Question about Technics SL-1210 Turntable

9 Answers

Both working one day and then wont the next??

I literaly had a mix one night and then went to switch both my decks on the next morning and they are dead??? I have checked both of the fuses inside both decks but they are fine, i have changed the fuse in the plugs but no joy??? im getting really confused could it be the power supply??? If it is how do i check where do i get the parts and how much is it gonna cost? I just find it really wierd i could understand one but both is just plain odd?

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  • dj_dubbzie Nov 11, 2008

    no ive had it in different rooms defo not the power outlet! its just really strange! i've never known anyone else thats has had this problem

  • dj_dubbzie Nov 11, 2008

    no ive had it in different rooms defo not the power outlet! its just really strange! i've never known anyone else thats has had this problem

  • dj_dubbzie Nov 11, 2008

    can you explain how i would test if it was eithet one of those componants?

  • dj_dubbzie Nov 11, 2008

    nope defo something inside of the deck preventing them from working

  • dj_dubbzie Nov 11, 2008

    right, is this a common problem that people have?

  • dj_dubbzie Nov 11, 2008

    yeah there was a power cut so its looking more like its the transformer! is there any other likely things it could be before i pay £35 easch for 2 new transformers???

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9 Answers

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You can try to replace the power circuit board on the unit :if you want the part you use this link to get part number for the unit ,,Please click here and enter the model no and you will get the parts list ...


Good luck...

Posted on Nov 11, 2008

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Its enough to change transformer.

But did you check for any faulty capacitor on power board ?

If you have not checked have a check over it .

Posted on Nov 11, 2008

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If you remove the bottom, you can find the fuse. It is a glass fuse on a small board. Just follow the A/C cord into the unit and it will be on the same board that the A/C is soldered into. That would be the first thing to check after you make sure that the unit is properly set for your A/C outlet. This unit has a switch on it for 50 or 60 hz, depending on what country you live in. U.S. is 60 hz.

The bottom has a lot of screws to take out, but it is not difficult to do, just time consuming. If you need a manual, I can email it to you.

Dave

Posted on Nov 11, 2008

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Hi,

Initially, was there anything out of the ordinary after you used the units? Say a power outage/interruption, thunderstorm or near lightning strike?

As you implied, both to go dead simultaneously is odd. It has to be an external factor. In any case, pls start diagnosis on the transformer/power supply. You would need a continuity tester (DVM or VOM). Additionally, if your version uses an external power supply, you may want to start checking if it has an output (34V DC) or the built-in regulator (21VDC). The illustrations on this page may be of additional insights as well as some of the discussion here.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information. Good luck and kind regards. Thank you for using FixYa.

Posted on Nov 11, 2008

  • Louie  Role
    Louie Role Nov 11, 2008

    Hi again,

    The transformers could be easily checked with the use of a continuity
    tester (VOM/DVM). Priority concern would be the primary side. Using the
    multitester/continuity tester, there should be a reading and not "none"
    no deflection/display. When you connect the two (2) testprods (red
    & black) to the two wires/terminals of the primary side of the
    transformer, the meter/display should show a resistance.

    Alternately,
    you could disconnect the transformer (just make notes how it is
    placed/connected) and ask any electronics technician/store/shop to
    check the continuity for you.

    Again, an open primary would
    require replacement. On the other hand if the transformer checks out,
    then it would be any of the components of the power supply.


  • Louie  Role
    Louie Role Nov 15, 2008

    Hi again,

    Any development(s) so far?


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Hi!!
try to check the power
use a tester on it

Posted on Nov 11, 2008

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Try it in a different power socket and see if that makes any difference. Then check to make sure a short did not occur while you had the mix by moving the cord around at the back of the turntable and see if anything happens power wise.

Posted on Nov 11, 2008

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If you are not sound in technical knowledge its better take your device to the technical person, the fault is in the power supply , some times its not necessary to replace the whole supply a minor resistance or capacitor change will be ok

Posted on Nov 11, 2008

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Voltage may not enter into it...check the internal parts

Posted on Nov 11, 2008

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  • Technics Master
  • 19,396 Answers

CHECK THE POWER OUTLET FIRST.


The power supply is rather unlikely, unless the two tuurntables share the same power supply.

Posted on Nov 11, 2008

  • Ginko
    Ginko Nov 11, 2008

    Start concentrating on a single turntable first.

    Try first a different power outlet, do not use extensions or adapters.

    Double check the fuse in the power plug, replacing it again.

    The only possibility that both turntables had gone at the same time is if there had been a power surge or a major problem with the AC power, such as a short.
    Even in that case it is quite weird that both units had gone at the same time.

    Get a multimeter and start testing the power cord. Check for continuity, if it has infinite impedance, then replace the cables.

    If cables are ok, then units must be taken apart and component inside checked, a component that blows quite often are the capacitor on the power board area of the circuits.

    I still think it is probably the power outlet, or a faulty extension.




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http://1200s.com/Store/advanced_search_result.php?keywords=Power+Source

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