dallas rangemaster

[colin trueman]

 :icon_evil:I have just built the dallas rangemaster, layout by andrew carrell.Got normal sound in bypass mode and no sound when switched on, I couldn't get a oc44pnp as specified I was told a 2sb75 was a suitable alternative.I have double checked all wiring and  component placing has anyone got any ideas why it isn't working.

truemanandco@tiscali.co.uk

[JonFrum]

Have you tried here yet? 


http://www.diystompboxes.com/wiki/index.php?title=Debugging

[stm]

Two first things to indicate are:

1) a working link to the layout you are using
2) the voltage readings with respect to ground taken at the Emitter, Base and Collector of the transistor

[R.G.]

Oddly enough, that stickie at the top of the threads list titled "Debugging: What to do when it doesn't work" is intended specifically for problems like this. It might help to read that.