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I will start with a 22 uf cap and a 22 ohm resistor. I I bout the other parts what I have found nat present the dead key is 6 watts and swings to 8 watts

I always use a 5k pot..but from reading ..I don't need to use TIP 120 OR EQUIVALENT? Ii see sait I can use a capacitor At the top and the variable on the solder side..I

What value variable should I use? I sent u of a pic of R 49. And also where it is on the board

That's is R50 let me take a pic from my scrap and show u. So what value variable I would use if I wanted too ? So would that up to maximum power from 1 or 2 watts key ..I know some when u reduce the key the power drops. I also saw a variable mod by removing s coil and adding 2 wires...

I changes the diode and a capacitor and the radio is working... how can I add a variable key to this radio

What is this mod suppose to do? Seen a few radio with it

No some one had a wire across it I believe some mod I have seen it in the cobra 29which would be d8 on the 89gtl it is d13

I am still at it ..what I found was D13 BRIDGED with a small piece of wire.FRom research it is some mod which is done with the cobra 29 with shorting (D8) (which is D 13 on coba 89) .when I tomorrow this wire the short seem to go away However the final and Driver are good but I am...

Will check D 15 and I replaced Ic just in case

I have checked D20 Tr 17 and Tr18 all are fine. What else do u want me to check..I have a scrap cobra 29 that was damage in shi0ong donu want me to change Ic3?

Will check it now

Unfortunately I don't have a scope so how doni proceed

THE BOARD IS PC 407 Ac

The radio was recapped and they are no Leds I will check.Tr 17 and 18. I have attached a picture of the radio. What I recently found a blue wire to be loose it comes from the ground trace b y the audio ic and goes to the back to the ground of a capacitor. I was able to see in another...

Made sure all the parts were correct install a new 2029 transistor ( no output) stiill but transistor not hot on recieve could hear it i key in my recieve.i but nothing on meter then about half hour later the final goes again I am truly lost

I will follow ur instructions and I will provide an update any more ideas feel free to share

I checked the 22 ohm it was reading 25 I changed it the 1ohm was reading ,5 ohms I change as well..still no difference

I tried that I am getting 13.8 at the final.. but the final still is very hot even if I don't ey

I got cobra 89gtl excellent condition it was recapped etc.After using it for a few days it blew the final(Hg1969)On checking this radio is a Cobra 29..However I replace.the final and as I keyed it shorted..radio went dim..I had a C2029 which is the original final as soon as I put it in...

Low boy could u send me a few pics and u can privatemessge me