Question about Sony HT-5100D System

3 Answers

Low sound sound drops very low. speakers test ok.

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  • stephend Jun 08, 2008

    i thought you would tell me which componet. i had my solder gun ready.

  • stephend Jun 08, 2008

    str-k502 is the particular piece of equipment where the problem lies.

  • stephend Jun 09, 2008

    thanks!

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3 Answers

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  • Master
  • 4,234 Answers

FIrst a couple of questions about the symptom:

1) Does the sound start out at the correct level and then drop off or is it always low?
2) If the sound level fluctuates, is there a pattern to when this occurs? Starts out OK, fails after a few hours? Starts out low, ends up OK after a while?
3) Do other inputs work OK with the receiver?
4) Is the output from the TV a "fixed" output or variable? (this should be marked at the output jacks.)

I'll look up the model in the meantime, but please respond to the above as it will make diagnosis much easier.
Thanks,
Dan

Posted on Jun 09, 2008

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  • Sony Master
  • 19,396 Answers

Follow first all the indications provided by Ekse, probably you will fix it following the procedure in his post, this will make things much easier.
Also ensure that you checked speakers and cables properly.

If it is the home theater can be a lot of things, you need to put your hands on it.
You check most stupid first, like the touch buttons , when they are faulty sometimes the volume goes suddenly down like if you press the button.
If the volume instead cut off suddenly then you may have a problem with the amp, you need to follow the diagrams in service manual, as suggested and test the board, even a condenser gone can give you this kind of troubles.
In service manual you will find diagrams indicating which zone of the board (control, amp. preamp) you have to check when you have problems with sound going down or cutting off.

Posted on Jun 08, 2008

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  • Sony Master
  • 13,433 Answers

Seems like a component level problem, I would contact your dealer incase you have warranty to get it replaced.

Posted on Jun 08, 2008

  • 1 more comment 
  • Ekse Jun 08, 2008

    Got the service manual?

    http://smpcshop.com/STR-DE575-STR-K502-S...



    Lets see if I can find the cause, if not Il contact a collegue, expect him to respond within 24hours.

  • Ekse Jun 08, 2008

    heres what sony says about the problem





    IMPORTANT: If the stereo receiver is connected to an AUDIO OUT jack on a television, it may be necessary to disable the built-in speakers of the television before the audio signal can be passed to the stereo receiver. In addition, it may be necessary to increase the volume level of the TV if this connection method is used. Consult the instruction manual of the television for further information.










    1. Turn on the stereo receiver.
    2. Try increasing the volume level on the stereo receiver.
    3. Check to see if the sound on the stereo receiver has been muted.
    4. If the stereo receiver has a headphone jack, make sure no headphones are connected.
    5. Try a different audio setting on the stereo receiver.
    6. Check the speaker wires to make sure they are connected securely to the stereo receiver.
    7. Try connecting different speakers to the stereo receiver.

    The troubleshooting steps listed above should resolve your issue. If you have completed all of the steps and the issue is not resolved, service may be required.

  • Ekse Jun 08, 2008

    I've contacted another expert. expect hes response within 24hours.

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