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by gfucka
Fri Sep 16, 2016 6:44 am
Forum: Troubleshooting
Topic: Raspberry pi b+ no led no power
Replies: 16
Views: 2559

Re: Raspberry pi b+ no led no power

Thank you to all for answers and sorry if I'm insistent. But the strange is I have not done nothing to mi board, Inot connect any to the GPIO, because I use my raspberry as a mediacenter with Kodi. The only things that is appened was an electricity come and go for a strong thunderstorm. But if this ...
by gfucka
Thu Sep 15, 2016 2:23 pm
Forum: Troubleshooting
Topic: Raspberry pi b+ no led no power
Replies: 16
Views: 2559

Re: Raspberry pi b+ no led no power

Ok but I want to be sure the 3v3 supply is broken. How I can do??
Thank you so much
by gfucka
Thu Sep 15, 2016 7:07 am
Forum: Italiano
Topic: Raspberry pi b+ non si accende
Replies: 2
Views: 792

Re: Raspberry pi b+ non si accende

Ho verificato e f1 sembra essere ok,
ho 5v su entrambi i lati, testato in ohm da valori prossimi allo zero e in test di continuità da corto.
Sul pin 3v3 della GPIO però ho soltanto 0,8 ohm e non 3,3 volt.

Cosa può essere??

Grazie
by gfucka
Wed Sep 14, 2016 9:47 am
Forum: Troubleshooting
Topic: Raspberry pi b+ no led no power
Replies: 16
Views: 2559

Re: Raspberry pi b+ no led no power

Thank you.
Ok how I can know what is died in the 3v3 supply chip?
Can I repair the board or I just have to trush it??
by gfucka
Wed Sep 14, 2016 6:40 am
Forum: Troubleshooting
Topic: Raspberry pi b+ no led no power
Replies: 16
Views: 2559

Re: Raspberry pi b+ no led no power

I do the measure, and I have this: On PP1-PP3 5V on PP7-PP3 5V on the both side of polyfuse I have 5v polyfuse measure in homs give me something near to 0 the continuity test on the side of polyfuse is ok on GPIO pin 2 and 4 I have 5V and I remove all usb device from the board and nothing happen whe...
by gfucka
Tue Sep 13, 2016 2:19 pm
Forum: Troubleshooting
Topic: Raspberry pi b+ no led no power
Replies: 16
Views: 2559

Re: Raspberry pi b+ no led no power

Ok in the evening I do this test. But if I verify the f1 is broken, how I can replace it? Where I can buy another similar polyfuse?? Thank you It is very rare that the polyfuse itself is the problem. The polyfuse is self healing and can be tripped many many times. It will reset itself after several...
by gfucka
Tue Sep 13, 2016 12:33 pm
Forum: Troubleshooting
Topic: Raspberry pi b+ no led no power
Replies: 16
Views: 2559

Re: Raspberry pi b+ no led no power

Ok in the evening I do this test.
But if I verify the f1 is broken, how I can replace it?
Where I can buy another similar polyfuse??
Thank you
by gfucka
Tue Sep 13, 2016 10:25 am
Forum: Troubleshooting
Topic: Raspberry pi b+ no led no power
Replies: 16
Views: 2559

Re: Raspberry pi b+ no led no power

Hi and thank you for answer. What I test? The 5 volt and 3v3??
by gfucka
Tue Sep 13, 2016 7:25 am
Forum: Italiano
Topic: Raspberry pi b+ non si accende
Replies: 2
Views: 792

Raspberry pi b+ non si accende

Ciao ho un raspberry pi model b+. L'ho usato per un anno con Kodi e tutto andava alla perfezione. Ieri si è spento e non si accende più, se collego l'alimentatore non si accendono neanche più i led. Pensavo fosse un problema di alimentazione e quindi l'ho collegato all'alimentatore dello smartphone ...
by gfucka
Tue Sep 13, 2016 7:07 am
Forum: Troubleshooting
Topic: Raspberry pi b+ no led no power
Replies: 16
Views: 2559

Raspberry pi b+ no led no power

Hi I have a Raspberry Pi Model B+. I use it for more than year with Kodi and all work fine. Yesterday it not start, and no led go on (red and green). I think it is power supply but I try with my phone power supply 5v 700mA and no led no booting, than I try with the TV usb 5v 5A and no changed. It is...

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