Reply 20 of 24, by rasz_pl
again
>the only thing you should measure is drain-source junction
while in circuit, powered down, in diode multimeter mode, both directions
low resistance gate-source can mean blown LX1682, would result in same symptoms, testing will require desoldering to check
https://github.com/raszpl/sigrok-disk FM/MFM/RLL decoder
https://github.com/raszpl/FIC-486-GAC-2-Cache-Module (AT&T Globalyst)
https://github.com/raszpl/386RC-16 ram board
https://github.com/raszpl/440BX Reference Design adapted to Kicad