Hi Morris,
Well, Tek made TWO different silicon mod kits for the 127, depending upon the
serial number of your instrument. For Serial Number 100-357, it is 040-0217-00
and for Serial Number 358-1409, it is 040-0282-00. There are about 8 pages in
each instruction set. So, if you tell me your Serial Number, I will get a copy
of the appropriate kit instructions for you. It will cost you about $2 plus
postage.
Stan
w7ni@...
Stan or Patricia Griffiths wrote:
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Hi Morris,
I am sure Tek made a silicon replacement kit for those seleniums. I am sure
I have a copy of it on microfiche. I will check that out at my next free
moment and see about taking my microfiche to the local library and making you
a hard copy of the mod instructions for you. I promise to keep the price of
my labor within reason . . .
Don't let me forget this . . . at age 62, things sometimes fall in the
cracks.
Stan
w7ni@...
morriso2002@... wrote:
I have picked up a 127 preamp power supply that is used to power a
couple of 1- or letter plugins for use as instrument amplifiers. It's
quite a boatanchor and seems to work OK but I want to replace the
selenium rectifiers in it with silicon for safety reasons.
There are 5 rectifiers in there. To save me a bit of measurement work,
does anybody have any info on function/ratings of the rectifiers or
whether Tek issued a bulletin on their replacement?
Morris
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