Question about Sony DAV-S400 System

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Sound problems on Sony DVD amp

Hi there, I have a Sony Compact AV System DAV-S400. Recently, the sound to the left channel has started to become intermitent. When you play a DVD or listen to the radio, the front left channel seems to cut in and out. Sometimes you can be using the system for a while before it happens, other times the sound goes almost straight away. I have tried using one of the other speakers and the problem still occurs. There doesn't seem to be a problem with the connection into the rear of the system but I'm not really sure what I should be looking for. Everything else on the system works perfectly, including the other four speakers. Many thanks for any advice you may have, Matt

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  • deepo Nov 29, 2007

    Hi there!

    i seem to be having this exact same problem! On my system, both the front left and the back right speaker keeps cutting out. It seems to have something to do with a bad connection between the sockets in the back (where you plug in the speakers) and the reciever. If i push and pull a bit on the plugs it starts working, only to cut out again a minute or an hour later.

  • Anonymous Jan 05, 2008

    no sound on left front channel changed speaker and wire just in case no difference

  • Anonymous Jan 15, 2008

    It's the same problem form me. After a couple of minites, sound on the front left channel goes out. It recovers after a ramdom time (an hour or two, sometrimes even more). What's going on??

  • Anonymous Feb 28, 2008

    I have the same problem, front left channel cuts out and just sounds "fuzzy". It is only one channel and not the speaker... I assume either the channel connector is broken, or something similar to a problem my friend had, where a nearly broken headphone socket cuts out some of the sound... Hmm... any fixes?

  • TLFHooker Aug 03, 2008

    I hav ethe same DAV-S400 and had the same speaker issue, it stopped when it got stuck in headphone mode....now i get no sound at all! It would seem like a lid off job, other than visual checks, are there any clever ways of spotting dry joints.? and y avice would be most welcome before i take the lid off.



    Many thanks

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The socket that goes to the headphone jack at the front, should be soldderd if u have the (HP THEATER) come up on the display without haveing headphones plugged in, other wise re-solder the speaker out sockets on PCB again or failing that re-solder the output chips that are in a row with a piece of pcb on top that should fix the problem. Rickardo1

Posted on Sep 08, 2008

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It might have to do with dry joints as noted in other questions

i have once re-soldered all points of the amp PCB and the sound did get better for the right, but still cuts to the left... ima try again tonite

Posted on Jun 20, 2008

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