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Search results

  1. sp5it

    Distorted Receive on NorthStar 990v

    I had plenty of radios older thatn 40 years, and never had to replace all capacitors. Sometimes a few faulty ones, but after diagnosis, not a coin toss. Anyway... @OP check AGC. Mike
  2. sp5it

    Distorted Receive on NorthStar 990v

    What is next step if after recap is no difference? Isn't it better to diagnose before blindly replace radio components? Mike
  3. sp5it

    How can I Tune a stock radio?

    You can't polish a turd. Leave it as it is. Mike
  4. sp5it

    New version Icom IC-7300 MK2

    That's interesting... Bitching about direct sampling in 7300, but no one cares, that most of the 2/70 radios nowadays are even worst SDR's. Mike
  5. sp5it

    New version Icom IC-7300 MK2

    Sorry guys, but external monitors without touch are useless. Mike
  6. sp5it

    New version Icom IC-7300 MK2

    No longer manufactured. And they started with 7851 before SDR era. Mike
  7. sp5it

    New version Icom IC-7300 MK2

    Frankly speaking (IC-7610) only OVF issues I had sporadically with OTH radar transmitting on nearby frequency, or while listening BC band with huge, over +40dB signals. In that case 6dB att does the trick. But first: https://www.qsl.net/ab4oj/icom/ic7610/gainmgmt.html I run high gain, narrow...
  8. sp5it

    New version Icom IC-7300 MK2

    Only if you do not know how to use direct sampling SDR :) Mike
  9. sp5it

    Quality dynamic replacement mic

    I usually replace dynamic with electret. Resistor/cap inside radio and problem solved. Mike
  10. sp5it

    321 dallas passed away?

    Maybe someone live nearby? https://www.qrz.com/db/KI5AYC
  11. sp5it

    Amazon? eBay? Temu? AliExpress?... which one are you using the most?

    Aliexpress. Amazon, ebay too expensive for the same gear. Mike
  12. sp5it

    HR2600 faded display

    I would check +5V leg 6 and 33 of IC502
  13. sp5it

    HR2600 faded display

    All elements equally faded?
  14. sp5it

    Charging Lifepo4 battery.

    How you gonna control CC/CV stages? Better get proper charger. Mike
  15. sp5it

    Galaxy DX-2547 Parts

    It is a tuned coil. You have to open it, count turns, then rewind with the same wire size.
  16. sp5it

    Galaxy DX-2547 Parts

    From another radio. I would try to rewind it if not massacred too much. Mike
  17. sp5it

    New DXCC for me yesterday....

    Congratulations. Always a thrill when working new one. Mike
  18. sp5it

    Replacing RM Italy KL-203P blown transistors with IRF 520's?

    530's are better, but if you have 520 just replace.