Question about Sony STR-DE845 Receiver

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Sony STR-DE845 center channel cut out, receiver clicks

My center channel has stopped working. There is no output to the center speaker no matter what position switches are in. The speaker itself worked well when tested from one of the stereo outputs. The receiver makes clicking noises occasionally. There is no fault displayed on the front panel. The entire system has been used as currently set up for several years mow. I'm not proficient at repairs but have a friend who is. If I give him the right place to look, he could repair. Any suggestions?

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  • Tomos Jan 07, 2008

    Hi. My Sony STRDE875 exhibits the exact same problem. I took apart the amp and re soldered the 5 relays mentioned and also the main board speaker connection. After re assembling, the center channel worked again briefly then failed. Did you find the solution for yours?

    Thanks.

  • Anonymous Jun 17, 2008

    I HAVE THIS UNIT, BUT ONE OF MY REAR SURROUND SPEAKERS ISN'T WORKING. I HAVE A HUMMING SOUND. ANY SUGGESTIONS HOW TO FIX IT. THANKS

  • Anonymous Aug 11, 2008

    pretty amazing. My father in law has a sony and the center went out. My brothers followed not long after, Then mine went few months later. All three are sony receivers. All bought within a year from each other.Must be a big problem. And its funny how its always the center channel. Maybe because this gets the most use. Ill try the solder fix hope it works.

  • randog61 Oct 10, 2008

    I'm finding the 1-676-999-11 part impossible to find. Sony must have sold everyone of them.(imagine that) I'm going to try the repair method but if any one finds any of those parts please leave a note where to get them. Signed, Quiet in Living Room

  • Anonymous Dec 17, 2008

    I have the same problem as others where the sound changes and or fades out and I get the clicking. I notice that most complaints are fairly recent, and my reciever has been acting up every time I turn it on. This make me wonder if it has to do with the switch over from analog signal to the digital.



    Is it possible that from a outside source that our receivers are pulling the digital signal through the antenna and when someone makes changes it affect our receiver's. ?

  • Anonymous Mar 27, 2014

    if i hold the switch at an angle all the speakers work if i switch it to a+b the center speaker wont work it seems it wants to switch it self

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I have fixed 3 shorts on my de845. 2 have been caused by cracked solder joints. they were speaker cutout problems...yours most likely is the center channel relay on the main board. take the thing apart. you need to get to the back of the main board and re-flo those solder joints. get your geeky pc buddy and do it together(buy him a sixer). its really not that hard...just a bunch of screws. disconnect everything from the main board including the front plate. be careful with the ribbon cable...mine is hurting at this point. not meant to be removed so many times. put it in straight. my leads bent, but was able to straighten them. there are 5 relays together, one for each channel. they are white cubes and prb a little smaller than the tip of your finger. its the 4 leads on each of these that you want to take a soldering iron to . i'm not sure which ones the center channel so do them all in that area. it may be hard for you to tell which leads they are so just go overboard and at least get everything in the vacinity. i did all component leads because who's to say another's not ready to go bad. you've gone this far. touch the heated up tip to all the leads at the very end of the barb. you can reflow the solder without actually touching it. the metal lead will get hot enough. hold it until the solder liquifies, then let it cool. do this on a flat surface. my other fix once was a re-seating at the speaker switch a,b,a+b on the front plate. there are 2 boards plugged together there. i bent the leads slightly so they seated in more tightly. if your left or right front goes out, sometimes thats an easy fix...try b if you're using a, or the opposite. don't forget the speaker cables. if you're using both zones then you prb already figured out you need to re-flo! test and cross your fingers. good luck.

Posted on Jul 27, 2007

  • Ryan Rossignol Jul 27, 2007

    forgot to check the contact me for more questions box. hope you didn't throw that thing out!

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Posted on Dec 20, 2007

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I found the speaker switch solder joints had cracked.  First I did the lead bending as suggested above, but that only worked for a short while.  "my other fix once was a re-seating at the speaker switch a,b,a+b on the front plate. there are 2 boards plugged together there. i bent the leads slightly so they seated in more tightly."
Resoldering the 5-pin connector to the board fixed it; about a year now.

Posted on Sep 08, 2008

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2 quick things to check: 1. make sure that if the unit uses pre-out / main-in jumpers that they ARE present. 2. Check that the Tape 2 monitor is not engaged

Posted on Mar 27, 2006

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