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  1. 73's de Edd

    UHF receiver issue

    Sir docers . . . . . . {Start 144 point font size} WHY FOR ? {End 144 point font size} You no give brand and model number . . . . After a GOOGLE image search ,I did finally find a wireless mike using this HIGH techology . . .as...
  2. 73's de Edd

    My lamp dimmer has a flicker when on low.

    I'd say that would do it. With the lamp in the present position its variable resistance and its shift, is screwing with the R1 VR1 voltage sourcing.' With it in the triac A1 leg its isolated.
  3. 73's de Edd

    Arcam Solo Mini - dead CD player

    OH TAY ! . . . . . . .dogbert . . . ( my kinda guy) Going back to your provided Pee Dee Eff . . . . which I am surprised as being so readily available. BUT with their QUITE skimpy image creation and resultant low STORAGE bit count, resulting in the images being quite BORDERLINE on definition of...
  4. 73's de Edd

    Try to fix Electric Door bell

    Weird . . . . I must have missed some photos initially Two odd value 1300 ohms and a 62 k and the 27 ? Ohm monster. And a 1N4007 at no extra charge.
  5. 73's de Edd

    Try to fix Electric Door bell

    ADD ON: I can't see the precise situation of the door bell wiring, but expect someone to have to hold the door bell button, for you to be able to take your voltage reading.
  6. 73's de Edd

    Try to fix Electric Door bell

    Sir pharaon . . . . . I initially need you to AC meter those two RED AC input leads . . . .to know if there is REALLY 230 VAC coming into those two red wires, then I can proceed. I am wanting to expect that A.C. input voltage . . . . . actually . . . . . . being in the 16 VAC range. In...
  7. 73's de Edd

    Help fixing a Wharfedale amplifier

    Turns out the active sub woofer does not output signal to the speakers Looking inside of the unit, I see the woofer speaker that is directly hard wired from the power output transistors . As far as power output connections to speaker(s) . . . . are you ERRONEOUSLY thinking that the two 5 way...
  8. 73's de Edd

    Trying to repair a circuit board for a rolling ball clock

    O.K. then,you would now want to make a voltage check across the dedicated RED and BLACK wires going to the black clock unit to see if its 1.5 VDC running voltage is being present. If . . . . . its being down converted from the wall wart power unit by the dedicated discrete transistor section...
  9. 73's de Edd

    Trying to repair a circuit board for a rolling ball clock

    RGR RGR . . . . ALL . . . of them are being dirt common 2SC9014 NPN transistors , then. I will see how they fit into that circuitry now. Can you do that voltage check now . . . . . . . /or/ . . . . . . . next ?
  10. 73's de Edd

    Trying to repair a circuit board for a rolling ball clock

    Sir @Iguanaman . . . . . Chapter 3 . . . . . Well . . . . .so much for an easy fix . . . . . . with a bad solder joint . I had to double check and yes, there is still a PINK circle around the pad that the GREEN lined resistor uses for its bottom connection and then a foil goes left . . .very...
  11. 73's de Edd

    Get oscillator

    :oops: . . . . . . OOPSIES . . . . . ..indeed . . . . I had put in the forest of trees (dots) and then was experimenting to seeing how much of a white space / gap between lines to leave for a non connection and I then put one in the left drain path up to the transformer line and then...
  12. 73's de Edd

    Subwoofer repair

    Why does that not surprise me? No . . .Sir crutschow What superficials you are seeing / reading . . . in my posts is the lateral side effects of trying to read, follow and "apprehend" roughshawd's posts.
  13. 73's de Edd

    Get oscillator

    You did a great job!!! Praise . . .or cynical fault finding ? The marked in power supply input is to the far left, recopied as that 1 cell 12V battery. And I'll just bet that the the inherent cross leakage resistance of those 2 E-caps are alternatively providing sufficient gate damping /...
  14. 73's de Edd

    Get oscillator

    Confusing drawing of the schematic! WHUT you talkin' 'bouts . . . . . . Willis ? Don't you wowwy never fear, Wobin Hood will soon be here ! . . .Ta Daaaaaaaaaaaaaaaaaaaaaaaaaaa Little John . . . . . . . . and Elmer Pee Fudd BEHOLD ! [mod edit: replaced the faulty image with one...
  15. 73's de Edd

    Subwoofer repair

    Sir dasjambo . . . . . Direct your visual attention to the photo aspects of the amps heat sinked power output section on the board photo. Now . . . . MOSPEC . . . . . . branding mark sounds like an exxxxxxotic power transistor. BUT, in this / your case, its being a common TEXAS...
  16. 73's de Edd

    repair Tribest Sedona SD-P9000 dehydrator -- low DC voltage from power board: maybe rectifiers or caps?

    Sir.brush . . . . . You say . . . " one of my multimeters gave the results above, which correctly diagnosed the diode " Indeed, that reading is displaying in millivolts and that Vf of the diode junction might suggest a hint of the type of diode it is, also. Expecting 600-800 mv for most...
  17. 73's de Edd

    Building an 18650 power pack!

    This feller uses some admirable techniques . . . .watch . . . adapt some . . . specific / particular . . . tips / aspects . . .of it to your utilization. Probably, yours will be a downscale from this. BTW . . . at 11:47 time mark, personally, I would have initially pre tinned a solder blob...
  18. 73's de Edd

    Replacing phone batteries ?

    WHAAAASSSSAAAMATTAH ? Is the phone having no back cover . . . or how would all of the critical VOLTAGE-CURRENT-WATTAGE info get rubbed off that battery . . . . . even the partial battery number ? A Google search reveals flat pack-bagged batteries for their small ALLWINNER tablets being...
  19. 73's de Edd

    Trying to repair a circuit board for a rolling ball clock

    Sir @Iguanaman . . . . . You say . . . . On the component side the two red wires are from the reed switch. One side seems to trace to the red dot and yellow dot components you marked in one image above. You check . . . . VEWY- VEWY- CWOSEFULLY . . . . and you will see that the RED wires connect...
  20. 73's de Edd

    Trying to repair a circuit board for a rolling ball clock

    OH TAY ! . . . . . on the comeback with those mere 2 tidbits . . . .only 25 more ones still needed. BOOOO ! . . . . . to the manufacturer on their laxness in compliance with standard protocol on wire color coding. Two grays for those connections ! At least I THINK ? that they were gray . . ...
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