Question about Sony STR-DE1075 Receiver

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Center channel my center speaker cuts in and out intermitently. I can hear ther relay click when this happens

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  • Anonymous Nov 27, 2008

    not sure if i just loose the centre speaker,but i do loose volume and the sound seems to come through different speakers and i do here the click comming from the receiver

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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-DE845 center channel cut out, receiver clicks

balls

Posted on Dec 20, 2007

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  • 2 Answers

SOURCE: Speaker Channels? STR-DE505

Hi There,

Maybe can clarify the reasons you have different output configurations.
I worked for Dolby in London for ten years and cinema processing was an area close to me.

To cut a long story short;

The number of factors and different combinations possible for a fully equipped cinema offering Dolby and / or other protocols to the guest is large to say the least even within the Dolby formats.

For Sony to try to offer a range of home units (recievers or tuner/amps/decoders in this case) was to say the least ambitious .but hey!..........who else can give the public what they think they need.,,,good old Sony

I have looked at this unit and it seems the "amplifier section" is used for various configourations
and power output ratings vary depending on the configuration you choose.

Stereo 2 ch L+R is 2 x 75w

Surround requires more channels (centre and mono rear) and of course new signal routing to and from these blocks which of course will draw from the modest power supply.

So 4 channel surround will deliver 4 x 50w.

etc. etc.............what you hear are the relays which are reconfiguring and re - routing the signals.

Basically you cant have all the sections working all the time due to cost /design restraints

So speakers A OR B can be used but not BOTH when in surround mode....where the centre and surround are needed. .you cant have A and B at any time....push both buttons an NEITHER will work ....release one button and there you go.............it saves "letting the smoke out of the box".........which you should never do...........cos they never work without it. :)

Sorry for boring you ...............but I think you will find the unit is working just fine.............you could read the manual but that's not too informative.

Right...off to get a life now

Nik




Posted on Nov 22, 2008

  • 1 Answer

SOURCE: Center channel cuts out during movie, a click

Check the solution posted by "bikes" at http://www.fixya.com/support/t102695-sony_str_de845_center_channel_cut_out

Posted on Dec 25, 2009

  • 1 Answer

SOURCE: center speaker cuts out.

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

Posted on Jan 12, 2010

rommelalilin
  • 2178 Answers

SOURCE: Cannot hear rear channel on Sony STR-DTE325

First off, you want to correctly isolate what or which channels are/is bad. Use one good known speaker. Connect that speaker, one channel at a time, and test that channel with a fixed volume level (don't adjust the volume when you check each channel). Isolate the low level channels and make note of it. Note: each channel has their own amplifier. Once you've isolated the bad channels, take it to a repair shop and tell them the bad channels. They will then locate the circuit and narrow down the search to fine the problem - it's usually a bad solder connection. If it blows fuses - more likely a shorted transistor. In your case it's a bad solder connection.

Posted on Dec 22, 2010

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There's some bad solderings under the 3 blue relays on the mainbord
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Hi There,

Maybe can clarify the reasons you have different output configurations.
I worked for Dolby in London for ten years and cinema processing was an area close to me.

To cut a long story short;

The number of factors and different combinations possible for a fully equipped cinema offering Dolby and / or other protocols to the guest is large to say the least even within the Dolby formats.

For Sony to try to offer a range of home units (recievers or tuner/amps/decoders in this case) was to say the least ambitious .but hey!..........who else can give the public what they think they need.,,,good old Sony

I have looked at this unit and it seems the "amplifier section" is used for various configourations
and power output ratings vary depending on the configuration you choose.

Stereo 2 ch L+R is 2 x 75w

Surround requires more channels (centre and mono rear) and of course new signal routing to and from these blocks which of course will draw from the modest power supply.

So 4 channel surround will deliver 4 x 50w.

etc. etc.............what you hear are the relays which are reconfiguring and re - routing the signals.

Basically you cant have all the sections working all the time due to cost /design restraints

So speakers A OR B can be used but not BOTH when in surround mode....where the centre and surround are needed. .you cant have A and B at any time....push both buttons an NEITHER will work ....release one button and there you go.............it saves "letting the smoke out of the box".........which you should never do...........cos they never work without it. :)

Sorry for boring you ...............but I think you will find the unit is working just fine.............you could read the manual but that's not too informative.

Right...off to get a life now

Nik




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