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16 October 2021, 17:47
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#1 |
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Registered User
Join Date: Jun 2019
Location: Tokyo
Posts: 68
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3000 fuse on mouse/joy port
I plugged a naughty (serial) cable into the joystick port and my Mindlight7 tonight on my 3000, and now I've lost +5V on both mouse and joy ports, so on the 3000 I assume there is a shared fuse? Can anyone let me know where it is on the MB?
thanks in advance, RDP |
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16 October 2021, 21:22
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#2 |
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Registered User
Join Date: Sep 2015
Location: London, UK
Posts: 414
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You're right that both mouse/joystick ports have a shared fuse on the 5v pin. It's F400 according to the schematics. Depending on the version of your motherboard, the location varies a bit but generally it's near the two ports but positioned a little closer to the back of the machine than either port. There is also a ferrite bead in series with the fuse that could have blown as well (FB400) - worth checking that for continuity too.
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16 October 2021, 23:13
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#3 |
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Registered User
Join Date: Jun 2019
Location: Tokyo
Posts: 68
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Thank you very much. This will be going to my super-tech, but just wanted to get a bit of research done so he didn't have to do absolutely everything....
thanks! |
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18 October 2021, 11:48
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#4 |
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Registered User
Join Date: Aug 2018
Location: Gothenburg, Sweden
Posts: 23
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Blew that "fuse" (looks more like a resistor) on my A3000 some time ago, soldered a holder in place and put in one of those glass fuses so I can easily swap it if it happens again.
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18 October 2021, 16:30
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#5 |
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Registered User
Join Date: Jun 2019
Location: Tokyo
Posts: 68
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That, is a very good idea!!!!!
RDP |
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18 October 2021, 17:08
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#6 |
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Registered User
Join Date: Dec 2016
Location: East Kilbride, Scotland
Posts: 451
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I replaced mine with a polyfuse.
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20 October 2021, 15:31
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#7 |
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Registered User
Join Date: Jun 2019
Location: Tokyo
Posts: 68
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Wow, never heard of a Polyfuse before!
RDP |
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