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(Topic ID: 276454)

Gottlieb System 3 Strikes n Spares Flippers dead


By RC_like_the_cola

50 days ago



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  • 18 posts
  • 7 Pinsiders participating
  • Latest reply 47 days ago by RC_like_the_cola
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#1 50 days ago

Just picked up a Strikes N Spares. The upkicker transistor is blown. Coil and diode test good. Fuse F23 is blown. I don't have any of these 2N10L transistors, but it seems this game only uses a small fraction of the 32 of them on the board. Can I rob one from say Q32 and move it over without any issues?

Thanks,
RC

#2 50 days ago

If there's nothing connected to them sure!

#3 50 days ago
Quoted from slochar:

If there's nothing connected to them sure!

Thanks. That particular one and several others are not used in this game.

#4 50 days ago

IRL540 is a more common modern replacement, if you happen to have any of those

#5 50 days ago
Quoted from zacaj:

IRL540 is a more common modern replacement, if you happen to have any of those

I believe I do. Are they the same used in Stern SAM?

I ended up robbing the Q32 and got the upkicker working. Robbed the associated resistor, as it was cooked as well.

Neither flipper works at this time, but I believe they aren't transistor controlled. I'm checking with the previous owner to see if they were working before or not.

This is my first system 3 experience.

#6 50 days ago

Changed the title of the thread.

Flippers not functioning. Here's what I know of the game.

Previous owner advised they worked fine, only one coil wasn't working, which I fixed, per above.

Previous owner removed the head to get the game upstairs.

I believe I got all the connections back where they go, but it is possible this could be an issue.

I changed the battery since it had the original solder tail battery and I wanted to have one with an easy to change holder. Verified good voltage and it seems to hold new settings.

I did a factory reset.

Still no change.

Switches and wiring seem fine. EOS gaps are good.

Game is also in Free Play which I want to change, but can't seem to.

I'm not familiar with System 3 and don't have a manual. Thanks for any suggestions.

#7 50 days ago

I got a Class of 1812 many years ago with non-working flippers. The flippers are not transistor controlled.

#8 50 days ago
Quoted from Betelgeuse:

I got a Class of 1812 many years ago with non-working flippers. The flippers are not transistor controlled.

What was the cause of your flipper issue?

#9 50 days ago

I've also verified the fuses that correspond to the flippers are both good.

#10 50 days ago
Quoted from RC_like_the_cola:

What was the cause of your flipper issue?

It was an unusual case where someone had modified the flipper system for use overseas, but it ultimately came down to some missing wires. It's been years, but i'm pretty sure the high voltage goes directly to the flipper button switches and then to the flippers. There is no pcb involved and it's all in the cabinet.

#11 50 days ago

After a little digging, I found that the Q relay is part of the flipper operation. Mine does not energize. I manually held it closed and the flippers work. Coil tests good, so I'm wondering if Q32 that I robbed controls that relay? There are coil cards in the game, but they don't mention that relay coil with an associated transistor, like the others.

#12 50 days ago

I found some IRL540N in my parts stash and some 2K ohm resistors. The resistor I robbed is 2.2K ohm. I think the 2K ohm will do. Any objections?

#13 50 days ago

Found via another System 3 thread that Q32 does control that Q relay. I just moved the transistor and resistor from Q31 over and all is well now. Phew. I caused and fixed the issue lol.

#14 50 days ago
Quoted from RC_like_the_cola:

Found via another System 3 thread that Q32 does control that Q relay. I just moved the transistor and resistor from Q31 over and all is well now. Phew. I caused and fixed the issue lol.

Dang the luck! Just picked the wrong "spare" transistor!

Congrats on figuring it out.

#15 50 days ago

Glad you figured it out. I hadn't even considered the relay.

#16 50 days ago

Good job I have this game and it’s harder than it looks.221 is my high game.Good luck with it.

#17 47 days ago

I’ve got one of these machines also. The left ball kick out that launches the ball is stuck energized. Eventually it blows the fuse. I know this is a transistor issue. Anybody know what numbers transistors I should change? And what type they are? Thanks.

#18 47 days ago

Q1 is responsible for that coil according to these charts in my game. Per someone above, IRL540 would be a modern replacement.

IMG_20200904_103527718 (resized).jpg

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