The Lunar Corp LNR5269 is the main DMB (Data Management Board) used in GE Lunar Prodigy 1/2 bone densitometers; it hosts the microcontroller and interface logic that drives the scanner and displays. Common failures on this board include power‑rail brownouts, IC latch‑ups from overvoltage or overheating, and cracked solder joints on the serial I/O headers, often manifesting as intermittent “communication lost” errors or blank display. First‑check diagnostics: verify 24 VDC supply to the board and confirm all decoupling caps are within spec; inspect the UART/RS‑232 connectors for corrosion or broken pins; and run a continuity test on the main power traces while reviewing any error codes logged in the densitometer’s diagnostic menu.[oss-gpt-20b] |
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Tobaccoville, NC 27050
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Kernersville, NC 27284
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