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  1. 73's de Edd

    Bird 43

    Sir Donald Henderickx . . . . . . . . and thats being HEAVEE on the DER and KX . . . I highly suspicion some sections of the old workhorse LM324 being used for your mystery I.C. Check this pin out, if it’s being a DIP package. You test all four sections by DC voltage monitoring of an...
  2. 73's de Edd

    Hp laptop adapter fail

    Sir pharaon . . . . . . . . OK here I am looking at this unit and starting a side by side working PCB side to FOIL side drawing comparison and you come up with your last info. I then add it to the bottom and identify your circled units, which you claim as working . . . . but being uncertain...
  3. 73's de Edd

    2 questions about speakers

    Comparing what you are thinking against what results that you will actually get . . . . Now you are going into pure insanity . . . . GET A SPEAKER !
  4. 73's de Edd

    Opto-couple Die burnt possible cause

    Sir Soddy . . . . . Sa-wat-dee kraup Measure from pin 1 to 7/8 of your STR and see if your internal power FET inside hasn't shorted. Also check on its side effect on R228. 73's de Edd
  5. 73's de Edd

    Power Supply for Car Radio

    Yeth . . . . . .
  6. 73's de Edd

    Power Supply for Car Radio

    . Sir Ben King . . . . . . . . Look just across the rear of the radio . . . . from our present area of interest, of the plug for the wiring harness . . . . there you should find a black doggle hanging there . . . . with its internal Motorola receptacle . Trace down its end connection going...
  7. 73's de Edd

    Power Supply for Car Radio

    . Sir Ben King. . . . . . . . With what you have shown us, looks like you are in luck, since this unit goes back to the 90’s and you did not show the presence of the deluxe, SEPARATE Power amplifier pack. Therefore . . . it must not have been pulled from an ‘ole Catarack, Rincon...
  8. 73's de Edd

    Bird 43

    .. Sir Donald Henderickx . . . . . . . .(and do we place major phonetic emphasis on the k or the x . . . or both ? ) Isn't that just being a standard “ BURD” Model 43 with an add on / mechanically supported board at the meter terminals ? Also, isn’t it using two 9 V batteries ? If being...
  9. 73's de Edd

    Remote Control

    Sir Riley RC . . . . . We can see that the unit was available for operation on the 27-40-49 MHz bands and you chose and have a matching 27 MHz set. The bottom Transmitter unit gets its RED and BLACK power connections plus the top antenna connection. The top Receiver gets its VIOLET antenna...
  10. 73's de Edd

    Identify smd capacitor

    Sir endruw. . . . . . . Oui . . . . . . .exactly Once that boo-boo is corrected, then there is the units REAL problem still left. 73’s De Edd
  11. 73's de Edd

    Troubleshooting QUV controller board/keypad interface

    Sir ppkjref . . . . . KEYPAD . . .contact breakdown http://i.imgur.com/oNKfUMH.jpg Needless to say, if you are loosing the WHOLE bottom string of contacts, you are loosing A connectivity somewhere down the interconnecting wiring line. 73's de Edd
  12. 73's de Edd

    Power Supply for Car Radio

    Sires . . . . . All Maxxxxed out . . .at VOLUMUS MAXXXXXIMUS . . . . it will be pulling 10 AMPS thru the 12VDC power wire coming into the radio. This, considering that you are additionally stomping the floorboard and keeing time to the music by beating on the dash. SPECS : 73's de Edd
  13. 73's de Edd

    Identify smd capacitor

    I do NOT think that it is a Zener diode. If even the tiniest bit of metal is left of the original leads, that would let you touch a test probe tip to them. And you can use the sharp corner of a single edged razor blade , or the tip of a # 11 X-Acto knife to dig out plastic to then re-access...
  14. 73's de Edd

    Identify smd capacitor

    Sir endruw. . . . . . . Say Whaaaaaaaaat . . . . Do you mean that this is what I would find inside one of those . . . small . . . hardly more than a few cubic inch square SNOW WHITE Apple chargers ; SHOULD a person initially, even be able to NON-DESTRUCTIVELY . . . extract its mini PCB...
  15. 73's de Edd

    Tutorial how to make a PCB at home

    Duly Observed . . . . . The REAL higher degree of sucess of your procedure , is your use of the slick surface of the SCOTCH packaging tape for the toner to be intermediately deposited onto. Full fledged . . . .card carrying members of the Peanut Gallery . . .please do duly note that he got...
  16. 73's de Edd

    Hard-wiring David Clark headset station to ICOM A110 radio

    . Sir Agent Airtac1 . . . . . . . . baggage collector . . . . ticket agent . . . . . and sometimes co-pilot This now gets all units information collected together between two shematics . Your last supplied wiring info has also been incorporated within the second schematic. Chicken Kit...
  17. 73's de Edd

    Hard-wiring David Clark headset station to ICOM A110 radio

    Sir Airtac 1 . . . . . . . You say . . . . Right now, there is a homemade 6-conductor cable? running from the David Clark 40380G-05 Headset Station. Does that mentioned cable connect into the D Clark at P1 / P3 / P4 connectors OR into terminal board TB1 with its 28 connection points. And...
  18. 73's de Edd

    Hard-wiring David Clark headset station to ICOM A110 radio

    Sir Airtac1 . . . . . . . . Key up Mission Impossible theme music . . . . . . Your mission . . . Agent Airtac 1 . . . . . should you accept it . . . . (Show closeup of Cinnamon . . . .) Is to initially check out the involved Tx and Rx paths which I have marked up for you as pale GREEN for...
  19. 73's de Edd

    Waterproofing A Remote Control

    Sir Nicolas Chalhoub . . . . . In my situation,I am having my electronics remotes, that I prefer to keep the cases oin pristine condition, plus no finger dragging is obscuring / erasing the markings of frequently used numbers or lettering. There is clear plastic shrink wrap made to use in...
  20. 73's de Edd

    Repair of Dewalt dcb101 battery charger

    Sir suppala . . . . . . . . Your 3 middle terminals are related to isolated battery voltage sensing and feedback to the charger. And somehow I still think that your battery voltage got so low on the pack that it was not responding. Indeed . . . . . now that you have connected right across the...
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