|
If it's a black epoxy diode, GI prefix is the maker, General Instruments. The 8727 sounds like a date code. Wyse made some AT&T monitors - what is the diode location, i.e. DXXX number. If it is anywhere near the FBT, use a fast rectifier. RGP20 series, MUR series or the like. If it is a glass diode, all bets are off, as it could be either a signal or Zener diode.
More info would be helpful. Generally, if you can give the semiconductor complement (listing) I can narrow it down by who made the thing. AT&T made very little of their computer stuff, so who the monitor was made by would also help.
Cheers,
__________________
Brian
USN RET 22YRS (Avionics/Cal)
CET-Consumer Repair and Avionics ('88)
"Capacitor Cosmetologist since '79"
When fuses go to work, they quit!
|