Panasonic Projector Pt L780ntu Specifications

61
Others
Remedy
ProblemIndicator
display
Flashing (red)
It is nearly time to
replace the lamp
unit. Illuminated (red)
An abnormality has been detected in the lamp
circuit.
B
Does  “REPLACE
LAMP ” appear on
the screen after
the projector is
turned on?
B This occurs when
the operation time
for the lamp unit is
nearing 1 300
hours. (when
LAMP POWER
has been set to
“HIGH ”) Ask your
dealer or an
Authorised
Service Center to
replace the lamp
unit.
Possible cause
B The power may
have been turned
on straight...

62
About the automatic setup function
If you press the AUTO SETUP button, the items given in the table below w\
ill
be set automatically. The setting details change according to the signal\
which is being input. Refer to the table below for details.
VIDEO/S-VIDEO/
NETWORK/SD CARD
YPBPR
Dot Clock
frequency
is 140 MHz or higher
Signal other than above Horizontal/
vertical
position Dot clock/
clock phase Automatic
vertical
keystone
correction
Yes
Yes
DVI Yes
Yes
Yes
Yes No
NOTE:
B
If the edges of the...

63
Others
List of compatible signals
*1 The “i”  appearing after the resolution indicates an interlaced signal.
*2 The following symbols are used to indicate picture quality. AA Maximum picture quality can be obtained.
A Signals are converted by the image processing circuit before picture is projected
B Some loss of data occurs to make projection easier.
*3 Signals with  “OK ” in the Resizing column can be set using the RESIZING
command in the PICTURE menu. (Refer to page  44.)
*4  Signals that are...

64
Cleaning and replacing the air filter
If the air filter becomes clogged with dust, the internal temperature of\
 the
projector will rise, the TEMP indicator will flash and the projector pow\
er will
turn off. The air filter should be cleaned every 100 hours of use,
depending on the location where the projector is being used.
Cleaning procedure
# Turn off the MAIN POWER
switch and disconnect the
power cord plug from the
mains socket.
Turn off the MAIN POWER switch
according to the procedure given
in...

65
Others
Replacing the lamp unit
Warning
When replacing the lamp, allow it
to cool for at least one hour
before handling it.
BThe lamp cover gets very hot,
and contact with it can cause
burns.
Notes on replacing the
lamp unit
BThe light generating lamp is
made of glass, so dropping it or
allowing it to hit hard objects may
cause it to burst. Be careful when
handling the lamp.
BAfter having removed the old
lamp, carelessly discarding it can
cause the lamp to burst. Dispose
of the lamp with the same care...

66
Lamp unit replacement procedure
NOTE:
BIf the lamp usage time has passed 1 500 hours (when LAMP POWER has
been set to  “HIGH ”), the projector will switch to standby mode after
approximately 10 minutes of operation. The steps  \bto 
.on the next
page should thus be completed within 10 minutes.
# Turn off the MAIN POWER
switch according to the
procedure given in “Turning off
the power” on page  31, and
then disconnect the power
cord plug from the mains
socket and check that the area
around the lamp...

67
Others
+Press the ENTER button and
select the  “LAMP RUN TIME ” by
pressing the ForG buttons.
\f Press and hold the ENTER
button for approximately 3
seconds.
The  “Lamp Time Reset ” will be
displayed.
-Select  “OK ” by pressing the 
I
I
or  H
H
buttons and press the
ENTER button.
NOTE:
B If “CANCEL ” is selected in step
-, the operation for resetting the
lamp time will be cancelled.
.Turn off the power.
This will reset the cumulative
usage time for the lamp unit to
zero.
Refer to steps  %and  &on...

68
Before calling for service
Before calling for service, check the following points.Problem Possible cause
Power does not turn
on.
No picture appears.
The picture is fuzzy.
COLOR is too light or
TINT is poor.
No sound can be
heard. B
The power cord may not be connected.
B The MAIN POWER switch is turned off.
B The main power supply is not being supplied to the wall
outlet.
B TEMP indicator is illuminated or flashing. (Refer to page
60.)
B LAMP indicator is illuminated or flashing. (Refer to page
61.)
B...

69
Others
The remote control
unit does not operate.
The buttons on the
projector do not
function.
The picture does not
display correctly.
Picture from
computer does not
appear.
Problem Possible cause
BThe batteries may be weak.
B The batteries may not be inserted correctly. (Refer to
page  22.)
B  The remote control signal receptor on the projector may
be obstructed. (Refer to page  22.)
B The remote control unit may be out of the operation
range. (Refer to page  22.)
B Press and hold the Power button on...

70
Specifications
Power supply: 100 V–240 V ~, 50 Hz/60 Hz
Power consumption: 380 W (During standby (when fan is stopped): Approx. 3.5 W)
[When the WEB STANDBY is set to “ON ”:
Approx. 43 W (page  47)]
Amps: 3.5 A –1.5 A
LCD panel: Panel size (diagonal): 1.0 type (22.86 mm)
Aspect ratio: 4:3 (16:9 compatible)
Display method: 3 transparent LCD panels (RGB)
Drive method: Active matrix method
Pixels: 786 432 (1 024 x 768) x 3 panels
Lens: Manual zoom (1 - 1.3) / focus lens  F 1.7 - 2.1, f 40.7 mm - 52.8 mm...