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"Why is the picture quality poor on my Samsung Q80BD 65 inch 4K TV and how can I improve it?"

The Samsung Q80B QLED TV, including the Q80BD variant, uses a VA (Vertical Alignment) panel, which can result in poor viewing angles and color shift.

VA panels generally have lower response times, making them more susceptible to motion blur and ghosting artifacts during fast-moving scenes.

QLED technology, despite being an improvement over standard LED-LCDs, still suffers from backlight bleeding and blooming issues, causing haloing around bright objects on dark backgrounds.

Calibration plays a vital role in picture quality.

Improper calibration settings may lead to poor color accuracy, contrast, and overall image quality.

Local dimming, a feature in the Samsung Q80B, can sometimes cause blooming and inconsistent backlighting, negatively affecting picture quality.

Issues like dead pixels, flickering, and power supply problems can be attributed to manufacturing defects or low-quality components, which may vary between different production batches.

The Samsung Q80B QLED TV has a peak brightness of around 1000 nits, which may not be as bright as some competitor TVs in the same price range, resulting in less vibrant HDR performance.

Variations in picture quality among individual units can be attributed to Samsung's cost-cutting measures, leading to inconsistent component usage or quality.

Audio issues like crackling sounds and limited bass response are often caused by faulty speakers, amplifiers, or DACs integrated into the TV.

The Apple TV 4K, when connected to the Samsung Q80B, may output a less than optimal picture quality due to compatibility or handshake issues between the devices.

The Samsung Q80B's Tizen OS may have different color reproduction and calibration settings when using native apps compared to external devices like the Apple TV 4K.

The Samsung Q80C QLED, the 2023 replacement for the Q80B, features an upgraded Neo QLED panel with Mini-LED backlighting.

The Q80BD, however, does not have this technology.

The Samsung Q80B uses a 120Hz panel, which may exhibit slightly improved motion handling without experiencing as much judder or soap opera effect in slow-paced content.

The Q80B series' Contrast Enhancer feature may increase the contrast and brightness of specific picture areas at the expense of increased banding artifacts.

The Q80B's peak brightness may be limited in certain modes, like Standard or Movie, which could be rectified by switching to a brighter mode like Dynamic or Vivid, at the cost of color accuracy.

External factors like ambient light and room setup can impact the perceived picture quality of the Samsung Q80B, even when calibrated properly.

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