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Sony str 7025 with output channel breaking up if i tap the top of the unit the channel will come back for a while

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: sony str-db940

Most likely a cold solder joint somewhere in the audio circuit. Most likely on the legs of the relay that turns the speakers on or off. Also check the connections at the audio outputs. Give it a good look over for bad solder connections, given the symptoms that's 98% likely to be the problem.

Posted on Oct 06, 2008

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  • 1 Answer

SOURCE: left channel is out sony STR-D511

Had the same problem but found simple solution. I just reconnected the speakers which were on "A" connections to the "B" set of connectors immediately below - problem solved!

Hope this works for you.

Stuart

Posted on Jan 22, 2009

nwj2468
  • 76 Answers

SOURCE: 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.

Posted on Mar 01, 2009

  • 1121 Answers

SOURCE: sony str-de345 this keeps on making a

the clicking is a power suplie overload some output amp is with problems and shutdown after overheat, when you tap is bad connection inside, normaly is related with sound off after 15min. needs to be checked by tech. to ensure perfect operation.

Posted on Jan 31, 2010

Testimonial: "thanks you help was usefull the tech was working on it but it just died and was not worth fixing"

  • 5 Answers

SOURCE: Sony STR-K670P Surround Reciever. No output from

This is a common problem that a lot of people have with this system. The problem is in the connection of the Left and Right Speakers to the receiver. I had this problem too.
What you need to do is actually open up the receiver using a screwdriver. Once it is opened up you will see a circuit board and lots of wires. Look for the red and blue wire that should be pretty easily visible. Cut each one, then strip the ends some, and reattach the ends but to the opposite color- make sure to solder it as well. On some models they messed up the connections and it got switched. Once you do this, the left and right speakers should work great. Hope this helped!!

Posted on Sep 22, 2010

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1 Answer

Trying to get my 5.1 channel input to work on my sony str-445 receiver


Maybe it won't work because you have the inputs confused with the outputs.

Nov 08, 2013 | Sony STR-DE445 Receiver

1 Answer

Center Channel not working


First of all check that it has not got switched off somehow. After that, what I would do is trace the wires back (inside the unit) from the center speaker connector. This will take you back to the output semi-conductors for that channel. I would suspect these first, you might even see damage! You should anyway be able to look the numbers up on the net. If they are cheap I would replace them anyway. If that doesn't work I suggest you hunt down the service manual, it might have suggestions in it.

Apr 08, 2010 | Sony STR-DE575 Receiver

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Sony str-de345 this keeps on making a


the clicking is a power suplie overload some output amp is with problems and shutdown after overheat, when you tap is bad connection inside, normaly is related with sound off after 15min. needs to be checked by tech. to ensure perfect operation.

Jan 30, 2010 | Sony STR-DE345 Receiver

1 Answer

Intermittent no audio to center channel


common problem in those units, bad or cracked solder joints on amp board and or dirty output protection relay, and as always look for repair shop in your area, do not attempt to do it yourself, firehazard and electric shock are the things we all want to avoid ;)

Jul 22, 2009 | Sony STR-DE685 Receiver

1 Answer

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.

Mar 01, 2009 | Sony STR-DE835 Receiver

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Sony str-db940


Most likely a cold solder joint somewhere in the audio circuit. Most likely on the legs of the relay that turns the speakers on or off. Also check the connections at the audio outputs. Give it a good look over for bad solder connections, given the symptoms that's 98% likely to be the problem.

Oct 06, 2008 | Sony STR-DB940 Receiver

1 Answer

Reduced audio output from right channel


Try lightly tapping on chassis to see if you can get audio to cut on or off with vibration if you can most likely cause is bad solder connections. This unit is well known for poor solder connections especially around poweramp driver IC's IC701, IC501. Also Electrolytic Capacitors in unit have fluid in them and heat Evaporates the fluid causing them to not operate properly over time . Caps that usually go bad are around parts that run hot like Power amp drivers
Just a couple likely suspects.
Try unplugging overnight to give unit a Good Reset also double check all setup settings.
If you need service manual I may be able to get you one
kstahl65@att.net

Jan 19, 2008 | Sony STR-DE545 Receiver

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.

Oct 30, 2007 | Sony STR-DE545 Receiver

1 Answer

SONY STR-DE305 FUSES


are these the speaker output fuses...if yes, they should be on back panel. if no, then are you also looking for board mounted fuses on the pc board?

Jun 01, 2007 | Sony STR-DE595 5-Channel Amplifier

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