Question about Technics SL-1210 Turntable
I've changed the needles, swapped the stylus' and it appears one deck has perfect sound and the other sounds louder. i've tested the phono leads in different mixer channels too so theres no fault there. any ideas guys??
I'd say the cartridge is getting tired. Swap the head shells with carts and test. Cheers john. Styluscity
Posted on Nov 28, 2013
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Posted on Jan 02, 2017
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.
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Posted on Jan 19, 2008
1. Assuming there is no problem with your amplifier of input cable, the headshell/tone-arm needs rewiring. This is very thin flexible wire and not easy to do, but can be done if you are careful.
2. Turntables require a special input on your amplifier which has a frequency response that is suitable for them. If you connect a turntable to an ordinary input, it will sound tinny. If you don't have a turntable input (known as a phono input [from phonograph]) you will need to use a preamplifier with your turntable.
Posted on Mar 17, 2008
SOURCE: Dj decks-no sound
You didn't state if you purchased this used or new. If used, maybe the tonearm or the rca cables are bad. Or, if you set it up inccorectly.
Just to be sure...
TURNTABLE -> MIXER PHONO INPUT (CH1 or CH2) -> OUTPUT MIXER (MAIN OUT) -> STEREO INPUT (AUX IN or LINE IN).
Make sure you have the line selected properly on your receiver, and if you have a tape function, press the button in and out. Sometimes this will affect the sound. Now, check to see if your getting any signal to your mixer. Make sure the toggle switch on your mixer is set for PHONO and not LINE. Raise all volumes, including heapdhone, and see if you hear or see anything on the levels.
If all is good, but no signal going to mixer, then you might have a bad tonearm or RCA cables....
To check, disconnect the cartridge/headshell from your tonearm. Look inside the tonearm, and you'll see 4 gold plated prongs. Make sure they are all evenly protruding. Also make sure they are all a shiny. If you see any black substance on any of the prongs, they need to be cleaned. If any look like they are stuck, and not sticking out like the other ones, this would also cause an issue. This cannot be repaired. You can try to get the prong to come out, but if it does not work, you will have to replace the tonearm.
If everything with the tonearm looks good, then the issue might be the RCA cables. There is no easy way to check this, other than opening up the turntable. This is not easy, and I do not recommend.
Let me know how it turns out.
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Posted on Jan 11, 2009
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?
Posted on Apr 21, 2009
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