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Pioneer VSX-D810 Amplifier Poweringoff message when turned on

Discussion in 'Electronic Repair' started by [email protected], Mar 28, 2006.

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  1. Guest

    Hi, my amp displays "poweringoff" within 5 seconds of being turned on.
    I'm fairly certain this is the protection mode, but I don't know how to
    reset it. I know that some models have a combination of two buttons you
    hold while powering it on, but I can't find any info on this model on
    the web.

    I don't have the SM, and I'm not sure I want to shell out 15 bucks to
    get it. If that doesn't fix it, I don't have the electronics skills to
    go any deeper -- at that point I'd have to take it somewhere to be
    looked at, and the 15$ would be a waste. Does somebody happen to know
    the combination for this model, or maybe some common ones that I could
    try that might apply to the 810?

    Much obliged!
     
  2. Arfa Daily

    Arfa Daily Guest

    I have a note at the back of my bench that says " To reactivate system
    control processor, press 'ADVANCED SURROUND' and 'ENTER' ( by jog )
    together for 2 seconds ".

    I'm pretty sure that this was for a Pioneer that I was having similar
    trouble with, but it is likely that if yours is going into protect mode,
    there is something actually wrong with it.

    Probably wasn't for the same model - I can't remember now - CRAFT's disease
    and all that ( !! ) but worth a try, as often, the same codes do for more
    than one model from a manufacturer.

    Arfa
     
  3. ampdoc

    ampdoc Guest

    This problem can be caused most commonly either from overloading the unit,
    or by shorted finals. I'd be sure to check for shorted speaker wires. These
    units if I recall correctly use a STK like hybrid IC output device, and I
    have seen several output failures.

    To reset the protection circut press and hold the Advanced Surround and
    Enter puttons simultaneously for at least 2 seconds. If the unit resets,
    then goes back into the shutdown mode, you are most likely dealing with a
    bad output IC.
     
  4. Guest

    Well, I don't have those buttons (Adv. Surround & Enter). I have:
    Class, Memory, Band, MPX, Speakers, Midnight Station - & +, Tuning - &
    +, Direct, Monitor, Digital NR, DSP Mode, Signal Select, Dolby/DTS, and
    Tone.

    I've tried a few random buttons while powering up, no luck.
     
  5. Arfa Daily

    Arfa Daily Guest

    I'll have a look and see if I've got a manual for it, but don't hold your
    breath ...

    Arfa
     
  6. Guest

    I appreciate you taking a look. I'm kinda tight on funding atm, and my
    current stereo died on me -- if I could get this one working, that
    would be amazingly good luck. It's got video and optical ins, both
    features I really needed and my old stereo didn't have 'em. Because I'm
    running audio from my pc, I get a lot of "power hum" using analog
    lines, so the optical is virtually a necessity.
     
  7. Arfa Daily

    Arfa Daily Guest

    Finally got round to checking through the manuals, but haven't got one for
    that model - sorry.

    Arfa
     
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