Lunar Corp 40271 control module

The LNR40271 is the integrated detector module used in GE Lunar Prodigy bone densitometers; it houses the ASIC sensor array that converts X‑ray attenuation into electrical signals for DEXA analysis. Common failure modes include ASIC chip malfunction (often manifested as flat‑line or erratic output), power supply degradation to the detector board, and connector corrosion leading to intermittent signal loss. First‑check diagnostics: verify 12 V/5 V rail continuity to the module, inspect the detector PCB for burnt traces or swollen capacitors, and run a quick I/O loopback test on the detector’s data interface while monitoring the system error log for “Detector Failure” codes.[oss-gpt-20b] Post Comment

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