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ICOM IC-7000 not transmitting in 2 meters

Discussion in 'Radio Circuits, Repair & Performance' started by WP4RDO, Oct 15, 2019.

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  1. WP4RDO

    WP4RDO Ham Member QRZ Page


    Recently I bought a used ICOM IC-7000 on E-BAY. Almost everything in the radio works as it should, but, the radio is not putting out any power in two meters (144 to 148). Yet, if you tune it between 148 to 155 is putting between 25 to 35 watts out. I did a reset on the radio several times, but I keep getting the same problem. I think the past owner did a modification to transmit out of band, (maybe for MARS/CAP?), but being the stock setting, the two meter section should be working fine. Just in case I checked out SWR and is between 1.3 and 1.4, PL-239 connectors and cable are new. Any ideas anyone?. Oh, and I also checked the power supply and it is at 13.8 volts/35 amps. I even cleaned the fuses. Am I missing something?
  2. KA5IPF

    KA5IPF Ham Member QRZ Page

    Check into a good dummy load.
  3. ND6M

    ND6M Ham Member QRZ Page

    The MARS/CAP mod affects all bands, HF/VHF/UHF
  4. WP4RDO

    WP4RDO Ham Member QRZ Page

    I've done the checkup with the dummy load...the same.
  5. WP4RDO

    WP4RDO Ham Member QRZ Page

    And I just reset the radio and still the same...:(
  6. N9ZDZ

    N9ZDZ Ham Member QRZ Page

    sounds like to me something may have been turned I would undo the mars mod and check those ribbon cables

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