Compruebe la posición, la orientación y la conexión de la antena.
Cambie la orientación de la antena para los canales digitales. 
Compruebe “Medidor de señal” (pág. 33). Si la señal es débil, compruebe la antena y consulte a su concesionario local.
Está conectado correctamente el cable HDMI? (pág. 
Apague el televisor y el equipo y luego vuelva a encenderlos.
Compruebe una señal de entrada procedente del equipo. (pág. 42) 
Utilice un dispositivo que cumpla con la norma 
Verifique los ajustes de la grabadora. Para conocer detalles, lea el manual de la grabadora.
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¿Están instaladas correctamente las pilas? (pág. 6)
¿Se ha agotado la batería?
TH-50PX80U specifications
The Panasonic TH-50PX80U is a well-regarded 50-inch plasma television that was a part of Panasonic’s Viera lineup, recognized for its stunning picture quality and comprehensive features. Designed with the home entertainment enthusiast in mind, the TH-50PX80U combines advanced display technology with user-friendly features for an immersive viewing experience.One of the standout features of the TH-50PX80U is its exceptional picture quality, characterized by deep blacks and vibrant colors. This is made possible by Panasonic's NeoPDP technology, which enhances contrast and brightness levels, ensuring a dynamic visual experience. The plasma display is capable of delivering a high refresh rate, resulting in smooth motion handling during fast-paced scenes, making it ideal for sports and action films.
Additionally, the TH-50PX80U boasts a 720p resolution, which, while not the highest available today, provides a clear and sharp image, particularly when paired with HD sources. The TV also features a 100,000-hour lifespan for the panel, indicating long-term durability and reliability, and offering users long-lasting enjoyment of their television.
The connectivity options on the TH-50PX80U are quite extensive for its time. It includes multiple HDMI ports, allowing users to connect various external devices such as Blu-ray players, gaming consoles, and sound systems with ease. There’s also a Composite input and a Component input, supporting a range of video formats. An integrated tuner allows for the reception of over-the-air broadcasts, and it’s compatible with standard definition and high definition formats.
In terms of sound, the TH-50PX80U features built-in speakers that provide decent audio quality, though users may want to consider external audio systems for an enhanced sound experience.
Energy efficiency is another notable characteristic of the TH-50PX80U, with features aimed at reducing power consumption while maintaining performance levels. The set's design is sleek and modern, making it a stylish addition to any living space.
In summary, the Panasonic TH-50PX80U remains a strong option for those seeking a reliable plasma TV equipped with advanced technologies and features that provide an enjoyable viewing experience. Its combination of superior picture quality, sound capabilities, and connectivity options make it a solid choice for a dedicated home theater setup.