Panasonic PT-LB20U, PT-LB20VU, PT-LB20SU manual Before calling for service

Page 58

Before calling for service

Before calling for service, check the following points.

Problem

Possible cause

Page

Power does not

BThe power cord may not be connected.

–

turn on.

BThe main power supply is not being supplied to the

–

 

wall outlet.

52

 

BTEMP indicator is illuminated or flashing.

 

BLAMP indicator is illuminated or flashing.

53

 

BThe lamp unit cover has not been securely

–

 

installed.

 

 

 

 

No picture

BThe video signal input source may not be

–

appears.

connected properly.

 

 

BThe input selection setting may not be correct.

25

 

BThe “BRIGHT” adjustment setting may be at the

38

 

minimum possible setting.

 

 

BThe “SHUTTER” function may be in use.

29

The picture is

BThe lens cover may still be attached to the lens.

–

fuzzy.

BThe lens focus may not have been set correctly.

25

 

BThe projector may not be at the correct distance

19,

 

from the screen.

20

 

BThe lens may be dirty.

–

 

BThe projector may be tilted too much.

18

 

 

 

The color is pale

B“COLOR” or “TINT” adjustment may be incorrect.

38

or grayish.

BThe input source which is connected to the

–

 

projector may not be adjusted correctly.

 

 

 

 

No sound can

BThe audio signal source may not be connected

–

be heard.

properly.

 

 

BThe volume adjustment may be at the lowest

30,

 

possible setting.

33

 

 

 

The remote

BThe battery may be weak.

–

control unit

BThe battery may not be inserted correctly.

23

does not

BThe remote control signal receptor on the projector

23

operate.

may be obstructed.

 

 

BThe remote control unit may be out of the

23

 

operation range.

 

The buttons on

BThe “CONTROL KEY” may be set to “OFF”.

48

the projector do

In order to set the “CONTROL KEY” to “ON”

 

not function.

without using the remote control unit, keep holding

 

 

down the ENTER button on the projector and press

 

 

the MENU button for more than 2 seconds.

 

 

 

 

58-ENGLISH

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Image 58
Page 57 Page 59
Contents LCD Projector Commercial Use Model No. PT-LB20NTUDear Panasonic Customer Model number PT-LB20NTU / PT-LB20U / PT-LB20VU / PT-LB20SUFCC RF Exposure Warning if provided with wireless device PreparationDeclaration of Conformity PanasonicContents Do not overload the wall outlet Precautions with regard to safetyDo not remove the cover or modify it in any way Do not place the projector into water or let it become wet Do not handle the power cord plug with wet handsInsert the power cord plug securely into the wall outlet Do not place liquid containers on top of the projectorAlways disconnect all cables before moving the projector Do not look into the lens while the projector is being usedDo not cover the air inlet port or the air outlet port Do not place any heavy objects on top of the projectorDo not put your weight on this projector Insulate the battery using tape or similar before disposalUse only the specified batteries Accessories Before use Be sure to attach the lens cover before moving the projectorScreen Order to get the best picture qualityDo not touch the surfaces of the lens with your bare hands LampLens cover Projection lens Remote control signal receptor Leg adjuster buttons L/RLocation and function of each part # Connector panel $ Air outlet port $%$RGB2 IN/1 OUT connector pages 21, 22 # Power input socket ACRGB1 in connector pages 21 Video in connector pages 22$ Lamp indicator Remote control unit# RGB Input indicator MenuVolume +/- buttons Temp indicatorAuto Setup button pages 25 Illumination sensorSetting-up Projection methodsProjector position Projection distancesPT-LB20SU Connecting to computer ConnectionsConnecting to video equipment ET-ADSERPreparation for the remote control unit Insert the battery holder$Press the Power button Turning on the powerTurn on the power of all connected devices Adjusting the size Press the input select button to select the input signalAdjusting the angle Adjusting the focusTurning off the power #Press the Power buttonPower button on the projector Direct power off functionProjector status Press the Auto Setup button Turning off the picture and sound momentarily Shutter Pausing a picture FreezePress the Freeze button Press the Volume +/- button Adjusting the volume VolumeRemote control unit functions during D.ZOOM digital zoom Enlarging the picture D.ZOOMDisplaying two screens Index Window Press the Index Window buttonKeystone On-screen menusMenu screens Keystone correctionPosition menu Index Window function Shutter function Volume adjustmentAdjustments and settings Language menuMenu operation guide Contrast Bright Color Tint Sharpness Color Temp Returning a setting to the factory defaultSTD Select Enter RetrnVertical Correcting keystone distortionVertical keystone distortion correction only OperationAdjusting the picture Picture ModeColor ContrastBright TintDaylightview Mode Auto OFFDaylightview TV-SYSTEM Still ModeSignal Mode TV-SYSTEM Auto NtscPosition Adjusting the positionClock Phase DOT ClockAspect Aspect AutoResizing Frame LockChanging the display language OSD Option settingsAuto Signal Auto SearchRGB/YPBPR Sxga ModeRGB2 Select BlackboardFAN Control Lamp PowerDESK/CEILING Lamp RuntimeControl KEY Power MemoryAuto POW.OFF Input Passwd Setting up the security functionAmend Passwd Text Display Text ChangeName Change DefaultNetwork WEB ControlLamp indicator Temp indicator RemedyLamp indicator Lamp PowerReplacement procedure Cleaning and replacing the air filterCleaning Air filter should be cleaned every 100 hours of useLamp unit replacement period Replacing the lamp unitLamp unit replacement procedure Select Control KEY Auto POW.OFF DisableFRONT/REAR Front DESK/CEILING Press and hold the Enter button for approximately 3 secondsBefore calling for service Cleaning and maintenance Specifications PT-LB20VURemote control unit OptionsAppendix List of compatible signalsPicture Resizing*3 Frequency Quality Mode Display ScanningProjection dimensions calculation methods PT-LB20VUCommunications settings Using the Serial connectorPin assignments and signal names ConnectionCable specifications Control commandsCommand Control Remarks Contents

PT-LB20VU, PT-LB20U, PT-LB20SU specifications

The Panasonic PT-LB20SU, PT-LB20U, and PT-LB20VU are three exceptional projectors designed to deliver outstanding performance in various environments, including educational settings, business meetings, and home theater applications. These projectors are compact, lightweight, and packed with features, making them ideal for mobile presentations or fixed installations.

One of the standout features of the PT-LB20 series is its impressive brightness level, reaching up to 2000 lumens. This high brightness ensures clear and vivid images, even in well-lit rooms. The projectors support XGA resolution (1024 x 768 pixels), providing sharp visuals that enhance text readability and image detail.

The usability of the PT-LB20 projectors is complemented by Panasonic's advanced Daytime Mode, which optimizes image quality for brighter rooms. This feature is particularly beneficial for classrooms and conference rooms with significant ambient light, allowing for a comfortable viewing experience without straining the eyes.

In terms of connectivity, the PT-LB20 series comes equipped with multiple input options, including HDMI, VGA, and composite video ports, making it versatile enough to connect to various devices like laptops, Blu-ray players, and digital cameras. This variety alleviates compatibility issues and enhances user convenience.

The projectors are powered by a 230W UHM lamp that offers a long lamp life of approximately 5,000 hours in standard mode and up to 6,000 hours in eco mode, reducing maintenance costs and the frequency of replacements. The eco mode also helps reduce energy consumption, making these projectors more environmentally friendly.

The PT-LB20U stands out with its optional wireless module, facilitating easy connectivity without messy cables, which is ideal for dynamic presentations. Additionally, the PT-LB20SU and PT-LB20VU models feature built-in speakers that deliver decent audio quality, eliminating the need for external sound systems in smaller setups.

These models are designed with portability in mind, weighing only around 2.5 kilograms, making them easy to transport between locations. Their compact design also allows for easy setups, whether in classrooms, conference rooms, or even outdoor settings.

With their robust build quality and advanced features, the Panasonic PT-LB20SU, PT-LB20U, and PT-LB20VU projectors represent a reliable choice for users seeking performance, versatility, and ease of use. These projectors embody Panasonic's commitment to delivering innovative display solutions that cater to a wide variety of professional and educational needs.
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