[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 


More information about the R-390 mailing list