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  1. S

    Faulty massage chair, virtually brand new ,advice please?

    Our quandary in trying to help you with this is that you have no troubleshooting experience with electronic circuits and we'd be asking you to take voltage measurements at different points to try to determine the problem. It may not work here, but my next suggestion would be to Google the make...
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    Faulty massage chair, virtually brand new ,advice please?

    Do you have a warranty on the chair that is still in force? That would be the first thing to check.
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    For Sale: Chips and resistors

    I believe you're going to find this post moved by the Moderators to the 'For Sale/Wanted' header toward the bottom of the forum homepage pretty soon.
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    Jvc DVD-cassette-receiver model ca-dux10 turns on and changes input sources randomly

    If you don't have a stuck push-button, which is probably the case; I'd use the spray-can contact cleaner you can get from and electronics parts supply store (or a computer store). With the unit unplugged (deenergized). spray out the push-button assemblies to clean the switching contacts.
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    guitar circuit non isolated ground problem / short???

    If brevor's experience isn't your problem, I'd still be looking for an issue with a cross-over between earth ground and your circuit neutral. It may not even be on your schematic, it may be something plugged-in to your unit that you're not even thinking about. A couple of times I've been...
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    Human safety system in drainage

    Audioguru, I used to work for places with sewage treatment plants. Hydrogen Sulfide is prevalent in incoming sewage, but our laws require monitoring equipment, personal monitoring/alarm gear, to prevent a person from going into those confined spaces if they're not ventilated first. I've seen...
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    Human safety system in drainage

    I think kellys_eye pretty-much covered it. Until the people involved in your area take the issue seriously and use the proper test equipment readily available, you're going to have this problem. On the rare occasions it happens here, it's because somebody didn't bother to take the proper...
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    guitar circuit non isolated ground problem / short???

    Somebody from your area will probably give you a good answer. The way things work in the US is that there is a mains hot wire, a neutral return wire, and a ground wire. What you're describing seems to me, to be (somewhere) a crossing/reversing of the hot and neutral wires. I'd check to make sure...
  9. S

    H2482

    Any company logo on it?
  10. S

    WACOM Cintiq 21UX - LCD issue

    Hopefully you'll receive some advice from somebody familiar with your model. My opinion is that your LCD has reached the end of it's life-span. I'd be looking into the possibility of a replacement.
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    Axiomet AX-588 Resistance calibration

    We're in the same boat you are without a schematic or identification of which pot does what. I suggest you keep looking for that information (unless someone else here does that leg-work for you). My input, which is usually pooh-poohed by others here, is that when you finally find-out which pot...
  12. S

    555 Timers

    Hey, thanks kelly_eye, I had no idea Aries or anybody made those adapter sockets anymore. I bought some way back when, and guard them jealously for when I need one. Nice to know they're still available.
  13. S

    ZKTeco MA300 Electronic Access System

    Sounds like a pretty specific application problem due exclusively to software. I'd contact the ZTKeco people, explain the issue, and ask for a solution. I assume their own software ZKaccess 3.5 is what you're using. They may want to charge a fee for tailoring their software to suit your needs...
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    LED strips for vanity/accent lighting?

    Might be off-subject, but I don't know your 'vanity/accent' application. If a female might be involved who'd use the lighting for self-evaluation/make-up application, make sure the light from the LED's suit the application (whatever it is). Some of my 'friends' have had issues with LED's in...
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    POWER TRIP

    I'm with duke37. Check ALL the cables that were installed. It's possible something internally was knocked loose in the physical moving, but twisted/ run-over, or pulled-loose cable connectors would be the things I'd check first.
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    M6013 capacitor tester

    Good luck with your troubleshooting. A lot of guys here are probably unable to find your schematic too, and we're a lot more helpful when we have a schematic in front of us. Sorry for the guess-work here, but I'm sure anyone here with a good idea will add it in following posts.
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    555 Timers

    Hopefully somebody here who lives in the UK can point you in the right direction. The metal cans will be pretty expensive and the places that used to make the adapter sockets from cans to DIP (dual in-line packages) don't make them anymore (those sockets were also expensive). Can I ask what...
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    M6013 capacitor tester

    I'd check the components in-line with that zener. A high enough current to zap the zener would probably take-out something else in the circuit that could cause the unstable zero. THEN I'd recheck to see how far off your zero might be.
  19. S

    M6013 capacitor tester

    I don't know if you've got a schematic. You probably need to adjust a pot after replacing the zener to get back to zero(?)
  20. S

    Static

    Just re-watched it a few months ago. Some of it is becoming dated, but definitely worth watching. If you haven't in a while CDRIVE, watch 'Mars Attacks' by Tim Burton. Burton has a lot of loose screws in his brain-housing group, but the alien address to Congress is worth the re-viewing. (To...
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