Manuals / HP / TV and Video / Televisions

HP SL4278N 42 inch, SL4778N 47 inch manual Troubleshooting, Startup questions, Symptom Remedy

Models: SL4778N 47 inch SL4278N 42 inch

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Troubleshooting

Refer to this section if you have startup, viewing, picture, sound, or remote control problems with your TV.

Startup questions

Symptom

Remedy

 

 

 

 

I do not hear sound at power-on,

■ Is the volume too low? Press the Volume button.

 

even though there is an image.

■ Is mute turned on? Press the Mute button, or the Volume button.

 

 

■ Are the TV speakers turned off in the onscreen display (OSD) menu?

 

 

Press the Menu button to open the OSD; press the Down Arrow

 

 

button to select Audio, and then press the OK button; press the

 

 

Down Arrow button to select Speaker, and then press OK; press the

 

 

Down Arrow to select On, and then press OK. Press the Menu button

 

 

to close the OSD.

 

 

 

 

I do not hear sound from an HDMI

Check that the device outputs audio over HDMI in PCM format. Change

 

connected set-top box, DVD player,

the device setting if needed.

 

or other device.

This TV does not support audio input over HDMI in Dolby Digital format;

Troubleshooting

 

 

for more information, see “Understanding audio output” on page 54.

 

 

 

To use Dolby Digital output from your digital source device, connect the

 

 

digital output of your device directly to the input of your AV receiver or

 

 

external sound system that supports Dolby Digital. For more information,

 

 

see “Selecting the type of sound system” on page 17.

 

 

 

 

I do not see an image at power-on.

■ Are the connections to the input signal source component correct?

 

 

Double-check that the cables are properly inserted into the

 

 

color-coded connectors.

 

 

■ Is the input signal source powered on? Turn on the set-top box, DVD

 

 

player, or other device that you are trying to view.

 

 

■ Is the correct input signal source selected? Press the Source button on

 

 

the remote control, and confirm that the source is selected.

 

 

■ Press the Menu button on the remote control, or on the TV:

 

 

■ If the OSD appears, check the cables to the input source, and

 

 

then press the Source button on the remote control, or on the TV,

 

 

to select the input source.

 

 

■ If the OSD does not appear, see the next symptom, “There is no

 

 

power.”

 

 

 

 

Troubleshooting 93

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HP SL4278N 42 inch, SL4778N 47 inch manual Troubleshooting, Startup questions, Symptom Remedy
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SL4778N 47 inch, SL4278N 42 inch specifications

The HP LC3772N, PL4272N, PL5072N, LC4276N, and SL4278N represent a diverse range of plasma television offerings that cater to various viewing preferences and room sizes.

Starting with the HP LC3772N, this 37-inch plasma model is ideal for medium-sized living spaces, providing high-definition display quality. The LC3772N boasts a resolution of 1024x768 pixels, ensuring that viewers can enjoy crystal clear images with vibrant colors. With a refresh rate that minimizes motion blur, this model is perfect for watching fast-paced sports or action films. The unit also features multiple connectivity options, including HDMI and component inputs, allowing for seamless connection with gaming consoles and other multimedia devices.

Next, the PL4272N is a 42-inch plasma television that enhances the viewing experience with its larger screen size and advanced features. It offers similar resolution capabilities as the LC3772N but adds improved contrast ratios, enhancing picture depth and clarity. The PL4272N supports 720p high-definition video and includes built-in speakers designed to elevate audio output. This model is known for its wide viewing angles, making it suitable for gatherings with family or friends, ensuring everyone enjoys a stellar view.

The PL5072N takes this performance a step further with a generous 50-inch screen, suitable for a more immersive home theater experience. This model features 1080p full HD resolution, delivering stunning visuals with rich detail that enhances movie nights and gaming sessions. The advanced plasma technology used in the PL5072N offers deeper blacks and brighter whites, creating an impressive dynamic range. Its sleek design and thin profile also make it an attractive addition to any living room decor.

The LC4276N stands out in the 42-inch category with its innovative energy-saving features, making it not just a visual delight but also an environmentally friendly choice. Equipped with advanced image processing technologies, the LC4276N delivers enhanced color accuracy and sharpness.

Finally, the SL4278N is another 42-inch plasma television that showcases a modern design and smart features. It delivers stunning picture quality with low input lag, appealing to gamers who demand responsive gameplay. The SL4278N includes networking capabilities, enabling users to enjoy streaming content from popular services directly on their screen.

In summary, these HP plasma models vary in size and features but all deliver exceptional picture quality, making them suitable for varied viewing preferences and settings.