![]() Noise, power supply, RS-232, EMC, cross-talk, ground loops, transmission line, hardware, software, firmware, PLD programming, I/O control, etc.Op-amp, microprocessor, Programmable Logic Device (PLD), FLASH, parasitic components, resistor, capacitor, thermocouple, thermistor, fuse, switch, circuit breaker, multivibrator, etc.Infrared thermometer, "Finger" test, liquid crystal paper TROUBLESHOOTING DISCUSSION: Latch-up examples, causes for latch-up, latch-up test analysis, latch-up failure analysis, latch-up circuit analysis, latch-up prevention USING TEMPERATURE FOR TESTING & TROUBLESHOOTING: Loading circuit, AC & DC, ripple, 1M resistor divider, speed & frequency maximum.Low impedance, in-line, inductive - AC & DC.Ohmmeter, continuity meter, diode checker, Inductance-Capacitance-Resistance (LCR) meter, Digital Voltmeter (DVM), oscilloscope, logic analyzer, boundary scan, Manufacturing Defects Analyzer (MDA), spectrum analyzer, logic probes, fault dictionary, circuit simulation, in-circuit tester, emulators, function generator, Arbitrary Waveform Analyzer (AWG), signature analyzer, Environmental Stress Screening / Highly Accelerated Stress Screening / Highly Accelerated Life Testing (ESS/HASS/HALT), functional, hi-pot, and ground continuity testers FAILURE TYPES:ĮSD, cold temperature, temperature transition, vibration, altitude, humidity, etc. TROUBLESHOOTING BASICS:Įquipment plugged in, powered on, fuse / circuit breaker, wall breaker, Ground Fault Circuit Interrupter (GFCI) verified, emergency stop switch off, intermittent failure due to cold solder joint, loose connection, proper documentation with revision level matching Unit Under Test (UUT), etc. Visual inspection, use of the five senses, manufacturing defects, infant mortality, Electrostatic Discharge (ESD), Electrical Overstress (EOS), etc. Capacitor store charge, isolation transformer, voltage ratings on leads, floating a scope ground, laser, voltage measurement, use of Digital Multimeter (DMM), lock out tag out, etc. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |