(Topic ID: 123617)

Nine Ball Club... (all welcome)

By mof

8 years ago


Topic Heartbeat

Topic Stats

  • 1,309 posts
  • 140 Pinsiders participating
  • Latest reply 56 days ago by cottonm4
  • Topic is favorited by 58 Pinsiders

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#587 4 years ago

Nine Ball - Ball lock issue. Can someone help me solve this problem? For some reason, when the first ball lands in the saucer it just sits there. No ball gets kicked
out into the trough either. Once in a while, and I mean a while, the solenoid will kick it out of the hole. If I tilt the game while the ball is in the saucer it also gets
kicked out. I already did a switch test and all switches register as they should, including ball trough switches. I thought it may be the driver board.. Nope, changed
it and the symptom repeats. When the ball sits in the saucer, points register and targets reset as it should. The ball will not get kicked out. Anyone have an idea? I even cleaned the contains for the saucer and both switches before it.

#589 4 years ago
Quoted from vec-tor:

Did you play the game with the bottom arch removed, to make sure the balls
are moving into the correct position for kickout?
( no ball hangups )?

Hey Vec-tor.. Yes. I removed the arch. All balls travel into their respective places as intended without any wire form hang ups. In switch test I passed the ball through the trough one at a time and the wire forms were moving down and triggering as they should I checked and cleaned the ball lock switch as well as both switches prior to ball lock. I checked the shooter lane switch as well. I have to say I'm stumped. Very very rarely does the ball lock work as expected. The ball just locks and sits there. If I tilt the game, it will eject. Can this be related to J4 connector on the MPU perhaps?

Yesterday I re-pinned the driver board connectors. I thought maybe something there was causing this issue. Nope.. No change. What I found which was
very weird is this... I placed the machine in switch test. Reset all targets manually and removed all balls. I placed my index finger across both terminals
on the ball trough microswitches and without triggering the wire form and the switch numbers showed up on the display each time I manually touched
both terminals. I've never seen this before so I think there may be an issue of some kind here. I need someone to verify if in switch test touching two
terminals on the microswitches will complete the circuit and show a number.

#590 4 years ago

Fixed!

***Update*** Fixed .05uf 100v capacitor shorted on the 2nd call micro switch. Clipped capacitor off and fixed the problem. Sheesh! I hope this helps someone. I'll replace with .05uf 100v capacitor***

#593 4 years ago
Quoted from cottonm4:

How did you figure that out? Always interested in learning troubleshooting techniques.

Interestingly. Weird things were happening. Sometimes the game wouldn't start when pressing the start button. I touched the ball trough switches
at the terminals where the capacitor diode and wire are soldered. Wiggled the capacitor and voila! Press start button and the game fired. Then after
game play, once the ball was locked into the left playfield saucer, the second ball wouldn't launch. I had to tilt the game in order to eject the ball from the
saucer. I placed the machine in switch test. Strangely, all switches work fine. I rolled a ball across every switch and the switches are working fine. The left ball lock and the ball trough switches are connected. Something just didn't seem right. This is when I touched two terminals (the ones with the capacitor attached)
and guess what, it registered as a closed contact on the display screen. This didn't seem right. I clipped the .05uf 100v capacitor off and ever since, it's been
playing fine. Time to re-order some ceramic disc capacitors.

1 week later
#594 4 years ago

OK.. problem is back. Once I get the ball locked in the upper left saucer, no targets drop and nothing happens. The ball does not eject into the ball trough. I have to
tilt the game to get to the next ball. Seems like something is not seeing the ball lock switch. The switch closes fine and I also installed a new 1N4004 diode. Still
same issue. any ideas anyone?

#597 4 years ago

Can someone email me a known good set of working roms please? I want to see if this may be my problem with the left ball lock.

1 month later
#616 4 years ago

I think a very nice example would be in the $4000 - $5000 range depending on how much work was done on it.

#619 4 years ago
Quoted from jkashani:

Had two full price offers at 5K when I put mine up.

That's how much fun it is...

#622 4 years ago
Quoted from Isochronic_Frost:

How come Mitch’s Sea Witch is still sitting at 3k?!

look at the playfield

1 month later
#631 4 years ago

One more less in the wild! Congrats!

1 week later
#640 4 years ago
Quoted from snyper2099:

I think I have decided to make a clear playfield protector for it but not certain yet.

If you make this protector, I'm in for one. I think 9 ball needs it

#650 4 years ago

Well if someone can make me a protector, I'd gladly pay you for it.

2 weeks later
#685 4 years ago

Wow, 9 ball's are getting sucked up quick.. This is definitely the next Star Gazer / Quicksilver in price.

#687 4 years ago
Quoted from snyper2099:

But NB is actually a good game.

Agree

#694 4 years ago
Quoted from cottonm4:

Are you still trying to sell your for $6K?

Nope.. Keeping it

6 months later
#794 3 years ago

Nine Ball playfield protector is now available. I just installed mine and it looks great and works well. Needed to lift a few things to get it to sit perfectly. Game plays great. No more worries of playfield wear.

https://www.playfield-protectors.net/products/nine-ball-1980-stern

4 weeks later
#820 3 years ago

My playfield is perfect in every way. Full color

1 month later
#827 3 years ago
Quoted from NeilMcRae:new nine ball code is awesome.

Can you share some differences in the new code?

#829 3 years ago

Sounds interesting. Do you have to program all roms? If not, which ones? Where do you get the code to burn?

3 months later
#879 3 years ago

Yes you have to do what CottonM4 said. I had the same problem. You have to clear everything in memory one by one in the coin door.

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