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Sony Receiver STR-D550Z

I have a Sony Receiver (STR-D550Z) that started producing static on the right channels a couple of years ago. We replaced it right away but I've held onto it thinking some day I would look into fixing it or seeing about having it repaired.

The static is heared on all inputs and both the A and B sets of speakers. Not sure what other troubleshooting should be done. I know it would be very expensive to have repaired or even looked at but would it be worth my while to purchase the service manual?

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  • Anonymous Mar 11, 2009

    I have distortion on my right speaker the volume is very low and their is definely some clipping on the signal on the right channel when I scoped the output and input of the stk 30 power amp IC

  • Anonymous Mar 16, 2014

    sony str d550z

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2 Answers

I would open it up and look for large capacitors that have a bulged top, I've fixed several receivers that were buzzing or had static by replacing a couple of cheap capacitors that had blown.

Posted on Sep 17, 2008

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Any luck with this Brian? I've got the same problem with a Sony STR-D550Z stereo receiver.

Posted on May 10, 2008

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