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

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  • 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




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Posted on Jan 02, 2017

  • 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

  • 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

  • 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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My Sony receiver amplifier model number Str-de315 has just stopped working clicks on 2 lights come on but nothing else k

no front panel display means one of twot hings: either the power transformer is blown, or the main power fuse. If the main power fuse is blown, then there are likely to be shorted output transistors that will need to be replaced.

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You may clean the display from dust from inside the receiver. Or replace the display if not suffering from solder cracks.

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What preceded this? Was it working and then stopped or did it never work?

Page 26...

Press I/O to turn off the receiver

Hold down I/O for 5 seconds (("PUSH" and "ENTER" apear on the display alternately)

Press MEMORY/ENTER. After "CLEARING" apperas on the display for a while, "CLEARED" appears.

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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!

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

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This is not a reset. Most likely one or more transistors have shorted and need to be replaced. Does the front display come on OK?

Apr 29, 2008 | Audio Players & Recorders

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Try a complete RESET by completely switching OFF mains power and leaving for at least 40secs. before commencing a new setting-up procedure.
Let's know if this does work it back to normality!

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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:)

May 01, 2007 | Sony STR-DE545 Receiver

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Sony STR - D665

Hi Spike, The first thing I would try is to reset the system. Turn off the receiver and then hold down the power button for 5 seconds. "Enter to clear all" will appear in the display. Press enter and "Memory Cleared" should appear in the display. You are now back to factory settings. If this does not work, try checking the fuse. Take the two screws off from the back top of the unit, and the two screws on each side of the unit, and pull the cover off from the back. You will see the fuse in the back right side (if you are looking at it from the rear) Pull the fuse out and see if the wire is broken. HOPEFULLY one of these solutions will fix the problem. Please let me know how it works. Best regards, nightdiver

May 29, 2006 | Sony STR-D665 Receiver

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