Question about Sony STR-DE915

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I have an old sony str-d915 receiver. i was hooking up four sets of speakers and got impatient and hooked jammed all 4 sets into the speaker connectors (have a speaker selector on order). the volume controls are impedance matching so it should not have been overpowered. i think i had some wires touching each other and it blew some fuses?? I have it apart but i'm not sure what i should replace. the volume & mute led lights power up but no main display or sound. probably not worth taking to a shop with what they will charge for a service call. I just need a simple stereo receiver so i could pick one up for $100. any suggestions?

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5 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

marsrover
  • 682 Answers

SOURCE: STR--DG910: no rear speaker sound, no center speaker sound

if you confirmed all connection repeat your speaker setup.

Posted on Aug 02, 2008

dunnbiker
  • 8546 Answers

SOURCE: STR-DE475 receiver flashes "PROTECT" when turned on

Protection is usually a sign of overheating or something is wrong at the power amplifier's output.

Theory: Protection is a delay and sometimes an internal test to allow the electronics to stabilize during power up before they are allowed to interact with the speakers. The most common cause of it remaining ON is that a speaker cable pair is shorted. Some isolation is required...

1. Turn the Power OFF.
2. Disconnect each set of the speaker wires that are directly attached to the receiver. Mark them so you remember where each one went. pay special attention to which conductor is on "+" or "POS" and which is on "-", "COM" or "Ground". You may elect to disconnect them one pair at a time if your sytem is complex and you don't want to lose track of where things were.

Turn the Power ON. Is the "Protect" indication gone from the display?
--------------------
If YES, you have a shorted speaker wire or speaker. To isolate the specific cause:

1. Turn the Power OFF.
2. Attach ONE speaker wire pair at a time and test it by turning the Receiver ON. When the "Protect" light returns you have isolated at least one of the cause(s). Disconnect the defective speaker cable and continue isolation of all speaker cables. Visually examine the cable at both ends for frayed wires that could touch each other or contact metal on the receiver or other objects.

To isolate further within the cable/speaker pair - disconnect the speaker end of the cable on the failing path. Try another cable that you know works, or at least one that doesn't cause Protection to stay on.

If you're electrically savvy and have a Digital Volt/Ohm Meter you can troubleshoot the short(s) with it.
-------------------------

If NO, there is probably an internal problem.

Is it solid or does it come on after the Receiver has been ON awhile.
It could be overheating.
Is the unit hot to the touch?
Is there a cooling device (fan)?
Is it stopped or clogged with dust?
Is there adequate ventilation around the unit for air to flow?
Clean any ventilation slots on the top and bottom of the unit.
Avoid stacking components that produce heat under an amplifier or receiver. Their heat rises. Also keep them away from other heat sources like like home heating vents and radiators.

Problem solid and NOT related to the speakers or heat: internal malfunction.

Let me know.

Posted on Apr 02, 2009

  • 23 Answers

SOURCE: Sony STR-SE501 makes popping sound/cuts off

just repaired my se 501 poor solder conections on blue rleays by speaker jacks,also blown center speaker seems there are 2 in it one blew and so did cpacitor running now just hooked up one in center speaker sonds great also stay at 8 ohms setting

Posted on Jul 17, 2009

dunnbiker
  • 8546 Answers

SOURCE: Sony's STR-DE675 5.1 Channel Receiver - Speaker OFF problem

There's a button that turns the speakers OFF right above the headphone jack.

Get the manual: retrevo.com

Posted on May 21, 2010

Testimonial: "@dunnbiker Very true on assumptions! I've tried everything the manual suggests. Right now, nothing is connected to the unit, but upon power up, I get the SP:OFF display (which is not seen in the DEMO mode). I will try the headphone jiggling idea and see what happens."

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1 Answer

I have a Sony STR-DE597 FM/AM Receiver .It has audio out plug and i have a Jensen js650 100 watt Subwoofer. how can i hook them up. Thanks.


The reason you may find it difficult to connect the Sony Receiver to the Jensen JS650 is that the JS650 does not have a line level input (RCA) to match the RCA subwoofer output of the STR-DE597 receiver. In this case, all you need to do is connect an extra set of speaker wires from the "Speaker B" Left and Right speaker connections on the back of the Sony to the speaker input connectors on the Jensen. On the front panel of the Sony, select speakers A+B settings so that the subwoofer is on in parallel with the front speakers.

I hope this answer is helpful to your home system set up.

Feb 15, 2015 | Sony STR-DE597 Receiver

1 Answer

I have a Sony STR-DE597 FM/AM Receiver .It has audio out plug and i have a Jensen js650 100 watt Subwoofer. how can i hook them up? Thanks.


The Jensen JS650 does not accept line level input so you need to use the Front B speaker output from your Sony receiver and not the RCA subwoofer output. Even though your subwoofer is active, it does not support line level (RCA) signals.

Just connect the subwoofer as you would a pair of speakers. Once connected, you make sure the front panel speaker switch on the Sony is set to A+B so you get sound from your existing speakers (A) and subwoofer (B).

I hope that works for you.

Feb 15, 2015 | Sony STR-DE597 Receiver

1 Answer

How to hook the speakers with the sony STR-DE405


I have a Sony STR-DE405. The front speakers are connected to the FRONT SPEAKERS A terminals L and R. If you are installing surround speakers, they are connected to the SURROUND SPEAKERS terminals LR, RR, and center (front). This model does not have an active wooker connection. The FRONT SPEAKERS B terminals are for connection of a second set of front speakers

Dec 09, 2012 | Audio Players & Recorders

1 Answer

Hi - I have a Sony V444ES receiver that I have four speakers on A (in house) and two on B (outside). I hooked up a third speaker (rock speaker) for outside use however the sound is very low compared to the...


What's a rock speaker? All you will hear with one speaker on the Rear Right output is the Rear Right channel which is typically for effects and ambience. You DO have a manual, right?

Individual speakers commonly have different responses given the same amplifier input. Where you physically place a speaker once it's electrically connected is up to you. Speakers placed outdoors might not have the sound-re-enforcement of nearby or adjacent walls as indoor speakers do so they will sound weaker.

Jul 11, 2011 | Sony STR-V444ES Receiver

1 Answer

When iturn on my Sony STR-DE325 it goes into protect mode


Try disconnecting all of your speakers, and then turn on you unit. If you have a defective speaker, or a short in your wires, your unit will go into protect mode. If your unit seems ok with the speakers disconnected, then turn unit off, hook up one of the speaker leads and try it. This way you can isolate the problem.......

Good Luck,

Eric

Jul 09, 2009 | Sony STR-DE325 Receiver

1 Answer

Sound only some out of 2 speakers at a time. I need all 4.


Here you go buddy:
http://www.docs.sony.com/release/STRDE685.pdf

May 19, 2009 | Sony STR-DE685 Receiver

1 Answer

Hook up wireless speakers


I'm assuming the wireless speakers you have utilize an RCA jack to connect to the receiver.

Solution:

The good news is yes, you can use them on your receiver. The bad news is that the only output on your receiver is "VIDEO OUT" so whatever you want to watch or hear on the wireless speakers must be connected to the "VIDEO INPUT".

If the wireless speaker module uses speaker wire to connect to a receiver you will simply tap into the surround thumb clip speaker jacks.

I will add that wireless speakers tend to be disappointing when used in home theater.

Mar 24, 2009 | Sony STR-DE475 Receiver

1 Answer

Sony-DG820 Subwoofer


The powered subwoofer should be connected to the black subwoofer output near the bottom of the receiver in just about the center. A subwoofer uses line level signals and has its own amplifier, Good chance that you wiped out a channel. Put the wiring back the way it was, and IF the channel was not directly connected to the speaker terminals, MAYBE, JUST MAYBE it will still work.
Chances are slim...

Apr 27, 2017 | Sony STR-DG820 Receiver

1 Answer

STR--DG910: no rear speaker sound, no center speaker sound


if you confirmed all connection repeat your speaker setup.

Jul 06, 2008 | Sony STR-DG800 Receiver

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