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yep that is my base TRC 458 just recapped it and put in a new meter with green light and ch. display also green works great had contacts all over Canada and east coast and some down south very happy with it also herd a guy from Long Island, Bahamas but could not contact him today.( my handle is...

HI does anyone have any info on the TRC 101B hand held 23ch looking for a schematic have an old one that you can hear with head phones but not with the speaker. THANKS for any info

I am not sure how it could go bad sitting on a shelf ether but maybe they forgot to tell me that is why it was on the shelf? I will be posting pic when done I also changed the channel display to green and the meter to a galaxy smeter with a green led for back light and the red for tx. the...

YYYYYAAAAAA got it the FET1 was bad YOU guys are the best I had a parts radio and and pulled most transistors and fets out for testing looked at what you posted and started checking after the pll d858 and found the first fet lost signal changed it out with parts one and as soon as I touched the...

thanks sonoma well be checking every thing else that has been said first. Thanks for the info

maybe you could use this one and hlight the single path? http://www.cbtricks.com/radios/cobra/139xlr/graphics/cobra139xlr_sch.pdf

OK well I will keep testing parts and post what I find.

HI robb is there any way you can highlight the signal flow from the antenna forward for me to use a signal tracer on the circuit diagram you posted above as i am not that good at reading this that would be very helpful. The info you have posted is great thanks

OK thanks robb will be doing some more testing as soon as i get a chance!

HI looking for some help!! I have a Trc 458 bought it and was told it worked years ago and was put on a shelf. when I got the radio hooked up and will tx but no rx. recaped it and still the same there is a hiss sound on rx and the volume and squelch seam to work but with a radio only a few feet...