My Sony does something similar, but you can press and hold the "off"
button for a few seconds to get the face to go completely dark.  Of
course, I discovered this after I installed a proper "off" switch...

On 5/7/2015 9:54 AM, Richard Smith wrote:
> My brother has this problem with his: the faceplate on his stereo has a
> significant draw (electro luminescent, not LED/LCD), and whoever installed
> it didn�t use the �two 12v leads, one of which is switched with the key�
> option that most stereos permit. So, what he has to do is remember to
> remove the face of the stereo every time he gets out of the van. My van is
> wired so the stereo is switched with the key (but gets power from the
> system when the key is off to hold the station memory and clock), and so I
> don�t have this problem.

toodle pip,
--
       Dug Smith          | Terry Pratchett: It's almost
(mailto:dug@dugbert.com) |  impossible to ride a rock and roll
(http://www.dugbert.com) |  motorbike and stay on for three verses.