[R-390] Deaf R-390A

[TVComlGuy at aol.com]

Good afternoon to the group,
 
I recently picked up an R-390A from an antique shop that came from an  
estate. After changing the cap of death on the filters, I brought it up and it  
worked right off the bat. It started making crackling noises and I started  
wiggling connectors. When I got to P-112 on the I.F. deck it dropped out  
completely. I put some Deoxit on the pins and it started working again.   Then 
when I touched the plug it dropped out and wouldn't come back.  I  switched 
out the I.F. deck from a good receiver and it, too, didn't work.   When I 
put the working deck back in the working receiver it also doesn't work  now!  
 HELP!!!
 
73//Ron, KB0WAR