Astrosphere Mcp Mb 07241 5 Board Diagram ((better))

vintage computing hardware

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Blown MOSFETs or capacitors in the DC-to-DC conversion stages. burnt component on the board? hp compaq presario cq50 wistron astrosphere rev sa sch astrosphere mcp mb 07241 5 board diagram

• Check on diagram: ETH1 is connected to PHY2 (U20, AR8035). Its 3.3V power comes from LDO6 (U24). Page 5 shows a ferrite bead FB14 – common failure point.
• Fix: Measure resistance across FB14; if >1Ω, replace. Jumper with 0Ω resistor as test.

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