(Topic ID: 242970)

Stern 1982 Iron Maiden


By chad

9 days ago



Topic Stats

  • 25 posts
  • 8 Pinsiders participating
  • Latest reply 5 days ago by HHaase
  • No one calls this topic a favorite

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#1 9 days ago

Looking for info on the board that controls the strobe? Lamp in the back box. In need of one. The manual has no description. (Appears manual is incomplete?) Thank you

#3 9 days ago

Already did. Thanks!

#5 9 days ago

Ok , will give it a try. Thank you.

#6 9 days ago

Here's pictures of the one in my game. Is that all you need?

John

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#7 9 days ago
Quoted from Dayhuff:

Here's pictures of the one in my game. Is that all you need?
John
[quoted image][quoted image][quoted image]

Thanks John. Now I just need to located one of these boards.

#8 8 days ago

I think it's a rip off of a solenoid expander board that runs a single flasher bulb. Could very likely just use one of those (Bally or Gottlieb) but you may have to investigate the circuit and also make a plug adaptation.

#9 8 days ago

Cool thank you

#10 8 days ago

LOL knowing Stern in 1982, I'm sure there's an exact schematic in a Bally or Gottlieb game of the era.
Other than Flash Gordon, what games used strobes like those?

#11 8 days ago

Flash Gordon is the only one I can think of.

#12 8 days ago

Same here, it's the only other one I know of, but the Flash Gordon schematic doesn't look anything like the Iron Maiden board.
So it may actually be a unique design to this machine.

#13 8 days ago
Quoted from HHaase:

Same here, it's the only other one I know of, but the Flash Gordon schematic doesn't look anything like the Iron Maiden board.
So it may actually be a unique design to this machine.

Right. You have a much better chance of incorporating a Bally or Gottlieb sol. driver expansion board to drive that single flasher.

#14 8 days ago

Well, I’m trying to build an Iron Maiden using an f2k as a base, so this info is super helpful

#15 8 days ago

One of the favorites in my collection, I must say.

#16 8 days ago

Get me some good hi-res photos of both sides of the board, and I’ll probably ask for some part numbers, I can build new ones ..... assuming whatever is behind that heat sink isn’t really odd.

#17 7 days ago

Here's more pictures, certainly not hi-res but its the best I can do.

John

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#18 7 days ago

Those will do quite nicely!
Any chance you can read any markings on CR1, Cr2, C1, C2 and C4?

That’ll let me get a schematic made up. Then I think just hole size and spacing would be all else I’d need.

#19 7 days ago

I’m in for one!

#20 7 days ago
Quoted from HHaase:

Those will do quite nicely!
Any chance you can read any markings on CR1, Cr2, C1, C2 and C4?
That’ll let me get a schematic made up. Then I think just hole size and spacing would be all else I’d need.

CR1 has 4004 on it.
Nothing on CR2.
Nothing on C1.
C2 has 1K100 on it.
C4 has ECI 474K 100V on it.

Hole size in the corners is 1/8th inch. The board measures 2 1/2" x 3 1/2".

John

#21 7 days ago

Awesome, Thanks for posting John!!

#22 5 days ago

May take a bit, but already working on building the schematic for this one.
Looks like there's zero reference out there on this board, so I'll also work on adding it to PinWiki.

John, mind if I use your photos for that?

-Hans

#23 5 days ago

Not at all, knock your self out.

John

#24 5 days ago

Much appreciated!

Just need to clean it up a bit, but schematic is done, and I'll probably stick with thru-hole for this one as I don't see me making it in big numbers.
So I can work on the actual board layout too. Bill of material may take a bit.

-Hans

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