(Topic ID: 245201)

Classic Stern Cheetah Club -- Its Fast!

By TractorDoc

4 years ago


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#201 3 years ago
Quoted from TractorDoc:

Cheetah Playfield Update.
CPR should get the glory for the progress on this topic. . . but because I've been talking with Stu and I know he is not on Pinside I'll pass on what he told me.
I officially boxed up and shipped my "donor" Cheetah playfield to Mike so that he can make a CAD file and keep the playfield in CPR's archive.
Stu told me they have ordered the wood for a reproduction run. He also mentioned that due to the nonstandard size/widebody status of Cheetah this will likely be a "one and done" reproduction run. If you think you are on the fence the time to order one would be when they are available.
Stu said they have sold seven sets of Cheetah plastics. . . quite a bit off from breaking even but I bet more than they sold of Dragonfist. (Don't quote me on that!).
I have a few more Cheetah surprises, but those will have to wait for future posts. I bet you are on the edge of your seat!

Please buy a bunch of these playfields so big game might get a run too. I have zero clue why they are willing to make this and not Big Game. At worst they would have the same interest level.

#202 3 years ago
Quoted from TractorDoc:

CPR would need a playfield good enough to copy the art from (Stu does this in Arizona),

I’ve offered a perfect donor Big Game playfield on multiple occasions and they’ve turned me down. Hopefully this good news on Cheetah will change their mind on Big Game in the future.

#204 3 years ago
Quoted from TractorDoc:

Part of it may be Stu's desire to reproduce the artwork

Yep. I think this is it really. He harped on the little to no interest in new plastic sets, so that’s why I got confused when you said they are moving forward with Cheetah even though they sold barely any plastic sets for that too. No big deal, I just hope they eventually decide to make Cheetah and Big Game.

I’m very interested in a cheetah PF even though I don’t own it. Haha

4 weeks later
#217 3 years ago

Weebly is a drop in replacement just like alltek. I don’t think you can change the roms in that either.

So I don’t think it will help your situation.

#219 3 years ago

Damn that’s awesome!

#223 3 years ago

Special is probably worth 100k

1 month later
#267 3 years ago

If either of you do that for big game and have original big game spinners, can I buy them and send you a standard stern spinner?

1 week later
#286 3 years ago

The bands of the diodes point to power. Eos switch is connected to power and the middle lug.

I’m not an expert on reading schematics, but it appears the blue wire is power as it’s connected to the fuse.

So this wiring appears right.

#288 3 years ago
Quoted from emsrph:

Thanks chuckwurt
Any others to confirm which way is absolutely right? Wouldn’t be the first time schematic is wrong (or me).

Its easy to confirm. Use a meter to measure which wire power is going to.

#290 3 years ago

Oh okay. Well I guess I don’t know how to read the schematic then. By the lines alone it appears to me that the eos doesn’t hook to the orange wire at all.

1 year later
#480 1 year ago

I’m finally going to be a member of the club! My good friend I making me a scratch build of a black cabinet cheetah. Gonna be a while, but I can’t wait!

#482 1 year ago
Quoted from hisokajp:

got the drop target bank from a F2K?

No idea. I’m sure a few games will be sacrificed to make this. I think he’s mostly killing F2Ks, hot hand, and meteors with his scratch builds.

1 week later
#491 1 year ago

Ooooo. Ahhhhhhh.

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#494 1 year ago
Quoted from cottonm4:

That looks good ! Are these the factory colors? I am going to copy you when I do my Cheetah build.

Jjsmooth is doing this, but I believe these are the stock colors. Then there’s a blue version that a small number of games did, but I like the black better.

#497 1 year ago

I’m used to the big game cabinet, so the cheetah black cabinet scheme is amazing compared to that. Haha

2 months later
#508 1 year ago

Can i get a playfield picture from this vantage point from someone’s completed game? I need it to do a minitorial on the games rules, and mine is not complete yet. Haha.

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1 month later
#530 1 year ago
Quoted from robx46:

Can anyone tell me why this could be happening? Maybe wrong rubber for the mini post? I got the rubber ring set from marco. Should this be using the even smaller rubber? Ball does fit down the same lane on the other side but just barely.
[quoted image]

Slingshot rubber needs to be tucked behind the metal ball guide.

There’s also really no point to have rubber on that post.

#532 1 year ago

Put smaller rings on the slings will fix it too.

2 weeks later
#536 1 year ago

My cheetah should be ready next month!!

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#540 1 year ago
Quoted from cottonm4:

Are those Bally flippers?

Not sure. If they are, I’ll fix it later.

Quoted from play_pinball:

Looking good. The back rail shouldn’t go across the entire top of the playfield though. The posts behind the drops won’t fit. Can’t find a better pic off hand…
[quoted image]

Would it be any different to leave it this way and skip the posts?

#542 1 year ago

I assume it works as this is his second cheetah he’s done. Shrug. I’ll ask him.

#545 1 year ago
Quoted from cottonm4:

I suppose you could get a piece of rubber and bond it to the back rail for the rebound effect.

Confirmed it will be cut before final assembly and posts added.

1 month later
#547 1 year ago

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#549 1 year ago

I need a source for the spinner switch arms that go through the playfield. I need 3 of them.

#551 1 year ago

Will do thanks! Right now it has those cheapo Brunswick spinners in it. I might try the beefier generic white spinners PBR has.

Here’s some more pics!!

04AC08B4-DD87-4EC9-8E57-16095BC8F82C.jpeg04AC08B4-DD87-4EC9-8E57-16095BC8F82C.jpeg066E5649-7231-4717-971C-8709FC4095B7.jpeg066E5649-7231-4717-971C-8709FC4095B7.jpeg2010A8CC-5EF7-4E56-8303-622971CFA00C.jpeg2010A8CC-5EF7-4E56-8303-622971CFA00C.jpeg2024C276-55EF-4378-AD7A-4F69B3219162.jpeg2024C276-55EF-4378-AD7A-4F69B3219162.jpeg4DF7761B-902E-43CB-80C8-D8188B81D221.jpeg4DF7761B-902E-43CB-80C8-D8188B81D221.jpeg543977DB-B191-421F-8AE5-3D0CCB1F1A9D.jpeg543977DB-B191-421F-8AE5-3D0CCB1F1A9D.jpeg8DC84D2B-396A-43B1-B3DA-6FF261CD63B8.jpeg8DC84D2B-396A-43B1-B3DA-6FF261CD63B8.jpeg92E14FA3-1A4D-4E29-B308-2EF12E61A008.jpeg92E14FA3-1A4D-4E29-B308-2EF12E61A008.jpeg9F4E041C-6EE3-48FF-8390-1B78A0905169.jpeg9F4E041C-6EE3-48FF-8390-1B78A0905169.jpegA08651AA-B8FF-4A43-AB45-F7CCB96E45CD.jpegA08651AA-B8FF-4A43-AB45-F7CCB96E45CD.jpegA9EAAABB-EE65-4F8E-B95A-65C96E3C1E95.jpegA9EAAABB-EE65-4F8E-B95A-65C96E3C1E95.jpegB625A2A2-7B5A-401C-A872-F6E47F843099.jpegB625A2A2-7B5A-401C-A872-F6E47F843099.jpegC2D79875-CB81-4956-989E-7D21BFE81D39.jpegC2D79875-CB81-4956-989E-7D21BFE81D39.jpegCBBA5DD8-0F10-4185-A67D-B2323DAE3395.jpegCBBA5DD8-0F10-4185-A67D-B2323DAE3395.jpegCF899577-3286-41E1-B944-B989E0089DA8.jpegCF899577-3286-41E1-B944-B989E0089DA8.jpegDF93AEA1-1DB1-47C4-8B1B-03E05C59B11A.jpegDF93AEA1-1DB1-47C4-8B1B-03E05C59B11A.jpeg
#554 1 year ago

Thanks for the added info. I can just enlarge the bracket holes if these new spinners arms are too big. The Brunswick spinner arms are super flimsy. I don’t like them for long term viability. And yes they slow down quickly.

#556 1 year ago
Quoted from cottonm4:

Is your cabinet a scratch build? It looks new.

yep! The head was salvaged, but the body is fully new.

#557 1 year ago

Do I need pins to secure my left orbit ball guide to the wood rail? My ball guide has no holes in it and it gives a lot when the ball hits the bend and kills its momentum.

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#558 1 year ago

Also. Where should the bottom flippers be aligned?

Got the 475 coils in mine, EOS is opening right at the end of the stroke, and I’m struggling to get the ball to make the full left orbit. I think I need to drop them a bit to get stronger orbit shots.

#560 1 year ago
Quoted from cottonm4:

Stern used some very small 1/2" nails. I use #4 1/2" stainless steel screws.
https://www.homedepot.com/p/Everbilt-4-x-3-8-in-Phillips-Pan-Head-Stainless-Steel-Sheet-Metal-Screw-8-Pack-800921/204275384
If you have a hardware store that stocks a lot of fasteners you might find them there.
You will need to match drill a small hole in your rail wood for the screw. For a small nail, just a hammer.
Try to align the ball guides to where they are going to have a smooth flow to and from wherever.

Does the long left orbit ball guide use the nails? From pics of the OG games it appears there are no nails in that guide.

So I was thinking strong, thin, double sided tape.

#565 1 year ago

Yep. Saw that last night. Thanks for confirming. Adjusted them both and now the outside shots have much more power. The left orbit ball guide is robbing power though as it has slop in it. I feel once I get that secured to the left wall, those orbit shots will consistently make it all the way up.

K think I have the game a tad too steep too.

Also noticed he put Bally flippers in it. Changed to stern and no more flipper hop.

#567 1 year ago
Quoted from play_pinball:

The left rail has 5 nail points on the original spaced 2-7/8” apart from each other. I had an original bent up one that djblouw and I just compared to update his rail files in the last couple weeks. (Thanks again Daane!)

So he’s now making them with the holes in them? Mine were made by him but had no holes.

#569 1 year ago

I’d honestly just rather buy the updated rails so I don’t mess up. I’ll contact him. Thanks!

#571 1 year ago
Quoted from djblouw:

chuckwurt
Drop me a line and I'll get you a replacement part.
When these were originally made they were just produced from sketches, not originals. And some of the detail/dimensions needed to be corrected. As play_pinball mentioned, we've got them adjusted based off from actual pieces now.

PM sent!

#573 1 year ago
Quoted from hisokajp:

I am surprise there is an original lamp board with Yopsicle installed, you don't need an LED compatible board or LED adapter for those?

No. They have resisters on the yopps. That’s why they are awesome. However I have a few blown scrs on this board. Haha. I have 3 insert lamps out.

#575 1 year ago
Quoted from Agent_Hero:

So how's game play? Not too shabby, eh? What score are you aiming to get? Mine came from Game Galaxy in TN and had a high score of about 2.5 mil. I've passed that number once or twice.

Still tweaking. Haven’t played a game yet. But I’d say with the custom roms that don’t allow you to collect bonus over and over, 3mm seems like a good goal.

#576 1 year ago

down to my last couple items. the 5 bank. I have a couple drops that are dropping on reset (1 and 5) occasionally. Then I have 2 of the drop down coils that I can here clicking, but it does not drop the target. 2 and 3. Thoughts on fixing these two issues?

#578 1 year ago

Got it. Looks like the drop coils have two springs on them? Which on should I tighten to try and fix the memory function for a couple targets?

#580 1 year ago

K. They used to have very weak springs on them. I had almost all of them dropping on reset. Stronger springs fixed all but the 5 drop target. I think that one might be too weak still. I’ll see about tightening up the drop coil springs.

#582 1 year ago
Quoted from slochar:

Don't forget you can adjust the stern reset bar height by loosening the set screws and twisting to get more height on the non coil side.

Ooooo. Good call.

Also, should the 5 target have a drop down coil on it?

#585 1 year ago

Oh. Yeah that is interesting. I’ll keep that in mind when troubleshooting.

#587 1 year ago

Alright. Progress. Adjusting the reset bar on the 5 target side got my bank resetting good with no dropping targets upon reset.

Now for the 2,3,4 drop down coils. When they fire, they barely move the ledge at all. It basically just giggles. Could that be a grounding issue?

#588 1 year ago

Can someone help me with the 5 bank? I need a top down picture of the drops when they are up, and when they are down. I want to see where they line up in the playfield cut out.

#591 1 year ago

Thanks so much. I think I have two issues. I’m missing a rod that goes across the mech, and I might not have the one I have on there in the right spot.
0DC697EE-1F8C-4CB9-979D-51D8B139811E (resized).jpeg0DC697EE-1F8C-4CB9-979D-51D8B139811E (resized).jpeg

Also, I wonder if the springs I have are too strong, it doesn’t let the finger throw the drop off of it.

#593 1 year ago
Quoted from play_pinball:

Here’s a video I took in slow motion of the drop target action.

Your rods are oriented differently than the 9 ball mech above. I assume yours works properly in the game?

Where can I get another rod for this bad boy?

#597 1 year ago

Can someone show me the wire color of the 5 arrow and where that goes into the lamp driver board? It’s not on the schematic.

Thanks!

#601 1 year ago

Thanks! Since this is a scratch build I have to add a wire from here to the board t get this puppy to light up.

#604 1 year ago
Quoted from Mageek:

J3 pin4 it looks to be, makes sense since thats seems to be missing from the schematic
[quoted image][quoted image]

Thanks again!

1 week later
#606 1 year ago

All set up! Loving this so far. Seems there’s tons of different avenues for points. Rare for a game this age.

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#607 1 year ago

Can I get a pic of someone’s tilt bob wiring? If I add a cap to my game, the game goes to tilt the moment a new game is started. Cap is not shorted. Tested with a DMM.

#609 1 year ago

Thanks! My wiring is good. The moment I add a cap to the mix, the game tilts. Not sure how that’s possible. The cap has no continuity.

It’s a 104 disc cap.

#611 1 year ago

I want the cap to work. It’s needed for the tilt to register properly. Maybe I don’t know how a cap works? Why would it immediately cause the tilt to register? What could be happening with the other switches on the red yellow wire that could cause the cap to do this?

Sorry. Trying to learn.

#613 1 year ago
Quoted from cottonm4:

I still have much to learn myself. I can't answer your questions. There are better electronics people here than me.
This is why I suggested using a jumper wire from the connector. To see if you still have the problem with the Tilt isolated. If it works with all of the other switches eliminated then you know your problem is somewhere else on that R/Y wire.
If the problem still persists, then you know there a problem with that Blu-O wire that I don't know where it goes to.
It takes 10 minutes to make and hook up a jumper wire for that connector. Jumper wires can save to lots of time.

Goes to A4J3-15

C718CBAE-60DB-4FC9-91F1-0F8938376BAC (resized).jpegC718CBAE-60DB-4FC9-91F1-0F8938376BAC (resized).jpeg
#615 1 year ago
Quoted from Quench:

That's the wrong value capacitor. You need a 47nF aka 0.047uF aka 473 capacitor.

Oh dang! I just saw these. Will they work?

B6DD9442-9BFF-4AC1-8EA5-A28D707188D3 (resized).jpegB6DD9442-9BFF-4AC1-8EA5-A28D707188D3 (resized).jpeg
#617 1 year ago

On it. I know the stand up has one. I’ll check the others.

#621 1 year ago
Quoted from Quench:

Nearly all electrolytic (can type) and tantalum capacitors are polarised. The schematics (and usually the PCB) will indicate where the positive lead goes.
Ceramic and polyester film capacitors are not polarised.

Can you explain why a cap when connected to a tilt switch would immediately register the tilt?

#623 1 year ago

Very helpful! Thanks so much. I’ll do this test tonight. I think my DMM is auto ranging. I have a nice Klein one.

#624 1 year ago

Assuming I did this right, the reading is 113.3 I put the leads on the tab attached to the tilt ring and the one off to the side like cottonm4 ’s pic shows how his cap is wired up.

697131F8-DCD7-456D-AD8D-03C27504D76B (resized).jpeg697131F8-DCD7-456D-AD8D-03C27504D76B (resized).jpeg
#626 1 year ago
Quoted from Quench:

That's not a good reading.
Can you post a picture showing your tilt board.
Can you also post a picture showing your meter hooked up and giving this 113.3 reading.

22D4EAD2-F042-47CA-8ED7-5EAA0789505A.jpeg22D4EAD2-F042-47CA-8ED7-5EAA0789505A.jpeg247E7BFB-E244-4D5E-A4DA-FD49D5A2B431.jpeg247E7BFB-E244-4D5E-A4DA-FD49D5A2B431.jpeg33612037-CFE1-4A86-9C0B-F59EA53A5D5E.jpeg33612037-CFE1-4A86-9C0B-F59EA53A5D5E.jpeg70769CB6-9D8B-49CA-A6FC-FD764BA6357D.jpeg70769CB6-9D8B-49CA-A6FC-FD764BA6357D.jpegD3EA44B5-84B8-4233-83F0-A4E5CCD54981.jpegD3EA44B5-84B8-4233-83F0-A4E5CCD54981.jpeg
#628 1 year ago
Quoted from snyper2099:

That Red/yellow wire there??? That doesn't seem correct when compared to the picture the other Cheetah owner posted (white/black) wire.
Did you confirm that Red/yellow wire goes to the correct pin in the harness?
I'm questioning this in particular because I don't think your game had any credit switches wired up AND Stern wiring is OFTEN WRONG in the schematics.
When you attempt to add a credit with that wire in attract mode, does it add one correctly? (It should add a credit, regardless of game/MPU settings.)

Yeah. Definitely multiple mistakes in the schematics for this game.

Tilt behaves the same whether the blue wire is swapped with the red wire or not.

Red yellow wire goes to the pin on the connector per the schematic. Looks good.

Tilt works. Just doesn’t register unless it stays in contact with the ring long enough. Hence why the put caps on these. I just can’t figure why anytime I add a cap to the equation it immediately registers.

#632 1 year ago

Yes the cap is wired so one end is touching one wire and the other end is touching another wire.

I believe it’s wired just like the pic above and also how my big game is wired.

Big game:

31489551-C753-4E73-A4B1-49C8FB8DA52C (resized).jpeg31489551-C753-4E73-A4B1-49C8FB8DA52C (resized).jpeg
#633 1 year ago

I just don’t get how a cap doesn’t have continuity, but when I attach it to two things that also do not have continuity, it immediately create continuity. Haha.

#635 1 year ago
Quoted from cottonm4:

Do this. Unplugged the connector at A4-J2 connector where that blu-O wire is at. It is quick. It is easy. All you are trying to do is trying to isolate your problem. See what happens. No change? Then plug it back in and unplug the connector for the r/y wire at A4-j3. Any change?
I will agree that what I suggest does not make the best of sense. But----you still have your problem.

Still does it when J2 is unplugged. DOES NOT do it when J3 is unplugged.

Isn’t the blue orange wire at J3 as well?

#638 1 year ago
Quoted from Quench:

This ^^^
You are missing the diode in the tilt circuit. The red-yellow tilt wire originally connects to the back of the tilt roll-cage where the diode (non-banded) is and then a wire from the other side of the diode (banded) goes to the tilt plumb-bob lower brass surround.
Your tilt roll-cage (and diode) are not wired in so you currently have nothing to isolate the capacitor from the switch matrix.

THANK YOU!!

#642 1 year ago
Quoted from Quench:

This ^^^
You are missing the diode in the tilt circuit. The red-yellow tilt wire originally connects to the back of the tilt roll-cage where the diode (non-banded) is and then a wire from the other side of the diode (banded) goes to the tilt plumb-bob lower brass surround.
Your tilt roll-cage (and diode) are not wired in so you currently have nothing to isolate the capacitor from the switch matrix.

Okay I now have this wired up correctly and it still does an immediate register when I add the cap.

Also. I noticed I have no caps on the standup or the sling shots. If I try to add a cap to those switches they register rapid fire too. Maybe I got bad caps? I’ve tried multiple kinds and it’s still doing it.

Seems something is not wired right in the game such that adding caps to any switch is not working right.

#645 1 year ago
Quoted from Quench:

Post a clear picture of the tilt board. And a picture of the coin door where the slam switch is (if it has the slam switch)

This game has lots of unused switches. None of the slam tilts are installed. None of the coin chute switches are installed.

I’ll post my tilt bob wiring, but it’s going to be hard to follow since I only had one color wire to wire up the diode like you instructed.

I’ll post up some pictures later today after I do some other testing.

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