Using the remote control for your projector, turn the unit on, then select 'menu' on the remote. On the menu that pops up in the screen, select 'SERVICE', then 'DISPLAY DEVICE', then 'INSTALLATION'... once you select that, scroll over to the "RESET" under the lamp hours... this should reset it.
Here is a link to the owners manual for your unit.
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Turn on the television after replacing your television's projection lamp with a new unit. If a dialog box displays on the screen asking you to reset the lamp timer, use your remote control's "Arrow" buttons, highlight "Yes" and press "Enter." If the dialog box does not appear on your screen after turning your television on, proceed to the next steps.
Turn on the television, then press the "Menu" button on your control. Navigate to the "Setup" menu, press "Enter" and choose "Low Power" from the menu options displayed on the screen. Press the "Exit" button on your remote control and turn off the television.
Repeat the first step to reset your television's lamp timer. If your television screen is unable to produce a picture after replacing the projection lamp, press the "<", ">" and "Power" buttons on your remote control at the same time to reset the lamp timer.
If you have replaced the lamp in your Panasonic DLP TV and are having problems such as a message on the screen telling you to reset the lamp timer or the unit not powering up, you probably need to reset the lamp counter. All DLP and LCD TVs which have high intensity lamps generally need to have a lamp timer circuit reset after a lamp change. The manufacturers want to give you a heads up prior to having a catastrophic event such as a lamp exploding which could cause a fire as well as other damage.
Therefore in many cases until you reset the lamp timer the unit will not operate or it will keep reminding you to reset the lamp timer which is very obnoxious. This is not a hard procedure but you will need the original factory remote to accomplish the task. Generally the procedure involves pushing a sequence of buttons.
I recommend placing a piece of masking tape on the rear of the TV with the date the lamp was changed to make it easy to remember when the next lamp change will be necessary. Also you could purchase a lamp now to avoid paying more in the future.
The following procedure should solve your problem:
1. Turn on the television. 2. Press the down button on the TV display (not the remote) 3. While pressing the volume button, press the "split" or "PIP" button on the remote.
This should reset your lamp timer.
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When you replace the lamp on a Panasonic DLP or LCD TV you will need to reset the lamp timer to zero for the TV to reset the lamp timer and extinguish the change lamp indicator.
There are two methods used depending on which model TV you have. The older units use the first method and newer units use the second method. You can tell which method you need to use by whether you have a PIP and/or SPLIT button on your remote. If you have them use the first method, if you don't use the second method.
Method number 1 (for older units):
Follow the procedure below. You use either PIP or SPLIT button depending on whether your remote has SPLIT or not. Some do not.
Perform lamp timer reset only when the lamp has been replaced. The idea is to know when to replace the lamp before the end of it's life when it could explode or short out causing a hazadous condition. If you reset the lamp circuit at any other time the replace lamp warning will not come on at the recommended interval.
Be sure the power cord is plugged into a properly grounded wall outlet. Then, press the POWER button on the projection display or the remote control to turn the unit on.
While pressing the VOL- button on the projection display, hold down the PIP or SPLIT button on the remote control at same time for more than 5 seconds.
If your remote does not have a split button you use PIP, if it has a split button, you would use SPLIT.
When reset procedure is complete, the screen on the TV will indicate that the lamp has been reset. When lamp time reset is finished, the LAMP indicator goes out.
Method number 2 (for newer units):
Press volume down on the TV and the zero button on the remote at the same time for longer than 5 seconds and it will reset the lamp to zero.
These procedures should reset your lamp timer and you will be good until the current lamp fails or the change lamp indicator illuminates again signalling that it is time to replace the lamp. Three to six years on average depending on how much you run the unit per day. Do not ignore the indicator. Change the lamp immediately to avoid further damage and expense or worse.
To replace lamp in JVC projection TV follow the steps below. .Order a compatible replacement lamp from JVC. Order a replacement lamp from JVC's Accessory Store or a local authorized parts distributor to ensure that you obtain a compatible replacement lamp. To order a replacement lamp, you must have the lamp type and lamp code of your JVC projection TV, which can be found on the rear of the television. .Turn off the television and allow the bulb to cool. For safety reasons, turn off and unplug your television before accessing any of its internal components. Wait at least 20 minutes before attempting to replace the lamp so that it has time to cool down. If the back of the television is not warm or hot to the touch, it is safe to begin removing the lamp .Unscrew and remove the lamp door. The lamp door on JVC projection TVs is located on the rear left of the television and is shaped like a square. Several warnings related to the lamp will be printed on the door. Use a Phillips-head or flathead screwdriver to remove the large screw, then remove the door .Unscrew and remove the lamp assembly unit. After you have removed the lamp door, you will see the lamp assembly unit. Use a Phillips-head screwdriver to remove the two screws. One screw is on the top right corner of the unit and the second screw is on the bottom left corner of the unit. Detach the lamp assembly unit from the compartment by lifting the handle and pulling the unit away from the television .Install the replacement lamp and secure the lamp door. Hold the replacement lamp assembly unit by the handle and insert it straight into the compartment. Reinsert and tighten the two screws onto the lamp assembly unit with a screwdriver. Place the lamp door back onto the television and tighten the screw to secure it to the television .Reset the television's lamp timer. Press "Menu" on the television's remote, then scroll to and select "Lamp Timer Reset." Press "OK" to rest the timer. A prompt will appear notifying you that the timer has successfully been reset
the lamp units should be properly aligned with the 2 very tiny switches
between them. If not lamp led will blink.
If lamp led is continuously on, lamp timer has to be reset, according instructions that come with new units.
Original lamp modules are AH-45001 and AH-45002, two different
units needen for 1 projector, reset procedure is different for each lamp !!
Hi, To replace lamp in Panasonic PT-50LC13 tv, please follow this... 1- Place your fingertips under the front cover and pull it from the projection display. 2- Loosen the lamp cover screw using a screwdriver. 3- Using a screwdriver, loosen the lamp unit screw. 4- Grasp the lamp unit handle and slowly pull the lamp unit from the projection display. 5- Put new lamp and fix things in reverse order.
Now need to reset lamp timer as follows, While pressing the VOL Down button on the projection display, hold down the PIP or SPLIT button on the remote control simultaneously for more than 5 seconds. When lamp timer will reset, tv sill show "lamp time was reset to 0" message. Hope this info will help you. Thanks.
If the timer has not been reset telling the unit it has a new lamp you will get that message. Call a servicer to find out how to reset the timer if you don't have the owners manual. If the message continues after that you will need to purchace a new lamp. There are problems that accur with some aftermarket lamps.