Wattsburg, PA
Just bought one on Saturday. Got a few questions to ask later.
(Topic ID: 80267)
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Jurassic Park
Data East, 1993
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Like I said a couple posts up, just got this Saturday.I was wondering why my "A" light wasn't working for CHAOS and why I couldn't cycle through any of the missions (it stays on Stampede). I found this under the control room (I removed the switch):jpswitch1.jpg
jpswitch2.jpg
My question is, do I solder the two white/green wires to that first tab on my new switch? If so, will this solve my problem or is there something-else I should expect? If not, where do they go?
Help would be greatly appreciated.
Now that I noticed, should those green/black wires be soldered to the first switch as well or is it supposed to have a spade terminal?
2 weeks later
Quoted from woody24:I believe you have your switch on backwards. Turn it around so that it doesn't touch it when the spring pulls it back.
Hmm, I was afraid of that. I'll try it again tomorrow. Thanks.
Also, I have no idea if that post is supposed to be there. My plastic is broken and my light post is in a different spot.
1 week later
Quoted from InfiniteLives:I posted this in my tech thread but maybe someone here can help me too
So I got replacement switches and diodes for the bunker and control room.
This is how i wired them, according to the manual the band of the diode should be on the right, the switches I replaced were on the left... so not sure which is correct.
Now the control room switch registers points in game but doenst start game modes
The bunker switch seems to be activating the dino dna ramp stuff and going crazy when the game is on and auto firing
If the ball goes into the control room it doesnt fire out of the bunker until the ball search tries to find it.
Is this wired correctly?bunker.control.switches.jpg
Check out this thread I started not too long ago. There's a few pics and diagrams that may help.
Also, do you have the remote diode board? If so, you don't need the diode on the Control Room switch.
https://pinside.com/pinball/forum/topic/jurassic-park-switch-issue
2 weeks later
Quoted from hawk370:20150801_194800.jpg
My machine is missing a bumper post above the lane divider(can be seen in the picture) i need to know what it looks like and where to get one. hopefully it is one that is easily obtainable. also what type screw holds down the post?
Thanks in advance for any help, Mike
Should just be a mini post and 3/8" rubber just like on the right side. At least that's what I have.
2 months later
Quoted from woody24:Got to my first System Failure last night and had my second best score so far. Kinda hard to beat my accidental 1.2 billion.
But this game started off as a terrible game. I was going to to just play a single game before bed. First two balls almost instantly drained. I did get Stampede during one of those though, but quickly lost the ball. On the third ball though, I lit the Extra Ball, and then Started System boot. But again, was doing terribly. The ball quickly shot to an outlane, and I somehow was able to press the Smart Missile button before it got disabled. So with one button press I got an extra ball, completed system boot, and started tri-ball.
And at that point I was unstoppable. Couldn't get CHAOS since I had already used my Smart Missile button. But kept lighting all the modes and hitting them. I did get a second extra ball after I hit the Feed T-Rex shot. It put me over the 195 Million I have set to get another extra ball.
So here it was supposed to be a quick game. A game I thought was going to end after only flipping just a couple times before the final drain of the third ball. I think the game was going to end with only a score of about 30 million if it wasn't for the Smart Missile. The System Failure mode is fun. If I didn't know what to expect, I probably would have thought my DMD was going bad.
But this score I feel more proud of. I finally knew what I was supposed to do. My 1.2 billion score was a total fluke. I had no idea what the rules were, I just knew tri-ball was good, and to spell CHAOS, after that, I tried to keep the balls in play, wasn't looking for shots.
12076415_10156057412205654_251526399_o.jpg
This is similar to my first System Failure experience as well as the final score. Nice.
5 months later
Quoted from phollibone:Hi everyone. I have a small issue with my machine which I'm hoping you guys can help track down the issue.
The switch on the back side of the ramp (behind rexy) doesn't appear to be functioning anymore. I've put the machine into switch test mode and it's not registering. I've also looked at the switch and I can't see any bad soldering. I've attached a pic, what is the next step from here? Switch replacement?image_(resized).jpeg
Looks like that tab on the right is bent and broken.
Quoted from Endprodukt:Question: On the left inlane/outlane there is a small hole that looks like a metal post belongs there (like the right side). Pictures on IPDB don't have that post too but my new pinball protector seems to have hole to put something there. Just optional?
That's for a mini post. Some people have them (like me), and some don't. It's up to you want you'd like to do. If you don't have one, I'd just leave it alone.
1 month later
1 month later
Having sounds issues with my JP. Keeps playing the wrong sounds, dino roars repeatedly, etc. No crackling or static. I do believe it's the ribbon cable going from the sound board to cn21 on the cpu board. I've reseated it, which fixes the issue, but the problem does return.
Does anyone know what type of connectors and ribbon cable I need to replace the current one with? P/N's and vendors would be a big help.
Thanks!
Quoted from woody24:Push in and make sure all connectors on the CPU board and all other boards for that matter are as secure as can be. I just had this problem, and after months of troubleshooting, it was one connector that I was able to push in by like 1mm. It happened to be the power connector to the speakers from the CPU board. And don't just blow it off like I did just assuming that all connectors were properly secure. Could have solved my issue months ago.
To test to see if it's a power issue, lower the volume down, and slowly bring it up until its too loud. If it cuts out at the higher volumes, you know it's a similar power issue like I had. And either narrows it down, or at least eliminates it.
Thanks Woody. I've done that and I'll probably do it again next time I open up the head, but everything keeps pointing to that damn ribbon cable. 
If I replace that cable at least I know that I eliminated that as the problem. I just ordered the new roms and I'd like to get this fixed.
Quoted from woody24:Don't forget to try the volume thing too. See it if fixes itself at a much lower volume. You issue sounds VERY similar to mine. I replaced the ribbon cable on mine too. Here's a video of what mine was doing when I played with the volume.
» YouTube video
OK, so you know what parts I need and where to get them. The suspense is killing me!!! 
Quoted from woody24:No parts were needed for mine. Just a gentle push.
So you didn't replace the ribbon cable even though you said you did? Or did you mean you removed and then replaced the same cable...am I missing some context? I'm confused... 
1 week later
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