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3 Press "Enter" on the remote, then "Reset." Press "OK" to complete the process, and "MENU" to exit the menu.
Service Level Reset
1 Turn off the DLP with the remote.
a pre-determined button sequence on the remote control to access the
factory reset option. These sequences are found in the owner's manuals
of the various DLP televisions, or in the "Support" sections of the
manufacturers' websites. Scroll to the "RESET" option on the menu to
reset the bulb timer.
a factory-determined combination of buttons on the remote and front
panel of the individual DLP display to reset the bulb timer without
entering a menu.
It does not sound like resetting the lamp timer is what is keeping the projector from throwing an image. Try walking through the steps of the installation backwards to remove the bulb completely. Then reinstall the bulb again from scratch making sure everything is seated properly. If it powers up again just remember to set the clock back on the bulb.
Many projectors use a lamp hour timer for predicting bulb life so they can give you fair warning of impending failure. Since a bulb may be removed and reinstalled because it is still working or another used lamp installed, the timer is not automatically reset to zero when the lamp is replaced. I surmise your set is complaining because the timer was not reset or the time verified when you changed the bulb.
To fix the problem, buy or borrow a remote control; a universal remote control with a menu button may work. (If you borrow a universal remote from a friend, be sure to record the code for your friend's TV first so you can set it back before returning it.)
You could probably get back into the timer reset menu by removing the new lamp and reinstalling it. Caution: follow the directions on page 68 of the user's manual or the sheet that came with the bulb - let the set cool for an hour first, unplug, and wear gloves when handling the bulb since skin oil can cause discoloration and possibly an explosion when the bulb gets hot. You can download the user's manual from Panasonic's support page for this set.
If you can edit the timer hours instead of just resetting, you may want to set it for the number of hours the new bulb has been used.
It is likely that you can get into the lamp timer menu if the set is in service mode, but the user's manual doesn't tell how to get there (I don't have that info either - it's in the service manual, which may be available online from a third party for a price). Usually it is something like holding a volume or channel button on the front of the TV while turning it on with the remote control. After that you need the code to switch to the timer menu. If you have problems getting into the timer menu, ask your dealer's service department or try calling the Panasonic help line listed on the bottom of page 68: 1-888-VIEW PTV(843-9788).
In order to reset the bulb counter you need to access the Service Menu: To access the Service Menu: Turn on and warm up press the following sequence: Up Up Left Give it a few goes, it took me 5 minutes to enter with the right timing. The Service Menu will appear, highlight factory reset and the counter goes to 0. Job done. Cheers, Matt.
So far I have entered the service menu (both menus together) then selected Lamp Replace (option 14) and then pres ok to reset. Version and Lamp (option 11) now reads Lamp life (Khr) = 8 and Lamp use (Hr) = 0.