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humbled survivor January 13th 15 04:18 PM

question about capacitor
 
There's a couple of holes on the board to put an electrolytic capacitor.
Beside one of the holes is a white dot. Is that where the positive of the
capacitor goes?


N_Cook January 13th 15 04:35 PM

question about capacitor
 
On 13/01/2015 16:18, humbled survivor wrote:
There's a couple of holes on the board to put an electrolytic capacitor.
Beside one of the holes is a white dot. Is that where the positive of
the capacitor goes?


No standard on that, compare with other caps/dots on the same pcb

John-Del January 13th 15 09:07 PM

question about capacitor
 
On Tuesday, January 13, 2015 at 11:35:47 AM UTC-5, N_Cook wrote:
On 13/01/2015 16:18, humbled survivor wrote:
There's a couple of holes on the board to put an electrolytic capacitor.
Beside one of the holes is a white dot. Is that where the positive of
the capacitor goes?


No standard on that, compare with other caps/dots on the same pcb


And if there are no other electros on the board with which to compare it, check the voltage across it, or get a non-polarized cap instead.


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