old electronics smell

Discussion in 'Electronic Design' started by a7yvm109gf5d1@netzero.com, Oct 28, 2007.

  1. Guest

    I have a TEAC X-3 reel to reel deck. There's this smell that comes out
    of it after about half an hour that I don't really like.
    Does anyone have any insight on late 70s solid-state consumer
    electronics as to what is making a smell like paint or shellac?
    I think the power transformer is coated with something that smells
    when warm.
    If could get a better idea of what it is I can maybe replace the part
    or clean it up.
    I'd investigate more myself but the thing is a bit bigger than what I
    can handle right now in my tiny lab space.
    , Oct 28, 2007
    #1
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  2. Phil Allison Guest

    <
    >
    >I have a TEAC X-3 reel to reel deck. There's this smell that comes out
    > of it after about half an hour that I don't really like.



    ** Old tape recorders never die - they just smell funny.

    ( Apologies to F. Zappa )


    > Does anyone have any insight on late 70s solid-state consumer
    > electronics as to what is making a smell like paint or shellac?



    ** Not very likely to be the AC transformer or a motor - unless the unit
    has a serious fault.

    More likely the smell is from a high power resistor in series with the take
    up motor to reduce torque in play & record mode.




    ........ Phil
    Phil Allison, Oct 28, 2007
    #2
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  3. hath wroth:

    >I have a TEAC X-3 reel to reel deck. There's this smell that comes out
    >of it after about half an hour that I don't really like.
    >Does anyone have any insight on late 70s solid-state consumer
    >electronics as to what is making a smell like paint or shellac?
    >I think the power transformer is coated with something that smells
    >when warm.
    >If could get a better idea of what it is I can maybe replace the part
    >or clean it up.
    >I'd investigate more myself but the thing is a bit bigger than what I
    >can handle right now in my tiny lab space.


    Likely candidates are
    - dust.
    - melting insulation.
    - boiling electrolyte belching from partly dried electrolytics
    - mice, rats, ants, or other insects or critters.
    - burning rubber idler wheels.
    - dried oil on the bushings (varnish).
    Anyway, it's difficult to tell from here. I would leave it unplugged
    until you have a chance to rip it open and look inside.

    --
    Jeff Liebermann
    150 Felker St #D http://www.LearnByDestroying.com
    Santa Cruz CA 95060 http://802.11junk.com
    Skype: JeffLiebermann AE6KS 831-336-2558
    Jeff Liebermann, Oct 28, 2007
    #3
  4. wrote:
    > I have a TEAC X-3 reel to reel deck. There's this smell that comes out
    > of it after about half an hour that I don't really like.
    > Does anyone have any insight on late 70s solid-state consumer
    > electronics as to what is making a smell like paint or shellac?
    > I think the power transformer is coated with something that smells
    > when warm.
    > If could get a better idea of what it is I can maybe replace the part
    > or clean it up.
    > I'd investigate more myself but the thing is a bit bigger than what I
    > can handle right now in my tiny lab space.


    It may contain phenolic paper circuit boards (orangish
    instead of the greenish fiberglass epoxy). These give off a
    very distinctive odor when components mounted on them get warm.
    John Popelish, Oct 28, 2007
    #4
  5. Jim Stewart Guest

    wrote:
    > I have a TEAC X-3 reel to reel deck. There's this smell that comes out
    > of it after about half an hour that I don't really like.
    > Does anyone have any insight on late 70s solid-state consumer
    > electronics as to what is making a smell like paint or shellac?
    > I think the power transformer is coated with something that smells
    > when warm.
    > If could get a better idea of what it is I can maybe replace the part
    > or clean it up.
    > I'd investigate more myself but the thing is a bit bigger than what I
    > can handle right now in my tiny lab space.


    I love that smell.

    Reminds me of The Mill when I worked for
    DEC, or the inside of a telephone exchange
    building. Hard to find that smell anymore.

    Sorry you don't share my love for it...

    Try burning some incense.
    Jim Stewart, Oct 28, 2007
    #5
  6. Guest

    On Oct 27, 9:26 pm, Jim Stewart <> wrote:
    > wrote:
    > > I have a TEAC X-3 reel to reel deck. There's this smell that comes out
    > > of it after about half an hour that I don't really like.
    > > Does anyone have any insight on late 70s solid-state consumer
    > > electronics as to what is making a smell like paint or shellac?

    >
    > I love that smell.


    It's not bad, but the ladies don't like it. My space-age 70s love
    shack is perfect except for that smell.

    > Reminds me of The Mill when I worked for
    > DEC, or the inside of a telephone exchange
    > building. Hard to find that smell anymore.
    >
    > Sorry you don't share my love for it...
    >
    > Try burning some incense.


    Gack, that gets into everything, and they all smell nauseating. I
    guess I'm not such a 70s guy after all.
    , Oct 28, 2007
    #6
  7. Guest

    On Oct 27, 9:16 pm, John Popelish <> wrote:
    >
    > It may contain phenolic paper circuit boards (orangish
    > instead of the greenish fiberglass epoxy). These give off a
    > very distinctive odor when components mounted on them get warm.


    Very true, thanks, forgot about that.
    , Oct 28, 2007
    #7
  8. boB Guest

    On Sat, 27 Oct 2007 19:26:01 -0700, Jim Stewart <>
    wrote:

    > wrote:
    >> I have a TEAC X-3 reel to reel deck. There's this smell that comes out
    >> of it after about half an hour that I don't really like.
    >> Does anyone have any insight on late 70s solid-state consumer
    >> electronics as to what is making a smell like paint or shellac?
    >> I think the power transformer is coated with something that smells
    >> when warm.
    >> If could get a better idea of what it is I can maybe replace the part
    >> or clean it up.
    >> I'd investigate more myself but the thing is a bit bigger than what I
    >> can handle right now in my tiny lab space.

    >
    >I love that smell.


    DITTO !! In fact, there's another smell I like... The old ditto
    machine copies they made in elementary school. That and
    the smell you're talking about... Old military radios and telephone
    central offices.

    Another smell that takes me back is tuner cleaner...
    Takes me right back to high school days when I had to spray the
    buttons of my old blue box when phone phreaking.

    boB


    >
    >Reminds me of The Mill when I worked for
    >DEC, or the inside of a telephone exchange
    >building. Hard to find that smell anymore.
    >
    >Sorry you don't share my love for it...
    >
    >Try burning some incense.
    >
    >
    >
    boB, Oct 29, 2007
    #8
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