[ltp] Re: LED screen died again...

Henrique de Moraes Holschuh linux-thinkpad@linux-thinkpad.org
Wed, 13 May 2009 14:09:55 -0300


On Wed, 13 May 2009, Bjørn Mork wrote:
> I have no idea how the backlight is built, but there must be some
> constant-current logic driving the LEDs.  If this is faulty, it could
> kill the LEDs.  I guess it's possible that the LED driver is separate

Yeah, but it wouldn't kill ALL leds at the same time, unless it was a
massive spike.  It is more likely that the constant-current source is crap
breaking down (or whatever controls it is).

-- 
  "One disk to rule them all, One disk to find them. One disk to bring
  them all and in the darkness grind them. In the Land of Redmond
  where the shadows lie." -- The Silicon Valley Tarot
  Henrique Holschuh