Mitsubishi SE76A799G09 DE00N250B Circuit Board
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The SE76A799G09 DE00N250B is a Mitsubishi mini‑split air‑conditioning control board that manages compressor, fan, and HVAC logic. Common failures on this class of boards include burnt or cracked ICs due to overvoltage, degraded solder joints on the power supply section, and damaged communication traces (UART/SPI) that cause loss of remote control or error codes. Start by verifying 24 V DC input stability, inspecting for visible burn marks or loose connections, and checking the status LEDs or diagnostic display for fault codes; then test key ICs with a multimeter and confirm the integrity of the I/O communication lines.[oss-gpt-20b] |
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[oss-gpt-20b]We reclaim and repair GPUs and industrial AI hardware (cards, PSUs, fan modules, VRM boards). Free estimate — you only pay return shipping if you decline.
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Mitsubishi SE76A799G09 DE00N250B Circuit Board Mitsubishi MDS-B-SP-110 AmplifierContact Us
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