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Thread: Daichii Tom and Jerry some LED's not working

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    Blind Shooter ladebalken's Avatar
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    Default Daichii Tom and Jerry some LED's not working

    Hi,
    after building the housing for my tom and jerry pachi and cleaning everything up i have now time to check the last remaining problem.
    some of the controlled LED's on the right side in the lettering "CYAAAAA" are not working. are there transistors or chips that control the LED's that are maybe broken? i've searched a little for a circuit diagram to check voltages at these points, but i found nothing
    maybe someone knows the technology of the daichii pachinko better than me... any help is highly appreciated

    thanks!
    ladebalken

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    Gibisans - Japan West compirate's Avatar
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    Default Re: Daichii Tom and Jerry some LED's not working

    Check connectors that go to those led boards first, sometimes come loose. Are these leds that are on all the time or just during special times?

    人生は恐れなければ、とても素晴らしいものなんだよ。
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    Blind Shooter ladebalken's Avatar
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    Default Re: Daichii Tom and Jerry some LED's not working

    Quote Originally Posted by compirate View Post
    Check connectors that go to those led boards first, sometimes come loose. Are these leds that are on all the time or just during special times?
    Thanks for your help. I already checked the wires and their connectivity. these led's are controlled by the pachinko and not always on. also the ones that are not lighting are all in the same little spot, the last A's from the lettering CYAAAAAA. so i thought it maybe could be a transistor problem or something similar to the driving (as with the controlled lights in a pinball machine) of these led's.

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    Blind Shooter ladebalken's Avatar
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    Default Re: Daichii Tom and Jerry some LED's not working

    nobody?
    maybe anyone has contact email from daiichi?

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    Chicken Fried Steak takethecastle57's Avatar
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    Default Re: Daichii Tom and Jerry some LED's not working

    to the Modern Pachinko Machine dreaded Hell . These machines are build , installed , and after the average of 2 Years in the Parlor about 1/8 th of the production run is saved by collectors the remaining are Destroyed ( Part sold mainly to China for the Solid State components and they even bleach the color out of the plastic . ) I have a 1st generation 2002 Newgin Cobra Space Adventure with one of the two payout circuits not working and I have tried all the regular things and it's a board problem . Alot of the I.C. are custom Eproms and made just for that machine or Frames . That said get a magnifying glass with a built-in light and check the connector pins for a bent one and if you do have one that is bent Very Carefully with jewelers screwdriver straighten it . I think about a decade one of our members tried to get a schematic for a Machines and got no where . I hope it is just a bent pin in one of the connectors .
    Last edited by takethecastle57; 01-21-2016 at 06:31 AM.
    When things don't go right the 1st time , Step back ,Take a break and come back renewed. RGS

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    Blind Shooter ladebalken's Avatar
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    Default Re: Daichii Tom and Jerry some LED's not working

    sounds not good... like "die Suche nach der Nadel im Heuhaufen", as we in germany would say...
    i love this machine... but my search for technical information on the net was nearly useless
    any information, i.e. which board is responsible for the controlled led's in the front lettering would be very helpful...

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    I was thrown out of Top Gear Drunkenclam's Avatar
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    Default Re: Daichii Tom and Jerry some LED's not working

    If you can test the less themselves and work backwards from there. A pain with tiny components
    Ian #UKPachinko

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    Blind Shooter ladebalken's Avatar
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    Default Re: Daichii Tom and Jerry some LED's not working

    Quote Originally Posted by Drunkenclam View Post
    If you can test the less themselves and work backwards from there. A pain with tiny components
    i think this will be the only way to do and i can feel the pain already
    maybe i just bridge the not working led's to another one that works to the left...

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    Default Re: Daichii Tom and Jerry some LED's not working

    and finally i have it fixed
    it was already a pain in the ass just to get to the led board. but many screws, cables and little plastic pieces later i got the led board out and could take a closer look at it. i tested with my dmm and luckily only one led was broken. but these things are small as hell and getting the broken one out and the new one soldered in was anything but funny... but the result counts and i'm happy now
    thanks to all who tried to help!
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    I was thrown out of Top Gear Drunkenclam's Avatar
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    Default Re: Daichii Tom and Jerry some LED's not working

    Great news I'm glad you got it working again
    Ian #UKPachinko

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