Good evening!
Thank you all very much!
Especially tnmshd for the service manual!
According to the manual, I looked at the main power supply and the + 48V indicator did not light up!
After disassembly, it was found that the first block at 48V is not being issued. When this was replaced by another.
The question now is that in the native power supply there was an activation function via Ret - CN5 XH2P. As I understand it, this was a test for connecting a pedal plug or simply turning off + 48V when turned off with the Stanby button.
Question 1:
Now the power supply works without this shutdown option. How important is it and why ??
Question 2:
Should pedals be pushed? I do not see that the pedals are pressed when the keys work. That is, the keys are played and they are pressed, but the pedals are not