Remove lamp housing unit from 50" dlp model HL-P5063W
I have viewed how to replace Lamp within the housing unit which looks fairly easy. However, when removing the back cover and viewing the housing unit, I can not see how to remove it and there are a few delicate wires in front which concern me. I did remove the visible screws and the unit did not budge. How can the unit be removed?
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remove and inspect the lamp the model indicated uses---you can usually also look from the rear to see if lamp comes on at all---set also prone to bad color wheel--grinding or high pitched fan like sound--it faces the lamp--with lamp removed look to see it is not shattered or missing pieces and that lamp not shattered inside. typical color wheel
Listen closely. The tv should make a high pitch whine as it turns on. If it does wait and see if it tries this a few times. If yes then check the bulb, I have seen cases where the lamp shoves the power connector back into the set. If the tv starts with a grown or heavy vibration noise, then your color wheel may have broken and needs replaced.
Remove the rear cover and check the lamp cover switch. Earlier versions used a black plastic switch holder that may break due to improper assembly. The part number for the holder is BP61-01240A. Newer versions use a metal tab attached to the engine. In this case, improper assembly may cause the lamp cover switch to be extended past its range, either breaking the switch or causing it to have an open contact. Replace the switch with BP91-01231A.
Note that in these models, when reinstalling the rear cover, it is best to remove the lamp cover first, install the rear cover, then install the lamp cover. This will make sure that the lamp switch is properly engaged.
There are instructions to replace the lamp in the user's manual. The light comes up but if the lamp has now already several hours of use the resistance of the lamp increases and shut down the power supply of the lamp. Second, the lamp power supply could be bad too, but lets be optimistic and just replace the lamp first.
Try replacing the ballast next. Its the small circuit board directly underneath the lamp housing. You can access it through the lamp door. If the ballast is overheating or has a leaking capacitor, the tv won't stay lit for more than a minute or two.