Question about Sony STR-DE845 Receiver

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Sound Problem with Sony STR-DE 845 receiver

I have a Sony STR-DE845 reciever and recently I've been experiencing problems with the sound for the first hour or so when I turn it on. Essentially when I first turn it on, I normally hear a click about a minute after I turn it on and then the sound goes dead. Then I hear another click and it comes back for a few seconds and then the sound disappears again, and this happens (off and on) sometimes for about an hour, before the system works normally (no interuptions). Can you please advice on what to do. I've had the system for about 8 or 9 years. I have everything hooked to it (cd, dvd and sat receiver) but currently only have two speakers hooked up to it (stereo mode).

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  • Anonymous Dec 17, 2008

    I am having the same problem. I was beginning to get paranoid, thinking that it was being controlled by some out side source or something. If there is a solution Sony needs to give its owner a heads up to solve it.



    Very Frustrated

  • Anonymous Jan 27, 2009

    I have the same problem. Holding the ON/OFF button on the receiver seems to solve the problem for some time. Which makes me believe that there is a loose connection somwhere inside, but am scared to open it up.

  • AZFatBoy Feb 19, 2009

    Same problem, started with holding ON/OFF button then that didn't help.  Now I have to push in and sometimes push in and up or in and up with a little side force on the speaker selector switch. Of course sometimes to can just wait for forever

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Check for bad solder connections and tighten any and all screws that hold the circuit boards to the chassis.

Posted on Jan 14, 2009

  • jackg404 Aug 05, 2011

    Check for a loose connector that connects the board to the power button. It is on to the main front panel board. It's a 4-5 pin white connector. Once the front panel is removed you should see the 5 solder points without having to dig any deeper. This same fix likely applies to the STR-DE945 as well.

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Bought a used sony str de845 with rm adu007, need program manual for rm.


If the remote is functionally the same as the original RM-LP204

Register and download the manual for free at retrevo.com

http://www.retrevo.com/support/Sony-STR-DE845-Receivers-manual/id/387ci973/t/2/

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Sony STR-DE845 5.1 Receiver, No Sound


Generally speaking, an amp protects itself from heat, shorts and overloads.


Overloads can be from excessive periods of high output 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 hands-on tech.

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read the manual

http://www.retrevo.com/support/Sony-STR-DE845-Receivers-manual/id/387ci973/t/2/

First, it must be a self-powered subwoofer, then you've got some settings to select in the receiver.

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Does tha ouput relay click about 6 seconds after power on? Is the speaker selector on A? Do you get sound using head phones? When on FM tuner is the stereo light on when set to a station?

I

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I Have a son STR DE 845 and the speakers make a popping sound when it is in DTS mode what is the problem.

Thanks,
Larry

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