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  1. S

    Blown capacitors in PC

    Caps don't leak like that, unless they've gone bad. I would've suggested what KrisBlueNZ said. Your Packard Bell was put together at the same time, I'd worry about all those caps, but I figured you wanted to try to save money. Who knows how much longer the PB will last. I'm with you...
  2. S

    help identify diode [diac] ?

    Can you get a data sheet on the FNR-10K621? Maybe you can get recommended diode information from the specs on the varistor.
  3. S

    Trying to Find the Right Proximity Sensor

    -40 degrees celsius is -40 degrees farenhiet. Where are you at, Antarctica?
  4. S

    Blown capacitors in PC

    I agree with GreenGiant. Your electrolytic caps are leaking the electrolyte. Possibly due to circuit usage, possibly due to the heat from those big aluminum heat sinks. You'll probably be fine just replacing the two caps you indicate. If it was me, I'd blow the dust out of the chassis, and...
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    Problem with PSU Noise

    We realize you may have a circuit problem. If I was experiencing your problem, the first thing I would do, would be to try to make SURE nothing outside of your circuit is causing the problem. If you're in a lab situation, where other RF signals are present, consider powering-down the test...
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    Short raster on Toshiba TV

    possible vertical output transistor on the way out
  7. S

    Korg DDD1 drum machine sound output prob

    I'd start with the very basics first: Did you check that the connections to your sound device (I assume a speaker) are good. I'd exercise and use contact spray cleaner on any switches or pots. They may have dirty contacts or be broken. THEN, I'd start looking at the circuitry itself.
  8. S

    Problem with PSU Noise

    I'd recheck my test set-up before digging into your circuitry. Is your 10Mhz clock power source grounded to the same earth ground as your test circuit? Are there any electrically 'noisy' instruments or electrical devices on the same ground? If there is any descrepancy in the grounds, it can...
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    Betamovie Camcorder

    Start by identifying what's wrong with each of them. Do they power-up? Can you load a tape? Do you have a display on your monitor? There are a lot of manuals out there on Beta equi[pment, Google the model numbers and you'll have a good start.
  10. S

    I feel like a thief!

    I don't think tubes are all that expensive because there's not much of demand for them anymore, but I've worked some old gear for a guy that needed two tubes that ran $35 each, so there's still a small demand out there. I've also worked some old military gear (4-digit number system tubes...
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    I feel like a thief!

    Don't listen to 'em GonzoEngineer, they didn't have the same classes as us in school, (Like the 1 Farad cap being as big as a room). If you get tired looking at them, get on some of the antique radio sites, you'll sell whatever you've got.
  12. S

    homemade chronograph for archery

    Good luck, no William Tell stuff there.
  13. S

    Hickok Calibration Cell Needed

    You may have already tried this, but I was able to find a lot of literature available on my Hickok tube testers by Googling. I think that'd be your best bet if nobody here can help.
  14. S

    homemade chronograph for archery

    For less than a hundred bucks, and the time involved, why don't you take a look at the 'Chrony' line. They're made in Canada, but readily available in the States. I use mine for bullets, but they make a line for pellets and paintballs, they've probably got something for arrow. And mine...
  15. S

    Identification

    Have you got any identifying information on the reel they came off of?
  16. S

    Rewiring Ceramic Fuse - Question

    And use some weatherproof chaulking sealant around the fuse box, water must have gotten in there when you power-washed it.
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    32 I/O Data Acquisition board architecture required

    Maybe with a little more information about what you're dealing with.
  18. S

    New place to wire on a pots?? for me it is.. HELP

    A lot depends on the manufacturer/type of pots you're using. What your diagram suggests is that that the 'ground' connection from the internal workings of the pot, is soldered to the outside case of the pot (effectively making the case of the pot and electrical ground for the circuit) so that...
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    Replacement for obsolete FET IRFBA22N50A

    I too have superiors who like to wave their hand dismissively telling me to just go get something else that will work. Good luck, that's a package IRF had exclusive rights to. Do all the leg work you want to, or find out if your superiors want to face facts,. And while you're at it, you...
  20. S

    unidentified electromagnetic shaker

    You never know. If that division is still in business, see if they still make an equivalent, or service old assemblies. Oftentimes if the manufacturer doesn't still do the work, they know a rebuilder who does work on their assemblies.
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