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Voice of Music VM 580-2 Console / 1242 Turntable Rehab

Discussion in 'Tube Audio' started by Sonorous, May 31, 2017.

  1. larryderouin

    larryderouin Do I get Food, Med's, or more gear this Month? Subscriber

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    Sono; Put the FUSE between the cord and the switch. You'll need to hand over hand both of the leads from the switch (one from cord, one from trans). The CL-80 can either go between the fuse and the switch or on the other side that feeds the Aux plugs. But it has to tap off the power cord.

    On the CAN LYTICS. If you have wiring going to the ground lugs on the perimeter of the can's, leave them be. You're only interested in the lugs in the center of the CAN. Move these to a lug on the terminal strip. Connect your (+) Positive side of a lytic to that connection, and the (-) negative to the ground at the can. Which means the terminal strips will be right up and on the can caps. I would spaghetti sleeve as much as possible all the bare leads to and from the caps, as they may cross over each other.
     
  2. gadget73

    gadget73 AK Subscriber Subscriber

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    In this case the switch is in the turntable. I'd put the fuse between the power cord lead and the wire out to the turntable.
     
  3. Sonorous

    Sonorous New Member

    Messages:
    12
    Thanks guys. I will give it another look. I understand what you are writing, but not 100% sure I understand what you are telling me. My rookie status is definitely showing.

    Larry - speaking of rookie mistakes, I already unsoldered all the leads from the tabs. Seemed like a good idea at the time. Still haven't figured out why they had a wire connecting tabs on all 3 EL's, but probably not worth worrying about. Don't worry, I've been spaghetti sleeving just about everything.

    Gadget - There is an off switch on the main panel. Is this not the power switch?
     
  4. gadget73

    gadget73 AK Subscriber Subscriber

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    Location:
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    It has two then? Sometimes phono-only consoles used the turntable as the switch. Ones with tuners had one on the front panel but the turntable was the switch in phono mode so it shuts down. If one power cord lead goes straight to the transformer, the other one has to have the switch in it. It may be that it loops through the turntable, or maybe it splits at the turntable power connection and also runs up to the main panel switch. Without seeing a schematic or knowing this specific model I'm sort of guessing at it, but either way the other power cord line goes through a switch to the transformer.
     
  5. Sonorous

    Sonorous New Member

    Messages:
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    Thanks again guys. I am just attaching the schematic for reference. Probably should have done that early on. I'll give it a look again this evening.
     

    Attached Files:

  6. gadget73

    gadget73 AK Subscriber Subscriber

    Messages:
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    Location:
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    ok, thats relatively typical then. It runs through the function switch and through the record changer switch. basically its either on when in tuner, or the changer determines if its on in phono mode. Automatic off, it shuts the amp off when the stack of records is done.
     
  7. Sonorous

    Sonorous New Member

    Messages:
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    Slow but steady progress.... 2 EL's down, 1 to go then the fuse and thermistor. Then we reinstall and cross our fingers and power it up. Thanks for the feedback. For the fuse, the comment about one wire running straight to the transformer and the other is the switch clicked for me and makes perfect sense. Seems obvious now, but that's how you learn I guess.

    Any basic checks you usually run before hooking everything back up or just go for it? I'll keep you posted. Thanks again.
     
  8. gadget73

    gadget73 AK Subscriber Subscriber

    Messages:
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    Location:
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    I variac stuff with an ammeter to see if it does anything horribly unpleasant. Dim bulb tester if you don't have one of those. Better to have the light come on than one of the caps go bang and smoke come out.
     

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