LED TV වල COLOUR මවන සුත්තරෙ GAMMA VOLTAGE ගෑන දෑන ගන්න |

Form this video you can learn about Gamma voltages of LED TV's in Sinhala.
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gamma lesson part 2
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.Gamma voltages in LED TVs play a crucial role in controlling the grayscale representation on the display. These voltages are part of the gamma correction process, which adjusts the brightness levels for each shade of gray to ensure accurate color and luminance reproduction. Here’s a breakdown of how gamma voltages work in LED TVs:
1. **Gamma Curve**: The gamma curve represents the relationship between input video signal levels and output brightness. An ideal gamma setting ensures smooth transitions between brightness levels, allowing for realistic shadows, highlights, and mid-tones.
2. **Voltage Levels**: Gamma voltages are specific voltages applied to the panel's control circuitry to adjust how each pixel responds to different brightness levels. Each gray level has a corresponding gamma voltage, ensuring the panel produces the correct luminance for every shade.
3. **Gamma IC and Board**: In LED TVs, a dedicated Gamma IC (Integrated Circuit) or Gamma Board manages these voltages. This circuit fine-tunes the brightness levels across different gray shades, aiming to achieve uniform color accuracy across the screen.
4. **Gamma Voltage Adjustment**: Technicians sometimes adjust gamma voltages when calibrating an LED TV to fix issues like overexposed highlights or crushed shadows. A misconfigured gamma setting can result in washed-out colors, reduced contrast, or inaccurate image reproduction.
5. **Calibration and Diagnostics**: Gamma voltages are often tested during diagnostics to ensure they fall within a specific range. Common voltages in a gamma correction circuit range from around 0.5V for darker tones to over 14V for bright whites, though exact values vary by panel and TV manufacturer.
Proper gamma voltage calibration in LED TVs ensures balanced contrast, rich colors, and an overall accurate and pleasing visual experience.