NEC NL6448AC30-09 LCD Screen

The NEC NL6448AC30‑09 is a 9.4″, 640×480 a‑Si TFT LCD panel originally equipped with dual CCFL backlights. Common failures include CCFL lamp burnout or degradation, voltage regulator faults on the backlight driver board, and pixel dropout due to capacitive leakage or solder joint fatigue. First‑check steps: verify that the panel’s power supply (±12 V for the display controller and 0–36 V for the CCFL) is within spec; inspect the backlight driver PCB for burnt components or loose connections; and perform a visual scan of the screen for dead or flickering pixels, followed by an error‑code readout if the panel interfaces with a host controller.[oss-gpt-20b]

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