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  1. S

    Question regarding getting a job as electronic technician

    A lot of people in the U.S. took extreme advantage of the 7 1/2 year government policy of getting freebies for not working. As a result, employers are loath to hire what they consider to be slackers. I'd write my resume emphasizing hands-on experience in whatever equipment that particular...
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    IBM Selectric III

    Sounds like a good find. Anybody who has done work on your model machine before, is a good person to ask. Good luck. Hope you end-up buying that white-out.
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    IBM Selectric III

    Now aren't you glad you know it has problems before you went out and got ribbons and other accessories for it? What I do remember about mine, is that they were VERY expensive to repair. Yours sounds like it needs a new rubber belt, but it could also be the motor itself going bad, so I wouldn't...
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    Modify a projector

    Well. What I'd do next is try to find a schematic on the EB-X7. On the off-chance, I would even go so far as to check the Epson website and use their 'contact' function to ask them for advice. It's a longshot, but you never know. It's possible however remotely, that they may have an LED...
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    Modify a projector

    Funny how those manufacturers want to make sure you only use their replacement parts, isn't it. Almost as bad as printer proprietary operations. This is a good place to try when you're looking for information like this, but you're asking a specific question about a specific manufacturer, without...
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    IBM Selectric III

    All the places that used to repair the IBM Selectrics around me have stopped doing so long ago. I had two of them with a lot of accessories. Frankly, the computer keyboard/printer systems that everybody uses now, made me grudgingly stop using them and I garage sale'd them to get them out of my...
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    Modify a projector

    I don't think you're going to find anybody here who is going to tell you how to defeat a circuit that is probably designed to prevent a fire within the unit. Is there some reason you don't want to replace the lamp with an OEM replacement, other than you want to install your own light system?
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    Automotive electrical diagnostics

    Do you have access to any of the many hand-held diagnostic instruments available? They do a good job of getting you in the ball park with whatever the automobile problem is. They plug into the car's computer and list possible problems detected with the auto. That narrows the list of things you...
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    Considering a design change

    I'm all for making upkeep of the site easier for you. I haven't seen any serious problems with anything you've done so far. Thanks for the time you put into keeping us interconnected.
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    Automotive electrical diagnostics

    Most of the cars available where I am, have computers in them. There are inexpensive diagnostic hand-held units readily available to help with this. ARE, you asking about these types of electronic diagnostics, or are you asking about troubleshooting electrical systems in automobiles without...
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    Changing LED colour in old hifi equipment

    I was wondering what those blue headlight lamps were. Annoying when you encounter them night-driving. Sure hope they never catch-on in general usage.
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    Changing LED colour in old hifi equipment

    I don't think you're belaboring LED talk at all. There are so many types out there it's hard to keep up with them. I built an LED alarm clock a while back to replace my old unreliable one. Thought it would be cool to use Blue LED's, as opposed to the usual red ones. Damned thing lights-up my...
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    An Online government!

    Viva La Revolution!
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    An Online government!

    1984 in 2016. Sure would be interesting to see everybody agree and cooperate. And then ensure the elites couldn't hijack the whole shebang. Ultimate control, why didn't somebody already think of that?
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    Casio keyboard has really low volume

    It sounds like a bad component, but I'd check the speaker/headphone jack itself first. Make sure some leaf contact isn't bent out of shape. Odds are that the output amplifier transistors took a hit. Maybe from excessive output, maybe from using a wrong-impedance output load. Did you look...
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    Electronic Components Derating – Made Easy…

    Thanks for sharing.
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    Electronic Components Derating – Made Easy…

    So. Is this your own work?
  18. S

    Decade voltage regulation box

    What is your amperage? There are plenty of selectable wall-wart adapters available here in the States for cheap. Unless this is some high amp application, and you just want to use it for low amperage circuits, I'd look around for the inexpensive pre-made selectable voltage regulators.
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    Oscilloscope Help

    I can't see your picture because of my computer set-up. Have you set your scope for 'DC'?
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    Kate needs help, please???

    What are yous guys talking about? Don't you know when Harald gets involved with a post, osmosis through the website from Harald often permeates the affected circuit and solves the problem?
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