DC Power Jack Question...BSIAB II Working

Started by modsquad, August 24, 2006, 10:49:15 AM

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modsquad

Okay I finally go the BSIAB II working, thanks to all for helping the NOOB.   I have to say I played all 6 of my guitars through it and WOOOOOW!!! :icon_mrgreen:

I have a question about the DC Jack though, when I plug in the wall wart it cuts out the power from the battery which I expected, but I am not getting any power.  Is there a certain current level that its expecting.  I used my spider plug that I have my other boxes plugged into.  I used the following wiring config:

http://www.generalguitargadgets.com/pdf/ggg_bsiab2_lo.pdf

Stan
"Chuck Norris sleeps with a night light, not because he is afraid of the dark but because the dark is afraid of him"

Pushtone

Check here for DC jack wiring.

http://www.beavisaudio.com/techpages/PedalPower/

And have a look at the rest of dano12's amazing site too!

Hope this helps
It's time to buy a gun. That's what I've been thinking.
Maybe I can afford one, if I do a little less drinking. - Fred Eaglesmith

Roobin

Are you in the Us? Are you usign a metal jack? If so, then the shell (ground) is negative, bu tht eoutside of th ejack is positive...ugh doesn't work. To solve, isolate the jack from the shell, or use an insulated one.

modsquad

In the US and followed both of wiring diagrams listed here.
"Chuck Norris sleeps with a night light, not because he is afraid of the dark but because the dark is afraid of him"

modsquad

I do notice that the wiring from beavisaudio.com is different, he takes the negative of the battery and solders to the jack.  The one on GGG for the board has the battery negative wired to the input jack and the negative of the DC Jack wired to the board.  I don't see how this would make a difference though.
"Chuck Norris sleeps with a night light, not because he is afraid of the dark but because the dark is afraid of him"

ke4unr

Either should work. I'm used to the GGG method.

Check and make sure you are running negative ground from the battery to the ring of the input jack. The sleeves of the input and output jacks should go to ground (on the board is fine). Also ground the first lug of the power jack (clockwise 1,2 3). Battery positive should go to the third lug only. Positive to the board comes from the second lug. You can also hook your LED/resistor here if you're using one. Double check you wiring at the switch. I'm assuming you're using a 3PDT (?). Make sure you have it jumpered across the appropriate lugs.

If all of this checks out, make sure you are using a negative ground power adapter. Plug it into the AC power source and use your DMM to make sure you have +9V on the sleeve, not the tip.

Otherwise, it is possible the jack is faulty. You can do a continuity test with your meter.

Glad to hear you got it working!

Ray K.