[GreenKeys] Introduction & Two Questions

[dave sigafoose]

Hello,

Name here is Dave, N2CZB, and for some reason have
decided to get back into RTTY after 30 years.  Had a
model 15 years ago, but it is long gone.  

I bought a model 28 a few weeks ago and am having fun
cleaning it and getting it in working order again.  A
mouse had moved in and it was amazing the amount of
seeds / nesting material that I had to clean out from
under the keyboard base.  

Have a couple of questions:

1) At the back of the cabinet is the SB-154/UG Power
Distribution unit.  In the unit, under the loop
transformer is a PC board, 4 1/8" x 2 1/2" with 5
transistors and other components.  Can someone please
tell me what this board does.  The power supply
current loop goes to this board as does the selector
magnet loop and keyboard loop, but I have no voltage /
current on any loop.  

2) 6 volt cabinet light bulbs.  Can someone please
tell me the bulb number and perhaps a source for them.
 


Thanks and Regards,



Dave Sigafoose


		
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