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    OLED77CXPUA
    A 77-inch OLED 4K UHD TV from LG, with 2160p resolution and HDR capability, four HDMI inputs, and three USB ports. This TV is internet enabled.
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    * This Model May Have Limited Distribution

    Description
    A 77-inch OLED 4K UHD TV from LG, with 2160p resolution and HDR capability, four HDMI inputs, and three USB ports. This TV is internet enabled.

    CR Expert Take

    How did it perform in our owner surveys and expert lab testing?

    What goes into the Overall Score?

    Ratings Scorecard

    OWNER SURVEYS

    Predicted Reliability
     /  5
    Owner Satisfaction
     /  5

    EXPERT LAB TESTS

    HD picture quality
     /  5
    UHD picture quality
     /  5
    HDR
     /  5
    Viewing angle
     /  5
    Motion blur
     /  5
    Sound quality
     /  5
    Versatility
     /  5
    Data privacy
     /  5
    Data security
     /  5
    Ultra HD Picture Quality
     /  5
    Ultra HD performance
     /  5
    Color
     /  5
    Screen size (in.)
     /  5
    TV resolution type
     /  5
    Display type (Backlight)
     /  5
    Internet-enabled
     /  5
    Energy cost/yr. ($)
     /  5

    Detailed Test Results

    HD PICTURE QUALITY HD picture quality was almost entirely Excellent. Reproduction of fine HD image detail was Excellent. Color accuracy was Excellent, so colors, especially flesh tones, look very natural and lifelike. Excellent contrast—the difference between the darkest blacks and brightest whites—gave images great depth and dimension. Black levels were Excellent, and delivered very deep blacks that enhanced contrast in dark scenes. This was among the brightest models we've tested (with the OLED Light control turned up), so the picture was well suited for a very sunny room—a lower setting is recommended for a dimmer viewing environment. However, its reproduction of smooth edges on image content for "up-converted" HD-to-UHD images fell short with some visible "jaggies" (jagged edges) deinterlacing of 1080i video was Very Good (minimal "jaggies") and film mode detection from 1080i content was Excellent.

    4K UHD PICTURE QUALITY Overall 4K UHD picture quality was Excellent. In our UHD testing, we played native-4K movies and test videos (non HDR) thru the TV's HDMI input, and found their image detail was all there. For color, contrast and black level, the TV performed similarly to its HD picture quality.

    HIGH DYNAMIC RANGE (HDR) PERFORMANCE HDR performance was very effective. In our tests, the display's high peak brightness capability was Very Good, and helped reproduce the realism of our HDR 4K content. It excellently revealed the contrast between moderately bright and very bright highlights, while the brightness levels in the mid-to-lower tones, like those in an indoor scene, were slightly low. It did a good job reproducing a greater range of nuanced shadow detail, from black to white, with no obvious banding within the gradually shaded areas. There was no visible loss of detail within the highlights of the brightest areas. Brightly colored objects remained nicely saturated.

    VIEWING ANGLE This display has very wide viewing angle, better than most TVs we've tested. This helps make the TV a good choice for large group viewing. Our examination at various viewing angles indicated Excellent consistency. Contrast and depth of black level were largely unchanging from any viewing position. When we viewed the TV from the sides the picture showed a slight shift in color tone, but overall color remained consistent with no degradation in overall image quality. We viewed the image from above and below center screen, and saw Excellent vertical viewing angle performance, with no significant changes in color, contrast, and black level.

    MOTION BLUR In our motion tests, this LG TV had Very Good motion performance, with minimal blurring thanks to LG's "TruMotion." This feature is designed to reduce motion blur, a shortcoming of most displays. Although this TV also includes a "OLED Motion Pro" setting that we found was slightly effective at reducing motion blur, it limited the brightness of the image and added some flicker to the picture so we left the feature off.

    SOUND QUALITY We got Excellent sound quality, among the best we've tested. Whether you're watching a blockbuster movie, a concert, or TV show, it can deliver a top quality listening experience. In our listening evaluations, we found the bass (low frequencies) was moderately deep and provided some sense of fullness but lacked some definition, and had a slight amount of rattle or buzzing during our bass-heavy sound clip. Treble (high frequencies) was satisfactory. The overall sound was a bit closed in. This TV should be OK in rooms large or small, noisy or quiet—we found the speakers could play at a fairly loud volume level and without obvious distortion. You can get better quality from a high performing soundbar or separate home theater system but you should give this model a good listen before making that choice.

    EASE OF USE Consider the TV's stand is 46 inches wide when choosing a table top to place it on. On first power up, an on-screen guide appeared—which you could choose to follow when setting up the TV. The remote controls the TV via an RF signal and doesn't need to be pointed at the TV. It's a motion-control point-and-click design that you wave around in order to navigate the menus. It has a full number keypad for entering channel numbers. It has a scroll wheel for quickly navigating through a menu. It includes all the buttons we typically expect: power, channel up/down, volume control, mute, source input, menu, and exit. The remote has a microphone for accessing a built-in voice assistant feature. It also has dedicated buttons for streaming Netflix and Prime Video.

    INTERNET FEATURES This TV provides internet functionality via its "WebOS" portal, with access to a library of applications from the LG Content Store, and a full web browser. Movie streaming services that can be downloaded to this TV, or are built-in, include Netflix, YouTube, Amazon Prime Video, Hulu, Disney and Apple TV. More so, Netflix, YouTube, Amazon Prime Video, Hulu, Disney and Apple TV can be streamed in 4K UHD. Includes built-in Google Assistant and Alexa virtual assistants, which allow you to use natural speech to ask questions, launch applications, and search programming by talking to the remote. Claimed support for external voice assistants (not built in to the TV) include Amazon Alexa, Google Assistant, and Siri HomeKit.

    CONNECTIONS This model has four HDMI inputs (one supports eARC, enhanced audio return channel). It also has three USB ports, an optical digital audio out, a headphone out, an Ethernet port, WiFi wireless networking DLNA, to access files within your home network Casting, which allows you to send streaming content from your mobile device to the TV via your home network Screen mirroring, where the image on your smartphone or other compatible device can also appear on the TV and AirPlay, for sharing videos, photos, music, and more from Apple devices to the TV. Analog video, one composite with stereo audio, is made via a special breakout cable adapter (included) that attaches to the TV as a single plug.

    WHAT'S INCLUDED You get with this TV: a printed user manual, a quick start guide, an electronic user guide via the TV's menu, a remote control with batteries, and breakout cable adapters (one composite with stereo audio).

    ABOUT UHD TESTING Ultra-high definition "UHD" can refer to both the TV and program content. While the UHD industry standard includes 4K and 8K, most UHD TVs and UHD content at this time are 4K. A 4K UHD image is presented as 3840 x 2160 pixels—four times the pixel-count of HD. We test UHD TV picture quality using 4K UHD movies, videos, photos, and test patterns to confirm these displays deliver performance to this format's full potential. We examine the TV's ability to reproduce 4K UHD image detail, as well as high dynamic range (HDR)—for TVs that support this capability. Image quality is tested using a UHD movie player connected to the TV's HDMI input, and from files stored on USB flash drive. We also check how well the TV can upscale HD movies to the display's higher UHD resolution while keeping artifacts such as "jaggies" along the edges of image content to a minimum. The best UHD TVs, and HDTVs, present high fidelity images that reveal the full quality of the best source content without degradation.

    About

    The LG OLED77CXPUA is a 77-inch OLED 4K UHD TV with a native resolution of 3840x2160 (2160p).

    It is internet-enabled and includes an Ethernet jack allowing for a wired connection to your home network. It is also WiFi capable, so you can connect it to your home network wirelessly. It is DLNA certified, so you can view content stored on a compatible computer, phone, or other mobile device also connected to your home network.

    This TV has four HDMI inputs. It also has three USB ports, which may be used to play media—photos, videos, and music—stored on a flash drive.

    The LG OLED77CXPUA measures 40.3 inches high by 67.8 inches wide by 10.6 inches deep, including its base. The panel itself is 2.2 inches thick including any protrusions.

    The warranty on this model covers parts for 12 months and labor for 12 months.

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