Question about Acer Aspire L100 PC Desktop

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3.3 seems ok

Nick,

I really appreciate your help. Otherwise I'm just stabbing in the dark.

The cap that you originally described (PEC 19) has 3.3 v on the + leg.

The other 2 caps I replaced have 0 volts on the + legs. They are located physically near two 3 pin devices that I take to be voltage regulators (PO13 and PO14)

PO13 has the following designations on the device face - D436 BE6V16
PO14 has D438 BE6118

PO13 has 19.4 volts on the center pin. 0.02 and 0.04 volts on the outer pins

PO14 has 0.2 volts on the center pin 5.09 volts on the left pin (pins pointing down) and 0 volts on the right pin.

Does any of this make sense to you?

Thanks again
Carl

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Carl,

does the hard drive spin up? if not it may indicate the fan is on the 5V rail and not the 12V rail.

P013 definately doesn't appear correct and i would guess is the problem component.

Ive tryed googling for the part but not turned up any hits im afraid.

From what I recall the 12V rail needs to be able to source 5A so if you can find a pin compatible device you may be able to replace it as it doesnt look like the original device is easy to find.

You never know you may well find the same device on that old mobo of yours :)

Would be glad to know if you make any further progress.

Regards

Nick


Posted on Aug 25, 2008

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Ok, they're the kiddies to replace, are they all the same manufacturer? all 1000uf 6v3's?

What happens is the electrolyte breaks down and produces hydrogen gas, sometimes they can literaly explode but more often than not they'll either blow out the top or the rubber plug on the bottom and just leak the electrolyte on the PCB.

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