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  1. Martaine2005

    Possible new job. Looking for advice.

    Thank you Harald.
  2. Martaine2005

    Thermistor replacement

    I missed that important information (thought I read Instruction manual). Surely the service manual gives the component values rather than Tek order codes? Martin
  3. Martaine2005

    Thermistor replacement

    They are probably in series and inrush current limiting. Lets hope Tektronix reply. If not, somebody here will be able to mathematically work out an acceptable replacement. Martin
  4. Martaine2005

    Thermistor replacement

    If more than one, can you not measure or read a good one? Martin
  5. Martaine2005

    Thermistor replacement

    Hi, have you contacted Tektronix? You can here. Is this on the mains input?. Perhaps you'll get more help here if you give the model and maybe someone has one that can identify it. Martin
  6. Martaine2005

    Possible new job. Looking for advice.

    Well, I have my interview tomorrow morning (Tuesday) at 10am. Thank you for the links and the help. I hope I can bluff my way in enough to then learn the trade. I have lots of information and related terms that will at the very least, show I have done my homework. Martin
  7. Martaine2005

    Pioneer SR60 Reverb not working properly

    Yes, that would be a great idea. But to answer your question: Clean ALL switches and potentiometers. Martin
  8. Martaine2005

    converting a high amperage battery to lower amps without reducing voltage on a DC motor.

    I think you'll find the Max current from the motor will be stall/startup current. After that, the motor should only require what it needs to run. But that depends on the motor. Martin
  9. Martaine2005

    Phase voltage in AC Delta connection

    This site also has all the calculations.. Here. It's way over my head but the information is there. Martin
  10. Martaine2005

    SX-1000TW

    Ah ok, have a good look on the switches or near the switches. I can't see the schematic too well. It wont enlarge without blurring. Martin
  11. Martaine2005

    SX-1000TW

    Hi, Is it possible somebody was in there before you? Maybe put film caps in? Martin
  12. Martaine2005

    I'm Back- sort of

    Bass drum = kick drum for NEW musicians). My kit was like this : But I had high Tom Toms too. 13 piece, double bass drum! Martin
  13. Martaine2005

    Possible new job. Looking for advice.

    Wow, thanks again Harald. That site doesn't come up with my searches on Firefox. It's in my favourites now. I have all day today and the weekend to go through each chapter. If there is something I don't understand, I'll ask here if that's OK?. Thanks again. Martin
  14. Martaine2005

    Possible new job. Looking for advice.

    Wow, thanks Harald. That's a lot to take in. I have made lots of notes from your reply and will research each individually. The job is advertised as: Engineers and trainee engineers required for electrical safety testing. Audio & video - Laboratory equipment - Lighting - Electrical appliances -...
  15. Martaine2005

    What is the typical mAh capacity of a 9v?

    Why don't you buy a cheap bench power supply or use surplus wall warts/adapters? The bench PSU should have current and voltage adjustment. And with a multimeter, you can test/check the current required for the DUT and use suitable batteries for long term use. Exactly! Most homes have plenty of...
  16. Martaine2005

    Power Pin USB PCB ripped out

    Fantastic photos BTW. Out of curiosity, what size are the photos? Martin
  17. Martaine2005

    Need help determining electronic component

    An inductor is a coil and so is a choke. A choke can have opposing coils. So can have the same ref des. Martin
  18. Martaine2005

    Help repairing a ribbon cable

    Hi Trevor, I would patiently keep scraping. Have you tried a flame quickly over the area? Once you do it, don't forget some solder mask or varnish over the area. Martin
  19. Martaine2005

    Replace APL1085 low dropout 3 terminal on pc motherboard

    You may need to adjust your soldering iron to a higher temperature for the tab. If not, try applying fresh solder first and then try desoldering again. Martin
  20. Martaine2005

    Need help determining electronic component

    L reference designator is an inductor. 271 is likely 270μH. But I have to admit, I have not seen those before. Could they be dual mode chokes? Or just common mode in a different package?. Martin
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