Just wanted to let everyone know Kite is great. We determined it to be a bad 640x480 lcd and he sent a new one and it works like a charm. A+

I got 44v at both locations in both conditions:

without screen
c59 44v
c17 44v

with screen
c59 44v
c17 44v

Edit: not sure if you circled diode 3 but it is also 44v both w + w/o screen

Thanks for the quick reply Kite. I don't see a LED labeled BL OK but one just BL and its lit red. (see attached). I let it whine for 60 seconds but dont particular notice anything under the CM3 area that is warm or hot.

Not sure if I'm doing something wrong with the settings. I have the #tester mode on the settings, nothing else I have changed on the SD card. With the 320x240 screen, everything works as expected and the diagnostic program loops fine. With the 640x480 screen, there is no backlight, and inductor whin...