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Poor man's talkback by soldering a 470ohm resistor in between the PA & ext speaker on the PC board, turn up the modulation a little bit & space the coils out a little bit. Simple stuff, nothing too special & it fits the budget.
Check CB Radio - DTB Radio's Front Page tips & tricks. I believe it uses the same chasis as a Cobra 19DX. There is a supertune, sc1969 final mod on his site.
Hello gentlemen and Ladies. I have the dreaded RCI-2990 receive issue where my radio gets distorted when people get close to my location. I found the C90 Capacitor, but I can not for the life of me find the C89 capacitor. Can or does anyone have a picture of the exact location of C89 ? Thank you in advance, Wes
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