Question about Technics SL-1210MK5 Turntable

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Needle skipping & not pushing down

I have an older technics player and no matter how i adjust the weight on the arm, the needle races inward, or if i can get it to stay, it does not press down hard enough to play the record?

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There should be an "anti-skate" adjustment to control the arm moving across the record. It is possible that lubrication has stiffened up as well. This unit may need a general overhaul/cleaning.

Dan

Posted on Jul 20, 2009

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2 Answers

I've just set up my Technics SL D212 turntable after moving house. It keeps skidding across records. I've tried the usual adjustments and leveled the turntable. Any clues?


Please make 100% certain the needle is still in place... To test this *GENTLY* rub your fingertip over it and you should hear noise from the speakers when you do. If there is NO noise then there is likely no needle.
Did you put the protective device on the needle/arm for the move? Is it still on there?
Sorry Mate, that the only thing I've got to help....

Feb 20, 2012 | Technics Audio Players & Recorders

1 Answer

Needle skips


A needle is a precision part. Look to see if the needle has a conical point descending from the cartridge needle carrier. If not, replace the needle.
*Always protect the needle while you adjust things!
Pressure is essential for the needle to track. Turn the weight down until the needle just floats above the record. Zero the weight by turning just the weight indicator, not the weight. Now turn the weight to add 1.2 to 1.5 grams. (Always use the manufacturer's recommended weight if different!)
A level surface is important. Make sure the turntable is level.
Test the arm bearings:
Adjust the weight until the arm floats. With a feather, gently push the arm towards the center. Now gently push it back. The arm should move smoothly with no hesitation and easily. Reset the weight to 1.5 grams or less.
If your cabinet is moving when you walk around, the records will skip. Find a different place for the turntable or don't walk around. In severe cases, raise the weight to 1.75 to 2 grams, but this wears the needle fast an can cause distortion.

Mar 22, 2010 | ION Audio Vinyl Recording Turntable

1 Answer

Tone arm skipping records.


The anti skate adjustment. And if you scratch @ all....move the weight all the way in and take off the little extra one that screws in on the back. Also a great tracking needle is a M44G.

Mar 03, 2010 | Technics SL-1200 Turntable

1 Answer

Technics sl 1200 MK2 WEAK SOUND


Regarding the poor sound quality (and possibly the skipping):
check the needle condition, see if exchanging it with a needle (or the entire pickup head) from a working turntable does any good.

Check the pickup connection pins (contacts on the pickup head and on the end of the wires coming through the arm from the unit), see if there is any dirt or oxydation and clean the contacts if necessary, also check for any damage to the wires.

As for the skipping - a heavily worn needle may affect the sound quality and cause skipping as well - if cahnging the needle (or the pickup head) doesn't make a change, try to realign the weight on the tone arm so that the pickup head will become a bit heavier, this could help somewhat (before you actually try to realign the weight, try to put a small coin or a small weight of some kind on the pickup head while it is playing a record, if the skipping goes away, you need to realign the tone arm weight).

This could also be a problem with the tone arm lifting mechanism (may be obstructed by something or damaged so it won't let the tone arm sit properly onto the record and "grab" the groove).

I just mentioned a few things you might want to check, but don't take anything for granted, the problem may as well be elsewhere in the unit.

regards

Triarcuate

Sep 22, 2009 | Technics SL-1200 Turntable

2 Answers

When i backspin the arm is forcing itself off the vinyl


IMO the problem can be solved in 2 ways, either move the counterweight on the back of the arm towards the turning point of the arm ( by just adjusting it 10 - 20 % of an whole spin you can adjust a lot), or buy an other needle which is heavier then this one...

Jan 29, 2009 | Technics SL-1210 Turntable

1 Answer

Adjustments on Technics SL-B2 Automatic Turntable


the pitch is just the speed, adjust to your liking.

"How do I adjust tracking pressure and anti skate?
If you are lucky enough to have these two adjustments here's how: Move tracking force counter weight till needle suspends/hovers above record. then rotate numbers to zero. (this is zero grams pressure on record) then rotate weight AND numbers to recommended tracking pressure for your needle usually 1.5 to 3 grams is average. Then rotate anti skate to be equal. That should get you there. If you still have adjustment related distortion then it may be time for a new needle.
NOTE: Anti skate is adjusting side to side pressure WITHIN GROOVE of record. Tracking pressure is how hard the needle is pushing down inside the groove." from

turntableneedles.com/FAQs_ep_33.html

lots of crackles are caused by crummy records and needles. to some small degree are unavoidable no matter what, but above all the records must be clean.

someday the manual may show up for free here
http://www.vinylengine.com/library/technics/sl-b2.shtml

Dec 02, 2008 | Audio Players & Recorders

1 Answer

Hi, I have recently purchased a pair of technics 1200 mk2 turntables. One works fine but the other skips, even though I have tried adjusting the height of the arm and adjusting balance etc, no combination...


there may be a weight missing on the arm , look at the other one to see the parts on that arm and make sure they are exactly the same nothing missing , otherwise there may be something wrong with the armitures guide
try tape on a penny then put it on top of the arm and see if it still skips

electech

Oct 31, 2008 | Technics Audio Players & Recorders

1 Answer

The record player skips


Hi There,
From your description it sounds like there is insufficient weight on the needle end of the pick up arm.

The pickup arm is very delicate in its balance at the "rear arm end" fulcrum.

This weight is adjustable to allow the needle to press on the music track to an exact pressure and it is adjustable so that this pressure does not damage the music track.

There should be a wheel type thingy at the rear end of the pickup arm.

This wheel is usually marked in Grams, and to make the needle end heavier to stop "skipping' you turn the wheel to wards the + sign.
This + sign means more weight on the needle.

There also should be a - sign, and the wheel, when turned in that direction, the weight on the needle is reduced.
You need to be aware that a needle really needs to exist in the cartridge as they can be broken off very easily and if there is no needle present there, then there is no way you will get any music from the turntable.

So check there really is a needle there...use a magnifying glass to see....

If thats OK then place the needle end of the pickup arm on to the record surface and turn the weight wheel until the needle just lifts from the record surtface.
Now that this stage has been received turn the weight wheel in the reverse direction by around 5-7 grams in the heavy + direction.

The needle should now be resting on the records surface and not lifting at all.

It should play like this,,,BUT please ensure the record player is on a perfectly flat surface the
needle wont work on any incline at all...

If you turn the amp on in the phono switch position and carefully hold the needle over the record and touch the needle with your finger you should get a scratchy sound from the speakers.....

This is a basic test to ensure the amplifier and all the wiring is in place and doing its job..
Im Sorry you had a run around from the repair company but some of them are not interested in repair work any more they just want to sell new hardware...
It pays to ask if they are Pepared to repair stuff for you , then get a commitment of a reasonable repair date and time in writing.

If this date and time is exceeded then you dont have to pay for the repairs do you??
As they have missed the service level agreement you had with them for the reapir date and time..

Hope this helps
From
YUBEUT..

...




Aug 13, 2008 | Teac GF-350 CD Shelf System

1 Answer

I balanced my tonearms correctly. i think .. but the stylus jumps off the record and when i back spin (cue) the needle skates drasticly. can you walk me through the balancing proceedure and tell me how to...


Balancing the tone arm is a two step process. Set the needle weight adjustment to zero(0) and make sure that the tone arm is balanced. It should rest horizontally without touching anything. Next, set the needle weight (usually 1.5 grams). Both adjustments should be on the rear of the tone arm. That should cause the tone arm to drop toward the record and have the correct pressure for the needle. Also, check the anti-skate adjustment. If that is off, the behavior you describe will occur as well.

Dan

Jul 21, 2008 | Technics Audio Players & Recorders

1 Answer

Re:


Hi Vat,
Although I live in Canada now, I was born in the former
Czecholsovakia. While I spent a year in the Czech Republic in
2006, I was amazed how advanced their technology was, in
comparison to Canada or the US. If you want modern technology,
Prague is the place to go. Anyway ...

1) As I said before, do NOT adjust the tone-arm weight up
and down. This setting must be set to match the stylus and
the cartridge !!! The wrong setting is very bad.

To get the weight adjusted correctly, do the following.

a) Check the cartridge and stylus (needle) specifications, on
the WEB if necessary.

A typical tracking weight is between 0.9 grams to 1.5 grams,
but this very much depends on the needle geometry. To much
weight will damage the needle and the record, but

so will too little, because the needle will not stay on the
surface, skipping or mistracking on loud passages.

Note that the tracking acceleration is proportional to the
the square root of the loudness, multiplied by the frequency
squared. So if the tracking force is too low, the needle will
bounce over high frequencies and damage the record as
well as the needle's tip.

2) Once you know the correct force for your needle, adjust
the rear weight for ZERO force, such that the needle just
floats weightlessly in the air. If your turn-table has an anti-
skating adjustment, set that to zero as well.

3) At this point the tone-arm should be totally weightless,
and should neither touch the plater nor swing up/down
by itself. It should float halfway.

4) A this point, adjust the rear weight's dial (not the weight) to
read zero. Note that the dial will slide, while you hold the
weight still. You have now calibrated the tone-arm's zero
point.

5) Now, adjust the weight (with the dial) to read the desired
tracking force, for example 1.25 grams.

6) Now adjust the anti-skating dial to the same number as
the rear weight. This setting compensates for the radial
(towards the center) component of the friction vector,
caused by the needle riding on the record groove, at some
specific (average) tone-arm angle.

7) Your tone arm is now balanced, and you should not
touch it after this, accept for minor adjustments.

For brand new records, you may lighten the tone-arm
by 10%. For old records, you can make it a little heavier.
Similarly, you can adjust the anti-skating to prevent a
record from skipping, but a bad record should be played
only once (and stored on your computer).

8) For some tone-arms and cartridges, the cartridge pitch
(up/down angle) is also adjustable. This requires a special
jig or gauge, supplied by the cartridge manufacturer.

The pitch can be adjusted either by the use of screws or
wedges, and by lowering / raising the rear gimble. On my
Technics SL 1200, the gimble elevation is adjustable with
a large ring, and my SURE V15 cartridge came with a guage
for adjusting it correctly.

9) It may also be possible to adjust the cartridge's yaw and
radius, but all of these adjustments should only be done
using the correct gauges and by strictly following the
cartridge installation manual.

10) NONE of these adjustments should effect the tone-arm
cueing or return process. There should be plenty of
clearence if the cueing mechanism is working properly,
except, perhaps, for the gimble elevation, if the cartridge
is unusually tall.

11) Is the cuing mechanism (i.e. the tone-arm lifter)
mechanical or hydraulic ?

Is it the lift consistent or does the tone-arm drop down
with time?

Does the tone-arm move parallel to the plater, or does the
stylus height change with tone-arm position (yaw)

You are looking for a mechanical defect in the cuing
mechanism.

12) How much over all lift do you get between the down position
and the up position? This should be at least 8 to 15mm

If the cuing mechanism is worn out, it may not move enough.

If it starts too low, it may move enough but not raise the
needle enough to clear the record.

If the cartridge is tracking too low, you may have to
remove some wedges or spacers between the cartridge
and the head, or lift the rear gimble if it is adjustable, or
get a different tone-arm head, that matches the cartridge
profile.

Finally as silly as this sounds, make sure that the
platter is fully dropped and properly engaged. If the
plater is too high, for what ever reason, this would also
cause the needle to drag.

Also make sure that the rubber mat on the plater is the
right one and that it is not too thick.

Martin


installation manual.

Jul 02, 2008 | Audio Players & Recorders

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