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  1. 73's de Edd

    This should be easy, replace a switch on a bike headlight

    Model number or link to the older one, the same with the new one. With that information I can answer your question. WHUT ? ? ? . . . . . . WHUT ? . . . . .WHUT ! ! ! I'll just bet that you are just going to get OOOOODLES and OOOOODLES of critical /useful technical information, IF EVER...
  2. 73's de Edd

    This should be easy, replace a switch on a bike headlight

    Sir Artmakersworld . . . . . . . .Esssssssssssssssssss My revelation attempts are being only as good as your initial supplications content and feedback. This time around . . . in relating to the original headlamp . . . initially. The top down headlamp shot does reveal a nice, thick clear...
  3. 73's de Edd

    Behringer Ultrabass input section issue

    Sir tom1970 . . . . . (so 'dat makes you 54yo ?) Before you jump off the deep end with that EYE SEE 6 attempt . . . shudder . . . shudder . . .WAIT ! . . . lets initially do a signal flow path walk thru. I am referencing to page 20 of supplied Pee Dee Eff . . . now you go therealso. My...
  4. 73's de Edd

    This should be easy, replace a switch on a bike headlight

    Sir Artmakersworld . . . . . . . .Esssssssssssssssssss Lets analyze the situation initially like Sir Harald suggested, as per the possibility that the complexity of the unknown electronics that is being powered might be dependent on the use of a momentary contact push button switch. Whereupon...
  5. 73's de Edd

    Blown amplifier part.

    Sir ZJS . . . . . This snippet schema should suffice with most info that will initially be needed. Your cap is the YELLOW mark up C813 and DEFINITELY not related to the amplifier not coming on, particularly if not installed, as was experienced as the the case in one of your tests, with the fuse...
  6. 73's de Edd

    Blown amplifier part.

    I took out the capacitor and inserted a fresh fuse… Powered it up and nothing happened… and the fuse blew. Then I tried again with the capacitor and it lit up and then after a second it went out . . . . . . and the fuse blew. What kind of CRAZY-AZzZz logic are you using ? When you . . . . I...
  7. 73's de Edd

    Blown amplifier part.

    WHASSAMATTAHYOUSEENNYHOW ? The units fuseholder / pod is in the two yellow mark-ups. with the white mark up being the holders end fuse cap . In accordance with our esteemed Bertus's referencing . . . if correct . . . a standard slot blade screwdriver goes into the end slot and then is...
  8. 73's de Edd

    Repairing old Super-8 camera - DC motor requires help to start

    Yes, there seems to be pretty extensive "grooves" in the commutator together with a few deep scruff marks that create friction. This uses 3 segments . . .but . . . if yours only uses a single leaf segment , lateral brush repositioning to land on a clean commutator area might work. Also...
  9. 73's de Edd

    Blown amplifier part.

    . . . .more of a capacitor which deals with power. It said it’s a kind of safety capacitor. Baah . . . .rubbish . . .balderdash . . .poppycock ! The SAFETY auspices of that class X type of capacitor, is being the safe manner in which it FAILS, in past olden times, the use of a COMMON...
  10. 73's de Edd

    missing ic on vibrating platform power supply

    FAT CHANCE . . . . for your dream request . . . . but otherwise The switch mode, lo-to-med power transformer is HX EEL1903 . . . . .and . . . . . Your photo STILL seems to show the existing presence of the very top edge of that IC's sink tab and its captive screw ? ? ? The Red Arrow'ed...
  11. 73's de Edd

    TESmart HDMI Matrix - blinking power

    ¿ Is Takuro a work associate / acquaintance of yours ?
  12. 73's de Edd

    TESmart HDMI Matrix - blinking power

    any reader up in the peanut gallery have any ideas ? O.K . . . I FOUNT IT ! . . . . . it just required a slightly different search function definition term. And then coming up with a MP1471A of 2012 design vintage . . . .now degraded against further use of it . . . .so roll out the MP1477A...
  13. 73's de Edd

    TESmart HDMI Matrix - blinking power

    Just want to confirm that these are what you are referring to? Yep . . . . . ABSOLUTELY ! Are you reading the U1,2,3 and 4 controllers marking code . . . . Eye See's . . . . as being an AGMJ ? With the benefit of your now more detailed blow up . . . I am seeing no Schottky diodes, so they must...
  14. 73's de Edd

    TESmart HDMI Matrix - blinking power

    Ms CaliMiller . . . . . As is being revealed in your photo #1289 . . . . Bottom left corner is main power 12VDC input and its associated E-cap filter . . . .it seems to be of a bluuuuuuuurrrrrrry ¿ 100 ufd ? value It is having meter probe access to its top right side - tab and left side +...
  15. 73's de Edd

    Help with soldering transistor 7805 correcty

    Sir Recordable2000 . . . . One, real l l l l l l l l l l l l l y -real l l l l l l l l l l l l l y-real l l l l l l l l l l l l l y needs to see the foil side of that board. It is apparent that the board was designed to optionally use EITHER a 8050 transistor and associated Zener diode or a...
  16. 73's de Edd

    Comedy Thread

  17. 73's de Edd

    Paper Shredder problem

    Sir gears 47 . . . . . CHICKEN LITTLE WAS RIGHT ! . . . . . THE SKY WAS FALLING ! . . . . with a deficient discrete bridge diode and a defunct main storage cap falling HARD onto the ground. Now lets more fully explore, and see why the shredder motor is not running on a paper sheets entry...
  18. 73's de Edd

    Paper Shredder problem

    Sir gears47 . . . . . The output of the rectifier measured 6.37Vdc, which is too low to activate the 12Vdc relays. True . . . . . a possibility . . . . . with one diode going open circuit . . . .but I would be equally suspect of the MAIN filter E-cap having gone w-i-m-p-y , after its extended...
  19. 73's de Edd

    Diode '2w' identifcation / replacement

    Sir NAPALM . . . . . . . . . .( and it's been a lo o o o o o o ong time since my Korea & Vietnam ! ) If the 4 pin gold connector to the left of that RB100A Schottky diode goes to the DC-DC converter and you are working with the wall wart / DC battery input sections . . . just see if this...
  20. 73's de Edd

    Identify diode (SMD)

    EVEN further referencing on that items ST marking code
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