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Fuse questions

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dave_the_nerd

dave_the_nerd

Lifer
Speakers blew. Loose power plug turned 'em on and off really fast, a bunch of times, and then they stopped turning on.

Hoping it's just blown fuses - I've had things like this happen before. There's no bulging capacitors or other kinds of visible damage.

There's three fuses - 2x T2H250V, and a T630H250V. All 5x20mm.

I found the T630H250V just fine for a buck each on eBay, but when I search for the other type, all I get are T2A250V fuses.

(I don't actually know what these numbers mean, but I'm accustomed to breaking broken things with working things of the same type and being happy with the results.)

Thanks in advance.
 
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Okay, maybe this isn't as big a deal as I thought:

I took a closer look at the board with a flashlight - it's labelled "T2AH250V" - does that mean they're the same thing?

The spot on the board where the T630H250V fuse was is labelled "T315mAH250V - T750mAH250V" - does that mean I just have to use a fuse within that mA range?
 
Do you have a meter to actually check the fuses? Fuses rarely just blow without other failed components causing them to blow.
 
Matt1970 said:
Do you have a meter to actually check the fuses? Fuses rarely just blow without other failed components causing them to blow.
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No.

But I broke one when when I extracted it to read the letters, so I need a replacement anyway.

I figured since they were right there and easy to replace, it was the most likely point of failure.
 
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