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I have an old Yamaha PSS-595, with no sound on the left channel, either through the main speakers or the headphone socket. Is there an easy answer to this?

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  • Yamaha Master
  • 5,603 Answers

It appears that your keyboard has slider for volume control. This is likely a stereo control with two wipers. If one wiper has worn that would cause the problem.

One could sray a TINY bit of CRC226 available at Home Depot in the electrical department into the volume pot and see if it can be restored... USUALLY if these total go dead on a channel they will NOT restore.

If that doesn't work, take it in for repair.

Posted on Sep 13, 2010

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1 Answer

I have a ypg535 and headphones work but no sound from keyboard. I did unplug the headphones.


If you have sound through the headphones but not the internal speakers then assuming there is nothing stuck in the socket, headphone adaptor, broken plug etc then it would point to the amplifier section of the keyboard having failed. Sound via the hip socket is normally from the pre amp stage. Is there any slight hissing from speakers? If so this reinforces amplifier theory as the speakers are obviously connected.

please state model number of the keyboard and answers to the above .

regards

dan

Jul 20, 2017 | The Music

2 Answers

Why do I get no sound from either speakers or headphone jack?


Check that the local control is ON

It is set via the function switch

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Have a Yamaha Electone 405-IOrgan that only has sound when headphones are connected. Is this an easy fix?


<Do you mean it only has sound out of the headphones when connected and not out of the speakers when the headphones are disconnected? If so, your problem may be as simple as a dirty contact in the headphone jack.

Aug 05, 2015 | Yamaha Music

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My Yamaha keyboard stopped playing but will play with the headphones what is wrong


possibly the headphone socket has dry joints or is faulty.
the headphone output comes directly from the main audio ic on most systems through 2 resistors to limit the current and prevent blowing them.

Apr 02, 2015 | Yamaha Music

1 Answer

Yamaha psr 300


I'd suspect power supply first - filter capacitors may have leaked/dried out. That would be an easy fix for someone familiar.

Mar 05, 2014 | Yamaha Full-Size Keyboard

1 Answer

Left side output not working.i get no lights on left sde


Try headphones... do you get sound both sides (assuming your PAN controls are centered.???
Now do same with the main output cables discoonected... do you get headphones both sides???
Next solo or PFL a channel... do you get sound both sides???
Answer me these as they are tests that I can do some isolation using the circuit schematics. Make sure to answer all three conditions.

Jul 16, 2011 | Behringer XENYX 2442FX Mixer

1 Answer

My amp isn't producing any sound. It works when headphones are in but that's it. Please help


The headphones socket is on the preamp stage - it works so the problem must be after the pre-amp.
Do you get any sound at all from the speakers (hiss or perhaps a click) when you turn it on?
If yes it is an amplifier problem.
Here are some possible causes
  • A wire has come off the loudspeaker - easy to fix
  • Speaker protection fuse has blown - small glass fuse mounted on main amplifier chassis - replace with correct rated and type of fuse (note some of these are 'slow' blow type - important that you get the right one)
  • faulty component in the main amplifier stage - requires attention from qualified repairer
  • Loudspeaker burnt out - this can be tested by connecting another speaker across the terminals of the built in speaker.
  • The headphone jack socket automatically disconnects the loudspeaker when phones are plugged in - it could be that the contact in the headphone jack socket is bent and not re-making contact when the headphones are unplugged.

Feb 26, 2011 | Orange Crush 15r 15w Reverb Guitar...

1 Answer

No sound


There can be any number of reasons for this problem - solve it diagnostically by starting with something that you know is working and work through systematically to the other end.
  1. Test a microphone on a separate amp to make sure it works okay. Check amp and speakers working. Check that all output cables from mixer to amp are working by testing separately.
  2. Plug microphone into a channel on mixer. Also plug in headphones and turn headphone volume control up.
  3. Make sure input sensitivity knob is turned up a bit (say half way) and main output faders (yellow) are up.
  4. Check that channel is turned on (little button just above the channel fader- needs to be pressed down)
  5. press pfl (pre-fade listen) button (next to button to switch channel on)- do you get any sound on main output or headphones or any indicator lights on mixer to show signal is getting that far (eitehr the individual channel metering lights or the main ones in the central section)?
  6. turn off pfl - make sure channel fader (slider) is up - normal position is ) - about 3/4 of way up. Check lights again on individual channel and main output section - any signs?
  7. Is the sub mix button for the channel pressed down - in which case you will need to bring sub mix (red) output faders up as well as main faders.
  8. If you have got signs of signal on the individual channel but not main see if the channel has been routed somewhere odd (like a subgroup of channels).
  9. Plug a working amp and speakers into one of the auxiliary outputs and use the relevant auxiliary send knob (on each channel just above the faders and pfl switches) to pan some signal to that auxiliary out - do you get anything? There is also a headphone socket for listening to the auxiliary channels (with a selector switch /knob to determine which one - make sure it is in the right position) try listening to the auxiliary output with headphones - anything? If yes the problem lies in the main output section.
  10. Check that there is not a jack plug in the insert socket (to route signal through an external effects unit) without a matching return jack being plugged in - if appropriate is relevant effects unit switched on and correctly set up - if unsure remove the insert plug to take it out of the system.
  11. Make sure any mute buttons are not switched in on main outputs.
You can download a full user manual here http://www.allen-heath.com/gl/gl2400

Feb 22, 2011 | Allen & Heath Allen and Heath GL2400-32...

1 Answer

The speaker connected to my Yamaha EMX 312 SC is not bringing out any sound when we use the microphones but the displays on the power mix shows there is activity.


Assuming that you have checked the speaker leads for broken connections and that you know the speakers themselves work okay (test with a different amp) and that you can hear sound on the headphone socket
  1. Check that you actually have the power amp switch in the right position for the outputs (monitor jacks or main neutrik/speakon sockets) that you are using (see page 25 of the manual)
  2. That your speakers are connected to the speaker outlets on the rear panel and not the 'main outputs' on the front panel, which are for use with a separate power amplifier
  3. Check the mute button is not in
  4. You have turned both the master volume controls up.
If none of the above solves the problem it is likely that the overload protection fuses on the amplifier output stage have blown and need replacing - take to a repairer
You can find the user's manual here
http://www2.yamaha.co.jp/manual/pdf/pa/english/mixers/emx512sc_en_om_d0.pdf



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4 Answers

Marshall MG50 DFX amp line out/headphones not working


Contrary to what's posted above, the Marshall MG series does not pass the speaker power output through the headphone jack, and inserting the headphones into the jack does not disable the speaker. The headphone amp is a separate circuit and it's input is taken before the master volume. So Jan's post is exactly right. Turn off the master volume and turn up all the other gain/volumes as high as they will go. The other issue is that the headphone jack's output does not drive low efficiency headphones well, so you need some headphones similar to Sony's MDR-V700s to hear it well. Earbuds just don't cut it.

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