Web3. Multiple Vertical Lines. If multiple vertical lines can be seen running across your TV screen, it might be a sign that the LCD panel is showing signs of aging, and it requires immediate replacement. Replacing the LCD is a major expense, and it’s usually recommended to buy a new TV instead of replacing the LCD. WebFeb 6, 2024 · Sony’s iconic Trinitron abandoned the perforated metal “shadow mask” that most color TVs used to keep their electron streams separate, for instance, using vertical wires that produced bright,...
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