:geek: There are other components from the light engine system that can trigger the same alert..... :idea: And those are:
1.- Lamp Ballast
2.- Color Wheel
4.- Temp Sensor
5.- Lamp Door Sensor
:arrow: Try to hear a little bit more the TV when is trying to turn ON. You may identify a clicking sound which is the ballast trying to turn ON the lamp. If you hear rapid consecutive clicks, most probably ballast is bad. Another bad ballast symptom is a loud buzzing sound, kind of a fridge.
The ballast will look something like this:http://photos.discount-merchant.com/pho ... id=1192560
:arrow: A bad color wheel might give you a loud buzzing/screeching sound, kind of two plates of rusty metal sliding. Sometime when color wheel is not align you might feel a vibration if you put your hand on the back of TV near the lamp area, or on middle on top of TV.
The color Wheel will look something like this:http://www.discount-merchant.com/PhotoD ... -ENC-2.jpg
:arrow: There is a temp sensor near the lamp, where you can check continuity if its a open circuit (no continuity) you need to replace it.
Temp sensor will look like this:http://www.discount-merchant.com/SAMSUN ... 194572.htm
:arrow: And lamp door sensor, check continuity with the switch at the ON position, if its a open circuit (no continuity) you need to replace it.
Lamp door sensor will look like this:http://photos.discount-merchant.com/pho ... id=1210821
:arrow: If you dont have any of this symptoms you might have a DMD board issue, this board controls all this components and it haves the DLP Chip, a DMD will look like the last 2 pictures at this link:http://photos.discount-merchant.com/pho ... id=1191105
Hope this info helps you and others :D