Alan- I might just do that...
Ken,
I do have the 13 pin plug in place, I'm pretty sure it's the right way round (1 to 3, 2 to 7, 5 to 9, 6 to
I've also shorted all the pins of the volume control as directed by the manual
I've tried following the signal from the RCA socket, where I have around 0.1 to 0.4V AC.
I've guessed that it's heading to the closest op-amp - a 4558CP.
the weird thing about that is it would appear that supply voltage for that and all the other similar op amps is 2.6V, which seems too low....
I don't suppose anyone has a schematc for the pre-amp?
best,
James