MXR Distortion + Bad Capacitor?

[AbbandonZK]

1.What does it do, not do, and sound like?
I'm at the breadboard testing stage and there is no audio unless i pull the mainboard ground out of the bread board. Then it works till the caps stop pumping out power. This is the second time I've built it. The first time I had to desolder the whole board and make a new board because I had everything flipped. I was putting 9v DC to the IC inverting input. Now its orientated correctly I've already tryed a different OP am still no audio.  When I pull the ground from the pots and the main board I get audio. Ive already checked for bad solder, bridges and I can't find anything. Am i grounding the pedal wrong?

2.Name of the circuit =
MXR Distortion +

3.Source of the circuit (URL of schematic or project) =
http://tagboardeffects.blogspot.com/2010/07/mxr-dist.html

4.Any modifications to the circuit? Y or N
N

5.Any parts substitutions? If yes, list them.
No.

6.Positive ground to negative ground conversion? Y or N
No

7.What is the out of circuit battery voltage? => 8.35

IC1 LM741CN
P1 0.01
P2 4.14
P3 1.69
P4 0.00
P5 0.00
P6 8.23
P7 8.23
P8 0.01

D1 1N270 LEFT
A () = 0.00
K () = 0.00

D1 1N270 RIGHT
A () = 0.00
K () = 0.00

At point A in the picture the Capacitor isnt passing the 8.23v thru.

[Kipper4]

looks like pins 6 and 7 are shorted,
pin 3 should be V/2 (4v5)


"At point A in the picture the Capacitor isnt passing the 8.23v thru. "
caps do not pass DC.

[AbbandonZK]

I ran a hacksaw down the lanes near 6 and 7 and the voltage on 7 dropped down to 4.25, also pin 3 stayed the same at 1.69. Is there a way to simulate a pot with resistors I'm running out of pots?

[ElectricDruid]

Is there a way to simulate a pot with resistors I'm running out of pots?

Yes. A pair of resistors in series that add together to give the pot value you want. The middle point where the two resistors join is your "pot"s wiper connection.

T.

[duck_arse]

can we have a photo of your solderside as well, please? and welcome to the forum.

[AbbandonZK]

[AbbandonZK]

Thanks everyone for the help I just ran a hacksaw down all the lanes and it works. Then i tested it by running the audio signal thru a compressor.

[Kipper4]

Great news and welcome to the forum.
If you wanted to learn about circuits you could acquire some schematic's and start looking at data sheets.
Learn about AC and DC.
Common componants and concepts.
It's a great hobby. Enjoy the Distortion.