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vswr's latest activity

  • vswr
    vswr replied to the thread Cobra 142 GTL.
    Better shot. Ive since cleanedvoffvthat blob of solder and flux. See the small square?
    • 1000023474.jpg
  • vswr
    vswr replied to the thread Cobra 142 GTL.
    There appears to be some sort of diode with what looks like a SMD diode hooked to it. Its on the right side of this crystal. Image might...
    • 1000023484.jpg
  • vswr
    vswr replied to the thread Cobra 142 GTL.
    I think it does. I removed one side and didnt notice any changes
  • vswr
    vswr replied to the thread Cobra 142 GTL.
    I replaced it twice. It tests good on the bench. Early days into this project. I even swapped out the trimmer for a higher pf then went...
  • vswr
    vswr replied to the thread Cobra 142 GTL.
    Im wonderingnif thisvradiobwhich had uppers and lowers also got broadbanded? There is a disc cap soldered accross avcut run that has...
  • vswr
    vswr replied to the thread Cobra 142 GTL.
    Grasping at straws here. How about the channel switch? Could it be a cause ofvthe shift? Although when I did my data tests, the highs...
  • vswr
    vswr replied to the thread Cobra 142 GTL.
    Yeah. I saw it on the schematic. Is there a varactor inside of it? Looking at the schematic, I see where L13 hooks up to it. Im...
  • vswr
    vswr replied to the thread Cobra 142 GTL.
    UHI007. What is that the part number of something? Edit: I see it on thecschematic. I'll have a look at the circuitry.
  • vswr
    vswr replied to the thread Cobra 142 GTL.
    Yes. The voltage changes. Going by the sams im supposed to lock in at 5v but i remember mentionning that it woudnt lock into anything...
  • vswr
    vswr replied to the thread Cobra 142 GTL.
    Clarifier hard right
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  • vswr
    vswr replied to the thread Cobra 142 GTL.
    Slug resting on can.
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  • vswr
    vswr replied to the thread Cobra 142 GTL.
    Pardon the bad leds. Its 38L.
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  • vswr
    vswr replied to the thread Cobra 142 GTL.
    My bad. The TX and RX are both off by 10k. This leads me back to L13 and its associated circuitry. D36, lsb, 19, center is 3.21v, left...
  • vswr
    vswr replied to the thread Cobra 142 GTL.
    Thats exactly why I removed the open clarifierbmod and put the radio back to factory. To isolate the rx and TX. I will take a few...
  • vswr
    vswr replied to the thread Cobra 142 GTL.
    The anode is giving me .56 volts. The cathode is 3. 3 volts rx and tx is 3.7. I checked some components today and they are all good...