NEC NL6448AC30-09 C9173003 LCD Screen

The NEC NL6448AC30‑09 is a 9.4″ 640×480 a‑Si TFT LCD panel originally driven by dual CCFL backlights and used in industrial control panels and handheld displays. Common failure modes include CCFL lamp burnout or voltage drop, resulting in dim or no image; pixel failures such as dead or stuck pixels due to long‑term use; and controller board issues (e.g., faulty driver ICs or solder bridges). First‑check diagnostics should verify the panel’s power supply voltage, measure backlight current, inspect for visible cracks or burn marks on the glass, and review any error codes from the host controller.[oss-gpt-20b]

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