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Author Topic: Leaking Capacitor!  (Read 90 times)

Arakon

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Leaking Capacitor!
« on: May 24, 2004, 04:32:00 PM »

-There is a long and a short leg on capacitors. Which is the good way to install it?

usually the legs are equally long, just look at the cap itself, one side will have a stripe with a big "-" on it.

-If it's not set properly, what are the chance of breaking something?

the cap can blow up.


-Is anybody know what the use of this capacitor (everything is working fine with the xbox)?

it's responsible for keeping the clock settings for about 30 mins after unplugging the xbox from power.

-What's the best way to remove oxydation around the leaking capacitor and protect the circuit that was attacked by the acidity?

rubbing alcohol or simply mildly soapy water.. make very sure it dried completely before plugging it back in.
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xman954

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Leaking Capacitor!
« Reply #1 on: May 24, 2004, 06:47:00 PM »

if its a 1F cap it must be for the clock to run when unpluged a few hours
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opjose

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Leaking Capacitor!
« Reply #2 on: May 24, 2004, 06:47:00 PM »

QUOTE (Arakon @ May 25 2004, 12:32 AM)
-There is a long and a short leg on capacitors. Which is the good way to install it?

usually the legs are equally long, just look at the cap itself, one side will have a stripe with a big "-" on it.

-If it's not set properly, what are the chance of breaking something?

the cap can blow up.


-Is anybody know what the use of this capacitor (everything is working fine with the xbox)?

it's responsible for keeping the clock settings for about 30 mins after unplugging the xbox from power.

-What's the best way to remove oxydation around the leaking capacitor and protect the circuit that was attacked by the acidity?

rubbing alcohol or simply mildly soapy water.. make very sure it dried completely before plugging it back in.

Yeah, unless you are having problems, leave it as is though.

It may be a long time before it becomes an issue.
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Krill123

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Leaking Capacitor!
« Reply #3 on: May 25, 2004, 03:06:00 AM »

I don't know how good you are at soldering.. If your not that good (or haven't had alot of experienced.. Then follow these instructions)..

First thing is to write down how the capacitor is oriented on the board (where is the minus sign.. )

Then, you'd have to take the board out of the case.. Then flip it over and use a soldering iron on one of it's legs. On the orther side of the board, take a flat head screw driver and put it under the capacitor. Then gently push up while holding the soldering iron on one of the legs (on the other side of the board).

The capacitor should pop up. Then use a pair of pliers and hold the capacitor and put the soldering iron tip on the other leg.. The solder should loosen up and you should then be able to remove it.

After it's removed, clean the damaged area with rubbing alcohol.

Then put in the new capacitor (make sure of the polarity).. then solder it back in. Leave a bit of space between the capacitor and the board. And cut the excess lenght of the legs after it's soldered in.

Important thing it take your time.. It's easy to do.. But also easy to scratch your board if you put too much force on the screw driver. Let the heat do the work for you..

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thedustycelt

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Leaking Capacitor!
« Reply #4 on: May 25, 2004, 09:06:00 AM »

biggrin.gif
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opjose

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Leaking Capacitor!
« Reply #5 on: May 25, 2004, 04:06:00 PM »

Yeah that's a very good idea if you are replacing it anyway.
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triggernum5

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Leaking Capacitor!
« Reply #6 on: May 25, 2004, 05:26:00 PM »

I wondered if ppl had done that.  Where can you get 20F caps though?
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xman954

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Leaking Capacitor!
« Reply #7 on: May 26, 2004, 06:36:00 AM »

if the cap is rated at 2.5 VDC you might be able to use 2 AA ni-cad Batterys
that would be 2.4 VDC, there is a resistor in the circuit to limit the charge to the
cap that would keep the batterys charged, very slow though may take days but
they should last weeks
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