[R-390] Latest update on the EAC R-390A
Jim Green
jagreen3 at sbcglobal.net
Wed Jun 6 18:55:05 EDT 2012
Well folks, I think I found an error in the Y2K. In chapter 6 there is
a photo of the bottom of the RF deck with arrow balloons to label the
parts. It turns out the C327 arrow balloon points to C328 & the C328
arrow balloon points to C327.
C327 is a 100pF mica cap. I replaced it with a 100pF 1KV ceramic.
C328 is a .005uF ceramic. When I thought it was C327, I replaced it
with a 100pF 1KV ceramic. Now I realize my error, I returned it to a .
005uF 1KV ceramic.
All 2.2K resistors are now good. I found only 1 out of spec. The rest
are low in spec. around 2.15K.
I cleaned everything up pretty well, but didn't do the soak. This
radio is very smooth as it is & it looks shiny and new.
I put it back together, and everything seems to be working. The
Crystal Calibrator chirp is gone. I think I'm ready to move on to the
AF deck.
Thanks everybody for the help.
Jim
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