Question about Panasonic SA-HE75 Receiver

5 Answers

Negative volume Panasonic SA-HE75

Hi,
When turning the volume up, it goes from minus 85 to zero.
Without any sound, off course.
Any suggestion ?
John

Posted by on

  • 4 more comments 
  • Boechi Mar 01, 2008

    What battery ? I unplugged it and put it back. No use.
    Thx for reacting
    J

  • Boechi Mar 01, 2008

    The max volume now is zero.
    Indeed, the unit was and is hot.
    Greetings to you, Pincer
    J

  • Boechi Mar 02, 2008

    Hi Ginko and Pincer,
    I tried that and that and that allready and nope and nope and also nope.
    No error code on screen.
    " sytem operating correctly "
    Anyway, it's nice and quiet around the house.
    If the family insists, I'll take the damn thing to a mecanic.
    Thx fer trying
    J

  • Boechi Mar 02, 2008

    Experts until now, came with real good suggestions. Most of them I tried allready.
    Reset, unplug, etc
    When turning on the tuner/ampl, a message appears : "speakers off now "
    After pressing the speakers button: "system operating correctly now "
    But still negative sound

  • Boechi Mar 03, 2008

    Hello sweet rascal,
    First : if there was something wrong with the speakers, that doesn't explain the negative sound
    Second : if there was something wrong with the speakers , they would go one by one and that didn't happen.
    You also have a good day
    J

  • Boechi Mar 10, 2008

    That's good reasoning, micromaster !
    Only thing, if the IC or whatever has melted,
    that still does'nt explain the negative sound indication.
    If heat was the problem, the sound would just go, with or without an error-code.
    But negative sound is ** sound so the problem must be a programming/resetting one.
    You could be right but that would go against logic.
    Saludos
    J

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  • Master
  • 3,614 Answers

It's usually happen when the unit is overheating the malfunction on the device is always there. The parts inside or the what we call the resistor / transistor / IC / are the one affected when the unit get warm, the parts can be cook for that instant heat and no exhaust of the hot air inside to put outside..

Only one parts have cook or melted or got the problem due to device overheating, you probably got the best of both world that your device will malfunction and soon be a dead set one.

Cheers!

Posted on Mar 09, 2008

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  • Master
  • 1,894 Answers

Hello sir

Posted on Mar 02, 2008

  • 1 more comment 
  • dewan nafees ahmed Mar 02, 2008

    had you done all the settings check?

  • dewan nafees ahmed Mar 02, 2008

    hello sir,

    check the settings first

    since the amplifier is telling that the speakers is OFF then make sure the speakers are working fine by using it with some other amplifier.

    now you will have sorterd out where the exact problem lies right??

    tell me what is the problem

    with out sorting out the problem clearing it is very difficult sir

    hop you cooperate

    thank you sir

    good luck

    have a good day

    dont forget to rate the solutions


  • dewan nafees ahmed Mar 03, 2008

    ok fine then your amplifier is showing the error and the speakers are free from errors.

    then try a different amplifier and check what is happening.

    if amplifier is making problem then do a full service of the amplifier and check it for any shorting.
    this will help you clear it.

    thank you

    good luck

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  • Master
  • 377 Answers

What the max volume?

Posted on Mar 01, 2008

  • 2 more comments 
  • pincer
    pincer Mar 01, 2008

    Have you ever touch the player? I think there's a possibility that the unit is Overheating.

  • pincer
    pincer Mar 02, 2008

    Increase the airflow over the thing by getting it up off the floor put some blower on it, or if you're not feeling like making a trapeze act out out of the thing, stick it on an open box so it can better emanate heat. Apparently this has been doing some good, but hey, remember that if it can't sit on the ground as intended, it's defective, so make sure you call 'em a service man up and get it sorted!

  • pincer
    pincer Mar 04, 2008

    Increase the airflow over the thing by getting it up off the floor put some blower on it, or if you're not feeling like making a trapeze act out out of the thing, stick it on an open box so it can better emanate heat. Apparently this has been doing some good, but hey, remember that if it can't sit on the ground as intended, it's defective, so make sure you call 'em a service man up and get it sorted!

  • pincer
    pincer Mar 04, 2008

    Increase the airflow over the thing by getting it up off the floor put some blower on it, or if you're not feeling like making a trapeze act out out of the thing, stick it on an open box so it can better emanate heat. Apparently this has been doing some good, but hey, remember that if it can't sit on the ground as intended, it's defective, so make sure you call 'em a service man up and get it sorted!

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  • Panasonic Master
  • 19,396 Answers

Try first removing battery and putting it back, so to reset the unit

Posted on Mar 01, 2008

  • Ginko
    Ginko Mar 02, 2008

    I was referring to remote battery, just in case it was stuck remote problem,. It is weird, because if it was overheating you should get E70 message on the screen. Try using the reset button at lower left hand corner wtching device from front. Let me know if it works, in case change my rating immediately!

    cheers

  • Ginko
    Ginko Mar 02, 2008

    Let me also know if you get an error code on screen (E and some number or 'OVERLOAD' on screen. Try also checking if you get same problem with all inputs unplugged. in this case you need to change your connections (you should have the overload message in this case). Here is operation manual from Panasonic. Follow reset procedure at pag.12. Let me know if it works.



    Best regards

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  • Master
  • 796 Answers

The ic controlling the volume must be faulty

Posted on Mar 01, 2008

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