I need to replace the power cord on my Technics 1200 MK2...I already know how to disassemble the turntable, and I know the new cord needs to be soldered on...but not sure which connection is the positive and which is the negative?
As long as the only thing damaged is the power cord, this should be easy. You said that you needed to know how to tell which side is positive and which is negative? The power cord carries alternating current not direct current. So in this case, polarity really isn't important. The same applies to the two yellow wires supplying the main motor board. They are A/C too. As long as the replacement cord you use is of equal or higher power handeling, and you make sure your connections are solid, it will work fine regardless of polarity. Just be sure the only problem is the cord. Check this link to be sure. Good luck, EW.
This link is a must have for anybody diagnosing a problem with a SL1200/1210. Take a look:
http://www.deckdoctor.com.au/TECHNIC%20SL1200%20PCB.pdf
I’m happy to help further over the phone at https://www.6ya.com/expert/erik_149c4c1c216e42f2
SOURCE: Technics 1200 MK2 displaying irregular speed to include dragging and slowing
It sounds like the pitch slider needs to be replaced...
Mikey's Hook-up
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SOURCE: technic 1200 mk2 turntable wont spin
need to know if it powers up. Does it try to spin, do you hear it trying to spin? More than likely the on/off switch went bad. No, I am not referring to the ON/OFF knob. THere is a switch this engages when turned. The part is S601. You might also want to replace the Start/Stop switch as well. If neither work, then the issue is on the main PC board, and probably IC101, or IC201 with the problem. At this stage, you will have to have a service tech look at your unit.
SOURCE: Technics SL-1200MK2 Turntable i need to replace the on off switch on a mk2 technics 1200 any
The part is located HERE - but you will have to take apart your turntable from the bottom in order to replace it. It's not very hard, but if your not mechanically inclined, I would not suggest doing it, as you could cause more damage.
- OPTiC
The 1200s Expert
www.1200s.com
SOURCE: help for technics 1200 MK2 and 1210 Speed is too fast
On the 1200MK2 the pitch control slider is for just that purpose. Disregard the 0 setting and use the illuminated strobe marks on the platter to adjust to nominal speed. When they appear to be motionless you are there. The control on the 1210 may be a knob but the same principles apply.
http://en.wikipedia.org/wiki/Technics_SL-1200
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