Question about Technics SL-1210 Turntable

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Pitch problem out of nowhere!

My very lightly used/traveled 3-year-old 1210's have never given me a problem until last week at a gig when one of them started pitching erratically...fine at 0%, but pitch up and it would be slowing and speeding seemingly randomly and jerking all over the place. I got them home, used them all week with no signs of the problem, get them out last night for a gig and there it is again, one deck having severe pitch or motor issues...trust me when i say that these decks have very little mileage on them. When the problem occurs, it happens about 70% of the time when i pitch up from 0. Any ideas?

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Ok ive also seen this problem many times and i have solved it many times also by simply cleaning the contacts (metal strips) i use "servisol super 10" switch cleaning lubricant but aftershave (alcohol) works fine. if this dont solve the problem then they will be ready for replacement but as you say they aint done a lot, so i reckon a clean and away :)

Posted on May 02, 2009

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HI Mattgood2

I believe this is a common problem more evident in decks that have a very hard life,
You pitch controls are probably due for replacements so I suggest you take then to the service agents to service them,
unless you know how to do the servicing

I grew up with Decks under my fingertips so I have seen this before and remember the only satisfing fix was a service and the pitch controls had to be replaced,

I thought I would have a go re-servicing myself and found far too many things to cover once the covers were off,

There are many things that need attention on the inside of these decks and the precise placement of each component is vital to the correct operation of this unit,peace of mind really

It takes a small amount of care to maintain these decks,
when they die or fail get a pro to fix the problem.
guess work only makes you look like an "Amatuer"

Please dont be offended (by my words) Ive done it too,LOL
I had a full dance floor and then nothing,the decks got replaced

What have you used to clean the pitch control sliders???

Posted on Aug 06, 2008

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1 Answer

There is power going through my technics 1210,but the platter & strobe light still will not work


how do you know theres power to the unit if theirs no strobe light pitch adjuster light & the platter doesn't spin?
the power comes in & to the transformer first,then through the strobe switch, the transformer is what blows when you short the target light out.....i've seen this many a time when people try & change the target lights to blue neon.

Mar 04, 2013 | Technics SL-1210 Turntable

1 Answer

Pitch wobble 1210


i had my decks fixed by these guys they are in london.

thier websites is www.technics1210repair.co.uk

they do technics turntable servicing

check them out.

im only spreading the word due it i had my decks fixed their and i am so pleased im telling everyone so they can get the same service i did, rather than paying over the odds at some **** toster repair shop.

alan

Apr 23, 2010 | Technics SL-1210 Turntable

1 Answer

Technics Turntables


Sounds like you need a new pitch control. YOu can purchase a pitch control separately and install yourself, however soldering is required. You will have to solder off the old board, and solder on the new board.

You can purchase the PART HERE

- Davis
DJ PRO AUDIO
www.djproaudio.com
www.repairnyc.com
www.1200s.com

Jul 16, 2008 | Technics SL-1200MK2 Turntable

2 Answers

Jordi


The speed on the TT is crystal controlled . If that circuit has got an "issue" the speed wont be right.

Also, try cleaning the pitch slider with stuff called Caig "De-Oxit"

Parts Express or Radio Shack sells it.

Feb 28, 2008 | Technics SL-1210 Turntable

1 Answer

1210 mk5g pitch adjustor


switch off for a will and see.
if still bad. check the circuit board under.

with old electronic devices, capacitors are commly the ones that may go wrong/dry. which would cause oscillatory circuit to generate wrong signals or strobe or feebacks. if you know how to take out the circuit board, check it starting from capacitors.

Jan 22, 2008 | Technics SL-1210M5G Turntable

1 Answer

Technics 1210 mk2 problem with pitch and lights


Check that your voltage settings are set correctly. This is located underneath your turntable platter. If you remove the slipmat, you will see 2 holes on the metal platter. Rotate the platter till you see the voltage switch, located @ the 9'o'clock position. Make sure it's set to your correct settings (N.America = 115V / Euro = 220V). If not, you will need a flat head screw driver to switch it. Before you switch it, make sure your unit is off and unplugged. After you swich it, it should be ok.

If your still having issues with the speed and the pop-up light, then there is something seriously wrong, and will need to be checked by a technician. Sometimes a resistor or IC will go bad, causing the speed issue, but for the pop-up light - that's usually faulty wiring generally caused by an incorrect replacement.

Did you buy this new or used? Have you had this serviced recently?

- TWEAK AV LAB
The ORIGINAL TURNTABLE Technicians

Nov 30, 2007 | Technics SL-1210 Turntable

1 Answer

More platter problems


There is no simple solution for this type of repair. One of the drive circuits has gone bad on your unit. This is a common problem, unfortunately, not a simple one. The hard part is finding out which circuit has gone bad. There are a total of 8 various components on the main board which control the drive sequence on the 1200s. Anyone of these, or a combination of a few, could have gone bad.

If you have access to a multimeter and know how to use it, you should be able to tech the issue rather quickly, and I would suggest obtaining the service manual for the exact specs of each circuit. If not, you will need to take it to a qualified service center for diagnosis.

If someone tells you it's your pitch control, it's not. The pitch control will not cause this type of problem. It's either one of the IC's, the resistors, or diodes.

- TWEAK AV LAB
The ORIGINAL TURNTABLE Technicians.

Nov 28, 2007 | Technics SL-1210 Turntable

2 Answers

Platter problem


THE PITCH slider or the variable resistor could have gone faulty. A new pitch is only $25 i think. They may need to salvage the pcb from your old one as technics no longer manufacters them. I've never seen the pitch led stay on lock when the actual pitch is not at zero. Hopefully the pitch did not short out the brake or the variable resistors on the motor's circuitboard.



keep me poted.

Oct 25, 2007 | Technics SL-1210 Turntable

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