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Anonymous Posted on Feb 26, 2019

Replaced belt on Fisher MC 617 but turntable spins occasionally but not every time tone arm is lifted How can this be fixed

5 Related Answers

Anonymous

  • 3 Answers
  • Posted on Jul 25, 2007

SOURCE: technics mk2 tone arm replacement

once you soldered to circuit board place - this might help Advanced Tonearm stuff Tightening the suspension on your tonearm Some TT's have tonearms which seem to be loose. If you grab the tonearm and pull it gently back and forth and it seems loose you can tighten it. It shouldn't move at all. A loose suspension can severely affect it's performance - from jumping needles to binding. It's pretty easy to tighten the suspension. You'll need a small flat screwdriver and a large one. Use the large one to loosen the outer locking screw on the top of the pivot point. Now use the smaller screwdriver to loosen up the smaller screw. Put a drop of oil where the bearings are (under that top support on the other end of the adjustment screw) so that it doesn't bind. Now tighten the small screw slowly until it just contacts the bearings. Adjust the tightness so the tonearm doesn't wiggle if you pull on it but leave it loose enough for the tonearm to pivot freely without binding. Adjust carefully and don't overtighten otherwise the bearings will be damaged! When done, tighten up the locking screw. Tightening up the headshell locking ring Have you put on your headshell, twisted that knurled tightener at the end of the tonearm as tight as possible and have found that the headshell still moves around? What will happen is that the headshell won't sit parallel to the record but may be tilted as a result of twisting of the headshell. This usually occurs when you change headshells a lot or if you've had your turntable for a while, and can contribute to needle jumping so here's what you do to fix it. First read 3.2 on base disassembly. Remove the rubber base. There will be this big piece of hard black plastic covering almost everything. You'll need to remove it. To remove the tonearm assembly look for three screws (all formerly under that black plastic) and unscrew them. Be careful not to drop the tonearm when you remove that last screw! Now, remove the tonearm assembly from the rest of the 1200, and look at the bottom of the tonearm where the headshell is put in. There will be two tiny philips screws there. Get a jewelers screwdriver of the CORRECT size and tighten those up. Put the headshell on and try wiggling it to make sure everything is right. Now put your tonearm back on and close everything back up. hope this helps peace DJ Nyce

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Anonymous

  • 518 Answers
  • Posted on Apr 01, 2008

SOURCE: Cueing Problems on Technics SL-1300MK2

Usually the damping fluid is to let the tone arm lower slowly, lifting is usually a mechanical link. Read THIS.

Hope that helps...

Geno

Anonymous

  • 319 Answers
  • Posted on May 07, 2008

SOURCE: fisher turntable mt 6410 removal

Look at spindle bearing in center of t-table. There is probably a small ring lock there holding the table. Use a pick or small screw driver to carefully remove this ring.

Anonymous

  • 1 Answer
  • Posted on May 21, 2008

SOURCE: Technics SL-23 belt driven turntable (NOT SL-1210 but I had to enter something)

Howdy Ivy:

An Adobe PDF format service manual for the Technics SL-23 turntable can be downloaded from

http://www.servicemanuals.net/

for about $16.

Good luck!
Paul H.

Nathan Oakes

  • 5 Answers
  • Posted on Jan 15, 2010

SOURCE: fisher turntable mc-715 has power but table won't

What's likely is that the belt that drives the turntable has snapped. The MC-715 is a mid-late 80's model, so the rubber the belt is made of has had it. A google search for mc-715 belt will turn up a source for a new belt, which you can install fairly easily. There should (though it may be missing) be a hub in center of the platter that you turn to allow playback of 45's. This is removable, simply fit a flathead screwdriver into the side where the raised lines are and pry it away. If it's already missing, then don't worry about it.

You should now see the spindle (silver metal axle/pole that the platter revolves around). At the base of the spindle there will be a black metal circlip. This holds the platter down, and it will have to be removed. Use the flathead screwdriver again to pry it off. You should be able to do this by putting the tip of the screwdriver into one of the two openings on the circlip and using a twisting/prying motion. Once this is off, simply lift the platter off. Remove what's left of the old belt. Even if the old belt is still in one piece, chances are it's too stretched out to be of any use anymore. You will see a track for the belt on the underside of the platter. Put the new belt around this. It will be too loose be a little, but this is to allow for it to stretch and reach the motor spindle (the brass colored spindle off to the right on the now-exposed inner workings.

Along the rim of the underside of the platter you'll see a little plastic peg. Hook the belt onto this. Now, put the platter back on the silver spindle in such a way that the triangular hole where the belt is pulled away from its track by the bit you hooked onto that peg goes over the brass spindle. Once it's down and secure (you may have to wiggle it a little in order for the little gear on the underside to line up correctly) you should turn the platter clockwise. In theory, this should cause the brass spindle to pull the belt off the little peg and onto itself, thus connecting the belt with the drive motor. At this point, move the needle off its stand to see if the belt connected. If not, just repeat the belt-peg-spindle part. It may take a few tries, but it will work sooner or later. After it's turning properly, just replace the circlip that holds the platter down (you'll probably want a pair of pliars to push it on, it's a stiff little thing), and replace the plastic 45 adapter.

Good luck!

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Turntable Stopped Turning

If it's belt driven, maybe it snapped. It's just rubber.
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My Fisher MC-723 turntable is spinning very slowly on 45 rpm. I'm unable to play any of my 45s. Not sure if I need to replace the belt.

I totally agree Andrew, of all the turntables we have repaired over the last 40 years I've never seen a belt cause one speed to not work, according to the manual this lists a replacement belt, I was thinking the same thing you were, this is an electronic issue, generally there is a resistor or capacitor that slows the motor down for 33 rpm, it runs at full speed on 45, I've also seen an actual variable voltage motor although that's not common,so the theory of it being an electronic issue seems strange as well. If it actually has a belt I'd look for something miss aligned, where it's not moving the retainer all the way over for 45 RPM. This is kind of a hard one to diagnose without seeing the unit
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Crosley turn table is not spinning. Tried replacing belt and moving cue lever to right then left. Think it might be the arm or cue lever. Does anyone have an idea what the problem is or a solution?

Since it is new, you should probably return for refund or exchange.
My guess would be it is the micro switch controlled by the arm.
Make sure the power is turned on and the unit's function selection is set on PHONO and then gently move the tone arm to the right until you hear a "click". Remove any cassettes that might be in the cassette player. Lift the tone arm and carry it over to the beginning of the record.

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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.
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How do I access tone arm belt and motor on a Pioneer PL-L30 turntable?

Try lifting up the turntable mat. You should see a hole. Note how it fits before removing the belt.
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Linear tracking turntable realistic lab 2100 ...the arm doesnt move at all? Is there a way to fix it?

i recently bought one with the same issue. it has nothing to do with a turntable belt as the list of useless suggestions state below. you must remove the lid (when open, it should slide out by lifting directly upward), then you remove the rubber mat and metal plate. there you will see a plastic cover held on by 5 or 6 small screws...remove those and the cover. this cover exposes the opening that your tone arm will have to be above to remove the entire plastic shell that houses the entire inner workings. So, with the power ON...use the << button to move the tone arm over the opening (you may want to give a gentle push to the mechanism to guide it along). Once it's over the opening, you can begin to remove the entire cover. there are three screws on the top side of the unit (way down in three holes that were under the platter), then there are a number of screws on the bottom of the unit around the outter edge and one near the center. With those screws taken out, the cover should be able to be removed. Inside the unit, on the left (all the way to the back) is your small motor that spins a small black belt that turns the gears that pull the tiny steel cable attached to your tone arm assembly. On my turntable, this belt had sat so long that it had conformed into an oblong shape and wouldn't spin properly around the two wheels/pulleys. Make sure that you still have a belt there. If not, search the global interweb for one...$5-15 maybe?! I was able to remove my belt, cleaned it up a bit with soap and water (made it slightly pliable and tacky enough not to spin on the pulley/wheels), then put it back on AND........it works now. Hope this helps?!?!
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Tone arm will not move over on self-start unless

Hi, they are not an auto start model turntable. To start lift tone arm off rest and move into position at start of record. It will automatically lift and return to rest as well as shut off at end of record. cheers john ,, Styluscity.com
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Tone Arm skips past first song

Hello, A. Do not try to close the case when there is a record inside!! The fact that the turntable cannot do this is not a design flaw--you'll be hard pressed to find a portable turntable that can close with a record inside because if you were to pick up the player with one inside, it could easily slip off of the spindle and scratch against the sides of the player.
B. Are you using the cueing lever to lift the tone arm before you place it on the record? Read the instructions to see where the cuing lever is (it's a little switch on the right side of the tone arm). When you lift it, the tone arm will lift up and allow you to position it wherever you want on a record, then you depress the lever to make the tone arm touch the record and being playing.
I hope that helps!
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