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  1. 73's de Edd

    CTEK MXS 3.8 repair

    Sir bushtech . . . . . OK then . . . . I was just thinking back to one of your pics of one unit of a set of 2 wireless switch boards of yours, a couple of years back . . . . . maybe muuuuuuuch practice / experience and a small tipped soldering iron, has now imparted a threshold of quasi...
  2. 73's de Edd

    Yamaha T-60 Tuner

    Sir cASSetteMan . . . . . Initially . . . . just like, as it was in the Duuuuurty Harry movie . . ." I GOTS to knows ! " Now . . . .would CassETTEmAN be your younger brother, older brother or fraternal twin ? You did not initially have the WHOLE inclusion of the pilot lamp wiring path...
  3. 73's de Edd

    Comedy Thread

  4. 73's de Edd

    CTEK MXS 3.8 repair

    Sir bushtech . . . . . If me, I would be using leaded transistors and a 2N2907 would be the PNP amd a 2N2222 for the NPN since they are siamese twins on their specs. I would be shortening the stock leads just enough so that you would be able to swing their CBE leads around into PROPER pin...
  5. 73's de Edd

    GE radio 7-4135

    A reproduction . . .the old original GE certainly would not have used a modern 7-4135 identifier.
  6. 73's de Edd

    B&K 3017A Sweep Generator

    Sir Frankquip . . . . . Now with your newly acquired manuals schematic in hand . . .did you properly interpret that your installed BNC connector needs to be wired to PCB 409 connection "C" to tap off a sample of the tuning ramps waveform.? . . . . . for the Silly Scopes ext hoz drive input...
  7. 73's de Edd

    Newbie scope question

    Sir tuc2k . . . . . Where is being . . .most honnable . . .Yankee Ingenuity ? On the economy side then, take NOT, a crocodile nor an alligator clip but, the third small battery type of squeezable compression connector and make connection to its terminal thru a stock scope 1x or 10x probe...
  8. 73's de Edd

    Unresolved issue related to power-in

    Sir Benny7440 . . . . . Decisions . . .decisions . . .decisions . . . . . . and one of them has just been solved with the info provided on another post of yours, in your having found an AC auto-transformer.. That now can step up your lower 120VAC line voltage to the required 220 and its...
  9. 73's de Edd

    CTEK MXS 3.8 repair

    Sir bushtech . . . . . A query . . . back to the controller IC . . . . . . . is that 8 pin unit missing its pin 7 ? Confirming, with that forthcoming info . . . . . see if that likely NCP1271 controllers output pin # 5 either goes to the shared bases of a tandem pair set of...
  10. 73's de Edd

    Sony TC-WR770/870

    Sir Darryl . . . . . Your problem should be that your shorting out of the motor, caused R700 . . . which is a 0.1 ohm 1/4 w film resistor . . . being used as a fusible resistor . . . . to open up, and is now leaving the ground leg of the D702 full wave bridge rectifier to be floating above...
  11. 73's de Edd

    Painting own 6mm guitar/instrument cable 6mm

    Sir darren adcock . . . . . Further excerpts . . . . taken directly out of my BIG playbook . . . Heat shrink comes in the common variety that the general public is familiar with, also there is the polyolefin type with its inner coating that liquifies and flows around any internal connections...
  12. 73's de Edd

    Painting own 6mm guitar/instrument cable 6mm

    Sir darren adcock . . . . Would just a short length of appropriately color coded heat shrink at each end of a cable at the connectors suffice ? With one additional in the center of the cable length, if that area is of any importance . 73's de Edd
  13. 73's de Edd

    PCB Coating

    SIR Viktor . . . . . Potted and cured silicone rubber. . . .non soluble. A wooden spudger stick and selective removal is permissible on select smaller areas. Such as you have already done at the left area. Also some wetting as shown below, in his dipping the RED silicone potted connector...
  14. 73's de Edd

    Telicine machine schematic

    1/4 amp fuse
  15. 73's de Edd

    Help with power supply for jukebox

    Sir jim43bob . . . . . Looks like you have two cumulative errors at fault in these two parts on the bad board. 73's de Edd ..... [Mod Note -- Resized oversized image]
  16. 73's de Edd

    Help with power supply for jukebox

    Sir jim43bob . . . . . This schematic and its tie ins to the left vaguely suggest of a Seeburg unit of the 50-60's with its Tormat memory core system for queuing the song selections to be played, after their entry. Prior to its concept, they relied upon a massive double bar of small solenoids...
  17. 73's de Edd

    Brother P-Touch Labeller not powering up

    Sir partyanimallighting . . . . . . Here is being the power flow within that power connector PCB. ***** The F1 fuse only relates to battery operation circuitry, it is out of circuit in AC power operation. ***** BATTERY . . . . .operation . . . . . At the top is the unit just running on...
  18. 73's de Edd

    Help Needed: Vizio Power Supply Board

    Sir jdavis2125 . . . . . You say . . . I'm getting no power to the standby That basic voltages non presence tells us that the next confirmation,would be to see if the basic RAW rectified DC for initial operation of the power supply is being present.. REFERRING BACK TO THE PHOTO REFERENCE ON...
  19. 73's de Edd

    Help repairing Samsung VHS/DVD Combo - No power

    Sir WyluliWolf . . . . . xin lỗi . . . . . . . . . . Or, in case, your Vee-na-meese is being a bit deficient, Sorry 'bout that . . .as I have been as BUSY as a one pawed cat with the diarrhea . . .lately . . . . . . SINCE, this is not being a . . .See Dick and Jane play . . play,play...
  20. 73's de Edd

    LF Amplifier - low power output

    Are you using proper frequency relevant design protocol for the wire, windings, core and construction of T1-T2 and T3 ?
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