This is a defect that Sony has "kind of" recognized with an extended warranty, till 2010. I consider it a fire hazard and feel strongly that Sony is underestimating it. They are also NOT fully supporting the warranty and seek to charge me for repairing the problem, at the minimum an "installation fee" for the new bulb. BS. I am writing to the CPSC and Consumers, and taking them to court. Good luck!
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1. Turn off the main power switch and unplug the power cord. Wait at least 30 minutes to allow the lamp to cool down before replacing it. 2. Remove the front cover from the TV set. This is held by a snap on. Pull the front cover outwards until the quick snap on disengages. 3. Remove the screw securing the lamp cover with a Phillips head screw driver. Remove the lamp cover. 4. Remove the two screws that hold the lamp in place. Remove the lamp unit by holding the lamp handle, then pulling outwards. Exercise caution when removing the lamp unit to avoid injury to your fingers. 5. Replace with the new lamp. Place the removed lamp into the empty box of the replacement lamp. Do not touch the front glass of the new lamp or its receptacle. This may shorten the life of the lamp and reduce the picture quality. • Push the lamp unit back to its original position. • Tighten the screws firmly on the lamp unit. If they are loose, the TV may not operate correctly. 6. Without installing the lamp cover, the power will be off and the Lamp Indicator will flash. Be sure to install the lamp cover by re-engaging the two clips and tighten the screws before turning the power on, otherwise it may cause unusual colors. 7. Install the front cover. Put the front cover back in and align the snap on quick connect then push inwards holding the left and right side of the front cover until you hear a snap. Push the other snap on gently to make a good fit. 8. Plug power cord into AC outlet and turn on the main power switch. NOTE: The lamp in this product contains Mercury. Dispose of properly in accordance with applicable environmental laws. For Recycling and Disposal information, contact your respective governmental agencies or the Electronic Industries Alliance at www.eiae.org (in the U.S.) or Electronic Product Stewardship Canada at www.epsc.ca (in Canada).
Disconnect the power cable from your projector. Allow it to cool for 30 to 60 minutes. Lay the projector upside down on a table.
Remove the lamp
cover, typically located on one of the rear corners of the projector's
underside. Depending on your projector, you will either have to loosen a
few Phillips screws or press on one or two plastic release tabs to
remove the lamp cover.
Loosen the screws holding the lamp assembly in place. Grab the assembly by the handle and slide it out of the projector.
Slide a new lamp assembly into the projector. Don't touch
the glass on the bulb because it will damage the bulb. Tighten the
retaining screws on the lamp assembly and replace the lamp cover.
Turn the projector right side up and reconnect the power cable. Power on your projector.
Unplug the TV from the outlet. Let it cool for 30 to 60 minutes.
Remove the lamp cover. On most rear projection TVs, the lamp
cover is located on the right or left side of the TV's rear panel.
Remove the cover by loosening the screws and pulling the cover away from
the TV. Certain manufacturers, like Mitsubishi, have the lamp cover in
the front of the TV, near the left speaker. To get to the cover, you
must first use your fingers to pry off the front panel below the screen,
revealing the speakers and lamp cover. Loosen the screws on the cover
and pull it away from the TV.
Remove the lamp assembly. Loosen its screws, grab the handle and slide it out of the TV. If you have a newer Sony model, there are no screws. Instead, press the release tab to unlock the lamp assembly and slide it out of the TV.
Slide a new lamp assembly into the TV. Don't touch the glass
on the assembly, as the oils in your fingers will damage the bulb.
Tighten the screws or pop the retaining tab into place.
Replace the lamp cover and front panel, if necessary. Plug your TV back into the electrical outlet and power it on.
Tips & Warnings
Touching the lamp assembly before it has cooled can cause a nasty burn.
How to change lamp on PT52LCX15K
Turn TV off and wait for the red light to stop blinking,then unplug it from the wall.
IMPORTANT: Wait for a least a hour after turning off your TVfor the lamp to cool off. It is veryhot
On a Panasonic PT52LCX15K the lamp is located under thefront panel that covers the speakers.
Remove the front panel. Just grab it on both side and pull gently.
TO THE RIGHT OF THE LEFT SPEAKER you will see a round locking knob on the lamp cover. Turn the knob to the left and remove the cover.
Inside you will see a case with a handle on it. Pull it out and you will see the lamp assembly
Remove the two screws holding the lamp assemble and remove. Use the handle.
Putting it back in just do everything in reverse.
You will have to reset the lamp meter yourself.To reset the lamp hour meter:
Hold down the volume button on the TV and at the same timepress and hold the PIP (picture in picture) button on the remote.
Watch the screen and you will see when it is complete. It only takes a few seconds.
Lamp code XL-2400 is Sony part number F93087500 and it is available on http://www.partstore.com/. You may also decide to purchase the less expensive Philips Lighting lamp part number F93087500RL. Either will work for your television set.
Open the back case (about 10 screws) and clean the lamp cooling fan. This is NOT the one you can see from the outside. It is located in a horizontal position above the lamp area from the rear. A DRY toothbrush can be used to brush out the dust. Keep a vacuum nozzle next to it while cleaning so the dust does not go inside. Some say to use compressed air to blow out the dust, but vacuuming it keeps better control and can prevent unwanted dust from moving down into the optics.
I learned this the hard way when replacement lamp burnt out in one week. I thought the cooling fan that you can see from the outside (it actually is the exhaust fan) was the only fan. The lamp cooling fan sucks in cool air and puts it right down onto the lamp.
Test the fans by turning on unit without lamp installed (the fans will power on for a short period of time and you can see them function to verify airflow). Clean this fan once a year as the dust will be back.
The Blue dots or discolouration you are seeing is due too the Blue LCD screen having cracked from excessive heat. This normally happens when you have a power failure while the Television was on. This obviously because the Blue LCD sits next to the lamp - the main cause of heat. The correct part number on the 60" is A-1086-952-A. It is very, very ,expensive.
Sorry to have been the bearer of bad news. Good luck : )