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Usb fail on set up of 7.2 muteki str kmsw7

My sony home theatre keeps saying usb fail

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I have the same problem. Any resolution with yours?

Posted on Aug 13, 2013


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Posted on Jan 02, 2017

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SOURCE: sony dav-dz555k home theatre system-dvd

You seem to be having a door sensor problem. When the CD tray closes a small switch under the loading tray shorts telling the microprocessor the door is closed and to stop the motor (either way when it opens or when it closes). A malfunction in this switch causes this symptom.

Posted on Mar 14, 2011

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SOURCE: Video but no audio

This receiver does not support audio via HDMI. You need to connect BD player via spdif cable. Use optical or coax depending on what does the BD player support - receiver supports both.

Posted on Mar 03, 2010

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I have a sony muteki 7.2 it is only 6 months old and never had a problem. I turned it on today and the LCD says usb fail and it turned itself off. Please help????

Firmware problem. Contact the authorized service center for Sony. If you wish to get more details, Google for this site " Electro help".

Apr 23, 2015 | Sony Televison & Video

1 Answer

Sony Muteki 7.2 USB Fail error, no USB plugged in

Sony Muteki with USB Fail message or turning on and off is generally related to a faulty mains input relay. Search for it in the schematic and replace with a stronger part. Sony uses a very weak relay to connect the mains after power button is pressed. It doesn't last too much.

Sep 19, 2013 | Sony MUTEKI HTDDW1600 Theater System

2 Answers

Will the Muteki sub amp work with a different receiver that has no trigger.

My subwoofer recently burnt out because I had it plugged into a different amplifier.. I wouldn't recommend it. Sony has released the sub to suit that system.. Do keep in mind that I did have bass boost on with the sub up full (Which didn't matter when I had it connected to the Sony amplifier..).

Proceed with caution.. I would recommend turning the sub down and using the sub volume control on the amplifiers settings to change the volume.. Just do not run it at a pace where it looks like it is stressing.. When I say stressing I mean, looking like it is going to jump out of the enclosure..


Aug 17, 2011 | Sony MUTEKI HTDDW1600 Theater System

1 Answer

Sony Home theatre system 7.2 Channel Muteki HTDDW-7500 Problem : No sound output from speaker. Power supply, Display & Channel Sellector all function in normal. I have test with Headphone plug-in to...

If headphones are not working when you have unit properly set to the input you are using then there is something seriously wrong with the receiver. Is the monitor button incorrectly on?

Aug 25, 2017 | Sony Audio Players & Recorders

1 Answer

I have a Sony STR-DE945 home theatre reciever, i keep gettin a clicking sound and then my surround speakers cut out.

It's probably your fan.

The system runs hot, as it supplies a lot of power to push your speakers.

The system knows that without a fan, it will overheat. If the fan gets hot, the system will throw its self into safety mode, to keep it from burning its self up.

Have a tech check your fan.

Nov 18, 2010 | Sony HT-DW610 System

1 Answer

Video but no audio

This receiver does not support audio via HDMI. You need to connect BD player via spdif cable. Use optical or coax depending on what does the BD player support - receiver supports both.

Dec 24, 2009 | Sony STR-DG520 Receiver

1 Answer

Remote Control Programming

it is so good to hear from you friend. the replacement remote that you need is on the number that you are looking for is 148058621. this remote cost 24.95. thank you for writing and please rate my solution.

Nov 18, 2009 | Sony Televison & Video

2 Answers


sounds like you may have your speakers connected wrong or too many speakers. Check all your speaker wires for a goo tight connection and speaker compatibility with your Home theater system. Hope this will help you

Dec 20, 2008 | Sony MUTEKI HTDDW1600 Theater System

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