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Messages - isal

#1
Tech Help - Projects Page / Re: MANGLER NO SOUND.
March 16, 2013, 07:51:13 PM
So i tried to reflow all the solder joints,  but sitll the same result.   

so these are the current pictures.    tested voltage   4.89  to 5.3   Turning the trimpot.

i have desoldering pump but i think i need desoldering braid.

#2
Tech Help - Projects Page / Re: MANGLER NO SOUND.
March 16, 2013, 06:52:47 AM
3 points to start with.

1.- Reflow solder blobs and cut the extra
2.- Correct the pads of pot.  (its not funny to desolder pots)
3.- Cut the transistor legs in order to avoid contact.

thanks tomorrow i will post the results!

#3
Tech Help - Projects Page / Re: MANGLER NO SOUND.
March 16, 2013, 03:30:16 AM
thanks!!..
#4
Tech Help - Projects Page / Re: MANGLER NO SOUND.
March 16, 2013, 03:23:38 AM
Here they are...

#5
Tech Help - Projects Page / Re: MANGLER NO SOUND.
March 15, 2013, 04:13:00 AM
Sorry how do i measure the voltage on the pin of transistor?

I Tested the voltage with black lead to test hole an the red to ground.  I cant adjust to 4.5

It only goes from 5.3 to 5.8 volts turning the trim at minium and maximum.

#6
Tech Help - Projects Page / MANGLER NO SOUND.
March 14, 2013, 06:20:35 AM
Hi, this is my first project about  madbeanpedals pcb. 

Its a mangler with AC128, but i can set a good sound for the pedal,  i tried different combination of resistors, but only get a sweet fuzz and when i turn the volume to the top, the sound dies. aso the fuzz knob does not work properlty.  This what i did

1.-Resistors of Ac128 smallbear recomended.   
2.-Resistors of Mangler
3.-Pictures are the actual situation smallbear recomended resistors.

Some idea to start troubleshoot? 
i started with this pcb because it looks easy!  and the reward is very gratefull. =)

These are the resistors:
R1 110k
R2 27k
R3 220
R4 480



#7
General Questions / Super alpha pair
August 30, 2012, 02:59:48 AM
Hello everybody

Im thinking to add a super alpha touching circuit
From this page
http://talkingelectronics.com/pay/BEC-2/Page44.html

The idea is to switch on momentary a circuit (fuzz distortion sustain etc)
With that simple circuit?

I was trying in a protoboard to ligth up a led but it is not working

Any sugestions? 

Thanks