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  1. T

    president HR2510 high swr spikes

    alright went through and ordered the capacitors to change out c112 c114 c115 c116 and c121 will be a little while before i get them
  2. T

    president HR2510 high swr spikes

    my l136 toroid doesn't have glue on the leads only on the edges on the front and back holding it in place
  3. T

    president HR2510 high swr spikes

    what voltage rating should i use when replacing any of the capacitors mentioned above
  4. T

    president HR2510 high swr spikes

    Can you tell me what value those are
  5. T

    president HR2510 high swr spikes

    So just replace the caps then?
  6. T

    president HR2510 high swr spikes

    Oh alright thanks thought i was going crazy
  7. T

    president HR2510 high swr spikes

    Just tryed removeing the screws to the main board and still has a short so i removed the synthesiser board and short was still there so i rwmoved the screws to the final driver and pre driver one at a time and moved them back a little so they werent touching the chassie and short was still there
  8. T

    president HR2510 high swr spikes

    Was just playing around with it and took a multimeter set it for continuity with sound and ran one probe into the antenna socket and the other around the ground side the the so 239 jack and there was continuity so there is a definute short to ground somewhere dont know if the disk caps would...
  9. T

    president HR2510 high swr spikes

    Yeah i beleave its the radio itself ive had 6 other radios plugged intonthe antenna each one worked fine with no swr issues
  10. T

    president HR2510 high swr spikes

    Is there any electrolytic caps that could cause these same issues if the mica insulator dosent work
  11. T

    president HR2510 high swr spikes

    How much do i use and what kind i have some artic silver used for pc cpu and the cooler will that work?
  12. T

    president HR2510 high swr spikes

    So when i put the insulator in dont i still need the thermal paste?
  13. T

    president HR2510 high swr spikes

    Can you point me to some replacements or the right mica insulator to use been trying find them but cant and do those caps have a certan way they need to go like a electrolytic?
  14. T

    president HR2510 high swr spikes

    There are two ceramic caps comeing off the middle leg on either the driver or final would would those be a reason for this one of the legs broke off and a resolderd it but not sure if that could cause this the issues was there before hand
  15. T

    president HR2510 high swr spikes

    correction if i speak into the mic on the antenna on ssb i do get audio but only if i speak quietly if i speak a little louder it cuts out and the swr jumps also the audio i do get on ssb doesn't sound great and even on the dummy load there is almost no audio in ssb
  16. T

    president HR2510 high swr spikes

    i have a president hr2510 am and fm seem to work ok i get a little over 10 watts on my mfj 941e tuner meter. but on ssb on a dummy load as soon as i speak into the mic the power goes out but the audio cuts out(on another radio i'm using to monitor it) but when hooked to a antenna on ssb whenever...
  17. T

    robyn 510d no tx low rx on lsb

    Ok so its been running about hour and a half now and no issues at all seems that was the issue. But is there a am crystal i can change out the recieve on am seems a little weak?
  18. T

    robyn 510d no tx low rx on lsb

    Yeah i think the crystal was the issue. My dad kept a bunch in a pyle feom old radios found one in there put it in thing has been going for 20 minutes with no issues whitch dident happen before im going to leave it on for about an hour or so if it dosent do it again i will say that was the...
  19. T

    robyn 510d no tx low rx on lsb

    Anyway to bypass the mode selector switch. What capacitors can i use to replace the tantalum capacitors i know c179 is a 2.2uf but i dont know if the rest are the same?