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  1. 73's de Edd

    LED's that plug into 3.5mm???

    Sir JT03_X How about this possibility : You have some electronics that are installed such that tinted glass or a door covering them or they are too high or too low, such that an xmitted beam from a remote transmitter will not get to the IR sensors mounted within the fronts of the units...
  2. 73's de Edd

    What is the name of this cable?

    Sir O219 Tyler . . . . . Its just an ole Japonie '"Smack" connector indigenous to a series of these huge kluge full VHS cassette camcorders back in the 80s and 90s. RCA has changed hands at least three times, with a rats anal orfice chance in Hades of being able to find that connector any...
  3. 73's de Edd

    Help transformer not working

    Sir Nikolaus Moberly . . . Looks like either a boo-boo on either photo one or two could have opened the primary winding. Photo 3 looks like it’s having just two different degrees of side abrasions. If the two slide on terminals are reading open circuit between them with an ohmmeter you might...
  4. 73's de Edd

    Gould Classic 6000

    Sir FurnaceRocker . . . . . STRANGE . . .velly strange, . . as I put it on for FREE access on Scrib-d to any one and their dogs and 18 (or their dogs ? ) have already accessed it . Plus 3600+ others have successfully accessed info within my tech library. I just now tried it thru another...
  5. 73's de Edd

    Wiring of a radio's power supply

    Red wire needs to be removed, the yellow is OK, then you need to reverse the polarity of either the output of the FWB or the set of 4 individual diodes being used for building a FWB up. Just a moment . . . .BAM M M M M . . . a fast wave of the magic wand, along with an accompanying swirl of...
  6. 73's de Edd

    Hp laptop adapter fail

    You have two power FETs there I can't read for sure, if both are K3568's or K3569's or a K3568 and a K3569 . . . . I am certainly thinking that I am seeing one of both. Your good R100 should be a 10 ohm, check it out. 73’s De Edd
  7. 73's de Edd

    Wiring of a radio's power supply

    Sir Richard: Praise be to you ! . . . For your additional supply of a greater definition snippet of the 'ole Gloria units schematic. Simplified Power Supply Schematic: They used an INORDINATE number of LIKE dashed lines across the very bottom of the drawing with varied dashed markings...
  8. 73's de Edd

    Quiz buzzer system

    Sir AK Indeed the Neons are . . . . BUT ! . . . . . how could you lose it, it’s so easy to recreate in your minds eye. Plus I wanted no possibility of shockee-shockee hazard with kiddos. Le circuit . . . . The unit is initially set up in BRIGHT light with the applied B+ and brought...
  9. 73's de Edd

    Identify a trimmer

    Sir Edugimeno. . . . . I see board builds that use that PIHER brand trim pots that have made it 15000 mile across the waters to us. So it seems likely that YOU are right at their doorsteps, where you are. Your rotor hole seems to be either the R or B option on page 40. The real kicker might...
  10. 73's de Edd

    Quiz buzzer system

    For your further consideration . . . . . After a synapse firing within my rat trap memory cache. All was remembered ! Decades ago, the right revered and esteemed Charles Wenzel revealed this simple circuitry for also accomplishing, that electro-feat which you so desire. Its main appeal is...
  11. 73's de Edd

    Gould Classic 6000

    Hmmmmmm . . .its actually fully functioning now ? , as that button pushing sequence was used on the earlier Gould DSO400 for locking out the front control panel when using it in the plotter function, whose electromechanics were mounted on the top at the front of the unit. I don't think that...
  12. 73's de Edd

    Gould Classic 6000

    INTERJECTIONS . . . . . Mister Furnace man . . . . . Reference 3.30 pertains . . . as certainly this already found battery condition has befallen your unit, what with it having endured 3 HOT July-August scorchers, after having been cast aside and stored within the adjunct Harper Valley PTA...
  13. 73's de Edd

    Flyback frequency

    Sir pidja105 . . . I know that in my flyback there are rectifier That statement initially lets us know that we are dealing with either a TV or monitor related "flyback transformer" With a conventional TV transformer, it's designed for max eficiency in the 15khz freq spectrum, or the...
  14. 73's de Edd

    Quiz buzzer system

    Four 1.5 Alkaline cells . . . . . for a year + run time its kid pruff . .and SHOCK pruff..
  15. 73's de Edd

    Gould Classic 6000

    Sir FurnaceRocker . . . . . For a starting from the beginning . . . . you will find the operators manual in my digital library storage @ https://www.scribd.com/document/345216783/gould-classic-5000-6000-9000-datasys-7000-operator-manual ( Hint . . .this a here 'taint involvin 'yer 'tipacull...
  16. 73's de Edd

    By-pass cooker clock

    Nope . . . . that only confirmed my VERY first info that the connecting of that pair activates the oven proper. Need the other requested photos to see WHAT a blind-deaf-and dumb person, that I currently am being on this end, can then analyze to get all working again.
  17. 73's de Edd

    Samsung TV

    Ad continium . . . . Sending praise your way . . . .we now DO know that the relay on the unit is now back to being good by virtue of replacement . . . performed with surgical quality of workmanship . . .we hope. We know that the standby power supply is functioning . . .by virtue of that relay...
  18. 73's de Edd

    Samsung TV

    Its not that I'm up to well above my head in piled up SAMSUNG schematics of YOUR/ THAT unit, but instead, I'm up to the soles of my feet . . . . .but still researching on / for it. This is my only TV And a vewy-vewy-VEWY-VEWY expensive Tee- Wee it was !
  19. 73's de Edd

    Repair of Dewalt dcb101 battery charger

    I believe that if you use a 220V incandescant type it will work also, but just come to a red glow on 110 input instead of its normal brilliant brightness on 110.
  20. 73's de Edd

    What is this device?

    Methinks . . . . . AFTER you show the boards other side and the involved components, surely it will show THIS to be a superregenerative RECEIVER circuit and its adjunct decoding IC. With the four sets of driver transistors on top . . . being used to UP its power handling / interfacing...
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