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Thread: reel/stop button isses

  1. #21
    Tokie Owens troytrain's Avatar
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    Default Re: reel/stop button isses

    The diode has 2 sets of numbers. lN4002 and below that Gl 9444.
    I want to get the right part so I am trying to match all the numbers.
    I can find the IN4002 part of the number But I'm not finding it with the other set of numbers.

    I am sure it would be helpful if I knew more about these parts. But I truly just don't.
    But one thing is for sure, I am not afraid to ask for help.


    Attachment 98182

  2. #22
    Tokie Owens troytrain's Avatar
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    Default Re: reel/stop button isses

    Since I have the diode off the PC board I have tested it and it checks out to be good. So I will solder it back to the PC board. I would still like to get a few of the proper diode just to have in my parts box.

  3. #23
    Tokie Owens troytrain's Avatar
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    Default Re: reel/stop button isses

    UPDATE:

    I am happy to report that the ordered parts for my STOP BOARD arrived today.
    I have installed them and the Big Bonus 777 slot machine is working like a new one now.
    I have created a short video showing the issues I found and what I did to correct them as well as the parts I used to repair the Stop Board.
    The cost to repair my stop board was only $3.24.

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  5. #24
    Tokie Owens troytrain's Avatar
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  7. #25
    Pachi Puro Peteybob's Avatar
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    Default Re: reel/stop button isses

    Congrats on getting things all patched up and working now

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  9. #26
    Stuey - The RADministrator MrGneiss's Avatar
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    Default Re: reel/stop button isses

    Yay!!

    "Blowing smoke rings at the moon."

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  11. #27
    I was thrown out of Top Gear Drunkenclam's Avatar
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    Default Re: reel/stop button isses

    Nicely done. Good vid too.

    Here. Have a banana to celebrate

    Ian #UKPachinko

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  13. #28
    Tokie Owens davey400's Avatar
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    Default Re: reel/stop button isses

    Wow, very useful!
    I am into the same boat right now, just without the mouse.
    Same board, same issue, same shortcut. Already remove the C10 (because it looks like it causes the shortcut) and as far as I can read the board it just removes high-frequency disturbance, so that part does not even seem essential.
    Was looking for schematics for the board to better understand what it is doing.

    It is pretty funny that someone at the other side of the ocean is working with the same issue in the same weekend. Let's hope I am as successful as you where!

    Thanks for your great report!

    V

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  15. #29
    Tokie Owens davey400's Avatar
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    Default Re: reel/stop button isses

    Hi Toytrain, different machine, other side of the ocean, same weekend, same issue.
    Same cause: C10.

    I do think this capacitor is just to reduce high-frequency disturbance in the power-line the board can work without it.
    Just tried that, and the machine works like a charm!

  16. #30
    Tokie Owens troytrain's Avatar
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    Default Re: reel/stop button isses

    Quote Originally Posted by davey400 View Post
    Hi Toytrain, different machine, other side of the ocean, same weekend, same issue.
    Same cause: C10.

    I do think this capacitor is just to reduce high-frequency disturbance in the power-line the board can work without it.
    Just tried that, and the machine works like a charm!
    That is interesting. You save a whole $0.68 by not replacing C10. LOL
    I did buy a pack of 20 with free shipping but only needed 1.

  17. #31
    Tokie Owens davey400's Avatar
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    Default Re: reel/stop button isses

    It was not really about the savings, but all about being able to do a quick test.
    We live in a small village and there are no more electronics shops anywhere near.
    (Or even far, for all I know...)
    Could have ordered one online, but did not want to wait...

  18. #32
    Tokie Owens troytrain's Avatar
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    Default Re: reel/stop button isses

    Quote Originally Posted by davey400 View Post
    It was not really about the savings, but all about being able to do a quick test.
    We live in a small village and there are no more electronics shops anywhere near.
    (Or even far, for all I know...)
    Could have ordered one online, but did not want to wait...
    I understand and at $0.68 you are not saving much at all.
    Just to be clear I meant no disrespect with the comment. I just thought it odd that the circuit worked without it. I have no clue what that component does in the circuit. But then again, for what it cost maybe it don't do much.
    I am going to guess that there is reason for it to be there and long term use without it may damage other components. Maybe someone else can tell us what that component does in the circuit if what you suggest is not correct. You could be right though cause I have no clue.
    Last edited by troytrain; 07-25-2021 at 12:35 PM.

  19. #33
    Tokie Owens davey400's Avatar
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    Default Re: reel/stop button isses

    I will try to explain:

    The input power on the board will be routed through some other components (fuse, resistors, diode) to a 7805 series IC, which functions as a voltage regulator; it reduces the incoming 24 volts to 5 volt, which is used on a large part of the board.
    The packaging looks like a transistor. Looking at this formfactor you can see it is not being cooled, so it will not be designed to handle very high currents.

    The board does not know if the input voltage is always clean, and to protect the rest of the circuits on the board it will try to 'clean' the incoming power.
    It does so in 3 ways:

    There is a big capacitor; that stabilizes the incoming voltage. If there are short drops, they will be compensated by the capacitor. Even short peaks will be leveled down by that capacitor, the big blue tube on the lower left at the board.
    Than there is our famous C10. This is supposed to eliminate high-frequency disturbance, if any.
    Finally there is a 27 volt zener-diode. If the incoming voltage is higher than 27v, this will short-circuit and therefore blow the fuse.

    The problem with C10 in my case was that this component was causing a short-circuit. This also causes the fuse to blow.
    Since the incoming voltage is expected to be clean (and seems to be clean in my case) there is no need for C10 to filter any disturbances.

    Having the C10 is good; always expect the unexpected.
    That's what the designer of this board did: "I am not sure I will get a clean input power, so let's make it clean before we use it".

    But the designers of the rest of the components did the same: "Let's make sure that my components work perfect!", so they created a clean 24 volts power source to be used by other components.

    So is it better to replace C10 with a working one: Yes. Because it is supposed to be there, and just in case the input is not clean.
    Is it essential for the working of the board: No, as long the incoming 24 volts is not messy.

    I hope this explains my thoughts about leaving out C10 (for now...) a little better.
    I will replace it one day, I am just not in a hurry to do so.

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  21. #34
    Tokie Owens troytrain's Avatar
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    Default Re: reel/stop button isses

    Quote Originally Posted by davey400 View Post
    I will try to explain:

    The input power on the board will be routed through some other components (fuse, resistors, diode) to a 7805 series IC, which functions as a voltage regulator; it reduces the incoming 24 volts to 5 volt, which is used on a large part of the board.
    The packaging looks like a transistor. Looking at this formfactor you can see it is not being cooled, so it will not be designed to handle very high currents.

    The board does not know if the input voltage is always clean, and to protect the rest of the circuits on the board it will try to 'clean' the incoming power.
    It does so in 3 ways:

    There is a big capacitor; that stabilizes the incoming voltage. If there are short drops, they will be compensated by the capacitor. Even short peaks will be leveled down by that capacitor, the big blue tube on the lower left at the board.
    Than there is our famous C10. This is supposed to eliminate high-frequency disturbance, if any.
    Finally there is a 27 volt zener-diode. If the incoming voltage is higher than 27v, this will short-circuit and therefore blow the fuse.

    The problem with C10 in my case was that this component was causing a short-circuit. This also causes the fuse to blow.
    Since the incoming voltage is expected to be clean (and seems to be clean in my case) there is no need for C10 to filter any disturbances.

    Having the C10 is good; always expect the unexpected.
    That's what the designer of this board did: "I am not sure I will get a clean input power, so let's make it clean before we use it".

    But the designers of the rest of the components did the same: "Let's make sure that my components work perfect!", so they created a clean 24 volts power source to be used by other components.

    So is it better to replace C10 with a working one: Yes. Because it is supposed to be there, and just in case the input is not clean.
    Is it essential for the working of the board: No, as long the incoming 24 volts is not messy.

    I hope this explains my thoughts about leaving out C10 (for now...) a little better.
    I will replace it one day, I am just not in a hurry to do so.
    That makes since to me.
    Thanks for the information.

  22. #35
    Tokie Owens Skeagle1's Avatar
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    Default Re: reel/stop button isses

    I purchased this same machine for my mom and dad. He is a disabled Vietnam vet who's health has gotten worse recently and they are no longer able to go to the casinos. Well, it all worked when I bought it. I had to lay it on its back to load it and take it to my parents house. We'll, now, I have some issues and I need help! Is there any place I can purchase replacement keys, specially a reset key? I was able to get into the machine by access through the hole in the bottom so I have it opened up. The hopper was full and jamed so I took it out and cleaned it and put it back in. No bad connections or wires. The stop buttons don't work but my son played it and hit the jackpot. Well, we forgot to put coins back in the hopper so we get the HP error and the machine is going nuts. I cannot seem to reset it without the reset key. Is there another way to reset or some place I can get a replacement key? Any help or suggestions would be GREATLY appreciated. Thank You.

  23. #36
    Stuey - The RADministrator MrGneiss's Avatar
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    Default Re: reel/stop button isses

    WELCOME!!!

    Reset key switches can be replaced with a simple on off switch!!

    "Blowing smoke rings at the moon."

  24. #37
    Chicken Fried Steak takethecastle57's Avatar
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    Default Re: reel/stop button isses

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

  25. #38
    Tokie Owens Skeagle1's Avatar
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    Default Re: reel/stop button isses

    So I can do that without 1st having a key to reset the machine? That's good to know. My father is a retired electrician and has several toggle switches of all sizes. Surely he has one I can use for that. It will be a couple of weeks before I'm back up to where the machine is and I'll give that a try then. Surely I'll be able to figure it out.
    Thank You.

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