Noob problems - mangler build finished pedal doesn't work

[avidgrim]

I just finished the mangler build I've been working on and I plugged a battery in but am not getting a reading when I try to bias the pedal or when I try to play through it. The signal goes through but no sound comes out when it is switch on. Only thing that is happening is the battery gets hot.

I used the standard MB wiring diagram. Only thing I haven't hooked up yet is the led.
I can send pictures by email if anyone can help out. I'm on a phone so I can't upload to the forum.

Thanks
Dave

[murdog47]

Did you set it up as a negative or positive ground...check the mangler build docs

[avidgrim]

Ah thats it. Did i fry the board?

[avidgrim]

I've got a 9v jack too so I can power with a voodoo labs PP2 as well. That is why I went by the standard wiring diagram. Are there any changes to the way that is wired?

[avidgrim]

So I got it working with a 9v. Haven't tried the DC jack yet, not super concerned with that right now. I'm wondering about 2 things.

It's pretty noisy, not horrible but considerably noisier than any other pedals I have.

When I biased the circuit I couldn't get it to -4.5v like the mangler docs specified. I can get 4.5 but the lowest it will go is 0.5.

Any suggestions?

[Rockhorst]

Sounds like you're using reverse polarity?

[Gledison]

Sounds like you're using reverse polarity?

+1

[avidgrim]

Can anyone point me in the right direction on how to fix this?

[avidgrim]

I have the electrolytic capacitors in the correct orientation I believe. Circle pads are neg, square are positive correct?

[avidgrim]

Mad Bean, any chance you could create a complete wiring diagram with a dc jack and led for the mangler? I'm piecing things together and I'm doing something very wrong.

Thanks if possible.

[catfud]

Are you including a voltage inverter for -9v supply? I put the road rage in-between the DC jack and the board to invert the voltage for my mangler.

[murdog47]

Can you attach a picture?

[avidgrim]

Haven't tried the dc jack yet. Planned on running it with a voodoo pp2 when I get around to buying one.

[avidgrim]

I will post a few pictures this evening. Thanks to everyone trying to lend a hand.

[avidgrim]

Pics
https://www.dropbox.com/s/8qayegaskqcwtpj/2013-11-02%2016.24.17.jpg
https://www.dropbox.com/s/ixaarpkp6j6cl89/2013-11-02%2016.24.12.jpg
https://www.dropbox.com/s/lbbu1k7oyivm0gk/2013-11-02%2016.23.41.jpg

I have made 1 modification from the pics. I have the wire that is connected to the tip of the in jack connected to bottom right lug on the switch. Was connected to the top middle lug.