Philips LC4242, LC4246 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 STANDBY button to switch on the projector.

Lamp ceased to operate or does not light up at all (indicator lights up 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’).

Internal temperature of the projector is too high.

Wait a few minutes and check to see if the air outlets are blocked.

Disconnect and re-connect the mains cord to the projector. If the temperature in the meantime decreased sufficiently, the projector will start up in the standby mode.

Lamp indicator blinks orange

Lamp life has almost expired (less then 100 hours to go).

See warning message on the on start up screen for details.

Lamp indicator lights up orange

Lamp life has expired.

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.

Picture too bright

MONITOR OUT has been enabled, while no external monitor is connected.

Disable the MONITOR OUT option. Press MENU and use cursor control to go to the SETTINGS item on the menu bar. Choose MONITOR OUT and select OFF.

Picture too dark or bright with external monitor connected

MONITOR OUT has been enabled, but the external monitor is not correctly connected. (The picture on both displays is too bright)

Connect the (optional) VGA Y-cable (See ‘Connecting to an external monitor’ under ‘Installation’).

If the VGA Y-cable is correctly connected, verify whether the input impedance of the monitor is correctly set on 75 Ohm.

MONITOR OUT has not been enabled, but the external monitor is connected. (The picture on both displays is too dark)

Enable the MONITOR OUT option. Press MENU and use cursor control to go to the SETTINGS item on the menu bar. Select MONITOR OUT and select ON.

No sound

Audio cable is not correctly connected.

• Connect audio cable correctly.

Volume is not adjusted.

Adjust volume.

Mute or A/V-mute is active.

• Cancel mute or 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 optional trackball remote controle).

Switch on the remote control.

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Contents Windows 98/NT/2000 compatible Philips Multimedia projector LC4246, LC4242, LC4236F g Controls and connectionsStandard Optional FCC Warning Introduction Things You Should KnowImportant Safeguards Projector Features On projector On compact remote control figFunctional Overview See illustrations Other connections On trackball remote control optional figData source connections Video source connectionsMains supply Set UpAdjusting the focus and size of the image Positioning the projector and screenMoving the projector Inserting the batteries in the compact remote control S hHorizontal angle horizon Vertical keystone correctionOptional cables and adapter Installation Video/computer cables and adapterVideo/computer cables and adapter Optional VGA/MAC adapter Installation Connecting to a computerConnecting to a computer General ProjectorConnecting to video equipment General Installation Connecting to video equipmentConnecting to audio equipment General Installation Connecting to audio equipmentConnecting to an external monitor General Installation Connecting to an external monitorFor example Operation PreparationPreparation General Feedback messages General explanationTip for Windows users Operation Preparation/Display and picture controlShift 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

LC4246, LC4242 specifications

The Philips LC4242 and LC4246 are cutting-edge products from Philips that showcase the company's commitment to innovation in the realm of technology and design. Designed primarily for the home entertainment sector, both models come with a plethora of features that enhance user experience and improve functionality.

The LC4242 is equipped with a vibrant 42-inch display that delivers stunning picture clarity thanks to its use of LCD technology. This model incorporates a dynamic contrast ratio that elevates the viewing experience by providing deeper blacks and brighter whites. The incorporation of wide viewing angles ensures that images remain intact and colors stay true, regardless of the viewer's position in the room. Additionally, its 1080p Full HD resolution guarantees that every detail is captured, providing an immersive viewing experience for movies, sports, and gaming.

On the other hand, the LC4246 offers a slightly larger screen at 46 inches, and builds upon the strengths of the LC4242. This model brings enhanced brightness levels, which is particularly beneficial in well-lit environments, ensuring that viewers do not miss out on visual details due to glare. Like the LC4242, the LC4246 also features advanced LCD technology, coupled with vibrant color reproduction to make images come alive.

Both models excel in connectivity, providing multiple HDMI and USB ports that allow for seamless integration with various devices including gaming consoles, streaming devices, and sound systems. This ensures that consumers can connect their gaming devices or media players with ease, expanding their entertainment options efficiently. They also feature built-in speakers that produce clear audio, enhancing the overall viewing experience.

Energy efficiency is another hallmark of both the LC4242 and LC4246. Designed with energy-saving features, these models minimize power consumption without sacrificing performance, making them eco-friendly choices.

In terms of design, both the LC4242 and LC4246 boast sleek, modern aesthetics that can complement a variety of home decors, with anti-glare screens that reduce reflections and improve visibility under various lighting conditions.

In summary, the Philips LC4242 and LC4246 are impressive models that combine modern technology with user-friendly features, making them ideal choices for anyone looking to elevate their home entertainment experience. With vibrant displays, excellent connectivity options, and energy efficiency, both televisions stand as testaments to Philips' dedication to quality and innovation in the industry.