Question about Technics SL-1210M5G Turntable

2 Answers

I am getting extremely faint sound from the left channel while playing vinyl. I have swapped all wires and cables left to right and back and the problem remains the same. The only thing I haven't tried is changing the cartridge/stylus since I don't have a spare. Even cleaned the stylus with the fluid and brush, so awaiting a new Shure M97xE cartridge and stylus. Any ideas?

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  • hemant chaturvedi
    hemant chaturvedi Oct 18, 2013

    tried every swap possible, the TT is as good as new, the tone arm pins are nice and shiny, even plugged in my spare phono pre amp, and the problem is cleary with the TT. I should recieve my new cartridge and stylus next week and will try that too. Then I'll take it to an engineer. we don't have authorised people in India, sadly, but I have a good, reliable chap to check it and repair it for me! thank you all!!!

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2 Answers

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  • Technics Master
  • 924 Answers

The first answer is correct. If the bad channel doesn't play, no matter where it's plugged into, left or right, on the phono input. the amplifier is bad. This will require a major repair, by an audio specific tech. A transistor of IC may have gone bad in the phono preamp section only. I assume it doesn't do this with another input? If you need more assistance, or would like to inquire about a repair, please visit my website, at, audioserviceclinic.com. You can chat with me there. Additionally, the comment stating that the turntable can be diagnosed without taking it all apart, is completely wrong. You have proven this yourself. Thank you.

Posted on Nov 26, 2014

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  • Technics Master
  • 5,017 Answers

If you switch the cables so the left channel plays into the right of the amp and the sound stays dead in the left channel of the amp it's not the cartridge that is at fault by your amp. Amps have a magnetic cartridge pre-amp built into them for turntables. This can go faulty, but won't effect any other device (CD etc). Most of these pre-amps are a single IC. Which will need to be replaced.

Posted on Oct 19, 2013

Testimonial: "I'm an old hand at this :) the left channel on the TT doesn't play irrespective of where I plug it. I use a tube amp and a phono stage, the problem is with the TT, and one I haven't encountered previously! Thanks for your time and input, pun unintended. awaiting my replacement stylus and cartridge, and then I'll know the truth of the matter. Also plugged the TT into my two other vintage Sansui amps, same problem!!!!"

4 Suggested Answers

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Posted on Jan 02, 2017

djproaudio
  • 515 Answers

SOURCE: SL1200 MK5 NO SOUND FROM RIGHT CHANNEL

Issue is either your tonearm or your RCA cables. Unfortunately, there is no easy way to determine which is the problem. I would suggest replacing the RCA cables first, as it is the least expensive. If it does not solve your problem, then the issue is with the tonearm.

You can also do this for now:
Remove your headshell/cartridge from the tonearm. Look inside the tonearm tube, you'll see 4 gold prongs. Make sure all 4 prongs are protruding, and are 'shiny'. If they are not, then the issue is with your tonearm. If they look good, then more than likely, the issue is with your RCA cables. Taking it to a qualified repair center will help in determining what is the issue, but they will need to open your unit to test, so be prepared to pay for the estimate right off the bat.

If your in the NY Metro area, look us up. We also offer nationwide service, if you cannot find anyone local:

http://www.tweakrepair.com

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TWEAK AV LAB

Posted on Jan 19, 2008

dunnbiker
  • 8546 Answers

SOURCE: pioneer pl-200 turntable one channel is dull and muffled

I think we need to do more diagnosis. Did you try swapping the channel cables Left-to-Right so you're sure it is in the TT and not in your Phono preamp?
If it's still in the TT and always on the same channel with two different cartridges you probably have a wire problem in the tonearm/shell or interface between them.

Posted on May 01, 2009

  • 122 Answers

SOURCE: Technics SL-D303 motor noise

CHECK TONEARM GROUND TO SIGNAL GROUND WIRE OR SOCKET FOR CONT.

Posted on Nov 21, 2010

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