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  1. 73's de Edd

    Please help identify this variable resistor

    Sir hotrodjohn7 . . . . . . . With that rapid of a comeback . . .your secondary . . .nom du plume . . .should additionally be JumpingJackFlash. That unit turns out to be of circa 1977 vintage and would be expected to be solid state design and isolated from the AC line with a transformer...
  2. 73's de Edd

    Please help identify this variable resistor

    Thir hotrodjohn7 . . . . . . . .ohmiGawd . . I theem to have developed a lisp . . . If you will look through your pictures I believe that you that you will see that resistor R2 is not any too happy with the AC line connections scheme either ! What I seem to be seeing here is the inter...
  3. 73's de Edd

    Circuit diagram for Kenco singles drinks Machine

    Sir Quovadis . . . . . Which specific unit (s) are you dealing with ? https://www.google.co.in/search?tbm=isch&slpassthru=1&q=" Kenco " Coffee Vending Machines 73's de Edd
  4. 73's de Edd

    Identify part

    Sir Africangrey . . . .aka Phil . . . . Unless it’s being a SECURITY breach / or / compromise . . . why don’t ye give us ye olde brand and model number of your unit ? possibly View Sonic ? And . . . assuredly . . . . you’re opening the door to the WRONG parrot cage, as this unit should be...
  5. 73's de Edd

    Induction Stove Help!..

    Sir Electro tech Here is a ton of principles and operational concepts from an App note from S/T and at the very bottom of the page . . . a couple of other relevant papers from a fellow Indian. https://www.scribd.com/doc/19443502/Induction-cooker-circuit-design 73’s de Edd
  6. 73's de Edd

    Phone's car charger

    Sir pharaon . . . . . If you have 12VDC coming into the spring and tip Cig lighter adapter plug and then on past the 6Ω fusible resistor and also at the first filter capacitor; but with no reduced and regulated voltage back at the second filter cap, near to the USB port. Or with it going up...
  7. 73's de Edd

    VCLFO debugging

    Sir darren adcock . . . . . Reading this will fill you in on the complete power supplies aspects, plus the 1000 ma spec was for several units being tied into it, seems like your simple board would only see ~25 ma current pull . Sooooooo . . . . the shown power supplies degree of Blue...
  8. 73's de Edd

    Please Help Identifing Diodes In Old Boat Motor Rectifier

    Sir barryg . . . . . Your best rebuild quality / result would be to use the already suggested metal bathtub FWB unit, as your original one was not to well-balanced in its using the two different diode sets. We know that the cathodes of the two central Motorola diodes mounted to the copper...
  9. 73's de Edd

    Help finding a switch

    Sir Jbatts39 . . . . . Not knowing the mounting relationship position on the "ring" nor its size, how much BIGGER can the switch be, than the one being shown ? 73's de Edd
  10. 73's de Edd

    Yamaha psr e403 low sound output from speakers

    Sir samuel phillips . . . . . Be sure that your volume control is at max level, then try pin 1 of IC502 . . .then evaluate its volume level. If it oscillates to make a tone, see if decreasing the volume pot causes a shift in frequency and finally a no oscillation state, and the tone stops...
  11. 73's de Edd

    Connect several wires without relays?

    aka solid state relays . . . . . . . . But . . . . . initially check for having the proper . . . . . BULGE . . . . . in your full wallet.
  12. 73's de Edd

    Mystery Wiring, Need Help.

    Sir Derik Sabel . . . . . And how did he hook it up ? In yet a third manner, of the very-very simplest mode of taking the series winding and hooking the armature windings in series with it. Did the motor run direction come out OK ? . . .if it is being relevant ? This is just about how...
  13. 73's de Edd

    Mystery Wiring, Need Help.

    Sir Derik Sabel . . . . . My crystal ball had already glowed up and told me that he was wanting to use AC . . . . . PLUS the all empowering addition of UNIVERSAL, gave the additional Carte Blanc on the two options wiring scheme. I rapidly used a stock photo for the second photo on the first...
  14. 73's de Edd

    Anyone know what this is?

    The casing and hand applied, off color dots, reminds me exactly of units that were made by Varo, for use in their Starlight Nitescopes at that manufacturing timeframe. They used multiple series diode junctions internally and were very generous with underrating their breakdown specifications.
  15. 73's de Edd

    Mystery Wiring, Need Help.

    but . . .BUT . . .BUT . . . BUT BUT BUT . . . . . . I die-rectally qoute him as saying: " I purchased two 115v 5000 rpm ac/dc unaversal motors " . . . with my only questioning being of the "unaversal " . . .vice universal . . . . .aspect thereof . . . . Aside : A spotting of three words of...
  16. 73's de Edd

    Mystery Wiring, Need Help.

    Sir Derik Sabel . . . . . What we CAN'T see is the wiring color connections I can only see a RED and YELLOW. wire The two wiring options show at the left are the possibilities. Use an ohmmeter . . . . or visual inspection . . . . to confirm what is what. Then you check wires connections in...
  17. 73's de Edd

    Resistor ID help

    Sir Rastus . . . .Festus here . . . . I'm thinking that is being a 2A Resettable poly switch. Can you establish a shorted probes condition on your Fluke . . . .Duke . . . . in its low ohms mode and find the series loop resistance, and then measure the dee-vice and come up with its closest...
  18. 73's de Edd

    Comedy Thread

  19. 73's de Edd

    Looking for replacement Transformer

    Meester Burns . . . . . . . This is how one of their newer units is being made . . . . 73 de Edd
  20. 73's de Edd

    Comedy Thread

    Nope, just the normal holding protocol . . . . .IF . . you were using an ETCHING TOOL . . . . .
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