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Discussion in 'Radio Circuits, Repair & Performance' started by KB2LMN, May 28, 2019.

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  1. KB2LMN

    KB2LMN Ham Member QRZ Page

    ok I have an HR2510 that had some issues so I recapped it and removed, cleaned and checked all components that had the corrosive glue on them. I am still seeing the same issues, no display for the frequency but I can see the bar meter work to the left and the channel up & down buttons along with the frequency dial are inoperable. I am able to change channels via the microphone buttons. So now that I got past it not being a bad cap or corroded Component we’re should I start looking? I was going to lift D152 to check it but it cracked, now I don’t know if it was cracked or me desoldering it cracked it? So that’s on ordered for replacement. I also pulled D112 &113 and checked on Fluke, 112 shows .337 and OL and 113 shows .609 and OL. I don’t show power on either side of it but I believe it gets power from D152 so that will need to wait.
    Am I on the right path or should I be looking elsewhere? Any tips or suggestions?
  2. WB2WIK

    WB2WIK Platinum Subscriber Platinum Subscriber QRZ Page

    Sounds like you've spend a lot of time working on a 30 year-old rig that's worth about $100 today.

    Are you sure it's worth pursuing?
    WA7PRC likes this.
  3. K9STH

    K9STH Platinum Subscriber Volunteer Moderator Platinum Subscriber QRZ Page


    Do you have the factory service manual on the HR-2510?

    If not, contact me by E-Mail at

    k9sth (at) sbcglobal (dot) net.

    I have the manual, schematics, and board layouts in PDF and graphics files on my computer and can forward them to you. I also have an original "hard copy" but don't loan out hard copies anymore because they don't always seem to find their way home again!

    Glen, K9STH
    N8YX likes this.

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