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galaxy dx959 mosfet lost recieve

J

jef

Member
Mar 3, 2013
32
5
18
I was transmitting on am with a wilson 5000 antenna ,swr was 1.3 all was fine till i lost am transmit.Went to sideband mode and transmitted fine for a few minutes then lost recieve audio and sideband transmit all at once .I replaced q54 and q55 and now i have am transmit and sideband transmit and the meter shows rx but no audio out of speaker or ext speaker pa works great too alway did .I need to know what to look at and mabe voltages to check to get my recieve audio back.Cant see any traces burnt or any visual problems.Also the squelch does seem to work and there is very little low static coming from speaker.Meter is showing recieve.
 

jef said:
I was transmitting on am with a wilson 5000 antenna ,swr was 1.3 all was fine till i lost am transmit.Went to sideband mode and transmitted fine for a few minutes then lost recieve audio and sideband transmit all at once .I replaced q54 and q55 and now i have am transmit and sideband transmit and the meter shows rx but no audio out of speaker or ext speaker pa works great too alway did .I need to know what to look at and mabe voltages to check to get my recieve audio back.Cant see any traces burnt or any visual problems.Also the squelch does seem to work and there is very little low static coming from speaker.Meter is showing recieve.
Click to expand...
The 2sa1869 transistor was bad but the 2sb827 checked good but i replaced it anyway,forgot to mention i also replaced i believe it was q37 that was a 2sa1869 replaced with a 2sa473 i did all this and that is when i got transmit back . Please help me get recieve.
 

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  • @ BJ radionut:
    +1
  • @ heartbreaker3473:
    Hello gentlemen and Ladies. I have the dreaded RCI-2990 receive issue where my radio gets distorted when people get close to my location. I found the C90 Capacitor, but I can not for the life of me find the C89 capacitor. Can or does anyone have a picture of the exact location of C89 ? Thank you in advance, Wes
  • @ AudioShockwav:
    Wes, it's better if you start a thread on the main forum, more people are going to see your question.
  • @ heartbreaker3473:
    Okay, sorry, will put in a forum
  • @ heartbreaker3473:
    I put it in the general disscution help area and started a new thread. Thank you for letting me know.


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