[GreenKeys] Model 33 Q1 transistor replacement

[Erik Bruchez]

Hi all,

I am trying to troubleshoot a Model 33 selector magnet circuit. I don't
know for sure yet but there is a chance that it's the Q1 transistor on the
board. I am wondering if anybody here has ever replaced this transistor,
and if so with what (possibly more modern) part. The original is
Motorola-branded and labeled 181671. The schematics call it a "high gain"
transistor.

-Erik

[image: C6BC2216-1423-4DCB-A6BF-7869D424140C.JPG]
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