Help with a Nad 310 amp

[numb skull]

Hi all could anyone help me this is my first post here so please be gentle. I need to find the secondary voltages of the mains transformer, the caps in the power supply are 63v which suggest say around 40v maybe. But the voltage at Q215(PNP 2SA970) is 54.3v on the emitter which puzzles me a little, can any body help me please.

Regards numb skull ...

 

[jaycee]

Remember that DC voltage after rectification and smoothing of RMS AC is higher. Multiply by 1.42. 40V sounds right to me.

 

[numb skull]

Re My Nad 310

Hi jaycee many thanks for your reply that does help me a lot, i just thought if it was over 50v or more it was gonna be getting close to edge with those power supply caps thanks again.

Regards numb skull .....

Remember that DC voltage after rectification and smoothing of RMS AC is higher. Multiply by 1.42. 40V sounds right to me.