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Judd Maltin Posted on Apr 22, 2019
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Sony Ps-lx430 phonograph turntable. Left channel is fine, might also contain the right. Right channel is a very quiet ghost of the left. I replaced the needle, no change. Ideas to get stereo again?

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Franco Dosil

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  • Sony Master 10,542 Answers
  • Posted on Apr 22, 2019
Franco Dosil
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Hello Judd, we would have to start at the beginning of the chain of elements that allow us to reproduce the disc
first, observe the capsule holder and verify the capsule connections, the standard says looking at the capsule connections, with the pua down, the red wire is the R output of the capsule to the right upper leg of the capsule, the cable white, output L, is connected to the upper left leg, the blue wire, output mass R, to the lower left leg and the green wire, output mass L, to the lower right leg
Having this in order, you should corroborate with the help of a tester, that each position indicated above be repeated in the connections of the arm, for which you would put the tester in continuity position and control that there was no short circuit among the living of the testers. channels in the RCA
This is to check, the connection from the capsule to the RCA connectors
If this is done, the problem persists, try the tray on another computer and see if the failure continues, if you do not have a problem in your phone's pre-phono

Hola Judd, habria que empezar por el principio de la cadena de elementos que permiten reproduccir el disco
primero, observa el portacapsula y verifica las conexiones de la capsula, el estandar dice mirando las conexiones de la capsula, con la pua hacia abajo, el cable rojo es la salida R de la capsula a la pata superior derecha de la capsula, el cable blanco, salida L, va conectado a la pata superior izquierda, el cable azul masa de salida R, a la pata inferior izquierda y el cable verde, masade salida L, a la pata inferior derecha
Teniendo esto en orden, deberias corroborar con el auxilio de un tester, que cada posicion indicada anterior mente se repita en las conexiones del brazo, para lo cual pondrias el tester en posicion de continuidad y controlarias que no hubiese corto circuito entre los vivos de los canales en los RCA
Esto es para comprobar, el conexionado desde la capsula hasta los conectores RCA
Si hecho esto, el problema persiste, prueba la bandeja en otro equipo y fijate si la falla continua, si no lo hace tienes un problema en el pre de fono de tu equipo

3 Related Answers

Anonymous

  • 93 Answers
  • Posted on Jul 15, 2009

SOURCE: Quiet front R channel on Sony

Does problem persist when you connect other speaker to front right channel? (i.e. when you connect your FL speaker to FR and vice versa)?

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Rob Sinbad

  • 709 Answers
  • Posted on Aug 06, 2009

SOURCE: 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..

Grubhead

Grubhead

  • 5755 Answers
  • Posted on Mar 21, 2010

SOURCE: Technics 1310 turntable has left channel (white

There are just two causes, one is the preamp, which can be easily checked by putting the right channel jack in the left terminal. If the sound is normal, then it's likely that the cartridge in the deck is bad, or some wire is loose. However if the sound is still poor then the magnetic cartridge preamp in the amp has a fault. These are normally a single IC, which will have failed. Find the preamp by tracing the wires from the imput socket to the PC board, which may be alone.

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Related Questions:

0helpful
1answer

Left channel suddenly gone quiet, left channel works perfectly.

Hi, firstly switch the output rcas over on your amp/mixer and see if the problem stays in the left channel or has now gone to the right. If it stays in the left it is a problem with your amp/mixer. If it moves to the right the problem is in the turntable. Likely causes for turntable problems are cartridge being damaged or stylus damage. If you have another cartridge try that. Cheers john
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I have vestax 05pro2. Left channel works but out of one speaker. The turntable input is good. Im thinking Its either the channel fader, or the rca inputs for that side. Has anyone had this problem?

Hi,
Here's a solution to see if you have a problem with either your receiver or turntable.
The turntable has 2 RCA's one red for right channel, and one white or black for left channel, which plug into the back of the amplifier.

  • Unplug both RCA from rear of amplifier.
  • Plug in a cd or dvd player into those inputs on the amplifier, the sound will be lower but it will give you an indication if the amplifier is ok or not.
  • If you have sound on both channels left and right then the amplifier is good
  • If you still only have sound on left channel, then there is a problem with the right channel input on the amp.
  • If your amp, is good, unplug the cd /dvd player.
  • Put a record on and start playing the record
  • Plug the white or black RCA from the turntable into the rear of the amplifier marked left, you should have sound.
  • now unplug it from the left and plug in into the right red RCA socket, if you have sound the amplifier is working fine.
  • if there is no sound there may be a problem with the stylus cartridge on the turntable
  • now lets reverse the test
  • unplug both RCA from amp.
  • Plug the red RCA into the left socket on amplifier, if there is sound, turntable is working fine, if no sound there is a problem with either the stylus cartridge or that red RCA cable.
  • now unplug the red RCA from the left side and plug it into the right side socket
  • if there is no sound there may be a problem with the stylus cartridge or RCA cable.
I hope this helps

MobileJB
1helpful
1answer

SONY PS-LX56P turntable sounding very quiet when attached to a mini Sony hifi, even though our other turnable sounds fine on it.

Not knowing the electronics I'd imagine a close listen would reveal it's actually tinny as well as quiet. You probably need a Phono Preamp (Google it).

"PHONO" is the only designated connection on an audio device that is literal and exclusive. Nothing but PHONO will work right on it and old-school turntables would require it to preamplify the tiny current produced by a Phono cartridge.

If your unit doesn't have a PHONO connection AND your TT doesn't have a self-contained preamp you will have to get a Phono Preamp to connect between the TT and any Line Level input, like Aux.

eBay always has some...
http://shop.ebay.com/?_from=R40&_trksid=p3984.m570.l1311&_nkw=phono+preamp&_sacat=See-All-Categories
http://shop.ebay.com/i.html?_from=R40&_trksid=p3984.m570.l1313&_nkw=phono+preamp&_sacat=See-All-Categories
0helpful
1answer

Hooked up Sony' s PS-LX25OH record player to Harmon Kardon 235 AMP and no sound is coming from the amp. I did have the record player hooked up to a Sony Amo and it worked fine. Now all I hear is the sound...

First check that the amp is working by putting your finger on the imputs at the back. You should get a buzz on each channel. Or disconect the wires to the cartridge, with the turntable connected to the amp and the amp on, touch the loose wires (you won't get a shock). You should hear the buzz on both channels with two of the wires (left & right). If you don't the pre-amp for the cartridge in the amp has failed. Will be a single IC that's gone, found by following the wires back from the deck imputs inside the amp.
If it buzzers then the cartridge has gone.
3helpful
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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.
1helpful
1answer

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.
0helpful
1answer

Quiet front R channel on Sony

Does problem persist when you connect other speaker to front right channel? (i.e. when you connect your FL speaker to FR and vice versa)?
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Sony PS-LX300USB Turntable, one channel not working

Have you tried swopping over the output leads from the turntable to the amp (normally one red and one white phono plug) so they are in each others socket? If you do this and you still get no sound from the right channel it is almost certain to be a faulty amp,or speaker.
If you swop and get no sound from the LEFT channel it is could be either a faulty lead or cartridge.
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SONY PS LX300H turntable works only one channel at a time

This sounds suspiciously like the wiring of the cartridge is wrong or something is shorted together. The cause should be visible.

Taking special care to NOT touch the stylus itself in this operation:

Turn the locking collar and remove the cartridge assembly in its shell from the tonearm.

Flip the assembly over and examine the four wires under a magnifying glass for disconnections, kinks, crimps, or metal-to-metal contact between any of them. They should each attach to a pin exiting straight out from the cartridge.

The wires are also color coded as are the terminals. If they're wrong you could have various sonic malfunctions.

Correcting miswires is delicate and I would recommend taking the turntable and stylus to a pro for that part.
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SONY RCD-W100

Can you please update this with your connections. I assume that you are connecting the turntables to the mixer? Verify that the mixer is set to send out true stereo. What mixer are you using?
Note that most mixers "pan" all of the channels to the center sending out mono to the left and right. In most live shows, it makes no sense to send out true stereo. The left and right are for the speaker chains. In order to get true stereo out of the mixer, you wil need to pan the input channel for the left side all the way to the left and the input for the right channel to the right.
Dan
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