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Thread: Let the MODS begin

  1. #1
    Tokie Owens atlanticom's Avatar
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    Default Let the MODS begin

    Back story: Several months ago I purchased a (rough condition/broken) Bellco Double Chance Pachislo (circa 2000) machine from a local craigslist add as a diversion and opportunity to exercise/improve my electronic understanding and troubleshooting skills. The machine did not disappoint. While the seller presented the error 'Cr' as "it may just be something wrong with the coin slot", there was more wrong with the machine than they shared. Which was... digital logic issues eventually tracked down to a defective CPU (which I ended up replacing twice) but that okay... it was learning experience for me. So a few hundred dollars in test equipment and a couple $30 parts purchases from China later, I finally got this puppy working properly again! (Yea... happy dance ensues...)

    So... now that I have base functionality working, I'm thinking through what modifications I can make to the machine to make it the most enjoyable to keep around. I would ask the Pachislo community for their input on what mods added the most enjoyment/value to their machines.

    While troubleshooting issues with the coin acceptance circuit I created a little arduino circuit to 'coin up' my machine while awaiting replacement photo interrupters. (By the way, an EXACT REPLACEMENT photo interrupter for a 2000 vintage Bellco machine is the Omron EE-SX3081, which I was able to purchase at $2.17 @ qty 5.) That being said, having a way to 'coin up' the machine without stealing medal from the hopper was both convenient and nice. I'm thinking of adding a button to 'coin up' based on this experience.

    I've also seen references to available aftermarket boards to automate pressing the stop buttons. While helping another pachitalk member troubleshoot his stop buttons, I understand how this modification works. I'm just wondering how much value it adds. Is it really more fun to not press the stop buttons?

    Lastly, I'm thinking about the florescent belly glass lighting (and a few other florescent bulbs), has anyone tried replacing them with LED strip lighting? I would think that would solve a lot of problems, but haven't seen any discussion on it. Maybe I entered the wrong search keywords and missed it, but would appreciate any community insight on the positive/negative implications on this. I have some leftover LED lighting strips from my kitchen remodel. It seems like an obvious replacement for the florescent bulbs that 'kinda suck' on my machine

    Please everyone... feel free to chime in on this... I'm relying on the benefit of your experience owning/playing/sharing Pachislo machines to prioritize what I might do to this one to make it the most fun possible.

    By the way, it's no museum piece - so don't feel compelled to keep it original

    Blessings to all...
    Last edited by atlanticom; 07-13-2019 at 05:23 PM.

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  3. #2
    Chicken Fried Steak takethecastle57's Avatar
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    Default Re: Let the MODS begin

    When things don't go right the 1st time , Step back ,Take a break and come back renewed. RGS

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  5. #3
    Stuey - The RADministrator MrGneiss's Avatar
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    Default Re: Let the MODS begin

    An old member that used to sell auto stop boards added a coin add mod to their boards and it was very popular even with people that didn't care about (or turn on) the auto stop part.. So that sounds like a mod that can make playing more fun!!

    As far as auto stops, I never saw the appeal..But they used to be pretty popular (I think they're harder to make for newer machines) Mostly for people that wanted them to act more like American slot machines, pull handle kits were popular add ons 15 years ago too.. These mods seemed to be more popular before pachis got screens!!

    No clue on lights, but LEDs sound good to me!!

    "Blowing smoke rings at the moon."

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    Tokie Owens atlanticom's Avatar
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    Default Re: Let the MODS begin

    Since they're dead... may as well fill 'em full of LED... replacing the dead fluorescent fixtures with L.E.D. light strips!

    I tackled the dead fluorescent back-lights on my Bellco Double Chance machine today - and I am SO HAPPY with the results that I need to share with the community.

    First let me state, I had no idea there were as many back-lights as there were. Belly glass, above reels and behind top glass. No worries though, I had about 15 meters of leftover RGB LED strips from my kitchen remodel as well as several RGB LED controllers (when I purchase items off aliexpress from China, I always purchase at least double of what I need - just in case something is defective... the price is cheap, the wait for delivery is long...)

    So I started with the belly glass. There was a single bulb illuminating that area with a couple reflective panels on the enclosure. I decided to place two LED strips in that area because LEDs are more directional than a fluorescent bulb. In hindsight, it was the right decision. I'm really happy how the two strips look through the belly glass.

    I then moved on to the bulb above the reels which illuminates both a marquee and the reels. I decided to adhere the LED strip to the back edge of the plastic enclosure so that it 'points' toward the marquee. Again, I'm happy with that decision. It really emphasizes the glass artwork.

    I was then surprised to find another fixture behind the top glass which shows the winning combinations. I had to get creative on that one because the existing bulb electronics blocked the ability to illuminate the entire area with LEDs. I ended up inverting the fixture so that the electronics face the inside of the machine and I affixed my LEDs to the back side of the assembly. I'm happy with the decision, but may consider adding another couple inches of LED strip to the left side to better illuminate the entire marquee. (it would have been so much worse if I left the fixture in it's original orientation and omitted the area covered by the electronics.

    After everything was installed and wired together, I tried connecting the LED controller to the 24vdc supply of the upper marquee bulb, but during my initial tests, the connection points seemed to get hot quickly so I
    backed off of that strategy (for the moment) and installed a dedicated 12vdc power supply to drive the LEDs. Measured current drain on the LEDs is 1.2a at 12v. In the future I plan to try installing a voltage regulator to convert the existing 24v available power to 12vdc expected by the LEDs.

    A bonus result of using RGB LEDs and related controller allows me to change the color of the back lights and/or let the controller cycle through color schemes (as if the machine didn't do enough do draw your attention to it already.)

    I highly recommend this mod for older machines that are losing fluorescent fixtures and/or bulbs. The entire mod cost me $10 US in parts (which I had already spent for spare parts, so it cost me nothing but a little time.)

    I'll attach a few picture from the build. Feel free to reply with questions and I'll do my best to respond. I'll also update the thread when I resolve my power supply issue.

    Cheers!

    IMG_7535low.jpgIMG_7538low.jpgIMG_7542low.jpg

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    Chicken Fried Steak takethecastle57's Avatar
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    Default Re: Let the MODS begin

    When things don't go right the 1st time , Step back ,Take a break and come back renewed. RGS

  10. #6
    Stuey - The RADministrator MrGneiss's Avatar
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    Default Re: Let the MODS begin

    Nice!!

    "Blowing smoke rings at the moon."

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    Tokie Owens atlanticom's Avatar
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    Default Re: Let the MODS begin

    So... moving forward with the lamp replacements, I purchased 20 T10 base LED lamps from Amazon.com for $10 us. They work perfectly! (https://smile.amazon.com/gp/product/...?ie=UTF8&psc=1)

    I now need to replace some burnt out bulbs behind the reels that are the smaller #85 base bulbs. I can get
    50 LED bulbs for $5 US ) https://www.ebay.com/itm/50Pcs-White...QAAOSwo4pYFuQ4

    or 20 Incandescent bulbs for $4 US https://www.amazon.com/uxcell-Yellow...ateway&sr=8-16

    both appear to be coming on the slow boat from China. I went ahead an purchased the LED bulbs. I'll update everyone on my experience when the come in next month

    Have a great week!

  12. #8
    Tokie Owens atlanticom's Avatar
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    Default Re: Let the MODS begin

    BTW: My wife hit the big bonus. Here's a video of what it looks like: https://www.screencast.com/t/IvnpnZ66

    Cheers

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