Set up a mobile in my pickup. I decided on the president Mckinlay radio and a kl203p. I saw several videos where these were an ideal match because you can turn down the RF power output. For reference I’m also running the stryker SRA-10 mag mount antenna. I had the radio installed for about a week while waiting for the amp and gathering supplies to install. The radio works great. I finally got everything installed last night. Today was test day as I had a long drive. I adjusted the power down to 1/3 or so and keyed up to test. Everything seemed fine until I released the key and my receive was gone. I turned off the kl203 and it came back. Something is sticking. Upon further troubleshooting when this happens the antenna stays lit blue like I’m transmitting. What’s going on??
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Brand new Kl203p locks up on TX
- Thread starter Skywalker735
- Start date
I have the same radio and 203 and I will say it’s the relay. I am assuming you were on AM and not sideband. That would be one hellava delay on SSB. When you key and release you can’t hear the relay click?
Ok fellas, can a sticky relay be fixed or just change it out?
Ok fellas, can a sticky relay be fixed or just change it out?
I didn’t notice a relay click. Would I have to listen to the 203 itself? The radio seems to work fine until I release the key then silence. I double checked all the power and RF.
Also it does the same thing ssb or am. I may just try to get a replacement as it is fresh out of the box.
Need more information. How did you install (feed/ground) the amp? What size jumper? What does your watt meter say the radio is doing dead key and peak? Do you have another small amplifier you can put in-line or can you run the 203 on a base to see if it works there?
try changing jumper for a longer one or shorter one,,, i had a amp do same thing,, was told it was oscillation,,, but shortened jumper and it quit,,
Power is straight to battery terminals with 10A inline fuse battery side. Running a 3ft rg8x jumper. I don’t have a good power meter. I would like to test on my base however it’s an older cobra 142 gtl and I’m not sure what it’s putting out, don’t want to damage the 203.
The power is 12awg wire 8-9 ft. Seems to be debate on whether to ground to the body/floor or batt.
Word is in the Facebook CB rooms is that if it's the red 203 and you bought it on amazon its a knockoff, its not the real kl203. Amazon has since removed them...
Greg T
WDX-945 (Jazz Singer) Upper Peninsula of Michigan
Possible to have a cheesy coax and stray RF is bouncing around in the vehicle. Just for poops and giggles you can try looping the jumper and the antenna coax through RF beads.
