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  1. S

    Sony TC-350 speed slipping

    Yes, the motors don't last forever, but I'd try everything else in the cleaning and care department first. If that didn't work, (but usually does), I'd take a look at the signal TO the motors, before suspecting the motors themselves.
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    alternate/better commutator brushes on a motor

    Minder's idea would probably last longer, but I'm kind of wondering why you're just not using the standard carbon brushes used in most motors? Is this some specialized application?
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    Power pack.

    I can't, but don't want you to think we're ignoring you. Maybe somebody else will see your post soon and give you the information you need. I would just like to run a couple questions by you that might help others, help you. You said you want USB connections on it. Are you running a computer...
  4. S

    help with a type of connector

    Good work, and congratulations. Also thanks for adding the information you found. Posts here wind-up in Google searches, and it's great to have the answers to the questions people are searching for.
  5. S

    What is this

    Yep, it's some kind of module/circuit board rack. ANY identifying information on the cabinet will help us identify it for you. Some of those racks have their own power supply, and some are just interface module holders. The identification plate information will identify what it is.
  6. S

    Need some help, car LED dome light related

    There's not much information here, and apparently you don't have much information there, on what you bought. It SOUNDS like you've got a voltage regulation problem (current is also involved). What people are suggesting to you is a also an uniformed suggestion (with no good input information)...
  7. S

    Sony TC-350 speed slipping

    The capstan motor's do sometimes go bad. The first thing I would do is get a can of spray contact cleaner (that says it's safe for plastics), and spray out all the roller/wheel assemblies. Friction material, dirt and grime, dirt, can get/wear into the moving roller parts. Lubricate the swinging...
  8. S

    Old Yamaha audio spare parts (new)

    Most people check eBay to see if there is an equivalent. It's usually a good place to find out what something is actually worth to other people.
  9. S

    an interesting electronic problem about my headset

    My 2-cents worth is that the plastic housing for the plug from your headset is a little wider that the available area on the device you're attempting to connect the headset to. This is pretty common because manufacturers just make their own product, and a device with it's input jack may be...
  10. S

    BLOWN UP JUNK !

    The first thing you have to do, is Google your make and model number, and get a schematic on the electronic components in it. The next thing you do, is without the power plugged-in: open it up and look for any physical damage to any of the electronic components in it that might help diagnose...
  11. S

    so i got a new toy

    What a relief! I was pretty worried that T1000 got loose, and per Miguel's report, was now a Terminator at a terminal for homeland security. Guess we're safe as long as the economy doesn't pick-up for donkey.
  12. S

    Old Yamaha audio spare parts (new)

    If you don't sell on eBay, Google the next Ham Radio Hamfest (Amateur Radio flea market get-together) in your area. At least some of the parts in your picture are new. A lot of guys show-up for those to buy electronic components.
  13. S

    so i got a new toy

    donkey would reply, but that T1000 he made, killed him. Skynet found his post on this website.
  14. S

    Heat sinking compounds

    The 'thing' is called silicon heat sink compound, an example if you want to look it up is the Dow Corning 340. It's pretty messy to work with and some people don't apply it properly. There are several types of heat transfer pads on the market now that are cut from thin sheets to the size of each...
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    Old Yamaha audio spare parts (new)

    You're not going to want to hear this, but you've got a pretty diverse collection of parts there. I don't know why a school would buy parts unless they intended to install them in something. So you may have a collection of removed/discarded parts that the instructor had been saving after...
  16. S

    Pioneer PD-M423 cd player stops playing

    I'm sure they can be. Usually OEM's (original equipment manufacturers) only support their model of each product for a limited number of years. If your model is still supported on the Pioneer website, look there. If not, I have little doubt that someone carries some acceptable 'after market'...
  17. S

    Pioneer PD-M423 cd player stops playing

    The carriages for those are suspended/isolated from outside physical shock with little 'rubber-baby-bumper-button' type 'shock absorbers'. Take a look for any worn/deteriorated isolation devices that are not keeping physical vibration away from the CD.
  18. S

    Is this water?

    It's possible, but I think unlikely in this case. Those are re-worked solder connections, so somebody had been working this board for repair once already. Whatever problem you're seeing with your relay connection now, is something somebody else already repaired, or tried to repair before. I...
  19. S

    pcb trace, common-mode noise, and murphy

    Guesswork is exactly that. Do you have access to some kind of monitoring instruments, like the type Dranetz makes. Companies like Dranetz make power monitoring equipment to identify line voltage problems. Every field-use set-up is different. Most companies make their equipment to stand-up in a...
  20. S

    Old Yamaha audio spare parts (new)

    I don't know if you know who compiled your collection. I will say, that I have run across a great many assortments such as the one you have in flea markets and garage sales, that the sellers claimed they did not know anything about. Often-times, guys who run-up collections such as yours will...
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