Question about Technics SL-1210 Turntable

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Broken pitch control

This is a self diagnosis but i think i have either a pitch or drive problem on my techniks sl-1210mk2 if the pitch control is on 0 then the turntable appears fine but when i either move the fader + or - the platter slows down with a slight jerky movement, even if i move the pitch control to +8 it goes as slow as if it was on -8 there is no difference, can any1 help meee please

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  • Anonymous May 31, 2008

    hi there i have mk5 i seem to have same problem

  • Anonymous Dec 28, 2008

    i have the same problem but its on a pair of ETPs,, i just get the jerky movement like you've mentioned there. Oh well ebay it is.

  • benfreeman09 Feb 06, 2009

    Hi i just fitted a new pitch control to my 1210 mk2 and ive got exactly the same problem. if any one can help please email me at benfreeman09@hotmail.co.uk

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  • 515 Answers

Yep, time to replace the pitch control. You can attempt to do this yourself, however good soldering skills are required (not the time to learn). You will have to desolder the old pitch control, and solder on the new one. Which is why I say, now is not the time to practice soldering on your turntable. You could actually cause more damage.

If after replacing the pitch control, you still have the same issue, then there is something wrong with the drive on the unit. The drive is controlled by various integrated circuits (IC's), and they are known to short out every now and then. The problem is isolating the correct IC. FYI, Technics is starting to discontinue parts, and 1 of the main IC's on this unit is no longer available (IC302 - Nand Gate).

You can order the PITCH CONTROL HERE.

DJ PRO LAB
www.DJPROLAB.com

Posted on Apr 30, 2008

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Posted on Jan 02, 2017

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1 Answer

Erratic pitch movement


I'm afraid it could be many things, most likely nothing to do with the pitch control. I believe you have a Direct Drive motor, so that maybe bad. There is a circuit that operates with a microprocessor(computer) IC, called a Phase Lock Loop, which is what keeps the pitch accurate. Anything there could be bad. More more information, or should you have more questions, please visit my website at audioserviceclinic.com. I may be contacted through the website. Thank you.

Dec 17, 2013 | Technics SL-1210 Turntable

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Should i take it some where to change the pitch controlers or could i do it myself?....


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I have the same exact problem with one of my 1210 MK2 turntables. It seems like the motor is too slow now. When I hit the start button or release the record, it takes much longer to speed up to the normal speed than my other same exact turntable. I don't think it has anything to do with the pitch slider. Please let me know if you find out what the problem is thanks!

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Deck speed up to uncredible speed and wont stop


You both have issues with your drive circuits. There is no easy fix for this. You will have to take it to a repair center to have them serviced.

There are 4 main Integrated Circuits that control the speed/drive and any one or all may have gone bad. We are seeing this alot with these units now.

Wish I could be of more help.

- OPTiC
The 1200s Expert
www.1200s.com
www.repairnyc.com
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Hi... i'm new to the foreign car market...


1st check the #4 fuse (10A) and #10 fuse (7.5A) on the 'under-dash' fuse block.
then #9 fuse (10A) on the 'engine bay' fuse block.

if the fuses are good, the gauge assembly has has "self-diagnostic" feature.

Self-diagnostic Procedure

The gauge assembly has a self-diagnosis function.
. The beeper drive circuit check
. The indicator drive circuit check
. The LCD segments check
. The gauges drive circuit check (speedometer, tachometer, fuel gauge, coolant temperature gauge)
. The communication line check (the coolant temperature signal line between the gauge and ECM/PCM)


Entering the Self-diagnosis Function:
1. Push and hold the trip/reset button.
2. Turn the lighting switch ON.
3. Turn the ignition switch ON (ll).
4. Within 5 sec., turn the lighting switch OFF, then ON and OFF again.
5. Within 5 sec., release the trip/reset button, then push and release the button four times repeatedly.

NOTE:
. While in the self-diagnosis mode, the dash lights brightness controller operates normally.
. While in the self-diagnosis mode, the trip/reset button is used to start the beeper drive circuit test and the gauge drive circuit check.
. lf the vehicle speed exceeds 1.2 mph (2 km/h) or the ignition switch is turned OFF, the self-diagnosis mode ends.

The Beeper Drive Circuit Check:
When entering the self-diagnosis mode, the beeper sounds five times.

The Indicator Drive Circuit Check:
When entering the self-diagnosis mode. the indicators lights (such as: Seat belt indicator light, Door/hatch indicator light, Brake system light. Charging system light, Low fuel indicator light, maintenance required light) blink.

The LCD Segment Check:
When entering the self-diagnosis mode, the odo/trip segment blinks five times.

The Gauge Drive Circuit Check:
When entering the self-diagnosis mode, the speedometer, the tachometer, the fuel gauge, and the coolant
temperature gauge needles go from the minimum position to maximum position, then return to the minimum position.
NOTE:
After the beeper stops sounding and the gauge needles return to the minimum position, pushing the trip/reset button, starts the beeper drive circuit check {one beep), and the gauge drive circuit check again.
The check cannot be started until the gauge needles return to the minimum position.

The Communication Line Gheck:
In the seif-diagnosis mode, after the odo/trip LCD segments check, the self-diagnosis starts the communication line check.
lf all segments comes on, the communication line is OK.
lf the word" Error" is indicated, there is a malfunction in the communication line between the gauge assembly, the multiplex control unit, and the ECM/PCM,
f4a412b.jpgc169609.jpg
Ending the Self-diagnosis Function:
Turn the ignition switch OFF.

Note: lf the vehicle speed exceeds 1 .2 mph (2 km/h), the self-diagnosis function ends.
-----------------------

If everything works correctly during the check, check your VSS (vehicle speed sensor)



Aug 03, 2008 | 2004 Honda Accord

1 Answer

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The fader for the M5G's are the same as for the MK5's. As for cleaning, you will have to do it like you did with the MK2, and go from underneath.

DJPROLAB

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Jan 29, 2008 | Technics SL-1210 Turntable

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