(Topic ID: 230852)

Secret Service Pop Bumber Issue

By fraffin

5 years ago



Topic Stats

  • 7 posts
  • 3 Pinsiders participating
  • Latest reply 5 years ago by LTG
  • No one calls this topic a favorite

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#1 5 years ago

I am mainly an EM person. I own one SS, Data East Secret Service. I was working on the pop bumper switches last night trying to get them to be more responsive. Being an EM guy I was working with the machine powered on. You guessed it. I shorted the switch against one of the coil lugs for the blue pop bumper. Fuse blew, etc. Now when I power the game on everything works except the blue pop bumper. It no longer fires, and it overheats with the switch open causing the 5 amp slow blow fuse to blow mounted in the head on the right side. I'm looking for advice before buying a new coil. Is it the coil, one of the diodes or something on the CPU board?

I also have a second question concerning the F5 and F6 fuses on the Power Supply Board. In the head next to the board there's a fuse block diagram that shows these should be 2 1/2 and 7 amp slow blow fuses. The game schematic shows them as something else (I think 5 and 7 amp slow blow), and another diagram I got off the internet shows them as 3 and 8 amp slow blow fuses. Does anyone know what they really should be?

#2 5 years ago

TO your first question
don't know a lot about data east but it sounds like you may have blown a driver transistor for that coil and its getting hot and blowing fuse.
I'm assuming you mean the coil gets hot.

#3 5 years ago

Yes, the coil is getting extremely hot.

#4 5 years ago

Do you have a manul? Need to figure out what q transister runs that coil
On bally/Williams games it would be a tip102

#5 5 years ago

Should be Q10 blue pop, looks like a tip 122 a tip 102 works as well its a little more robust

#6 5 years ago

Wish I knew how to read SS schematics like I do EM schematics, but I agree. It looks like a tip 122 at Q10. So I just replace that on the CPU board? Is there a way to test to confirm this is the issue in advance?

#7 5 years ago
Quoted from fraffin:

Is there a way to test to confirm this is the issue in advance?

Put a meter on it and see if it shorted.

Or put in a new one. Turn game on, if coil goes on turn off immediately and figure what next.

LTG : )

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