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Thread: Kenwood TS-430s problems

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  1. #1
    Join Date
    Jan 2008
    Location
    Waukesha Wisconsin, Just West of Milwaukee
    Posts
    3

    Default Kenwood TS-430s problems

    HI , am a recent tech licensee and as I prep for taking the General, I picked up a sick Kenwood TS-430s to fix. Its been about 25 years since I did any serious electronic tech work and wondering if anyone can point me in the right direction. Previous owner reported no trans output and back of unit getting very hot., with recieve fine. Set up rig on 12v wet cell to test
    receive and recieved well and entire back of unit got very hot .
    Still continued to receive well and temporary power leads did not get warm.
    Know this question is a bit premature, but as I try and wake up some under used diagnostic brain cells does anyone have any suggestions
    Thanks Mark V / Kc9MSN
    Ps. 12v Battery was fully charged and heat up of panel only took perhaps 5-6 minutes Very hot to touch

  2. #2

    Thumbs up

    Mark -

    I heard a similiar coversation (TS-430 not working) on 40 meters this afternoon.

    You actually have a very good tech (Miles) at AES Milwaukee on Good Hope Road.

    However, if you want to go somewhere else ...
    I would recommend a phone call to either Clif Holland, WA5IPF at Avvid (Texas)
    http://www.avvid.com/

    or Bill Leahy, K0ZL at B&B Technical Services (Colorado)
    http://amateur-repairs.com/

    Bill's "Full Monty" treatment for used "unknown condition" TS-430 radios
    http://amateur-repairs.com/FULL_MONTE_TS-430.htm

    w9gb

  3. #3
    Join Date
    Mar 2006
    Location
    Newcastle, NSW, Australia
    Posts
    2,845

    Default Probably Finals

    There is a known problem with the finals in these; it is well-described here;

    http://www.g3ynh.info/commercial/TS430.html

    I've done two of these repairs. Not too difficult, just not much spare room to work in.

    I haven't encountered the "heatsink-getting-hot" symptom, though; perhaps a shorted transistor or heat-sink insulator.

  4. #4
    Join Date
    Apr 2001
    Location
    Southern Wisconsin, EN52
    Posts
    6,207

    Default

    Quote Originally Posted by w9gb View Post
    Mark -afternoon.

    You actually have a very good tech (Miles) at AES Milwaukee on Good Hope Road.


    w9gb
    OMG, I have not been back to AES in about a year or so.

    Miles is, and always was, a great guy, and a great tech....But are you sure he is still THERE...I am 104 years old, and he was going to retire when I first MOVED to WI in 1927.....

    Frank
    "Clear intent is the best predictor of experience"

  5. #5
    Join Date
    Jan 2000
    Location
    Indiana
    Posts
    4,970

    Default Aes Mke

    Miles IS still there ... great personality to boot.

    As is Clif at Avvid..

  6. #6
    Join Date
    Apr 2001
    Location
    Southern Wisconsin, EN52
    Posts
    6,207

    Default

    Quote Originally Posted by W0LPQ View Post
    Miles IS still there ... great personality to boot.

    As is Clif at Avvid..

    Great, Miles has always been a gentleman, and has always been up front and honest.

    Frank
    "Clear intent is the best predictor of experience"

  7. #7

    Smile

    Miles is, and always was, a great guy, and a great tech....But are you sure he is still THERE...I am 104 years old, and he was going to retire when I first MOVED to WI in 1927.....
    Frank
    Frank -

    Valid question. I have been dealing with AES Milwaukee since 1970s when I was a Technician and Klaus Radio in Peoria, IL was fading in late 1970s as an amatuer radio dealer. Terry, W9DIA was usually around - when he was not flying somewhere!

    When I was in the store November and saw this posting:
    Wanted: Electronic Technician to service Amateur Radio equipment. Should have license, 2 years technical school and service bench experience. Benefits. If you are interested, or know of anyone who might be interested, please contact our Store Manager in Milwaukee, between 9 and 5:30 Central Time.
    My first question to staff was: "Miles finally retiring?" Which they smiled and said .. not likely

    Nope, Miles Cundy still there -- but they are looking for more help!

    w9gb

  8. #8
    Join Date
    Jan 2008
    Location
    Waukesha Wisconsin, Just West of Milwaukee
    Posts
    3

    Default

    Thanks guys, Really appreciate the input and links. I'll look over the links first and see if anything seems to make sense and if not AES is only about 30 min. from my home
    Many thanks , 73 Mark V / KC9MSN

  9. #9
    Join Date
    Jan 2006
    Location
    Displaced
    Posts
    249

    Thumbs up Good video...

    In case you have not found it yet...
    This was posted to the TS-520_820_530_830 yahoo group and may help you:
    Kenwood TS-430S maintenance and adjustment.
    http://video.google.com/videoplay?do...00571427545969
    Good luck

    Bill
    There is no dark side of the moon really, matter of fact, it's all dark.

  10. #10
    Join Date
    Jan 2008
    Location
    Waukesha Wisconsin, Just West of Milwaukee
    Posts
    3

    Default

    Thanks Bill , No I had not found that link yet . Lots of good info!

    Thanks again Mark V


    __________________________________

    and everything under the sunis in tune, but .... the sun is eclipsed by the
    moon

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