Just probe the inputs and outputs to make sure they're correct.
I remember having a quad D latch or flip flop on the ROM board in an HP3000 Series III computer on the production line that only failed with a certain data pattern. It was the first machine I tested, and it took me days to isolate the problem using a logic analyzer.
|Thread starter||Similar threads||Forum||Replies||Date|
|V||how to check umatched rows in excel||General Electronics Chat||2|
|D||how to check AC electrical outlet using a digital multimeter:||General Electronics Chat||15|
|S||Kindly check 5 pins for programming pic.||Microcontrollers||3|
|N||How to check if the power charger cable of a Samsung tablet is working?||Technical Repair||1|
|Sound check!||Analog & Mixed-Signal Design||35|
by Lianne Frith
by Jake Hertz