the end of our usual date range. Any machine that goes fizz rather than clang is a mystery to most of us. This is one of the last that did both. :!?!:

platau
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Re: Help with Aristocrat Mayfair

Postby platau » Sun Oct 29, 2017 8:19 am

Even though it is burnt the resistor still measures 56ohms, maybe that's the right replacement.

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badpenny
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Re: Help with Aristocrat Mayfair

Postby badpenny » Sun Oct 29, 2017 11:48 am

Is the resistor fried or is it suffering from a dry solder?

platau
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Re: Help with Aristocrat Mayfair

Postby platau » Sun Oct 29, 2017 12:37 pm

She's fried alright... all of the coloured bands are now black. :)

platau
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Re: Help with Aristocrat Mayfair

Postby platau » Mon Oct 30, 2017 1:16 pm

After removing the resistor I took it out in the sun with my loupe and I could see the first band is green so 56ohm will be the replacement.
Would like to know what the circuit with that resistor in it actually does?

Another question: What's the green button for?
When the door is open, there's a momentary green button right up the top on the left.

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badpenny
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Re: Help with Aristocrat Mayfair

Postby badpenny » Mon Oct 30, 2017 3:28 pm

Might it activate a relay which in turn isolates the mains power within the cabinet? !!IDEA!!


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