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Boy are you having a day...


Yeah, welcome to the "ol' Timers - Wish It Was The Good Old Days Again" routine...


You're mentioning parts that have not been made since the Titanic Remake with Celine Dion singing the "Suicidal Soundtrack Songs Of The 90's" when Leonard Decaprio wasn't so decimated.


The MV-1Y? Any typical 1N4148 or 1N914 - SILICON not Schottky - will work. Even a Zener diode of, say 5.1 volts or so has enough of a doping junction character that when you follow polarity - as in Banded towards the banded on the silkscreen of the board - can handle the power curve the transistor exhibits.


The 2312 - gone...use 1969 or take chances...


Now in using Aluminal or conductive paste DON"T!


The paste itself can cause considerable migration of conductive film that will ruin any radio due to the thin conductive film it can leave behind.


The CPU paste is for the CPU's case - as a grounded heatsink or shield - which is what it is for, not for RF transistors and mica insulators - the conductivity of the paste will hurt the radio.