Ampro A60220-03-30L Touch Screen

Ampro A60220‑03‑30L is a touch‑screen interface board used in industrial control panels, typically mounted on a Little Board 286 chassis. Common failure modes include cracked or damaged LCD glass, loss of capacitive touch response due to PCB trace corrosion, and power supply voltage drops that trigger the board’s internal protection shutdowns. Inspect the board for visible burn marks or moisture ingress, verify the 5 V/3.3 V rail levels with a multimeter, and check the I²C/SPI communication lines for proper signal integrity before proceeding to component-level diagnostics.[oss-gpt-20b] Post Comment

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