(Topic ID: 80267)

Jurassic Park (DATA EAST) club

By louknees

5 years ago

Topic Stats

  • 7,247 posts
  • 422 Pinsiders participating
  • Latest reply 8 days ago by Marco1973
  • Topic is favorited by 186 Pinsiders


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Topic index (key posts)

56 key posts have been marked in this topic, showing the first 20

Post #63 Data East / JP Ball Trough fix (#7) [Video] Posted by ChadH (5 years ago)

Post #98 Jurassic Park Ford Explorer [External Article] Posted by blondetall (5 years ago)

Post #138 Ball not entering gate at pop bumpers Posted by accidental (5 years ago)

Post #159 Creation Of Jurassic Park’s CGI Dinos [Article / Video] Posted by blondetall (5 years ago)

Post #162 Link to Loop Combo Scoop Mod Thread Posted by InfiniteLives (5 years ago)

Post #182 Link to CRT Mod Thead Posted by CraZyMuffin (5 years ago)

Post #209 Custom Apron Cards Posted by Pinballocks (5 years ago)

Post #322 Playfield Back Wood-Block acrylic mod Posted by smerff (4 years ago)

Post #357 Switch Matrix / Random No Target Scoring Bug Posted by ChadH (4 years ago)

Post #374 Link to Shaker Problem Thread Posted by aobrien5 (4 years ago)

Post #436 Rock Custom Pinball Under Cab Lighting mod Posted by Rock914 (4 years ago)

Post #457 Rock Custom Pinball Acrylic Playfield Backer Mod [Video] Posted by Rock914 (4 years ago)

Post #510 GoodToBeDad's Ramp Gate Mod - Controlled with a PIG2 [Video] Posted by ChadH (4 years ago)

Post #554 1:43 Scale JP JEEP [Amazon Link] Posted by winteriscoming (4 years ago)

Post #570 T-Rex Saucer Replacement [Link] Posted by outcida (4 years ago)

Post #631 T-Rex Hand Puppet Mod Posted by smerff (4 years ago)

Post #687 Loopcombo Site Link Posted by accidental (4 years ago)

Post #743 JP Jeep Flasher Mod [Video / Link to thread] Posted by lkadlec (4 years ago)

Post #950 Chad's Unofficial Code [Link] Posted by ChadH (4 years ago)

Post #1092 CPU / Display Chip Locations [Picture] Posted by Crash (4 years ago)

Topic indices are generated from key posts and maintained by Pinside Editors. For more information, or to become an editor yourself read this post!

You're currently viewing posts by Pinsider mbabischkin.
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#2836 3 years ago

Hi All,
New to Pinside and didn't realize there was a JP specific group when I made my "help" post yesterday, I'd drop the link to the post here but since I'm a new member Pinside won't let me post links, even when they're internal to the site....

We've had our JP for a good 13 years, but it hasn't worked reliably for a good 7 years. In all honestly it was fear that we'd fried a board that kept me from digging in to figure out the problems we'd been seeing until about two weeks ago.

Thanks to some old posts here on Pinside I'm pretty sure that the PPB board is a key piece of the problems on the JP - but the coil that drives the Super VUK coil is fried as well - it was causing the f5 fuse on the PPB to blow in a pretty dramatic fashion. The coil is clearly the cause of that problem as the fuse stopped blowing when I removed the coil. I've got the coil and the diode to replace it - but we can't figure out how to disassemble the plunger bits on the existing coil and transfer them to the new coil.

And of course, having to frequently replace the F5 fuse in the course of troubleshooting wore out the F5 fuse holder on the PPB, so then the question is - replace the fuse holder (and the other two that are fatigued) or just say screw it and replace the entire board with one that is less than 23 years old...

Any help with the coil would be greatly appreciated because my next option is to take all the bits over to a local game room place and plead stupidity...

#2838 3 years ago

Outside of Cleveland OH...

BTW this is the remains of the coil...

IMG_0030 (resized).JPG

#2840 3 years ago

The first fuse might have blown before the coil went - but that was too late for the later fuses that went in while we tried to troubleshoot the issue...

Any idea how to disassemble the coil?

1 month later
#2934 3 years ago

Slowly moving along the process of trying to resurrect my JP.

A quick review of where we are... The machine was blowing F5 fuses immediately on startup and not booting up, just showing random dots on the DMD and a hum from the speakers. An inspection of the machine revealed that the Super VUK coil was burned up. The coil has been disconnected and removed from the pin and the F5 isn't blowing anymore but the pin still will not boot - same symptoms as before, dots on the DMD and hum from the speakers.

Pulled the PPB because I know the F5 and F6 clips are fatigued at a minimum and reached out to Clive at CoinOp Caldron about board testing and repair. Clive suggested attempting to power up the machine with the PPB removed to see if the pin will boot now - and it doesn't. Same symptoms of dots on the DMD and the speaker hum.

I've already dropped a note to Clive, but any thoughts as to what the issue may be if it's not the PPB?

#2937 3 years ago

Checked the remaining fuses in the cabinet at Clive's suggestion - other than one of the clips on the F2 fuse on the flipper PCB starting to get fatigued all tested good. However, now nothing happens when I turn the power on. No DMD lights, no sound - nothing...

The other thing I noticed, there's nothing in the SW1 position on the CPU board. Page 52 of the manual indicates that this should be the location of the NM1 switch, and I could have sworn something used to be there... Now there's nothing

IMG_0095 (resized).JPG

#2940 3 years ago

bugsy - you may be on to something... Checked page 57 of the manual to see what I could find out about the Power Supply board and discovered that CN6X15 and CN5X8 were both circled and there was a note written in the margin that said 10 + 11 9V... Since I bought the manual about a month after I bought the pin, didn't write in it and didn't troubleshoot this issue before - I'm guessing that the guy who last worked on it 6+ years ago and briefly got it working had looked into this area way back when...

1 month later
#3059 2 years ago

IT LIVES!!!!!!!!

It's been 9 years since our JP has been playable, and today it lives again! All told, two capacitors on the power supply board had blown, a third had been switched by somebody (not really sure who or when) but wasn't fully soldered on, and replacement of a failed transistor on the PPB board and we have life again.

Additional work to get things going included switch adjustments in the ball trough and the T-Rex as well.

This weekend's project - bulb swapping. Looks like there's 10 or more bulbs around the play field that need replacement...

It's been so long since I last played the JP that I really forgot how cinematic game play was (and a good chunk of the ruleset too!)

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