Fuzz Face Bias

[lessthanmatt88]

I'm trying to bias the fuzz face i just rebuilt, it used to work pretty well, but now when i adjust the trim pot, i get no change on the collector of Q2's voltage, all i see is the battery's voltage (9.1).  I changed out the trim pot I had just in case and i've looked over all my connections and I have all components connected properly, as well as transistors that work well.  I'm not getting why my resistance isnt changing this, it must be a short somewhere but im not seeing where it would be.  I just keep getting this farty splatty fuzz sound and no change is happening.  Im gonna keep looking over the schematic and my layout for any more errors i may have missed but i think i found them all. 

Any help?

[QSQCaito]

Read HOW TE DEBUG thread, post your voltages. This might be the easiest way to let the pros:P detect your error

Bye bye!


hope it helps

DAC

[petemoore]

now when i adjust the trim pot, i get no change on the collector of Q2's voltage, all i see is the battery's voltage (9.1).
  I know you said you changed the Q2C pot, but the first thing I check when ^ that happens is the variable resistance of Q2's C resistor pot while being turned.

[lessthanmatt88]

i checked both of them out of the circuit and they work perfecly, as i expected.  I'm gonna check if its actually doing anything in the circuit or if its shorting out somewhere.

[lessthanmatt88]

Found the problem, i grounded the bias pot when i should have grounded the fuzz pot instead...  dont know how i didnt catch that before i posted this thinking i had a real problem...