Panasonic Projector Pt Lb80e Operating Instructions

ENGLISH - 41
Maintenance
LAMP and TEMP Indicators
If a problem should occur with the projector, the LAMP and/or TEMP indicators 
will inform you. Manage the indicated problems as follow.
1. Confirm the status of all indicators and projector, and switch off the 
projector in proper way.
 See “Switching the projector on/off” on page 20.
2. Find out the cause of the problem by status of the LAMP and/or TEMP 
indicators.
3. Follow the instruction for each indication below and solve the problem.
4. Turn on...

ENGLISH - 42
Maintenance
Care and Replacement
JBefore cleaning the projector
 Switch off the projector and disconnect the mains plug from the mains socket.
 Unplug all the cables from the projector.
JCleaning the outer surface of the projector
Wipe off dirt and dust gently with a soft cloth.
 If it is difficult to remove the dirt, soak a cloth with water, wring the cloth well and then wipe the projector. 
Dry off the projector with dry cloth.
 Do not use petroleum benzine, thinner, any alcoholic solvent,...

Care and Replacement
ENGLISH - 43
Maintenance
The lamp unit, ET-LAB80 is consumable and you must replace it regularly. It is recommended that a qualified 
technician carry the lamp unit replacement and consult with an Authorised Service Centre.
JWhen to replace the Lamp unit
When the lamp is consumed, the brightness may decrease over time. 3 000 hours of use is the replacing 
timing as rough guided, and that might be shortened by the usage conditions, characteristics of the lamp unit 
or environmental...

Maintenance
Care and Replacement
ENGLISH - 44
JReplacement procedure
QRemoving and replacing the lamp unit
1. Use a Phillips-head screwdriver to loosen the 2 
lamp unit cover fixing screws on the back of the 
projector until the screws turn freely, and remove 
the lamp unit cover.
2. Use a Phillips-head screwdriver to loosen the 3 
lamp unit fixing screws.3. Pull the used lamp unit gently from the projector.
 Grip the handle and keep the lamp unit paralleled 
when you remove the lamp. Some parts of the...

ENGLISH - 45
Maintenance
Troubleshooting
Should any problem persist, contact your dealer.
ProblemCauseReference 
page
Power does not turn on.
 The mains lead may not be connected securely.
 No electric supply at the mains socket.
 TEMP indicator is lit or flashes.
 LAMP indicator is lit or flashes.
 The lamp unit cover has not been securely installed.
 The circuit breakers have tripped.20
21
41
41
44
-
No picture appears.
 The signal input source may not be connected to a terminal properly.
 The input...

ENGLISH - 46
Appendix
Technical Information
List of compatible signals
Mode
Display 
resolution 
(dots)
*1
*1. The “i” appearing after the resolution indicates an interlaced signal.
Scanning 
frequencyDot clock 
frequency
(MHz)Picture 
quality
*2
*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.Terminals
H...

Technical Information
ENGLISH - 47
Appendix
The serial connector which is on the connector panel of the projector conforms to the RS-232C interface 
specification, so that the projector can be controlled by a personal computer which is connected to this connecter.
JConnection
JPin assignments and signal names
JCommunication settings
JBasic format
 The projector can not receive any command for 10 seconds after the lamp is switched on. Wait 10 seconds 
before sending the command.
 If sending multiple...

Appendix
Technical Information
ENGLISH - 48
JCable specifications
(When connected to a personal computer)
JControl commands
You can switch the signals which to output from the COMPUTER1 OUT terminal by pressing the computer key 
command. The key commands are depend on the manufactures. If you select the computer terminals which has no 
signals while the INPUT GUIDE is set to DETAILED, the computer connection guidance will be displayed. 
CommandControl contentsRemarks
PONPower onIn standby mode, all...

Technical Information
ENGLISH - 49
Appendix
* All measurements above are approximate and may differ slightly from the actual measurements.
JCalculation methods for screen dimensions
You can calculate more detailed screen dimension from the screen diagonal.
 Screen width (SW) and screen height (SH)
SW (m) = SD () x 0.0221 SH (m) = SD () x 0.0125
 Minimum distance (LW) and maximum distance (LT)
PT-LB80NTE: LW (m) = 0.0321 x SD () - 0.04 LT (m) = 0.0388 x SD () - 0.06
PT-LB75NTE: LW (m) = 0.0318 x SD () -...

Appendix
Technical Information
ENGLISH - 50
Specifications
Power supplyAC 100 - 240 V 50 Hz/60 Hz
Power consumption300 W
During standby (when fan is stopped): 4 W
Amps
3.5 A - 1.2 A
LCD panel
Panel size (diagonal)0.63 type (16.00 mm)
Aspect ratio4 : 3
Display method3 transparent LCD panels (RGB)
Drive methodActive matrix method
Pixels786 432 (1 024 x 768) x 3 panels
Lens Manual zoom (1.2x)/Manual focus
F 1.6 - 1.9, f 18.8 mm - 22.6 mm (PT-LB80NTE /PT-LB80E)
F 1.7 - 1.9, f 18.5 mm - 22.2 mm (PT-LB75NTE /...