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Question about Sony STR-DE915

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No display on sony str 915

The main display is no longer visible, it used to work when you first turn it on then stop, but now it stays off all the time

Posted by john stacey on

  • 1 more comment 
  • RROMELUS Mar 10, 2008

    wen i plogin the first time the flashing protector is not show on after 10second the flashing protector came up

  • hec1152 Jul 12, 2008

    My display quite working suddenly. As far as I can tell the rest of the system still works okay. The only indicator light that still shows on the panel is the red "DISCRETE" lamp in the bottom right corner.

  • paulfield52 May 11, 2010

    I HAVE SAME PROBLEM I UNSREWED THE DISPLAY BOARD I SEE LITTLE BURN CIRCLE IN SCREEN ,UNIT WORKS PERFECT EXCEPT NO DISPLAY SCREEN THE OTHER FUNCTIONS NOT ON DISPLAY SCREEN WORK .ANY IDEAL WHERE I CAN GET NEW SCREEN, I CAN INSTALL

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3 Related Answers

Anonymous

  • 71 Answers

SOURCE: sony str-de525 system "protector" problem

You've blown it. It recognizes a potentally harmful situation and goes into protect mode.

Posted on Mar 15, 2009

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Anonymous

  • 1 Answer

SOURCE: sony str-de845 powers on, relay clicks sound works

Hi there, can anyone help me? i cant seem to get my aiwa-d58 to get out of eco mode. no power, red light is on and every time i press the power button; the eco light clicks off and i no power supply to the whole unit. please help!

Posted on Jan 22, 2010

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Anonymous

  • 8546 Answers

SOURCE: when i switch on my sony str-de375 receiver

Generally speaking, an amp attempts to protect itself from heat, shorts, overloads and operator exuberance by refusing to turn on or stay on.

Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; and shorts would be wiring issues or a speaker blowing up.

You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.

If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.

If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.

Posted on Aug 02, 2011

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It works a few minites,then stops and displays "Protect".

Your complaint isn't a problem at all. This is a usual characteristic of the relevant amplifier. The protection mode comes on when the main volume/bass/treble or whatever is too loud. Unfotunately, you can not overcome it. But, as they always say: It's a Sony:)
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