Make sure the volume is up and MUTE is off.
Confirm the TV speakers are set to ON by pressing MENU and selecting “Audio” 
Check that the correct SAP (Secondary Audio Program) is selected by pressing the SAP button on the remote control. (p. 17) 
If the TV is connected to a Panasonic Home Theater via HDMI cable, then check VIERA Link controls. (p. 33)
If the TV is connected to a Home Theater via optical cable, then: Check the connection, the audio system is on, the correct input is selected.
Check “HDMI 1 in” or “HDMI 2 in” analog/digital audio settings. (p. 46)
Check that the correct SAP (Secondary Audio Program) is selected by pressing the SAP button on the remote control.
Check that all connections of external equipment connected to the TV are secure.
When using Cable or Satellite box, check the device’s audio settings. (example: try changing the box’s Audio Range to ‘narrow’)
When TV power is turned on or shut off there are electrical components that make a click sound. This is normal operation. 
Changes in the temperature and humidity of the room may cause thermal expansion and contraction that can produce sounds. This is not a sign of faulty operation or a malfunction.
Use an HDMI cable. It carries both digital video and audio signal in HD. HDMI cable is the only cable needed to connect an HD device to the TV.
When viewing TV via an HDMI connected device, such as a Cable or Satellite box, CC must be enabled at the device. 
Closed Caption is available only at supported TV programming.
The main unit radiates heat and some of the parts may become hot. This is normal operation and does not affect the performance of the set.
Ensure good ventilation.
Do not block the ventilation holes of the TV and do not place the TV on top of other equipment.
Check that the batteries are fresh, are of the same type and are installed with the correct polarity (+ & 
To operate other devices, such as changing channels when using Cable or Satellite boxes or operating 
During “First time setup”, you indicated in step 
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b
Depending on certain modes or the selected input, some options are not available. For example, Zoom adjustments are only available when the FORMAT is changed to zoom mode.
TC-P50X3, TC-P42X3, TC-P46X3 specifications
The Panasonic TC-P46X3, TC-P42X3, and TC-P50X3 are part of Panasonic’s acclaimed line of Viera plasma TVs, offering impressive picture quality and features that cater to home entertainment enthusiasts. These models exemplify the brand’s commitment to delivering outstanding visual performance through advanced technology and innovative design.One of the most notable features of these televisions is their use of plasma display technology. This technology provides deeper blacks and vibrant colors by utilizing millions of tiny gas-filled cells. The result is a superior level of contrast and a broader color spectrum, ensuring that viewers experience their favorite movies and shows in stunning detail. The 600Hz sub-field drive technology further enhances motion clarity, reducing blur during fast-moving scenes and making it ideal for sports viewing and action-packed films.
The Viera TC-P46X3, TC-P42X3, and TC-P50X3 also come equipped with several smart features. With Viera Connect, users have access to a range of online services and applications that enhance the viewing experience. This platform provides seamless access to streaming services like Netflix and YouTube, enabling users to enjoy a vast library of content at their convenience. Additionally, the built-in Wi-Fi capability allows for easy connectivity to home networks, streamlining the process of enjoying online content.
Audio performance is another essential aspect of these plasma TVs. They feature enhanced audio systems that deliver immersive sound quality, enriching the overall viewing experience. The unique Viera Link functionality enables users to control multiple compatible devices using a single remote, simplifying the user experience.
Design-wise, the TC-P46X3, TC-P42X3, and TC-P50X3 showcase a sleek profile, making them a stylish addition to any room. The minimal bezel design optimizes screen real estate, providing an unobstructed view of the action on display.
Overall, the Panasonic TC-P46X3, TC-P42X3, and TC-P50X3 deliver a remarkable combination of excellent picture quality, advanced features, and stylish design, making them exemplary choices for those seeking a top-tier home entertainment experience. As part of Panasonic's legacy of innovation in the television industry, these models stand out for their exceptional performance and user-friendly features, ensuring that they remain relevant in today’s ever-evolving digital landscape.