Another EA Tremolo Debugging: No effect

[duck_arse]

geeze, my typing's bad, no matter how much I squint at the bloody screen.

well, I see those Q3 voltages have changed some at the collector.  this is interesting, but I don't know what it means ......

[MaxPower]

If you're referring to the voltages I've posted, the first set was to the schematic linked to by germanium boy. The last set are readings from the schematic you linked to.