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  1. 73's de Edd

    Ground Zero amp help!

    Sir Mafioso . . . . . . .( Now do Finns even have mafioso . . . or are you an Italian import ? ) INITIAL OBSERVATIONS: On the left half of the schematic you have two separate PWM switching supplies and the related two toroidal transformers of each. Then a couple of secondary windings and...
  2. 73's de Edd

    Low cost (single ended) soldering pins?

    Do these AVAILABLE CHEEEP break apart strips provide enough board separation? . . . . . . in looking at your photo, it seems that it does...
  3. 73's de Edd

    Futaba 9-bt-26

    What is being the fault found on the display on the unit? No display at all ? A missing digit? Missing segments? Dimmness of display? Since some or all of these could be attributable to a circuitry fault feeding into the display proper. Mettler AE balance Model number of that unit ...
  4. 73's de Edd

    Futaba 9-bt-26

    http://www.ebay.com/itm/9-BT-28ZA-Futaba-Nixie-Era-7-segment-RARE-VFD-Tube-Clock-Calculator-9BT28ZA-NEW-/253082186410?hash=item3aecdfb2aa We know that the 9-BT- prefix for the number of digits agree,but, how about that 28ZA aspect now? These / this may be the only OEM unit(s)left on this...
  5. 73's de Edd

    Whirlpool control board Ivensys L1373

    Sir brians2005 . . . . . . This write up is being related to only one of the units motors. Can you initially locate R 019, with it being almost dead center of the schematic, and set up two connected test clips so that it will then be able to short them out, at a just later test.. You...
  6. 73's de Edd

    Help with a flashbulb project

    Most Honnable Jaydek . . . . . In my choice of a translation site, for the text, it overlaid the lines in MANY places making it unreadable.. Soooooooo which of the pics that I have shown is the way that you have it hooked up and it is properly lighting the LED for you? Then you use the...
  7. 73's de Edd

    Circuit board wire connectors question

    Sir Tulsa299 . . . . . On what has been shown in the photo I am certainly not seeing any ‘lebenteen (11) meggling-hurtz signals being transferred between connectors. Plus the Union Jack alphanumeric displays do not reek of needing multi ampere current carrying capacity. AND its using...
  8. 73's de Edd

    Touch sensitive antique radio volume knob

    Sir Eric Wells . . . . . OK . . .then, can you confirm that the same, volume shift effect, is also produced when you touch another control shaft. or even when you press a wet thumb into the chassis proper. Also . . . do you happen to have a paper or poly or disc ceramic capacitor that is...
  9. 73's de Edd

    Please Help To Identify

    Sir Josiah70 . . . . . Considering the somewhat hefty weight and the mass of that toroidic inductor, along with the area / compartment being found within. Is there now a possibility that the unit had either been subjected to rough and severe vibration, or even experiencing a HARD drop? Or . . ...
  10. 73's de Edd

    Touch sensitive antique radio volume knob

    Sir Eric Wells . . . . . Back in that units days, they expected the use of both a ground and a long wire aerial / antenna wire. Your touching of ANOTHER controls shaft should also be producing a like affect. If it has the old original power plug with it's identical sized blades, you reverse...
  11. 73's de Edd

    Lead acid battery

    If DG is a diesel generator that would have to be for the very high initial current draw created by the starting up of the starter motor in order to get it up to cranking speed, along with the additional strain of the compression load of the diesel motor until it starts up. Take yourself on a...
  12. 73's de Edd

    Mimic a Type 80 rectifier tube

    Second request . . . What is the brand and model number of the set. If it was 4 tubes . . .including the rectifier . . . it certainly wasn't much of a set to begin with.
  13. 73's de Edd

    Help identifying unknown component (SMD Diode?)

    I'm not seeing any foil path on the viewable side shown . . .excluding the groundplane . . .that is being 18 amp worthy. Otherwise that seems to be one hefty Littlefuse TVS diode, in SMD casing, with AFT's house numbering on it and should read open circuit. And if its working with automotive...
  14. 73's de Edd

    Old colour CRT TV only displaying black and white!

    Sir Finndersen . . . " independent R/G/B knobs on the electron ray gun board" Set those controls BACK to where they initially were and having the set producing a proper black and white grey scale. Assuming that you are using a chan 3 or 4 RF signal coming into the set. Tune in a broad cast...
  15. 73's de Edd

    Bosch Cordless Drill GSR 12-2 Charger testing

    Sir bushtech . . . I think that I have that very same Power 1 block . . somewhere ? in storage . Place it at full 17 VDC output and insert a current limiting ~5 watt 47/50 Ω resistor in series with its + output lead and connect to the battery using clip leads and check on it initially to...
  16. 73's de Edd

    Magnifying lens help needed pls.

    Sir Terry01 . . . . . I have the Bausch and Lomb rectangular . .~4x6 . . . in rectangular hand held magnifier unit with its little inset additional magnifier. I have two strengths of the jewelers eye loupes, I have ~ 3 inch diameter dual lens sets, pulled from previous big screen TVs of mine...
  17. 73's de Edd

    Help identifying this?

    A portable HARDLY DRIVE ?
  18. 73's de Edd

    Hello, Welcome! (Introduce yourself)

    HEY ! Fffyyyss . . . . . ( Pronounced . Fffyyy . . . . as in FINE . .ss as in S EE. . . . . . . . . . Eee ddd ddd here. How long do you think that it will be, until you get your third s ?
  19. 73's de Edd

    Please Help To Identify

    Sir Josiah70 . . . . . All of our Lifesavers are white, mint flavored, and yours might have more or less turns of wire, also being of a different wire gauge PLUS it is not having a broken core, as this one does. We call our unit a toroid. But its typically not specifically related to...
  20. 73's de Edd

    Identifying and replacing diodes??

    Sir BlueC . . . . . . " Hatachi Power board " Soooo . . . . that information is just about as broad, useless and general model specific as " I gots this heres "Ford" . . . . that I am having trouble with. Just looking thru diodes . . . . no info on the cryptic LT6SB5. The SF5 aspect could be...
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