Question about Sony STR-DE675 Receiver

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Center speaker cuts out.

Hear a click in receiver..tap receiver and it comes back on

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There's some bad solderings under the 3 blue relays on the mainbord
So grab your best scerwdriver ;-)

Posted on Jan 12, 2010

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When we watch football, we can't hear the refs on the field. Also during halftime we can't hear the music. Some random things get cut out.


do you have a center channel speaker hooked up? Most voices come through the center channel. I would imagine the surround processor would put the refs on the center channel.

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No audio in channell a out put


Check your connectons on the back of the receiver as well as thoes to the speaker. Make sure the wire has not been cut, or pulled apart. Both A and B come from the same part of the amp along with center. The rear channels come from a seperate board. Rotate the switch and see if you hear the sound of the relays falling in the back.

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We bought a while back a surround sound system with a SONY Dolby Digital FM Stero FM/AM Receiver STR SE501, a small subwoofer and small centerband spearker. We recently upgraded to two better and larger submwoofer and centerband speark: ICON VC25 CENTER SPEAKER (SN 100987108520533 SW-350 SUBWOOFER (SN 101043809321322 Problem we are having is, when we turn the TV on in the morning, about 10 minutes, we hear a click noise in the receiver, a pop loise in the subwoofer, and the it cuts of the speark. It with click again, cuting the spearker back on, then do it agian and cut them off. It seems once it does this a few times, and comes back on, it stays on the remainder of the day. What is the problem? Do we need to make an adjustment to the receiver, because of the upgrade. We original had moster cables. Do we need to replace them? Hope you can help. Tony (arod13tb@yahoo.com)

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1 Answer

Receiver cuts in and out


Sounds like a cold solder to me or maybe an oxidized terminal but could be something more simple.

1- If the unit still has power but no sound - Try and reseat the jumpers on the back of the unit - top middle (adapter unit)

2- If you are tapping near the speaker button it may have dirty terminals and may be cleaned with some electronics cleaner. One way to diagnose this is switch it off and on several times and see if it changes.

3- If tapping on the front panel makes it start working - can you duplicate it going back out by tapping? This may be a cold solder on the ops panel. If you have some soldering skills this may be an easy find and fix. If not you may need to take it to a repair center. By no means operate on the unit with power to it with the cover off!

Good luck!

Mar 25, 2009 | Kenwood Audio & Video Receivers

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Sony STR DE835 center channel issues.


it could be your wire. try using different speaker wire. if it still has that same problem, take the cover off and tap on the amplifier.

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1 Answer

Problem with 'central' speaker output


took apart my reciever and found that the blue relays in back in the middle are starting to malfunction. I tapped on them and they clicked. When I tapped the right one, i got the sound back in my center speaker.

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3 Answers

Stuck!


I was able to fix this issue by opening up the receiver, removing the circuit board that the power button and speaker selector knob contact, and then reseating that board back onto the circuit board it was connected to (the one with the majority of the control buttons).  This completely resolved the problem.  The power button works again and the audio does not drop out anymore.

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1 Answer

Clicking sounds


i had this condition on another denon a/v receiver it started clicking got worse as time went on progressed to snaping sound more so when switching modes ie dvd to tv etc then l/frt speaker would cut out found by gently tapping l/side of the chassis it would pop & snap sent it out to denon & they replaced the dsp unit no problem since hope this helps Alan

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5 Answers

Sony STR-DE945 5.1 Channels Receiver


Hi, Happened across this forum looking for some remote info. Had a similar problem with my 945...main speaker outputs started to click off & on, no rhyme or reason. Found that the solder joints on the speaker output relays were cold (poor soldering). Actually happend twice, two different relays. Took me a while to find it, reflowed the solder, that solved the problem, over two years ago now. Are you able to dig into the receiver? Do you have a (good) soldering iron and some solder? If not take it to elec. shop and tell them to look for cold joints on the relays.

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