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It's important to reset the Lamp timer after replacing the lamp since the Lamp timer will trigger the warning message. This can be done in Standby mode by pressing the following sequence within 5 sec. RESET, Left Arrow Key, right Arrow Key, ENTER. This is also explained in the operation manual of the Lamp.
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you did not mention what make and model it is. but normally you reset it in the menu of the projector. turn it on. press menu button on the projector and look for the option to reset lamp hour counter
When you use a projector it automatically keeps a timer of how long the lamp has been used for. The message that comes up on screen saying "please replace the lamp" comes up not because it's some how sensing that the lamp is getting old, but because the lamp hours gets to a certain number (usually up around 1500 hours). Because of this when you replace the lamp you need to reset the lamp hours counter, or the projector doesn't even know you've changed it. Every projector does it this way, and they all do it a different way, I googled the model you gave us and found this set of instructions on how to do it, so give it a go.
Reset the lamp counter hours of operation for the projector SONY VPL-CX61 Using the remote commander while the unit is powered up, press "ENTER", "ENTER", "LEFT" and "ENTER" in sequence. A prompt will appear on the screen asking if you wish to enter the factory mode. Press the "UP" key on the remote and the unit is now in service mode. This sequence will add two new groups to the customer setup menu. Press the "MENU" button to view. Whenever the lamp is replaced, the lamp timer should be reset. With the unit in the "factory" mode, press "RESET", "LEFT", "RIGHT" and "ENTER" on the remote commander. Verify the lamp hours have been reset to zero in the service menu.
1. Turn off the projector and unplug the power cord.
2. Press and hold down the three buttons at a time (ON/STANDBY) (MENU) and (INPUT) and plug in power cord.
3.The lamp hours counter will automatically turn to zero
4. Now you press POWER BUTTON and after warm up you check lamp operation counter in the STATUS display it should be "0"
Check in your instruction Manual about pressing a button sequence while starting up. Some projectors do not actually know when you have changed the lamp, so you have to reset the lamp timer by pressing a button sequence. Often a genuine replacement lamp will have an instruction set which comes with the new lamp ( If you still have it !! :) You may have replaced the lamp but not reset the counter and it has shutdown because the counter has reached a critical umber of hours.
I would replace the Lamp. Too many times I have seen people reset the Lamp Timer and when the Lamp explodes, it also causes the Ballast to fail. At that point it may not be repairable due to parts not being available or the cost of them being through the roof.
Contact Sharps Customer Service and see if they could hook you up with a Lamp and the Lamp Timer Reset info.
That is my recommendation.
Skyassoc
Most DLP tv's have an internal lamp hours counter. Once the preset number of hours has been reached, an indicator will start flashing letting you know it is time to change the lamp. Now, if your tv is working fine, reference your owners manual and reset the lamp timer to turn off this indicator. You will probably be replacing your lamp soon, but wait until it goes bad. Hope this helps
1-press the exit button on the projector for 3 second to display the total used lamp time.2-press menu button on the projector during the lamp hour message- an adjustement message will be appear press right or left arrow to reset timer to zero.if success osd change to(lamp hour reset ok!)
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