Read Panasonic PT-LW375 / PT-LW335 / PT-LB425 / PT-LB385 / PT-LB355 / PT-LB305 (serv.man3) Service Manual online
INF-6
SECTION 1 SERVICE INFORMATION
<LW375/LW335/LB425/LB385/LB355/LB305>
The displayed time
in [Lamp counter]
On-screen display
<WARNING> indicator
Over 19 700 hours
less than 20 000
hours
f
The lamp replacement icon
is displayed for 10 seconds. If
you press any button within 10 seconds, the icon disappears.
f
The lamp replacement icon
will display for 4 seconds on
the screen after switching the input source or turning on the
projector.
--
Over 20 000 hours
less than 22 000
hours
f
The lamp replacement warning icon
is
displayed for 10 seconds. If you press any button within 10
seconds, the icon disappears.
f
The lamp replacement warning icon
will
display for 4 seconds on the screen after switching the input
source or turning on the projector.
Lighting in red. (The indicator will not
light in the standby mode)
Over 22 000 hours
f
The lamp replacement warning icon
is
displayed for 10 seconds. If you press any button within 10
seconds, the icon disappears.
f
The lamp replacement warning icon
will
display for 4 seconds on the screen after switching the input
source or turning on the projector.
f
The lamp automatically turns off at approximately 10
minutes after turning on the power.
Blinking in red. (The indicator will not
light in the standby mode)
Note
f
The lamp replacement icon or lamp replacement warning icon will not be displayed when during "Freeze" or "AV mute".
f
The usage period of 20 000 hours which is displayed in [Lamp counter] is a rough estimate and is not guaranteed.
Replacing the Lamp unit
Attention
Attention
f
When the projector is mounted on a ceiling, do not work with your face close to the projector.
f
Do not remove or loosen the screws other than specified ones when replacing the lamp unit.
f
Make sure to attach the lamp unit and the lamp cover securely.
1) Turn off the power by the procedure in “Powering Off the Projector” operating instructions.
Remove the AC power plug from the wall outlet.
f
Wait at least one hour and make sure the lamp unit and surroundings are cool.
2) Use a Phillips screwdriver to loosen the lamp cover fixing screw (×1) until it turns freely and remove the lamp
cover.
f
Remove the lamp cover by pulling it slowly toward the direction of the arrow as the above figure shown.
3) Use a Phillips screwdriver to loosen the three lamp unit fixing screws (×3) until they turn freely.
4) Hold the used lamp unit by its handles, and pull it gently from the projector.
5) Insert the new lamp unit in correct direction. Tighten the three lamp unit fixing screws (×3) securely with a
4) Hold the used lamp unit by its handles, and pull it gently from the projector.
5) Insert the new lamp unit in correct direction. Tighten the three lamp unit fixing screws (×3) securely with a
Phillips screwdriver.
f
When you experience difficulty in installing the lamp unit, remove it and try again. If you use force to install the lamp
unit, the connector may be damaged.
6) Attach the lamp cover. Tighten the lamp cover fixing screw (×1) securely with a Phillips screwdriver.
f
Perform step
2) in reverse direction to attach the lamp cover.
Lamp cover
Lamp cover
fixing screw
Handles
Lamp unit fixing
screws
Click on the first or last page to see other PT-LW375 / PT-LW335 / PT-LB425 / PT-LB385 / PT-LB355 / PT-LB305 (serv.man3) service manuals if exist.