Question about Technics SL-1200MK2 Turntable

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Power switch woes

The power switch on my turntable is broken..the black part ontop that rotates has come off and the record player will not turn on.  I am not sure if a piece is missing (it appears that way)...or if it can be fixed.  any suggestions?

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  • vroe Feb 26, 2008

    this worked!  thank you for your help

  • winbert May 30, 2008

    I have a quite same problem. The black knob just separated from the table. And when I took the black knob, it doesnt have any foot that can be tighten to the table (see picture below)





    .


    While the table where the black know was used to be, also does not have any buttom to switch on/off (see picture below). So, how can I put the balck knobback to the table. Secondly, how the system can on/off the table if I don't see any button inside it. Can someone explain this to me.






    Any helps is appreciated,



    winbert (you can also email me at winbert @ hotmail.com)

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Take out all the screws and open up the case.. you should see the post by the switch.. its slid down into the player. carefully push the post back up (not bending anything), dab some glue on the tip and place the knob back on.

Posted on Feb 23, 2008

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1 Answer

Sears model 400.91741 turntable doesn't turn under power. It will rotate when i turn it by hand and the unit is getting power. To start spinning, the instructions say to move the needle arm to the right...


Turntables usually are spun by a 'rubber band' type of arrangement. Look under the platter for a broken belt that would attach to a drive motor and then around the platter. I would contact the manufacturer for the correct belt. You know records are making a huge comeback.

Jan 18, 2015 | Turntables

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My Mt 750 Fisher turns on the table spins a moment but the arm does not move what is wrong?


What you have is a record changer; and malfunctions today are probably more likely that in the past--even after the prestigious Fisher name and price had been largely supplanted in the post war years--before mfg quality control as a customer fault under protection (for sellers) by Warranty dodges had come to the fore. (In actuality, while record changers would would have been favored by record producers--for the rapid rate at which they destroy records--they would have been looked upon with disdain by pro disc jocks as well as high-end audio equipment producers (including Fisher) in favor of single play turntables that don't destroy records that must be played "on the air," repeatedly, hundreds of times per week in successsion.)

1. Did you unclip the tone arm from its resting post?
2. Remove record and turn off platter (name for a turntable record support) drive motor, and unplug the player machine.
  1. While manually rotating platter in PLAY direction (that's CW), actuate PLAY lever to its extent, release, and watch for tone arm movement as you continue platter hand rotation.
    1. (Oh yes, make sure the record hold-down arm is up and rotated outward to prevent hold-down-arm drop from causing changer to return tone arrm to stow post and dis-actuating START lever...such features once accurately called "self stop,: today inaccurately called "auto stop."
      1. ...by the way, could your problem be that you did not lower hold-down arm onto record(s)? ...making the changer mechanism below the platter "think" that all records had been played...so that it swung and stowed tone arm and then Self Stopped the player rather than repeat-playing the top-of-stack record (in order to save changer and record wear and tear)? Is your problem now solved? Just in case not, continue...
  2. As you hand rotate and watch, the tone arm (and release spindle with no record on it) should "recapitulate" its normal, record changing and playing motions--you are simply "handing" in for the platter motor.
  3. If there is a "hitch in the changer's stride" (that means a jam) it will also occur and be felt operating the changer manually. At that point, you will have "set" the changer mechanism in conflict-fault position for facilitating inspection to find the specific problem.
  4. Note that since record-changer-/turntable-type players are permanently confined to level-only use, that means the turntable/changer platform need not be affixed to its base (some are--some aren't) so it might be possible to simply lift the turntable/changer platform assembly up off the base to inspect underneath. Some (possibly most) turntables/ changers, on the other hand, are apt to be fastened to the base (lest the furniture be bumped into...but those typically did little more than prevent tone arms from skating some ot the time) in a suspension arrangement (if not rigidly) that incorporates helical thrust springs and hold-down screws at each hold down point, typically 4 in number. Detaching the platform is apt to involve simply looseing and then over loosening the screws...or by some other obvious or not so obvious means.
    1. Being mindful of any hard-connected wires, unfasten, lift, and invert changer platform to inspect underneath.
    2. Take appropriate corrective action at point of jamming.
    3. Revert and refasten platform and re-run manual-unpowered operation to confirm corrections.
    4. Return power to player and test using a record.
    5. Thank yourself for posting your question...if all or some of the above works.

Oct 19, 2014 | Turntables

1 Answer

What is wrong with my crosely record player?


It sounds like you have lost the power, due to a faulty switch of a fuse failing.

Aug 18, 2014 | Turntables

1 Answer

How do I adjust the auto return on a JVC A-21 record Player? The auto return keeps returning to the holder after the record finishes but then adjusts itself back twd the record and drops just on the edge...


Hi, this problem is caused by the cut off switch not depressing far enough to turn unit off. To remedy you need to do as follows.
1. Disconnect from power supply.
2. remove platter.
3. Flip unit over to expose the underside and remove all screws.
4. Remove base board.
5. Look at the gearing beneath the tonearm and identify switch that tonearm depresses at the rest point.
6. Loosen switch retaining screw and turn switch toward centre of turntable slightly until it clicks or closes. Tighten screw to hold switch firmly in place at that point.7. Reassemble and test.

Good luck. John. Styluscity@gmail.com.

Nov 01, 2011 | JVC AL A158BK Turntable

1 Answer

How do you shift to play records. When I turn to phono on dial it turns the unit off. I have a radio cd player with CR24 turntable


Move the tone arm off the rest on to the record and it will start to spin. There is a switch that turns the player off when the tone arm is on the rest.

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1 Answer

I have a Crosley CR248 cd record player/recorder stopped working


If nothing lights up and the whole unit is dead, you may have a blown fuse, a bad power supply, or an electrical outlet that is not giving you power. (Don't laugh, it has happened to all of us... the "broken" thing wasn't plugged in or the outlet it was plugged into was off for some reason). Anyway, if the thing lights up and everything else in the system works except the turntable going 'round, perhaps there is a slipped or broken belt. Most late-model Crosley turntables have been belt drive, so the first thing to look at if everything else works is to press the buttons to start the record playing and then turn the record gently around with your finger on the label, making the whole platter turn clockwise when looking down at the record. Mechanically, the tonearm should cue up and pivot in to the record and it should gently drop onto the record. If you cue the tonearm up and move it in to the end of the last song on the LP and let it back down and turn the record again, it should follow the record's grooves into the center of the record and then lift and "park" the tonearm after everything is done. During the time the needle is on the record and you are turning the record, you should hear the record playing (it will sound bad, because you won't be turning at the right speed!), but that should indicate that the turntable is working mechanically and electrically.
If everything works like I mentioned except the record player won't make the record turn, the next step is to see why it isn't turning. you'll need to lift the plastic platter off the turntable. Most of these have a snap ring (usually a simple spring wire ring that doesn't go all the way around the center spindle. It may have an E-ring instead. Use a small screwdriver to pop this off and be sure to catch it, it might try to pop off the turntable and fly across the room! Lift the platter and you'll probably find a broken belt underneath. You'll have to replace that to make the records spin again. The hardest part is to locate a replacement belt! If nobody near you stocks belts (lol) then online outfits like LPGear.com can be a source. After you replace the belt and put the platter back on the player, remember to replace the snap ring. You might want to lubricate the platter's bearing with an appropriate lubricant, but that is your call as to whether that will be necessary. This is likely a styrene or simple thermoplastic plastic bearing, so be real careful what you use for a lubricant! if you're not sure, don't use anything! Like I said, it's not a difficult repair, it's just hard to find the part these days! Good Luck!

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1 Answer

JVC - problem. The turntable does not move,


Most modern day turntables are semi-automatic. You move the tonearm from the rest post
over to the record and the platter will start turning. There is a small microswitch inside
either below the arm base or near. There should be a flat bar connected to the base of the arm
and this will actuate the microswitch. The switch is wired in series to the rotation motor.

Solution: 1. Obviously verify the belt is on. Take off the rubber mat and rotate the platter.
The rotation motor is on the left and it has a small brass spindle. The belt should
be visable through the holes in the platter. If not pull the platter gently up, there will
be some resistance. The belt wraps around a smaller inner ring on the underside
of the platter and the rotation motor spindle. If it is degraded it will be stuck to the
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readily available on E-Bay, search term "turntable belt".
2. Obviously check power.
3. Check the microswitch, it should "click", verify with ohm meter.
4. Some turntables have a "cut" or stop function. The arm must return first to rest before
starting again, again the microswitch is the trigger.

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3 Answers

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Oct 10, 2008 | Turntables

2 Answers

Technics 1200


there is a post that goes into the black knob.. that post has slipped down into the table. you need to open up the table by taking out all the screws and taking off the feet (there are a few more screws under the feet too), locate the post and push it back up through the hole... be careful not to bend anything by the switch.

dab a bit of glue on the post and place the knob back on. Done!

Feb 22, 2008 | Technics SL-1200MK2 Turntable

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