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  1. S

    New to me MCI JH24 - stupid annoying problem

    Thanks, Cory. The 68-70F thing wasn't a concern necessarily as much as data. I control humidity, too. I've got lots of fragile acoustic instruments, a piano, things like that. Most of my gear seems to live pretty happily in those conditions - guitars, amps, outboard gear. Some of my cats think...
  2. S

    New to me MCI JH24 - stupid annoying problem

    Now, stuff like my guitar amps, keyboards, things like that absolutely, those get turned off. If I'm not using them for more than a few hours.
  3. S

    New to me MCI JH24 - stupid annoying problem

    Well, ostensibly, this is a piece of gear I might not use for months, and then I might need it for a week or two solid. I'm thinking leave it on for that week or two, then off if I'm not going to use it again for a few months.
  4. S

    New to me MCI JH24 - stupid annoying problem

    Yes, as do I, and I agree with the approach of finding and fixing bad components, but I don't have either the skill or equipment to diagnose a bad IC except by swapping them out. And then if I have two... my approach only works if I replace them all or get lucky and only have one out.
  5. S

    New to me MCI JH24 - stupid annoying problem

    So, two more general questions: - On a machine this age, assuming that I don't care what it costs to run it, should I just leave it on 24/7 when I'm using it? I've had some older machines just lose their mind and things get gummed up when not powered on for a while, and it does seem like this...
  6. S

    New to me MCI JH24 - stupid annoying problem

    I agree that the meter thing is probably not a fuse, esp. since I've checked those. And I think you're right, way more would not be working. My money is on having cooked a component or more than one on that lamp driver board. I'm leaving that alone until or unless I can find a spare to try. I...
  7. S

    New to me MCI JH24 - stupid annoying problem

    When I’m talking about replacing the board, I’m actually talking about the problem with the meter lights. That little board has about 20 ICs on it, and at least as many resistors and capacitors and diodes, and so I’m assuming it would be easier in that case to just swap in a new one if I can do it.
  8. S

    New to me MCI JH24 - stupid annoying problem

    Hey Cory, Thanks again. I too found that Lamp Driver board mentioned in the manual, and located where it was on the motherboard. It's one of the few that looks like it's not been replaced: This is a pic from Studio Electronics' site, but mine looks just like this, except one of the handy zip...
  9. S

    New to me MCI JH24 - stupid annoying problem

    Thanks, ECC. I had similar problems with a couple of inherited Tascam cassette decks. The VU lamps are worth more than the machines now.
  10. S

    New to me MCI JH24 - stupid annoying problem

    Thanks, Miroslav. This makes good sense. I'll take some time and do that. I'd _so_ hand it over to a tech to a tech to straighten out at this point, but in this area, I appear to be it. It cost me a fortune just moving it forty miles, so it'd have to be someone who makes house calls or who can...
  11. S

    New to me MCI JH24 - stupid annoying problem

    This time, maybe? YouTube
  12. S

    New to me MCI JH24 - stupid annoying problem

    Thanks, Miroslav. Sitting doesn't seem to help these machines at all, for sure. This particular one was in use for 30 years, then sat for four years when the previous owner moved to a digital system. Contacts go bad, solenoids get sticky, all kinds of things like that. And that's assuming of...
  13. S

    New to me MCI JH24 - stupid annoying problem

    Here we go: YouTube
  14. S

    New to me MCI JH24 - stupid annoying problem

    I took another one, where hopefully I stay out of the way enough for you to see that. I'll post the link as soon as it's finished uploading.
  15. S

    Where is the fuse that controls the VU meter lights on a JH24?

    And just to support point B above, my intuition as regards the fact that some of the lights work some of the time, as opposed to total failure, is that I probably cooked an IC when I touched that bulb to the wrong thing. Though honestly, I'm a little disappointed if there wasn't a fuse to...
  16. S

    Where is the fuse that controls the VU meter lights on a JH24?

    I agree with all three points above, yes. As I don't have the tech skills to really understand what I'm seeing in the manual (I can't even find F3), unless I get lucky and find something, I will probably have to just quit messing, and use the deck as is.
  17. S

    New to me MCI JH24 - stupid annoying problem

    Okay, first off: secret to uploading hi res videos from my phone is to upload from the gallery, not the camera app. So, I have that figured out. Second, here, I hope, is a video that will show clearly enough what is happening. I've been working on this machine on and off about 40 hours over the...
  18. S

    Where is the fuse that controls the VU meter lights on a JH24?

    I’m afraid stabbing is all I’ve got. I’ll have to live with it if I can’t figure it out. I’ll see if I can scan figure 6-1, which is the power supply. Again, the transport was doing what it’s doing when the lights were still working. I’ll post when I’ve scanned it.
  19. S

    New to me MCI JH24 - stupid annoying problem

    So to clarify, you’re looking for an overview of the entire top of the deck when this happens, is that correct? As sad as it’s going to sound I don’t have a buddy. I’m out here all by myself in the middle of nowhere with this machine. I do have a kind of attachment that I’ve made for a mic stand...
  20. S

    Where is the fuse that controls the VU meter lights on a JH24?

    I started looking in the manual’s for things related to the auto locater, because I noticed that all the lights would go out if I disconnect the connectors from the auto locater to the meter bridge. So I made the assumption that the meter bridge lights must get their power from those big...
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