Sharp LQ104V1DG5A Screen Panel

Sharp LQ104V1DG5A is a 10.4‑inch, 640×480 (or 800×600) a‑Si TFT LCD panel with an integrated CCFL backlight system and no touch interface. Common failure modes include dead or dim pixels due to LCD driver degradation, backlight lamp burnout, capacitor leakage on the power supply board, and connector corrosion causing intermittent signal loss. Initial diagnostics should verify the DC input voltage to the panel, inspect the CCFL ballast for proper operation, check the I²C/SPI data lines for continuity and correct logic levels, and examine the panel’s solder joints for cold or cracked connections.[oss-gpt-20b]

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