Philips LC4341, LC4331, LC4345 manual Troubleshooting

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10. Troubleshooting

If a fault occurs, first check the points listed below

before taking the projector for repair. If you are unable to remedy a problem by following these hints, consult your dealer or service organisation.

Warning:

Under no circumstances should you try to repair the projector yourself as this could invalidate the warranty.

PROBLEM

–POSSIBLE CAUSE

• SOLUTION

Image is not displayed

–Mains lead is not correctly connected.

• Correctly connect mains lead.

–The filter holder is not installed correctly or is damaged.

•Install the filter holder correctly (see ‘Cleaning the dust filter’ under ‘Maintenance’).

–Lamp holder cover is not closed correctly or the lamp holder

is damaged.

•Close the cover correctly (see ‘Lamp replacement’ under ‘Maintenance’).

–Signal cable not correctly connected.

• Connect signal cable correctly.

–The projector is in Off position.

•Press Stand by On to switch on the projector.

Lamp ceased to operate or does not light up at all (indicator fast flashes red)

–Lamp is still hot while the projector attempts to restart the lamp.

•Do not switch the set off; it will restart the lamp automatically within a few seconds.

–Lamp circuit failure or worn-out lamp.

•Take the projector to your nearest Service Centre, or

•Replace lamp (see ‘Maintenance’).

Lamp indicator lights up orange

–Lamp life has expired or almost expired (less than 100 hours to go).

•See warning messages on the start up screen for details.

Standby LED is red and flashing fast

–Too high ambient temperature

•The projector will go into Standby mode. Allow the projector to cool down; this may take up to 30 minutes. When the LED stops flashing press any key to activate the projector again.

–Blocked air inlets/dirty dust filter

•The projector will go into Standby mode. Clean air inlets or dust filter and allow the projector to cool down; this may take up to 30 minutes. When the LED stops flashing press any key to activate the projector again.

Poor colour

–Wrong video system has been selected.

•Select the correct video system (see the selection of the video system under ‘Operation’).

•Adjust brightness, contrast, saturation or hue (see ‘Display and picture control’ under ‘Operation’).

Image is blurred

–Image is not focused.

• Adjust focus ring.

–Distance between projector and screen is not correct.

•Adjust the distance between the projector and the screen.

–Signal cable is not correctly connected.

• Connect signal cable correctly.

Image does not match up with the projected screen

–Shift and/or Horizontal size are not adjusted correctly.

• Adjust Shift or Horizontal size (See ‘Display and Picture control’, sections ‘Data only’ and ‘Data and Video/S-Video’).

• Activate the auto-image function via the On Screen menu.

Picture rolls

–Signal cable is not correctly connected.

• Connect signal cable correctly.

No sound

–Audio cable is not correctly connected.

• Connect audio cable correctly.

–Volume is not adjusted.

•Adjust volume.

–A/V-mute is active.

• Cancel A/V-mute.

Caution!

Always reduce/check the volume setting of connected amplifiers before switching off A/V mute, to prevent damage to speakers.

The projector does not react to commands from the remote control

–Distance is too great.

• Reduce distance.

–Batteries are exhausted.

•Replace batteries (see ‘Inserting the batteries in the remote control’).

–IR sensor is obstructed.

• Remove obstacle.

–Remote control is not switched on (only trackball remote controle).

•Switch on the remote control.

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Contents Philips Multimedia projector CBright Series LC4345 Controls and connectionsLC4341/4331 FCC Warning Introduction Things You Should KnowImportant Safeguards Projector Features On projector fig On compact remote control LC4341/4331 figFunctional Overview See illustrations Other connections On trackball remote control LC4345 figData source connections Video source connectionsMains supply Set UpAdjusting the focus and size of the image Positioning the projector and screenMoving the projector To LowerHorizontal angle horizon Video/computer cables and adapter Installation Video/computer cables and adapter15P male Adapter Installation Connecting to a computerOptional Philips Connecting to video equipment Installation Connecting to video equipmentAmplifier Installation Connecting to audio equipmentConnecting to audio equipment OptionalConnecting to an external monitor Installation Connecting to an external monitorFor example Operation PreparationTip for Windows users Operation Preparation/Display and picture controlActivate Pan Operation Display and picture controlAudio Control Operation Display and picture control/Audio controlRear screen projection Ceiling-mount projectionOperation Other settings Maintenance Lamp Lamp ReplacementUse cursor control to select Lamp counter in the sub menu Resetting the lamplife timeTroubleshooting

LC4341, LC4345, LC4331 specifications

Philips is well-known for its innovative approach in the consumer electronics market, and the models LC4331, LC4345, and LC4341 exemplify this dedication to quality and advanced technology in their design and functionality.

The Philips LC4331 stands out for its impressive display and audio capabilities. Equipped with a vibrant LCD screen, it delivers crystal-clear visuals that are perfect for watching movies or playing video games. One of its leading features is the built-in surround sound system, which enhances the audio experience for users. The LC4331 also incorporates a range of connectivity options, including HDMI and USB ports, allowing seamless integration with various devices such as gaming consoles, streaming devices, and external storage.

Moving to the LC4345, this model takes connectivity a step further by introducing smart technology. Designed with a user-friendly interface, it supports Wi-Fi and Bluetooth connectivity, enabling users to access a variety of streaming services directly from the television. The LC4345 is also equipped with an advanced picture processing engine that optimizes image quality for both high-definition and standard content. The dynamic contrast feature further enhances viewing by adjusting brightness and darkness levels on the screen according to the content being displayed.

Lastly, the Philips LC4341 offers a robust balance of performance and aesthetics. This model prioritizes energy efficiency without compromising on features. With an eco-friendly design, the LC4341 conforms to energy-saving standards while providing users with an immersive viewing experience. Its sleek and modern design makes it an attractive addition to any living room or entertainment space. The LC4341 includes multiple picture modes, allowing users to customize their viewing experience based on personal preferences or specific content types.

Across all three models, Philips emphasizes user satisfaction through intuitive remote controls and easy-to-navigate menus. Each model is designed with customer needs in mind, making it easy to access apps and tools required for a complete entertainment experience. With their impressive features and cutting-edge technology, the Philips LC4331, LC4345, and LC4341 signify a leap forward in home entertainment systems, showcasing the brand's commitment to innovation and superior quality. Whether it's for casual viewing or immersive gaming, these models cater to various preferences and enhance the overall viewing experience.
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