Hi all,
I'm trying to fix the power supply on my 400s. It is a DG-50 REV A 2005-11-17.
Can anyone tell me the value of R28(?) and the voltage of zener ZD3?
IMG_20180830_155159 by macplaxton, on Flickr
Also, after removing ZD4 from the board to read the numbers, I noticed it was installed...