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  1. pharaon

    help in fixing national panasonic stereo model RX - F80 - 2

    73's de Edd will you help me to make it run as Radio?
  2. pharaon

    help in fixing national panasonic stereo model RX - F80 - 2

    its true but tape unit dos not work i guess some thing wrong with it's motor i redone the test again with switch switched to radio there's a short Between + of the A capacitor And D ,E, 2 there's a short between where the RED battery connector wire is currently soldered onto the PCB and D,E,1,2
  3. pharaon

    help in fixing national panasonic stereo model RX - F80 - 2

    when i put multimeter to 200m C+ - B+ = 00.9 //// C+ - A+ = 00.9 //// B+ - A+ = 00.9 Direct coonection between A+ and D i tried it any way there's short between where the RED battery connector wire is currently soldered onto the PCB and E - F - 2 - 3
  4. pharaon

    help in fixing national panasonic stereo model RX - F80 - 2

    how can i measure it??? my multimeter resistance scale is 200 - 2k -20k-200k-2m-20m-200m but when i put the multimeter connectors on the A+ or B+ or C+ numbers keep changes till it become 0 is there away to measure it?
  5. pharaon

    help in fixing national panasonic stereo model RX - F80 - 2

    no there is not they are connected together what do you mean?? the 3 capacitors have the same values 470 uf / 6.3 v
  6. pharaon

    help in fixing national panasonic stereo model RX - F80 - 2

    here is the pic
  7. pharaon

    help fixing netgear switching adapter

    i fix it thanks every one
  8. pharaon

    help fixing netgear switching adapter

    R18 = 1.7 K
  9. pharaon

    help fixing netgear switching adapter

    i did and it work just fine although its 12v but 0.5 A
  10. pharaon

    help fixing netgear switching adapter

    the electricity went off suddenly and since then the router keep rebooting the output volt now is : 13:90 current 5.2 i think it should be 1 A any one have an idea how to fix
  11. pharaon

    help in fixing national panasonic stereo model RX - F80 - 2

    im Egyptian and my primary language is Arabic i'll provide you with all the picture you need and thanks you in advance for yu help
  12. pharaon

    help in fixing national panasonic stereo model RX - F80 - 2

    73's de Edd that's the unit i have it's 1.5 two cells battery now the Walkman wont work on battery because miss attaching the power wire i would like to know where the right place to attach it the headphone jack it the one to the left
  13. pharaon

    help in fixing national panasonic stereo model RX - F80 - 2

    i wish to run it at least as radio but i guess the power wire are connected to the wrong spot hope some one can guide me to the right place for the power wire connection spot
  14. pharaon

    Help in making LED lamp

    i was just trying to understand the idea not to create one i can tell what he was saying in the video he says the earlier led lamp had adapter which cause some heat but in this one it doesn't have adapter at all..all what it contain is some Led and 4 diodes and two resistance and two...
  15. pharaon

    Help in making LED lamp

    i mean what was the idea to make this led work on 220V without adapter
  16. pharaon

    Help in making LED lamp

    is there any tutorial on how to make Led lamp work on 250 V without adapter like in this video
  17. pharaon

    capacitors instead of rechargeable batteries

    is it possible to use capacitors instead of rechargeable batteries ? if so then how can it be done
  18. pharaon

    FM modulator light only and no transmitting

    i know what is amperage but didn't know it called current sorry
  19. pharaon

    FM modulator light only and no transmitting

    well I'm new and all what I want is to learn any thing about circuit so right now I don't have specific circuit or electronic products I prefer. I used to fix transistor radio, iron, chargers, speakers, such a simple circuit I want to learn more
  20. pharaon

    FM modulator light only and no transmitting

    what do you mean with current? and do you think I should start new topic for learning?
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