Acoustic Energy LT25, LT30, LT35 manual Troubleshooting Check List, Power, Video and Audio, Other

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7. Appendix

￿Troubleshooting Check List

Before contacting your dealer or service personnel, check the following list to be sure repairs are needed also by referring to the “Troubleshooting” section in your user’s manual. This checklist below will help us solve your problem more efficiently.

* Print the following pages.

Frequency of occurrence always sometimes (How often?_____________________) other (__________________)

Power

No power (POWER indicator does not light green) See also “Sta- tus Indicator (STATUS)”.

Power cable's plug is fully inserted into the wall outlet.

The power cable has been unplugged and plugged quickly dur- ing projection.

Lamp cover is installed correctly .

Lamp Hour Used (lamp operation hours) was cleared after lamp replacement.

No power even though you press and hold the POWER button for a minimum of 1 second.

Shut down during operation.

Power cable's plug is fully inserted into the wall outlet.

Lamp cover is installed correctly .

Power Management is turned off (only models with the Power Management function).

Off Timer is turned off (only models with the Off Timer func- tion ).

Video and Audio

No image is displayed from your PC or video equipment to the projector.

Still no image even though you connect the projector to the PC first, then start the PC.

Enabling your notebook PC’s signal output to the projector.

A combination of function keys will enable/disable the ex- ternal display. Usually, the combination of the “Fn” key along with one of the 12 function keys turns the external display on or off.

No image (blue background, black background).

Still no image even though you press the AUTO ADJ. button.

Still no image even though you carry out [Reset] in the projector’s menu.

Signal cable's plug is fully inserted into the input connector

A message appears on the screen.

( _____________________________________________ )

The source connected to the projector is active and available.

Still no image even though you adjust the brightness and/or the contrast.

Input source's resolution and frequency are supported by the projector.

Image is too dark.

Remains unchanged even though you adjust the brightness and/or the contrast.

Image is distorted.

Image appears to be trapezoidal (unchanged even though you carry out the [Keystone] adjustment).

Parts of the image are lost.

Still unchanged even though you press the AUTO ADJ. button.

Still unchanged even though you carry out [Reset] in the projector’s menu.

Image is shifted in the vertical or horizontal direction.

Horizontal and vertical positions are correctly adjusted on a computer signal.

Input source's resolution and frequency are supported by the projector.

Some pixels are lost.

Image is flickering.

Still unchanged even though you press the AUTO ADJ. button.

Still unchanged even though you carry out [Reset] in the projector’s menu.

Image shows flickering or color drift on a computer signal.

Image appears blurry or out of focus.

Auto Focus is turned on.

There are no objections between the focus sensor and the screen.

The throw distance is within 1.4 to 5.5 m/55.1” to 216.5” Image is projected onto the screen.

Still unchanged even though you adjusted the focus manually.

No sound.

Audio cable is correctly connected to the audio input of the projector.

Still unchanged even though you adjusted the volume level.

Other

Remote control does not work.

No obstacles between the sensor of the projector and the re- mote control.

Projector is placed near a fluorescent light that can disturb the infrared remote controls.

Batteries are new and are not reversed in installation.

Buttons on the projector cabinet do not work ( only models with the Key Lock function).

Control Panel Lock is not turned on or is disabled in the menu.

Still unchanged even though you press and hold the EXIT but- ton for a minimum of 10 seconds.

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Contents LT35/LT30/LT25 Page DOC Compliance Notice for Canada only Safety CautionsPrecautions Important InformationPlace the projector in a horizontal position Important SafeguardsInstallation Important Information RF Interference for USA onlyIii Important Information Fire and Shock PrecautionsLamp Replacement Important Information Remote Control PrecautionsTable of Contents Table of Contents Whats in the Box? IntroductionCongratulations on Your Purchase of the Projector Features youll enjoyIntroduction to the Projector IntroductionIntroduction Front/Top Part Names of the ProjectorRear Introduction Bottom Terminal Panel Features Introduction Top FeaturesVolume Keystone But Tons Enter Button Exit Button Power Part Names of the Remote ControlOperating Range for Wireless Remote Control Introduction Battery InstallationSetting Up the Screen and the Projector Installation and ConnectionsSelecting a Location Distance Chart Installation and Connections Throw Distance and Screen SizeReflecting the Image Installation and ConnectionsMaking Connections Connecting Your PC or Macintosh ComputerEnabling the computer’s external display Installation and Connections To connect Scart output RGB Audio Video Audio Lamp Status Power Turning on the Projector Projecting an Image Basic OperationTo select a menu language, follow these steps Projecting an Image Basic OperationSelecting a Source Detecting the Signal AutomaticallyAbout Auto Focus Adjusting the Picture Size and PositionAbout Auto Keystone Correction Lift the front edge of the projector Projecting an Image Basic Operation Adjust the Tilt FootAuto Focus Projecting an Image Basic Operation ZoomEffective auto focus range for screen Projecting an Image Basic Operation Auto Keystone Correction Adjusting with buttons on the cabinet Adjusting Focus ManuallyAdjusting with the remote control Correcting Keystone Distortion Manually Adjusting the Image Using Auto Adjust Adjusting Volume Up or DownOptimizing RGB Picture Automatically After Use Turning off the ProjectorPreparation Make sure that the projector is turned off Freezing a Picture Convenient FeaturesChanging Lamp Mode Turning off the Image and SoundConvenient Features Select Off and press the Enter button When connecting using the USB terminal Using the Optional Remote Mouse ReceiverConnecting the remote mouse receiver to your computer When operating a computer via the remote mouse receiverUsing the Menus Using On-Screen MenuFor Selecting items Solid triangle Using On-Screen MenuFor Adjusting items Slide bar For Selecting items Return key symbol, Radio buttonMenu Elements Indicates the Control Panel Lock is enabledPicture List of Menu ItemsReset Detail Settings PresetMenu Descriptions & Functions Picture Menu Descriptions & Functions Image Options ResetSelecting Aspect Ratio Aspect Ratio Turning on Noise Reduction Noise Reduction Setting Telecine Mode TelecineSetup General Menu Descriptions & Functions SetupDisabling the Cabinet Buttons Control Panel Lock Using On-Screen Menu Setup InstallationSelecting Projector Orientation Orientation Selecting Communication Speed Communication SpeedSelecting a Color for Background Background Enabling Security SecuritySelecting Menu Color Menu Color Select Selecting Menu Display Time Menu Display TimeUsing On-Screen Menu Setup Options Version Menu Descriptions & Functions InformationUsage Time SourceReturning to Factory Default Reset Menu Descriptions & Functions ResetClearing Lamp Hour Meter Clear Lamp Hours Cleaning the lens MaintenanceCleaning the Lens and Focus Sensor Cleaning the CabinetReplacing the Lamp MaintenanceTo replace the lamp Interlock Maintenance Indicator Messages TroubleshootingAppendix Appendix Problem Check These ItemsAppendix Optical SpecificationsElectrical For Europe Appendix MechanicalCabinet Dimensions Mini D-Sub 15 Pin Connector Pin Assignments of D-Sub Computer Input ConnectorPin No RGB Signal Analog YCbCr Signal SXGA+ Compatible Input Signal ListCable Connection PC Control Connector DIN-8PPC Control Codes and Cable Connection PC Control CodesOther Troubleshooting Check ListPower Video and AudioVideo equipment Installation environmentSignal cable ComputerTravelCare Guide TravelCare a service for international travelersAsia and Middle East Application Sheet for TravelCare Service Program Condition of your TravelCare Service Program

LT35, LT25, LT30 specifications

Acoustic Energy, a prominent name in the audio industry, has made a significant mark with its LT series of loudspeakers: the LT30, LT25, and LT35. These speakers are designed to deliver exceptional sound quality while catering to the needs of audiophiles and casual listeners alike.

The Acoustic Energy LT30 is a versatile floor-standing loudspeaker that offers remarkable performance across various audio genres. Featuring a 3-way driver configuration, the LT30 is equipped with a 1-inch silk dome tweeter for clear high frequencies, a 4-inch midrange driver for detailed vocal reproduction, and dual 6.5-inch woven composite woofers that provide deep, powerful bass response. One of the standout features of the LT30 is its unique cabinet design, which minimizes resonance and maximizes sound clarity, ensuring an immersive listening experience.

For those looking for a slightly smaller option, the LT25 serves as an excellent choice. This compact yet powerful speaker shares similar design elements to the LT30 but features a 2-way configuration. The LT25 utilizes a 1-inch tweeter and a 5-inch mid-bass driver, making it ideal for smaller rooms or as part of a surround sound setup. Its refined sound stage and balanced audio output make it a perfect fit for both music and movie enthusiasts.

The LT35, on the other hand, is designed for larger spaces and offers advanced audio technologies. This model incorporates Acoustic Energy's proprietary driver technology, which ensures accurate sound reproduction and improved efficiency. The 1-inch tweeter and dual 7-inch woofers work in harmony to deliver an expansive soundstage, making it suitable for high-fidelity audio systems and dedicated listening environments.

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