Hello everyone as I have just joined your beautiful club:
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I found a really clean and original machine that a family bought and put in the basement for their kids.

I did however see one problem right at the start (haha):
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Question, where can I find these lovely Chad 6.0 ROMs? I don't have a EPROM burner but I am hoping that a small PayPal donation can fix that lack of ROMs.

And don't worry! Those batteries are coming off as soon as I get my nvRAM in!

Question for the masses...

I'm looking to do some LEDs in my JP that I recently purchased. I've seen a lot of talk in this thread about LEDs, but I was wondering about complete LED kits from places like Marco or Cointaker. Has anyone done a complete kit? Is it better to just buy a set order and replaces specific ones? Are people doing any color LEDs instead of condoms?

Thanks everyone!

EDIT: Also, are non-ghosting LEDs worth it for JP?

What was your fix? Did you attempt to position the lamps up into the inserts more?

How do you like the color LEDs? It seems that some like it, and some hate it. Thoughts? Do you have a bill of materials from the picture? Thanks!

How's the hum? Got mine a month or so ago. I've got the good ol' Data East hum in mine.

The thing that I have researched is that it's a broad issue. Some people have replaced caps and it's made the hum better, but there's two things you can do IMO:

1. "Float" your sound board. Head out to Lowes/Home Depot and buy some vinyl 8-32 screws + washers. Use the washers between the sound board and the backbox bracket. In this scenario, you are basically removing ground from your board. When I did this, my hum dropped by at least 50%.

2. Use a switch power supply to power your sound board. This is the one option that seems to work 100% of the time. For $20-$30 you can use a PC power supply. Use the +12 / -12 / GND / +5 and power the sound board.

There's a thread here to more information: https://pinside.com/pinball/forum/topic/data-east-speaker-noise-ideas-for-a-cure

Chad with the save!

Any using an LED OCD board in their JP? I saw that they make a DE version.

Mind sharing where you got them?

Ohhhhhh! Interesting!

That's a pretty good deal. I've seen a couple go for around $2300 - $2500. That's seems to be (IMO) where a really nice stock JP's ceiling is right now.

Also, eBay is the worst for price comparisons. It's amazing how many times I'll look to buy a machine off of Craigslist and people are like, "Well this machine is $5k on eBay, why are you trying to rip me off?!?"

Take a look at the ColorDMD LED version. Today, you can put one of these in your JP and run the default ROM package (just like the post above). From a coloring perspective, you would need to wait until the folks at ColorDMD create a JP specific ROM file.

The good news is that they just created a SW ROM (Game 47) which was their first DE title. This means we should expect more DE titles in the future.

A 3501 will work. I replaced mine with a 3504, which is a bit more beefier:

http://www.mouser.com/Search/ProductDetail.aspx?R=GBPC3504virtualkey51210000virtualkey512-GBPC3504

Just wanted to show off my new improved T-Rex installed on the holiday today!

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Some of those 44s have wedge style bases...be careful on your order...

Bugsy actually sent me his order a while back, which was a ton helpful. One thing that I did change is going from the 1 LED bulbs to the 2SMD 2835 Comet bulbs. Those are basically the same bulbs that Stern use in their new games. Overall, I'm pretty pleased with the result.

One piece of advice is always buy more bulbs than you need. Multiple shipping costs are not any fun because you're 3 bulbs short.

Check the molex connectors to/from the backbox and look for burned connectors/pins. Those backbox connectors get hot and burn up after all of these years.

Yep, that's your problem alright! You can buy all the parts from www.greatplainselectronics.com

Specifically, https://www.greatplainselectronics.com/categories.asp?cat=37

Many people move to the Molex KK style (where you use terminal pins into a connector socket). Here's a good article if this is something new to you: http://www.pinrepair.com/connect/

Whoa that's insane!

Buy and install out of box.

I bought a set this morning. I'm sure we'll see lots more original plastics on PinSide, so good news all around!

There were some a while ago, but I would be fully in support if someone made some new ones!

I also got mine today and I agree with winteriscoming and @meloyelo51.

Two points to note:

1. CPR plastics are MUCH thicker than the originals, which is great.
2. Although the blue is darker (more of a royal blue than original), I think it has the possibility to look better than stock.

I'll be installing some plastics for a direct comparison tomorrow night.

Here's some quick photos I took:

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***Note, I haven't peeled the frond and back protective layers, so these pieces look a bit duller on the floor.

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Terrible light job, but that's all I have at this time of night.

Here are some more comparison shots that I was able to get tonight:

Side by side, power off:
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Power On:

For power on, I put in two brand new Comet Pinball SMD 2835 bulbs.

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New CPR, Power on:
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Original Power on:
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My earlier post was pretty optimistic that perhaps the darker blue may be "more dynamic", but honestly I'm starting to feel a bit disappointed by these. In my opinion, you would not be able to mix together the two sets of plastics (much like I have done with other CPR sets Like DESW).

People crap on DE games. Sure, there are some clunkers but they will give you the best bang for your buck.

I'm holding onto my set. I'll probably replace all when I do a full topside teardown in June. I may bump up the GI bulbs to try to push through the darker blue.

Sounds like the MPU board isn't getting +5v. I would check the power connector to the MPU and start with some multimeter testing there.

Everything is rumored as a future release.

HOLY CRAP. Now, that's a find!

Mine is on order! I'll take a video for those who haven't installed a ColorDMD yet (although it's pretty damn simple).

I think all DE games are only coded for the LED version.

EDIT: This is incorrect, ColorDMD responded below this post.

I'm not 100%, but there is this:

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Paging danczaz or Dmod , do you know our question above?

Nope, I don't think the code has been released yet on the site.

http://colordmd.com/support_firmware_chroma.html

Here's a video of my ColorDMD installation. Sorry for the crappy watermark:

Although one of the cleaner pins I've owned, it's never been torn down / shopped by me. First project of 2018!

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Me too! I'm out of project pins right now so I'm finding something to keep me busy.

Would anyone be interested if I made a video on how to flame polish the plastic ramp on a JP?

Here's my video on flame polishing (using the Jurassic Park ramp):

I have not. However, I feel that as long as the plastic is thick, I don't see an issue. Just take your time, and only apply a light heat. All you are trying to do is soften the top 1mm of the ramp, not get the whole thing piping hot.

For those interested (and not in the JP FB Owners group), I started a Pinball Workshop channel on YouTube. One of my first projects is shopping out my JP:

There's quite a shock to what happens in this video.

I'll be covering other pinball machines as well as general repair and maintenance. If you like it, feel free to give it a like and/or subscribe!

Haha, I went through a lot of emotional stages on this video.

I appreciate that, however I found a piece of poplar and cut it down to size from my scraps. I would be interested hearing about your mod. I think I remember reading about it!

Yeah, I already have the T-Rex mod installed on my JP. I'll walkthrough most of the install in my series.

Seconded. Some of the nice ones I've seen.

Game was built for Taiwan. It's a re-import. Very common to see in all pins and definitely in DE pins. They made so many....