(Topic ID: 296589)

Jurassic park lost world - troubleshoot

By SteveAN

1 year ago



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  • 8 posts
  • 3 Pinsiders participating
  • Latest reply 10 months ago by northvibe
  • No one calls this topic a favorite

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#1 1 year ago

Hey everyone. Picked up a Jurassic park lost world for a good deal at an auction. Seller knows nothing of machine, got it home and plugged in, start button made noise like a credit happened but no ball kicked out. Was able to eventually get it to play by adding credit opening coin door.

Game seemed to work, but figured I should really open up and inspect before playing long term. There is battery damage to the CPU/sound board, and a jumper line has been installed (see pics).

The jumper line is I insulated and was touching another resistor, which could have been causing some of the issue with operation. I stuck a piece of paper towel under the wire to prevent the short.

My question is this —- would the proper way to see if everything works be to add batteries and play? Or could I do more damage to the machine?

I’m open to trying to fix the battery damage ,, or possibly buy a new board if I can find one. I did find a new one from a European source for 399 euro.

Any and all input appreciated.

-steve

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#2 1 year ago

See if chris Hibler can get the cpu board going.

Chris Hibler - CARGPB #31
http://ChrisHiblerPinball.com/Contact ... for board repairs
http://www.PinWiki.com - The Place to go for Pinball Repair Info

#3 1 year ago

You can go into test and see if all coils fire, if switches work, make sure you have the right number of balls snd then get board work done

Manual
https://www.ipdb.org/files/4136/Sega_Jurassic_Park_The_Lost_World_manual.pdf

1 month later
#4 11 months ago

Chad and northvibe, thanks for your responses and sorry I took so long to get back.

I think I’m going to buy some new boards to get this thing working. One problem is I cannot properly test it because the DMD is not working, only the bottom half lights up.

Was thinking about starting with this board… https://www.pinballlife.com/mm5/merchant.mvc?Screen=PROD&Product_Code=RD-MPUWS

And then go from there, also maybe buying new ribbon cables at Marco just to rule those out as well since they are only $30.

Does that seem like a reasonable start?

1 week later
#5 11 months ago
Quoted from SteveAN:

Chad and northvibe, thanks for your responses and sorry I took so long to get back.
I think I’m going to buy some new boards to get this thing working. One problem is I cannot properly test it because the DMD is not working, only the bottom half lights up.
Was thinking about starting with this board… https://www.pinballlife.com/mm5/merchant.mvc?Screen=PROD&Product_Code=RD-MPUWS
And then go from there, also maybe buying new ribbon cables at Marco just to rule those out as well since they are only $30.
Does that seem like a reasonable start?

Hmm only half your dmd is on? Do you have a spare to test with?

Pinball life has ribbons pretty cheap ish. I just ordered a bunch for wpc stuff.

Which board you talking about? The cpu ?

#6 11 months ago

Northvibe,

The CPU board had the battery damage. Bought a new rotten dog board from pinballlife and the dmd works. The game works now, except for the snagger. It has somehow popped out of the front right (driver side) of the jeep.

The snagger looks like an absolute disaster to work on, but I ordered belts from Marcos so I will give it a shot.

I can’t find a good resource on servicing the snagger. Usually when I need to do something I’m clueless about there is a YouTube video or something!

#7 11 months ago

Here is the snagger pic. You can see it’s kind of sideways.

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4 weeks later
#8 10 months ago

you can use the manual
https://www.ipdb.org/files/4136/Sega_Jurassic_Park_The_Lost_World_manual.pdf
there is a snagger section.
But you'll have to lower the snagger, either by test mode lower, or taking the belt off I'd think.
THen you can see the screws that hold the snagger together. You'll have to work from the magnet end, back to the truck.
The pin looks like it came out of the bushing/holder.

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