Question about Technics SL-1210 Turntable

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Channels Channel 1 (left hand deck) only plays in the left speaker and vica versa for channel 2 (right deck) why? I know its not the mixer as i pluged my deck straight into my amp and the same thing happens. Thanks. dj_signal@hotmail.co.uk

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Could be one of 3 issues:

1) Tonearm
2) RCA Cables
3) Cartridge/Styli

I generally tell people to try different cartridges first. If that doesn't work, then you know it's either your tonearm or your RCA cables. 80% of the time, it's the RCA cables. It's very hard to determine which one it is at this point without opening her up and putting on some new RCA cables to test. If it works, then your good. If not, then you know it's your tonearm, and will need to be replaced.

- DJPROLAB

Posted on Feb 24, 2008

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One channel won't play


With it connected to the amp remove the wires to the cartridge. With the amp on touch each wire with your finger one at a time. On one wire you should hear a loud buzz on the left. On other wire the right. The two other might produce a minor buzz or nothing at all, so ignore them. If you hear the buzz on both channels there's something wrong with the cartridge or the connection to it.

If you don't hear the buzz. Then (1) there's a bad connection between the deck and amp (phono plug or wire). (2) failed pre-amp inside the record deck itself. (3) failed pre-amp in the main amp. (this would not affect any other settings in the amp so tape decks will play normal etc).

May 26, 2012 | Denon Turntables

1 Answer

No sound from left speaker on right deck. left deck is fine. confused! tried unplugging one at a time and only the right plug is working. is there anything simple i can do to rectify this problem? as...


To find out what the problem is try this, swap over the right and left leads from the deck to the amp. If the problem stays on the left channel there's something wrong with pre-amp in your amp. If it goes to the other channel (right dead) it's the deck. Next remove the wires to the cartridge to the deck with the fault. Make a note of how they fit on the cartridge before you do. With the amp connected to the deck and on. Touch (one at a time) each of the four wires with your finger. Two of them will probably produce no sound. But from one wire you should hear a buzz on the left channel and from another wire a buzz on the Right channel. If you get a Buzz on the left speaker then all the connects are good and the cartridge has gone. If you don't get a buzz, then there is something wrong with the left cable connector between the deck and amp.

Jun 01, 2011 | Technics SL-1210 Turntable

1 Answer

Record only plays through one speaker


If it works on Channel One it is NOT the TT. It's a mixer problem. Define the mixer and what else works or doen't work. have you tried another device on Channel 2?

Apr 30, 2010 | Technics SL-1200MK2 Turntable

1 Answer

My Technic 1200's are only playing out of one speaker at a time.


Clearly there IS a setup issue. Take serrato out of the loop for the moment and the mixer. Plug each deck (one at a time) into a hifi with a MM Phono input. Are you getting stereo? If yes, you know the decks are ok. Now reset the mixer completey. All eqs and pans including volumes to 12 o clock position and volumes to 0.
Make sure you connect deck one to a red and white of one phono input channel. Do not use 1 channel from phono and 1 from line. Use both left and right of the phono chanels.
Ok, now hook up the mixer to the amp. Keep the x-fader on channel 1 and concentrate getting a good stereo signal from this one chanel. Now do the same for the other cahnnel.

This should hae helped you to get up an running, if not narrow down the problem.

Apr 18, 2010 | Technics SL-1200 Turntable

1 Answer

Technics 1210's playing out of one speaker / channel


i got my turntables repaired by these guys www.technmics1210repair.co.uk
i did they made my setup work like new so im going to spread the word.
give them a shot

Mar 22, 2010 | Technics SL-1210 Turntable

2 Answers

Only one channel plays.


If you disconect the wires to the cartridge and with deck plugged in to the amp and switched on, you can touch the ends of the wires with your finger. Though there are four wires, only two should produce a buzz, one in the left, one in the right speakers. If you get a buzz in each channel, the rest of the unit is working fine and you have a faulty cartridge or a poor connection to it. If one channel remains dead, then you have a problem in the wires to your amp or an internal fault inside the deck. If internal I suggest you remove the bottom of the turntable and have a look around.

Mar 19, 2010 | Turntables

1 Answer

Sound only from left side speakers!


If you put the good channel from the deck into the right and then left phono imputs of your amp, the sound should come out from the left and right speakers. If it only comes out from the left, then the amp as a right hand channel fault. Now if other devices work on both channels, then it's the pre-amp for the phono socket that has a fault on it. You should be able to find this by following the wires from the phono socket. If you touch around that pre-amp you should get it to buzz on either channel (where it joins with the main pre-amp). Doing this with a screwdriver will pin-point where the faulty part is (working backwards). PS don't short anything by touching to bits of metal together with the screwdriver.
Magnetic cartridges need a small pre-amp before they can be past to the main pre-amp. That's why you can't hear anything with the deck plugged into another line socket.
If you get signal on both left and right speakers with the above test the deck is to blame.

Jan 11, 2010 | Sony PS-LX300USB Turntable

2 Answers

One of my DJ turntables = only left side stereo sound


need to narrow it down, using 1 turn table ONLY with the mixer on channel 1 (the chanel that is working) to test reciever is working properly and sound working on both side of the speakers, this eliminate the first turn table. Next, disconnect the working turn table (1) and connect your second turn table to the same chanel and see if you getting the sound coming chanel 1 just as your first turn table did. If you getting sound coming out from turn table on ch1 than is not the turn table issue. It will be you mixer having problems. You cant solve the problems having everything connected. Testing one turn table at a time using working chanel on the mixer to see if both turn table working properly. If you use the same chanel testing both turn table and the second one does not work than it will be one of your turn table is faulty. Note: if you find and test both of your turn table is working properly than it will be your mixer. good luck and hope that help..

Aug 06, 2009 | Technics SL-1200MK2 Turntable

1 Answer

1 X 1200Mk2deck higher volume / causing spkr not to work..


Problem If you swapped the two TT's would the problem stay with the connection on your mixer? At least then you/we would know wherein lies the problem. I'm betting thge low volume is because you have the phono jacked into a line level input like AUX instead of PHONO.

Typically, what you're describing is a phone source plugged into a NON-phono connection. (Tinny, low volume - classic lack of a phono preamplifier with RIAA equaliztion). A standard old-school tuntable requires a phono preamp that is labeled "PHONO". Nothing else will give it the boost and freq response correction LP's and phono cartridges produce.

Your problem #2 alludes to a channel problem with a turntable running through your mixer. This isn't rocket science. Swapping the two turntable channels around would probably change the apparent failing channel, right? Yes - Problem out at the turntable. No - problem in the mixer. You've already hinted at the source by monkeying with the tonearm wiring. You're on the right track. The tiny multi-colored wires in the cartridge shell are very thin and delicate. Their brass fittings sometimes oxidize and reseating them as you have done usually gives some relief. Kinks in the wires could cause your intermittent symptom. At the RCA end of the tonearm cables, make sure they're seated on with a twist to wipe off oxide.

Problem #3. Is it just bothering you or is there a functional problem, too?

Apr 21, 2009 | Technics SL-1210 Turntable

1 Answer

Gemini tt02 no sound!


phono \line switch the right way maybe.have you got signal on the mixer from dodgy deck

Aug 20, 2008 | Philips gemini TT-02 Turntable

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