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post #1 of 7 (permalink) Old 07-25-2009, 11:32 AM Thread Starter
Lifer
 
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Quick question...

What is the safest way to discharge a car stereo capacitor?
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post #2 of 7 (permalink) Old 07-25-2009, 01:12 PM
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PM.

With a screwdriver. If you don't feel so adventurous, get a 10k resistor and connect it between the two leads.



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post #3 of 7 (permalink) Old 07-25-2009, 02:59 PM
EW
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Screwdriver is fine but it will leave a mark on the screw driver. Lightbulb, resistor, tongue, etc.


Don't use your tongue.
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post #4 of 7 (permalink) Old 07-25-2009, 10:14 PM Thread Starter
Lifer
 
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Quote:
Originally Posted by EW View Post
Screwdriver is fine but it will leave a mark on the screw driver. Lightbulb, resistor, tongue, etc.


Don't use your tongue.
I will pass on the tongue and screwdriver. What watt lightbulb?
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post #5 of 7 (permalink) Old 07-26-2009, 10:13 PM
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The cap will discharge as V=Vinitial*(1-1e^(t/RC)) fwiw. That will give you an idea of how long you need to keep the resistor connected.



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post #6 of 7 (permalink) Old 07-26-2009, 10:26 PM
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Quote:
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The cap will discharge as V=Vinitial*(1-1e^(t/RC)) fwiw. That will give you an idea of how long you need to keep the resistor connected.
Thanks for the tip if i ever need it.

93 Teal/Gray Cobra
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post #7 of 7 (permalink) Old 07-27-2009, 08:56 AM
EW
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Just use an 1187 or something
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