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Old 01-28-2015, 02:07 PM   #41
Cohibaman
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Default Re: Music server motherboard caps

Thanks! That's what I figured, especially since this thing draws so little (1,100mA @3.3V; 1,250mA @ 5V, and 550mA @ 12V). Start-up is a whole 51 Watts for about a second!

Last edited by Cohibaman; 01-28-2015 at 02:09 PM..
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Old 04-03-2015, 01:30 PM   #42
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Default Re: Music server motherboard caps

Can anyone identify fuses FB2 and FB4 and what I can replace them with (besides a solder bridge lol)? These things are ridiculously small, no markings, and FB2 is open.
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Old 04-03-2015, 03:00 PM   #43
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Default Re: Music server motherboard caps

those are inductors.
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Old 04-03-2015, 03:09 PM   #44
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Default Re: Music server motherboard caps

Ahhhh FB = ferrite bead?
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Old 04-03-2015, 03:35 PM   #45
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Default Re: Music server motherboard caps

right
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Old 04-03-2015, 04:02 PM   #46
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Default Re: Music server motherboard caps

How do I determine the value of the bad one?
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Old 04-03-2015, 04:48 PM   #47
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Default Re: Music server motherboard caps

throw some dice?
you cant - if you can meter inductance then read the good ones.
or just find one the same size on some junk - it's probably not critical get be exact.
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Old 04-03-2015, 05:12 PM   #48
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Default Re: Music server motherboard caps

Yup, I already harvested a slightly larger one from a cable TV box MB. It's working great. The old one burned out while I was troubleshooting the video output, so no worries with this one burning up. I did learn my soldering iron tip isn't isolated though! Lol
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Old 04-03-2015, 05:13 PM   #49
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Default Re: Music server motherboard caps

Btw, thanks stj!
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Old 04-03-2015, 05:58 PM   #50
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Default Re: Music server motherboard caps

a good tip, your soldering iron tip is connected to ground, cut the wire in the handle or base and put a 1meg resistor inline.

that will disipate static but not pass enough current for a fireworks display if you solder something that is still powered.
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