Fuzz Face problem

bschrecko · 18th September 2009, 05:19 AM

recently built a fuzz face using the original schematic except with an led and transistors from small bear. it works in bypass, and when i engage it, the led comes on, but there is no sound. Also, I tested every connection with an ohmmeter and used an audio probe to try to see where the sound was and wasn't coming through, but it didn't even work when I just connected it to the input jack. But, the probe worked when i connected it to the input jack in bypass. does anyone have any tips for troubleshooting?

Lee35210 · 18th September 2009, 02:35 PM

Can you post the schemo you used and a picture of wiring? Will go a long way towards anyone being able to offer advise or condolences. I remember one that I NEVER could get to work in the distant past. Know how frustrating it can be.

bschrecko · 19th September 2009, 02:42 AM

http://www.generalguitargadgets.com/...ff5_lo_pnp.pdf

That's the schematic and the wiring I used, except I didn't use a pcb, i used perfboard. Also none of the optional parts.

gain-wire · 19th September 2009, 03:39 AM

Hi, I think you have wired the bypass switch wrong, because if you can probe the input jack and get nothing in one position and something in the other position, then it's obviously the path that is wrong. Unless you've got something shorted to ground after switch...

Post a picture, wonT' you please?

O.

18th September 2009, 05:19 AM	#1
bschrecko diyAudio Member Join Date: Sep 2009	Fuzz Face problem recently built a fuzz face using the original schematic except with an led and transistors from small bear. it works in bypass, and when i engage it, the led comes on, but there is no sound. Also, I tested every connection with an ohmmeter and used an audio probe to try to see where the sound was and wasn't coming through, but it didn't even work when I just connected it to the input jack. But, the probe worked when i connected it to the input jack in bypass. does anyone have any tips for troubleshooting?

18th September 2009, 02:35 PM	#2
Lee35210 diyAudio Member Join Date: Jan 2004 Location: Irondale, AL	Can you post the schemo you used and a picture of wiring? Will go a long way towards anyone being able to offer advise or condolences. I remember one that I NEVER could get to work in the distant past. Know how frustrating it can be. __________________ Been there, Heard that, Forgot what I was listening to!

19th September 2009, 03:39 AM	#4
gain-wire diyAudio Member Join Date: Nov 2004 Location: NCR	Hi, I think you have wired the bypass switch wrong, because if you can probe the input jack and get nothing in one position and something in the other position, then it's obviously the path that is wrong. Unless you've got something shorted to ground after switch... Post a picture, wonT' you please? O. __________________ Trans-directional-servo-logamp non-zerocrossing autogain compressing thingamajig

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19th September 2009, 02:42 AM	#3
bschrecko diyAudio Member Join Date: Sep 2009	http://www.generalguitargadgets.com/...ff5_lo_pnp.pdf That's the schematic and the wiring I used, except I didn't use a pcb, i used perfboard. Also none of the optional parts.

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