Kenwood TS130

Discussion in 'Radio Circuits, Repair & Performance' started by N9ZDZ, Nov 9, 2019.

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  1. N9ZDZ

    N9ZDZ Ham Member QRZ Page

    I traded for this radio and it came in today the RX is good but when I key it up it . It has a carrier on ssb wheres a good place to start looking ? I have turned the carrier down with the knob all the way but still have it .
  2. KB7WG

    KB7WG Ham Member QRZ Page

    Can you get full cw power out into a dummy? You will need to maintain 13.8 while testing.
  3. N9ZDZ

    N9ZDZ Ham Member QRZ Page

    yes but only on 80 meters when I test the other bands the output drops to almost nothing on 10 meters thinking I might just sell it and let someone else take a crack at it
  4. KB7WG

    KB7WG Ham Member QRZ Page

    Doesn't sound good......seems like a Kenwood mechanic is needed.
  5. W5RKL

    W5RKL Ham Member QRZ Page

    Assuming there are no other problems, that could be a Carrier Suppression adjustment issue, Step 25, page 38, in the TS-130 service manual's
    alignment section, step 25. Be sure to read step 25 BEFORE you attempt the Carrier Suppression adjustment.

    If you don't have the TS-130 service manual, you can download it from my website. Click the following link to download the service manual.

    Mike W5RKL Moderator
  6. N9ZDZ

    N9ZDZ Ham Member QRZ Page

    Well I ended up selling it
  7. KK6VQK

    KK6VQK Ham Member QRZ Page

    Heh so I bought it! Here's what i found:

    * the carrier suppression needed adjusting - VR5 on the AF-GEN board was way off and there was too much carrier in the mix and not enough signal.
    * ALC needed adjusting - it was trying to put out 150W! Oops.
    * L1 on the RF board was black. super black. It's a dead short of charcoal, making the radio pretty deaf. S9 signals showed up as S0-1. I replaced L1/L2 and checked the rest of the receive path into the BPF - all checked out fine.

    Now it's working great! Thanks! It's as sensitive as any other kenwood in my collection and it puts out 100w/80w as appropriate. I've even had a QSO on 75m a couple days ago and was complimented on it.
    WA7PRC likes this.
  8. N9ZDZ

    N9ZDZ Ham Member QRZ Page

    Good job
  9. KK6VQK

    KK6VQK Ham Member QRZ Page

    THanks! I've been looking for a TS-120 or TS-130 to pair with a TS-660 to complete that era HF/6m setup. The TS-660 is a QRP 15-12-10-6 radio so it's only going to be doing 10W on those bands, but it's enough when E is open!
  10. N8YX

    N8YX Ham Member QRZ Page

    I have a TS-130V to pair with my TS-660. That combo is a lot of fun.
    N9ZDZ and KK6VQK like this.

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