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  1. dorke

    EP-613 linear reg. power supply ,looking for service manual or schematics.

    I recently got this linear triple power supply 0-30V/2.5A variable,12v/5v fixed. Need the service manual or schematic in order to repair and calibrate it. It is sort of a generic/label unit goes under various names Manson/Rapid/Velleman/OF.I etc. I searched the net ,couldn't find it. Does...
  2. dorke

    Anyone bought from "futurlec"? good source?

    If you did buy from them,would like to have your review/opinion : Reliable? Genuine parts? Prices? Shipping price and time ? etc. http://www.futurlec.com/Transistors.shtml
  3. dorke

    Taylor Electric valave voltmeter model 172A-schematics/service manual

    I bought this 1961 VTVM for 5$ at a flee market. It needs repair and reconstruction. Couldn't find any docs on the WEB just a few pictures,like this one. If you have any please post or link to. Thanks
  4. dorke

    Does anyone know of a good electric motor lubricant ?

    It is for an electric fan motor ,about 70W.
  5. dorke

    Looking for Service Manual of AEG LAVAMAT 981 SENSOTRONIC Washing machine

    Schematics or Diagrams are welcome as well. A similar model could help as well. Thanks
  6. dorke

    Electronics Talk - interesting interviews and shows

    dorke submitted a new resource: Electronics Talk - intresting interviews and shows - Interesting videos with/on Electronics Legeneds Read more about this resource...
  7. dorke

    How to Solder properly

    dorke submitted a new resource: How to Solder properly - A series of profesional Videos from PACE Read more about this resource...
  8. dorke

    Another transistor discussion

    A beginner is thinking like this : "same current flowing here" : My words are chosen to explicitly explain the composition of currents. You can contradict me any time you want. and, thanks for letting me know the meaning of Ib, what would I have done without you Kid...
  9. dorke

    ELECTROLUX washing machine schematics-Service Manual

    My uncle's washing machine stopped working. I haven't seen it yet, before I try fixing it for him I would like to have the service manual or schematics. I couldn't find it on the web, can anyone help with it? (a similar model could also help, It is a front loader ) Thanks Electrolux Model EW...
  10. dorke

    Siemens waching machine Siwamat plus 7421 repair-need schematics

    Washing machine is not working at all only line lamp is on. before it was tripping the current fuse (not residual!) after a few seconds with a loud boom coming out of it . Now that I opened it not tripping anymore just doesn't work at all. Any ideas? Anyone has service manual or schematics...
  11. dorke

    Yahama RX-v450 fault off BD3816K1 IC ?

    Has anyone witness such an IC go bad? It is getting quite hot to touch (IC301). The problem started as a protection of PS error. I traced it down to the -12V regulator being overloaded . next I found a shorted PNP transistor Q308 (C-E)on the -7V regulator (2SA1015 on the schematics,but on the...
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