Panasonic LCD Projector PT-LB60NTU PT-LB60U Operating Instructions

ENGLISH-61
Lamp unit replacement procedure
#Disconnect the power cord
from the projector by following
the procedure on page 28, and
check that the area around the
lamp unit has cooled down.
$ Use a Phillips screwdriver to
turn the lamp unit cover fixing
screws at the bottom of the
projector, and then remove the
lamp unit cover. %
Use a Phillips screwdriver to
loosen the two lamp unit fixing
screws until the screws turn
freely. Then hold the handles of
the lamp unit and gently pull the
lamp unit out from...

62-ENGLISH
'Install the lamp unit cover, and
then use a Phillips screwdriver
to securely tighten the lamp
unit cover fixing screws.
( Connect the power cord.
) Press the POWER button so
that a picture is projected onto
the screen.
*Press the MENU button to display the menu screen, and
then press the  For G button
to select the “OPTION” menu.+ Press the ENTER button, and
then press the  For G button
to select “LAMP RUNTIME”.
, Press and hold the ENTER
button for approximately 3
seconds.
The “LAMP...

ENGLISH-63
Before calling for service
Before calling for service, check the following points.Problem Possible cause
Page
Power does not
turn on.
No picture
appears.
The picture is
fuzzy.
The color is
pale or grayish.
No sound can
be heard.
The remote
control unit
does not
operate.
The buttons on
the projector do
not function.
BThe power cord may not be connected.
B The main power supply is not being supplied to the
wall outlet.
B TEMP indicator is illuminated or flashing. 
B LAMP indicator is...

64-ENGLISH
The picture does
not display
correctly.
Picture from
computer does
not appear.Problem Possible cause
B
The signal format (“TV-SYSTEM”) may not be set
correctly.
B There may be a problem with the video tape or
other signal source.
B A signal which is not compatible with the projector
may be being input.
B The cable may be too long.
B The external video output for the laptop computer
may not be set correctly.
(The actual method varies depending on the type
of computer, so refer to the...

ENGLISH-65
Others
Specifications
Power supply: 100 V - 240 V ~, 50 Hz/60 Hz
Power consumption: 300 W [During standby (when fan isstopped): Approx. 3 W]
Amps: 3.5 A - 1.8 A
LCD panel: Panel size (diagonal): 0.8 type (20.32 mm)
Aspect ratio: 4:3
Micro lens array: Available
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 (1.2x) / Manual focus F 1.7 - 1.8  f 24.0 mm - 28.8 mm
Lamp: UHM lamp (220 W)
Luminosity: 3 200...

66-ENGLISH
VIDEO IN:Single-line, RCA pin jack, 1.0 V [p-p], 75  Ω
S-VIDEO IN: Single-line, Mini DIN 4-pin Y 1.0 V [p-p], C 0.286 V [p-p], 75  Ω
AUDIO IN (for S-VIDEO/VIDEO):
Single-line, 0.5 V [rms] RCA pin jack x 2 (L-R)
PC AUDIO IN:Dual-line, 0.5 V [rms] M3 jack (Stereo MINI)
VARIABLE  AUDIO OUT:Single-line, 0.5 V [rms] M3 jack (Stereo MINI)
(Monitor output/stereo compatible)
0 V [rms] - 2.0 V [rms] (variable)
SERIAL: DIN 8-pin RS-232C compatible
Cabinet: Moulded plastic (PC/ABS)
Dimensions:
Width:...

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Others
Projection dimensions calculation methods
If the screen size (diagonal) is SD (m), then the following formula \
is used to
calculate the projection distance for the wide lens position (LW) and \
the
projection distance for the telephoto lens position (LT).
Appendix

SD
4:3
LW/LT

NOTE:
B If 4:3 images are projected onto a 16:9 screen that
has been set using the projection distance for a
16:9 screen, the 4:3 images will overflow the
screen at the top and bottom. In such cases, set...

68-ENGLISH
*1 The “i” appearing after the resolution indicates an interlaced sig\
nal.
*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” are compatible with the “RESIZING” functio\
n. (page 47)
*4 Signals that are compatible with the “FRAME LOCK” function. (page\
 47)
*5 Signals that are...

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Others
Guide screen for computer connection
Refer to the list below for details on the keyboard commands to change t\
he
output setting.
ManufacturerKeyboard
command Manufacturer Keyboard
command
Panasonic
NEC
TOSHIBA
SHARP
HP
FUJITSU EPSON
DELL
IBM
SONY
Apple
Other
+
+
+
+
+
+
Fn
F3

Fn
F5

Fn
F10

Fn
F8

Fn
F7

Fn

F7

NOTE:
B
The actual method varies depending on the type of computer, so refer
to the documentation provided with your computer for further details. 

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Using the SERIAL connector
The serial connector which is on the connector panel of the projector
conforms to the RS-232C interface specification, so that the projector c\
an be
controlled by a personal computer which is connected to this connector.
Connection
Pin assignments and signal
namesBasic format
The data sent from the computer to
the projector is transmitted in the
format shown below.
Pin
No.
Communications settings
Signal name Contents

12
68
53

%
RXD Received data
& GND Earth
'...