(Topic ID: 268931)

DE Jurassic Park refurb for my army son

By gdonovan

1 year ago


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  • 74 posts
  • 9 Pinsiders participating
  • Latest reply 9 days ago by gdonovan
  • Topic is favorited by 6 Pinsiders

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sb38.pdf (PDF preview)
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There are 74 posts in this topic. You are on page 2 of 2.
#51 1 year ago

A good clean and wax is all that is left to do! I am swapping out the power supply board for one I'm freshening up on the bench but that is a five minute job I can do in place once completed.

And the topper sign, I'm printing out some samples this morning for trial.

#52 1 year ago

Printer at work goes "brrrrrrrrrrrr"

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#53 1 year ago
Quoted from gdonovan:

T-rex gets some choppers
[quoted image]

What did you use for your t-rex teeth? it kinda looks like that thin white foam you can get in sheets.

#54 1 year ago
Quoted from wolffcub:

What did you use for your t-rex teeth? it kinda looks like that thin white foam you can get in sheets.

My wife is lactose intolerant, a jug from her fake milk worked awesome and it was free.

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#55 1 year ago

My wife is not lactose intolerant so i will have to look for another solution.

#56 1 year ago
Quoted from wolffcub:

My wife is not lactose intolerant so i will have to look for another solution.

There are other products that use the same style solid white plastic, bleach bottles for example.

#57 1 year ago
Quoted from gdonovan:

There are other products that use the same style solid white plastic, bleach bottles for example.

That's alot of bleach to drink before I can use the empty bottle. I will clean out the fridge later and see what i can possibly find.

#58 1 year ago
Quoted from wolffcub:

That's alot of bleach to drink before I can use the empty bottle. I will clean out the fridge later and see what i can possibly find.

Next time at store look for one of these small lunchbox milks.

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#59 1 year ago

1. Buy one jug of almond milk, 2. make a hundred sets of T-rex teeth, 3. count the money.

#60 1 year ago
Quoted from yancy:

1. Buy one jug of almond milk, 2. make a hundred sets of T-rex teeth, 3. count the money.

Funny you mentioned that. After my post I already started drawing cut files to cut them from white abs on a laser table.

#61 1 year ago
Quoted from wolffcub:

Funny you mentioned that. After my post I already started drawing cut files to cut them from white abs on a laser table.

Ha, I still have 98% of the jug left, was going to offer to send a piece if you need it.

#62 1 year ago

I like the raptor one best

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#63 1 year ago

VUK switch and diode replaced, it was fussy once too often.

#64 1 year ago

Buffed and waxed, slid the pf glass back in place. Just have to work on topper now.

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#65 1 year ago

sigh.

DMD died today.

#66 1 year ago
Quoted from gdonovan:

sigh.
DMD died today.

What?!? Like out of nowhere?

#67 1 year ago

Silver lining: color DMD?

#68 1 year ago
Quoted from edward472:

What?!? Like out of nowhere?

Yup. Popped a diode on the board and allowed high voltage to cross over to the low side. I replaced the diode which brought the display back up but the damage is already done. I think it took out one of the surface mount chips.

https://pinside.com/pinball/forum/topic/dmd-just-gave-up-the-ghost-jurassic-park

#69 1 year ago

Back in action, thank you delt31

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#70 1 year ago

I'll be picking at a topper this week, a few irons in the fire as I am back from vacation.

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#71 1 year ago
Quoted from gdonovan:

Yup. Popped a diode on the board and allowed high voltage to cross over to the low side. I replaced the diode which brought the display back up but the damage is already done. I think it took out one of the surface mount chips.
https://pinside.com/pinball/forum/topic/dmd-just-gave-up-the-ghost-jurassic-park

Just a follow up on the DMD issue, I think I figured out what happened.

Going through some documentation, DE issued a technical service bulletin #38 update to the Power Board schematic. Seems like there was a misprint and some diode locations (D10/D11) were mislabeled. Care to guess what diodes got replaced on a board I was rebuilding and testing? Yup.

So if you have a factory service manual for LW3, Rocky and Bullwinkle and Star Wars pay close attention to the board revision and what is actually on the board for parts.

sb38.pdf
#72 1 year ago
Quoted from gdonovan:

Just a follow up on the DMD issue, I think I figured out what happened.
Going through some documentation, DE issued a technical service bulletin #38 update to the Power Board schematic. Seems like there was a misprint and some diode locations (D10/D11) were mislabeled. Care to guess what diodes got replaced on a board I was rebuilding and testing? Yup.
So if you have a factory service manual for LW3, Rocky and Bullwinkle and Star Wars pay close attention to the board revision and what is actually on the board for parts.
[quoted image]

Man. What are the odds?!?!

#73 1 year ago
Quoted from edward472:

Man. What are the odds?!?!

Most unfortunate, there might have been a reason the board I was working on was missing the D10 diode when I started on it. I think someone already tried replacing it and went by the schematic.

That lesson cost me $100 for a replacement DMD, ching! ching!

11 months later
#74 9 days ago

Just an update: What started as a bit of a wreck still going strong at this time, hasn't given us much trouble at all the past year.

There are 74 posts in this topic. You are on page 2 of 2.

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