Why is it after changing my dlp chip the tv will not come on and is giving error that the lamp door is open

Have you checked DLP termistor?

is the lamp turning on, if not then there may be a problem with the inverter board. or the bulb is faulty, bulbs can become faulty in transit.

You are going to ruin the optics using a Xenon lamp. The ballast in the TV talks back via UART to the CPU. By removing the ballast the TV cannot talk to it and run itself properly. Also using a xenon lamp will give terrible color reproduction as its not putting out nearly enough lumens in the right spectrum. It will also bombard the color wheel and DLP chip with UV light and ruin those as well.

Hello, make sure all the covers are on correctly, then recheck all the wiring connections, unplug each one and inspect them for a bent pin. Let me know....tks

Check and replace its lamp.

Kelly,

The yellow blinking light generally means that the lamp cover is open. You may have accidentally jarred the lamp while changing the DMD chip, and the lamp safety switch is not engaging. The first thing I would try would be to re-install the lamp and make sure the cover is on correctly. Let us know if that solves the problems. Thanks.

it is your dlp chip i just changed mine make sure it is in tight ther is a video on you tube that is very helpful mine did the same thing with the lines untill i got the dlp chip in tight

Hi, These are some codes to your DLP HDTV.

Error Code Probable Cause
12 No error detected
22 Recovery from momentary Reset
32 Lamp Cover open
33 Air Filter Cover open
34 Lamp abnormality
35 Chassis Fan failure
36 Exhaust (Back Cover) or Lamp Ballast Fan failure
37 Engine (DMD or Lamp) Fan failure
38 Excess Lamp Temperature
39 Excess DMD Temperature
41 Short Detected
44 DVI Cable (between Chassis and Engine) disc

I would try replacing the entire ballast. Make sure that the lamp switch is good too. 3 blinks usually indicates an open lamp door.

Did you replace the lamp door? A flashing red light is an indication of a door open or an impropely seated lamp. Try removing the lamp and reseating it. Reinstall the door and try turning it on again. Also, you may want to unplug the TV from the power source, count to about 20 and then plug it back up again. This may reset the TV.
Good luck