Fw: Fw: Re: [R-390] Some more R-390A questions

[windy10605@juno.com]

I appreciate the comments on GFI tripping with the R-390A. The 
other military gear like my TV-7 and all the URM/25s I've had 
were perfectly happy with a 3 wire cord. 

I pulled the audio chassis because it's easy to do and found all the 
capacitors and resistors to be in fine shape. No changes in value
outside tolerance and no leakage on the capacitors. Since I had it 
apart, I did replace all five coupling capacitors with mylar units
because I had them. From this I'm assuming the rest are overall
in pretty good shape too. Also found some rectangular aluminum 
cans with octal plugs on the bottom. Should make a really nice 
set of electrolytics which can be readily disassembled.

The heterodyne osc reads low on all frequencies (the TP reads
around 0.5-1.5V). I know that's a problem and may be the cause 
of everything else. That's where it was left when the GFI blew.

Have to figure out how best to replace that filter without hosing
something up because the R-390A will have a 3 wire cord and 
everything in the shack/shop is on GFI (concrete floor, using 
power tools laying on your back under a car, sweaty, etc).

Thanks for your comments.

73 Kees K5BCQ