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  1. 73's de Edd

    Help Needed: Vizio Power Supply Board

    Sir jdavis2125 . . . . . HellasTechn . . . . . If you "really search" you will find that is being the main power board for a very-very B E E E E E E E E E G (If my Mexican is good ) 65 inch Vizio Tee Wee It looks like all spare boards . . .new . . .pulled . . . or rebuilt . . . from...
  2. 73's de Edd

    Circuit Card - Black Marks ?

    Sir CanYouHelp . . . . . Gravitated afterthoughts . . . . With a limited view of ALL of the component side of the PCB, I believe that they are just using an " economy" technique on the power supply design for this board. With more credence given to the RED and BLACK wires and connectors as...
  3. 73's de Edd

    Comedy Thread

  4. 73's de Edd

    Circuit Card - Black Marks ?

    Sir CanYouHelp . . . . . I can help . . . . . . http://poetrank.ru/wp-content/uploads/2014/11/17-billy-swan-i-can-help.mp3 Comment 1 . . . . yeth! . . . . the dark brown pookie is just being captive adhesive for those E-caps. Question 1 . . . . . has the plastic at the pins 7- 8 end of...
  5. 73's de Edd

    Pioneer sa1290 input selection prob.

    Sir More-cowbell . . . . . Pending your reply and with its further info . . . Is this being a NEW product of yours . . . or one that has worked for years, and just now doesn't ? Confirm that normally installed jumpers are being present in the rear of the units R and L input jacks for the...
  6. 73's de Edd

    Help repairing Samsung VHS/DVD Combo - No power

    Info forthcoming . . .tomorrow . . . .
  7. 73's de Edd

    round slotted nut tool ?

    Sir poorcol1964 . . . . M m m m m m m m m . . . . . . . RUHMKORFF COIL . . . . . . (drool ) ( I have one of those from a physics lab that's about ( US measurements ) 18in widex 10 in tall x 6 in deep + very Looooooong sparks. I INITIALLY did not know how much the screw extended through...
  8. 73's de Edd

    Transistor in a Halloween Prop

    Sir scorn001 . . . . . Q21 assignment tells us that this little puppy must be absolutely stuffed with other transistors. ( Circa '80's vintage construction) The nearby TIP ??? power transistor might be a like candidate for having crashed and dumped into this unit in case this unit is being its...
  9. 73's de Edd

    I need help with DC power barrel jack repair

    Sir davidhighkc . . . . . You [Start 150 Font typeset] AIN'T [End 150 Font typeset] ever coming anywhere near my operating room . . . . . . . .the Dr. has spoken . . . . Nevah, nevah, nevah evah . . . . . do that to a ground plane board, with its interconnective thru the board vias. NOW ...
  10. 73's de Edd

    Sony TC-WR770/870

    Sir Daryl . . . . . WHERE? . . . . .you . . . .g o o o o o o o o o o o o o o ? latest update is that this deck now has no power lol its lifeless and i need it to work again any help appreciated. If that is the case, then take ohmmeter and test across the AC cords plug to see if you are...
  11. 73's de Edd

    Change in site ownership

    Do it again . . . .to see if I can feel the difference . . . .
  12. 73's de Edd

    Wanted: Push On Hook Clip Adapter

    Your RED push on one shown. looks like the push on model offered by Radio Shack. This person offers free shipping . This is also less than the $24 total "Mueller" rip off...
  13. 73's de Edd

    CTEK MXS 3.8 repair

    Checkee-checkee . . . .Is your unit older than its 5 year warranty ??? https://www.baintech.com.au/images/ManualSheets/CTEK_MXS_3.8_FACT_SHEET.pdf
  14. 73's de Edd

    problem in fluorescent lamp with electromagnetic ballast

    Is the lamp and its ballast located close enough to the obviously unshielded electronics, for there to be an undesired electrostatic/magnetic coupling problem. Of which, there would be none, if using LED's.
  15. 73's de Edd

    round slotted nut tool ?

    Sir poorcol1964 . . . . Obviously . . .if the OTHER end of the screw has an accessible Phillis or standard cross slot head, just do your tightening at that end. Or if . . . . You just have a few units to deal with, and the situation is dealing with standard machinists profile . . .wherein the...
  16. 73's de Edd

    Has anyone repaired a power supply in a Panasonic FS200 VCR?

    Sir coopermc . . . . . That's being the VERY top of the line PUNYSONIC machine of that vintage . . . . . WITH SVHS capability . I have pre researched it for you. It has a little dedicated power supply just for that display and if its 2 output voltages decrease, the heater voltage or the grid...
  17. 73's de Edd

    9205(2)A multimeter

    Sir john douglas . . . . Related to damage from voltage misapplication a TL062 is most suspect. That units schematic shows two LM358 flat packs being used in the capacitor test function. A HARRIS version of a LM358 . . .17358 . . . is being used in a power supply function On your photo, one...
  18. 73's de Edd

    Help repairing Samsung VHS/DVD Combo - No power

    That's WHY his . . . . on order . . . . 1000 ufd substitute cap for shunt across testing is on order. But . . . . with a very WARY eye on that 470 that has declined down to 433. Poor ESR units usually show some decline in regular capacitor value testing.
  19. 73's de Edd

    Comedy Thread

  20. 73's de Edd

    Chinese generic crt tv no b+

    Sir MadMann . . . . In ADDITION to your crashed V513-2SC5297 . . .could its failure have taken out V512- 2SC2655 / 2SC3807, by then leaving it with a C-E direct short ? That would pretty well bleed down all of the voltage from that mentioned juncture ? 73's de Edd .....
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