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I have been using two Firepods on my Mac running Mavericks. This setup has been working well for me with the exception of the loss of a single channel (XLR Input #3). That is until recently when I went to my studio and noticed one of the Firepods was not powered up. I switched the power supplies and still dead with the other still working. I checked the internal fuse which is intact. I did have a problem with the power switch several years ago and they sent me a new switch. I checked the switch on this unit and it doesn't seem to be the problem. I am not sure what else to check, any input would be greatly appreciated.

Thanks,
DangerDave01
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by cristofe on Thu May 07, 2015 10:50 am
Well, as you switched power supplies, you know that's not the problem. Have you opened it up and checked for blown capacitors?

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by DangerDave on Fri May 08, 2015 10:08 am
I did open the unit to check the power switch. Could a bad cap not allow the unit to power up? The cap by the power switch looks to be bulging on the top so I guess my next step will be to totally expose the board and check all of them?
–DangerDave
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by SirNickity on Fri May 08, 2015 12:40 pm
It could, if there's a supervisory circuit that provides a Power Good signal to the downstream load. A bad electrolytic cap often means the DC rail is going to have excess ripple and/or noise. If the cap failed shorted, it might be tripping protection circuity upstream. Or, the cap could be the symptom rather than the cause.

My unsolicited 2 cents: You've lost a channel, replaced a failed switch, and now have bad caps. That would shake my confidence in the reliability of that particular box. I think I would cut my losses and move on at this point, but the trade-off between the investment and the cost of something going wrong is a personal matter.
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by DangerDave on Thu May 14, 2015 5:50 pm
Thanks SirNickity,

The unit that lost a channel is not the one that is dead. Presonus support will fix it for $85 but I was hoping I could replace a $5 part and be back in business...? Am I just chasing a dream or should I continue to trouble shoot this unit?

Thanks,
DangerDave
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by Karyn on Fri May 15, 2015 6:21 am
You need to add the cost of your time to the 5$ for the part (that's a bit much actually) so if you value your time at $20 per hour can you fix it in under 4 hours? (assuming everything goes to plan and the fix works first time...)

Karyn

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by cristofe on Sat May 16, 2015 4:25 pm
Yeah, the part should be less than $5. And, quite frankly, you have nothing to lose by attempting the repair yourself. If you you don't have the chops, you're only out a few $.

https://soundcloud.com/cristofe-chabot/sets/main

PC'S: HP XW6000 Dual 3.2GHz Intel Xeon, 8GB RAM WinXP SP2 HP 6005 Pro AMD Athalon X2 B24 3.0Ghz, 4GB RAM Win8 Pro Dell Latitude E6410 Laptop Intel i5 2.67Ghz 8GB RAM Win7 Pro x64 Audio Interfaces: Terratec EWS88MT PCI (2), Audiobox 1818VSL USB & Firestudio 26x26 Firewire, Line 6 PodXT, Roland GS-10, NI Rig Kontrol 3

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