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Super Joker Scorpion IV does not light up


castorpoluxx
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Hi,

I have bought a year ago a slot Super Joker (Scorpion MK IV) which has worked well, see here :

https://www.fruitemu.co.uk/ib/uploads/monthly_2021_08/20200926_172422.mp4.f0cfc9c474eec58229b3c61554bad213.mp4

Now, when I turn it on, no lamp on and no screen on but ventilation, printer,... working.

Is it the battery to change ? It looks new... and if applicable how remove the battery without breaking everything ?

I don't know anything about electronics and need help please.

 

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Hi, have a look at the wiring loom plugs that go into the power supply. 

Are any looking black or melted? If so clean up the metal contact surfaces in the plug.

Sometimes what happens is you get some resistance through the contact (why they get hot) and the can voltages drop. The green led lights up but the machine won't work if the power is lower.

Hope that helps

 

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Check the 5v rail. That supplies the reset circuit. Needs to be between 4.8v and max 5.2v. It should come out of reset without video card plugged in. I don't think this is official Bell Fruit even though it's in a Bell Fruit cab. I don't remember seeing these.

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