PSDS Boeing Product Standards Introduction In aircraft maintenance, how can one find the specific manufacturing parameters for products or components? This article will take Boeing as an example to introduce Boeing Product Standards and Search Methods, helping maintenance personnel gain a deeper understanding of Boeing’s technical documents. 01 What are Boeing Product Standards? The Boeing … Read more
From: Michelle’s LabLDM #401: Boeing 747 digital fuel quantity indicator – teardown, reverse engineering and testIntroductionInterface DisplayLabel InformationConnectorPinout of the Aviation ConnectorOpening the InstrumentFrom Altera’s CPLD, EPM7160 1MHz Crystal OscillatorPower Board (LT1074)Reverse Engineering: Power SupplyPower SupplyReverse Engineering: Dimmer Circuits0-5V, 400Hz AC Voltage Rectification Comparison 8-bit Sent to CPLDReverse Engineering: ARINC 429 InterfaceOptocoupler (an ARINC 429 … Read more