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Tuning Cobra 75 WX ST Radio: Step-by-Step Guide, Comparisons to Normal Box Radios, Photos Included

teamxtreme 9839 8
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Treść została przetłumaczona polish » english Zobacz oryginalną wersję tematu
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  • #1 7337011
    teamxtreme
    Level 10  
    Hello.

    For more than two years, I've kept the radio in a drawer and I do not have time to tune it in, and they do not want to do it in local websites.

    In connection with this I have a question, is the radiosko deviating from those in normal boxes, apart from the general construction?

    I attach photos for better case recognition. For those who are not oriented, I will add that the radio is in the ;)

    Tuning Cobra 75 WX ST Radio: Step-by-Step Guide, Comparisons to Normal Box Radios, Photos Included Tuning Cobra 75 WX ST Radio: Step-by-Step Guide, Comparisons to Normal Box Radios, Photos Included Tuning Cobra 75 WX ST Radio: Step-by-Step Guide, Comparisons to Normal Box Radios, Photos Included Tuning Cobra 75 WX ST Radio: Step-by-Step Guide, Comparisons to Normal Box Radios, Photos Included
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  • #3 7337105
    teamxtreme
    Level 10  
    I have not tried to tune the radio yet. I wanted to know, preferably from people who have already radio this how to do it best so that later there would be no problems with the operation. Thank you for sending the link, if no one else shares their comments, I will use the description that was posted there.
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  • #4 7337653
    maylo
    Level 26  
    Kolego 2 X throttle 30-40 ?H (for each leg after one) to quartz 4 mhz (4.5 mhz - I do not remember what exactly there is) further the rest must be adjusted with a trimmer to accurately tune in "0". Nothing to 10.240 I did not add but it is possible to add 15 pF.
  • #5 7338988
    SP8JUX
    Rest in Peace  
    This CB is made on two plates, the top and bottom are connected by a multi-contact socket which I marked with red.
    Tuning Cobra 75 WX ST Radio: Step-by-Step Guide, Comparisons to Normal Box Radios, Photos Included
    You have to solder the upper plate, remove it, and connect the whole with a service connector. On the lower board you have a processor and jumpers you can set "zero".
  • #6 8063370
    raszej
    Level 11  
    Hello,

    I have the same radio and therefore I have a question: What is this service plate?

    Greetings.
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  • #7 8063415
    SP5ANJ
    Rest in Peace  
    raszej wrote:
    I have the same radio and therefore I have a question: What is this service board?

    This is not just a service connector like SP8JUX :
    Quote:
    and connect the entire service with the
    connector

    The service connector is used to connect two boards with elements into one unit, so that the radio works properly and could be repaired or modified.


    Greetings.
  • #8 9386699
    baladeza0
    Level 11  
    Hello
    Where are the jumpers, because I do not see them?

    Moderated By c2h5oh:

    3.1.19. (13) It is forbidden to publish entries in archival discussions.

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Topic summary

The discussion revolves around tuning the Cobra 75 WX ST radio, with users sharing insights and methods for optimal tuning. The original poster seeks guidance on tuning the radio, comparing it to standard box radios, and mentions difficulties in finding local assistance. Responses include links to tuning guides, technical adjustments involving capacitors and trimmers, and details about the radio's construction, including a service connector and jumpers for configuration. Users emphasize the importance of proper soldering and adjustments to ensure functionality and performance.
Summary generated by the language model.
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