On Mon, 18 Feb 2008 15:52:51 -0000, "N Cook" wrote:

or model AD-L528, 2 labels
from cold , a part second, partial feint display on the fluorescent, then
nothing.
All voltages agree with legends of 3.3,5,12,-20V dc and 4.4V ac to the
display. Standby voltage of 2.1V on switching power on.
Anyone know what the RAT of designator RAT5V stands for as it is only 1.4V
on one of the lines to/from? the ps

There is a blcok diagram and a hand-drawn psu circuit (a bit too blurry) at:-
http://www.adl528.com/cyberhome/AD-L...ALD5/index.htm

Geo