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Replacing the lamp unit
Important Points to keep in mind
POWER INDICATOR R-STANDBY G-POWER ON POWER SWITCH
POWER
R-STANDBY G-POWER ON
LAMP TEMP
Replacing the lamp unit
When replacing the lamp unit with a new one, pay attention to the following points. LAMP TEMP Warning: Because the temperature of the lamp unit is elevated immediately after its use, a direct touch to it may cause burns. Please allow the lamp to cool before handling or replacing the lamp unit.
Cautions for Lamp Unit Replacement:
Lamp unit Speaker grille Handle the removed old lamp unit carefully. If abusing it, it may have a risk of explosion. Wear gloves when replacing the lamp unit. If replacing the lamp unit becomes necessary during the operation of the projection TV, follow the procedure below to turn off the power and wait until the lamp unit cools completely. 1. Press the POWER button on the remote control unit. 2. Wait for about 90 seconds until the cooling fan stops. * The lamp cooling fan will continue to operate for about 90 seconds after turning off the power. Do not unplug the power cord from the outlet until the fan has stopped. Avoid interrupting the power line such as by using circuit breakers or switchable power strips. 3. After the cooling fan has stopped, turn off the MAIN POWER switch on the front of the projection TV. 4. Unplug the power cord from the outlet.
Lamp unit replacement period
The lamp unit for the projection TV should be replaced after approximately 5,000 hours of use in the normal usage mode.
171
� Warning display after 5,000 hours of use
When the power has been turned off after over 5000 hours of continued use, LAMP REPLACE will be displayed for approximately 1 min. The next time the power is turned on. A warning message to urge the replacement of the lamp will be displayed in red at the center of the screen.
LAMP REPLACE
Resetting the counter
After replacing lamp, please make sure to undergo below procedure in order to reset the lamp lifetime counter.
CH
VOL
ACTION
VOL
Press down both VOLUME DOWN button on the unit and ACTION button on the Remote Control at the same time for more than 1 second.
VOLUME
CH
POWER
R-STAND BY G-POWER ON
LAMP TEMP
When successful, the 3 LED on the set�s front panel (Power / Lamp / Temperature) will flash for 5 seconds.
PT-52DL10
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