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Pickngrin
February 6th, 2009, 10:21 PM
I just bought a new 1 Spot to power my pedals. Now the LED I had added to my Crybaby wah no longer works *unless* a 9V battery is connected. The effect itself works on AC power.
Any ideas?

Thanks!
duhvoodooman
February 7th, 2009, 04:31 PM
Sounds like you must have wired the LED into the battery connection and not the main power rail after the point where the AC adapter supply joins.
Pickngrin
February 7th, 2009, 08:52 PM
Sounds like you must have wired the LED into the battery connection and not the main power rail after the point where the AC adapter supply joins.

One lead of the LED is wired to ground and the other is wired to the middle lug on the 3rd pole of the switch. The 9volt battery connector is wired directly to the DC adapter jack.

http://home.comcast.net/~ebayj/wah1.jpg
http://home.comcast.net/~ebayj/wah2.jpg
duhvoodooman
February 8th, 2009, 09:05 AM
If we're going to troubleshoot this problem with photos, we're gonna need some that weren't taken from the Goodyear blimp. :poke: ;) :D

Seriously, if you can get some good, in-focus close-ups (use you camera's macro setting) of the LED wiring at the AC adapter jack and the stomp switch, it would be very helpful.

Question--do you have a resistor in series with the LED, to drop the voltage down? 9V is usually too much for these LED's and they burn out quickly. I generally use a 4.7 Kohm.
Pickngrin
February 8th, 2009, 02:45 PM
If we're going to troubleshoot this problem with photos, we're gonna need some that weren't taken from the Goodyear blimp. :poke: ;) :D

Seriously, if you can get some good, in-focus close-ups (use you camera's macro setting) of the LED wiring at the AC adapter jack and the stomp switch, it would be very helpful.

Question--do you have a resistor in series with the LED, to drop the voltage down? 9V is usually too much for these LED's and they burn out quickly. I generally use a 4.7 Kohm.

I replaced those gray wires (hard to follow when there are too many of the same color). I had a resistor with the previous LED -- which physically broke today when I was taking it out. The new one apparently has one built-in.

http://home.comcast.net/~ebayj/wah3.jpg
http://home.comcast.net/~ebayj/wah4.jpg
http://home.comcast.net/~ebayj/wah5.jpg
http://home.comcast.net/~ebayj/wah6.jpg