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  1. 73's de Edd

    Help with Casio keyboard not working

    FIO . . . . assuming pin #1 is the one closest to the power plug Viewing the CA5668 with its labeled side being readable, there is a divot within the case just above the units assigned pin # 1. Now, back to your situation of having your current metering knob setting to a lower ma range. No...
  2. 73's de Edd

    Help with Casio keyboard not working

    Do note that back on your current test that you PROPERLY plugged into the 10A receptacle with your + meter lead BUT then had your selector switch NOT simultaneously being in the 10A range, as it should have been. . . . you had erroneously left it in the ma scale range. Try that correction and...
  3. 73's de Edd

    Help with Casio keyboard not working

    VOT ? . . . ACH HIMMELL . . . .nein - NEIN - NEIN . . . . der CA5668 icht bin der Voltages-es-es-es Reg-yum-er-la-ra-tor-er-er . . . und der LA 4127 . . . . .icht bin der . . . .audio . . . OOOOOOM-PAH . . . . .OOOOOOM-PAH . .pa-pa mow- mow. We can see that the power wall wart AC adapter...
  4. 73's de Edd

    Temperature probe - LCD display missing segments

    and it still works. And would that be to the original state of disrepair, with digits . . or . . . . segments inoperative, or NOW . . .do all digits fully display ? Pee Ess . . . . I gots a PM . . . . sent to you . . . awaiting for your answering.
  5. 73's de Edd

    Temperature probe - LCD display missing segments

    On the sytrene plastic cracked / fractured mounting pillars. Find one that is still good and place one of the proper mounting screws just inside the hole and then place your Phillips screwdriver atop it into its cross slots. Put just a trace of downwards pressure on the end of the screwdriver...
  6. 73's de Edd

    Help rewinding brushless motor

    Sir Jonawald . . . . . Hmmmmmmmmmmmmmm . . . . . I haven't heard from you since your great "relaxicizor" / " massage" chair escapades / fiasco. Before I expend any more keystrokes . . . initially why don't you just look at this info . ..to see if its contained Edd-u- cational value doesn't...
  7. 73's de Edd

    Repair of 2x Lab Gruppen fp 6400 after power spike from low quality flyback transformers

    Sir James . . . . . MY . . .MY . . . My . . .THATS ONE WHOLE LOTTSA WATTTSA ! In my reviewing the construction of that unit and your mentioning the looseness of the switch mode power supply C core(s). Look at the bottom where I have replicated that ferrite based Dual D cored...
  8. 73's de Edd

    Temperature probe - LCD display missing segments

    Sir Martyfoxy . . . . . Hmmmmmmmm . . .that's being a somewhat older version. I see the potential, of up to 6, of my marked in RED X MARKED holes and their installed captive SM screw as holding this PCB against the front cases face bezel for the LCD display. ( Probably with the larger 4...
  9. 73's de Edd

    Replacement Ballast for OTT-Lite VisionSaver

    Check back to this posts reference photos to see what variance or sameness that there are being between your two units . https://www.electronicspoint.com/forums/threads/ottlite-18w-ballast-replacement.290991/
  10. 73's de Edd

    Hello, Welcome! (Introduce yourself)

    But now it's so small its like trying to read a postage stamp at 2 M. I could only guess as it being two audio clips of a " whisper " at the bottom tracks, and a shout at top track . . . . . ?
  11. 73's de Edd

    Temperature probe - LCD display missing segments

    Sir Martfoxy . . . .. Have you got that torn down, for a photo, at least to the state that you see here . . . as further pulling the two phillips screws . . . . releasing the wires out of the melted / fused plastic will be needed, then, maybe the frontal display portion, to be worked on...
  12. 73's de Edd

    Hi y'all, need some old school help.

    Sir Nessmuk . . . . . Post # 5's photo seems to cover all parts that we need to see. . . . . a la . . . . . My rare, imported 30 inch Swarovski crystal ball is predicting that the REAL problem will be either the frontal mounted circuit breaker or the internal thermal fuse hidden down...
  13. 73's de Edd

    Replacement Ballast for OTT-Lite VisionSaver

    The rest of the story . . . . The resistor between the two heaters of the CFL tube is in actuality, a capacitor. On the replacement unit , it is designed into the internal PCB . F.I.O. . . . . .
  14. 73's de Edd

    Ammeter Span adjustment

    Sir driver06 . . . . . I had initially started on this MUCH earlier, but then had to break away for more urgent Sattidy tasks. In the interim I see that . . . der KIWI . . . meister, has added on his : My guess would be that the shunt rating is three times the meter setting. Check the...
  15. 73's de Edd

    Replacement Ballast for OTT-Lite VisionSaver

    Already covered here . . . seems like this works with a bit of plastic ear trimming of clearance / for/ a physical fit inside. https://ballastshop.com/sc-120-118-ctw-fulham-10406-pony-ballast/
  16. 73's de Edd

    Roksan model ROK-DP1, does anyone have the diagram

    Here are some teardowns . . . https://www.google.com/search?q=Roksan+model+ROK-DP1&tbm=isch&source=iu&ictx=1&fir=ongGJvAE1UCAGM%252Co6j7xOm8eczJHM%252C_&vet=1&usg=AI4_-kSiiVSeEFhJ2kHlotvoXY9JH5RGPg&sa=X&ved=2ahUKEwjtiK6-ibDuAhUH2qwKHQyVCu0Q9QF6BAgIEAE#imgrc=ongGJvAE1UCAGM
  17. 73's de Edd

    Hitachi KH-1190E radio stopped working

    Sir Martfoxy . . . . . A 1N60 GERMANIUM junction is exactly what is being needed . . . and the junctin voltage tested is being proper. As for your clipped C42 fixed ceramic or silver mica capacitor, seems like it met the guillotine of the final test and ALIGNMENT person. It is in parallel...
  18. 73's de Edd

    pc dell latitude d600 no powers

    Is the batt pack installed in the unit and being up to enough of a charged state so as to give some LED indication, on attemting to run off battery power alone. As most of the heavy demand run power is from the battery and the charger just maintains a "keep up " /charging. And is the charger...
  19. 73's de Edd

    Hitachi KH-1190E radio stopped working

    Martfoxy . . . . . Well its like this . . . . if you will track the main 6V HEAVY supply line buss that was feeding the IC1 and 2's pin 1's . . . on across the page . . . . and aross the gap in the page ! ! ! until it meets with the "same ? " HEAVY buss that runs both up and down. Use...
  20. 73's de Edd

    pc dell latitude d600 no powers

    Sir djad62 . . . . . With your / that provided info, looks like you might need to check out the left half of the schema in order to see if your power supply is getting 3-3.3VDC to the VIOLET flagged test points and then the mid schemas RED flagged 5VDC test points. Then there is yet the...
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