Question about Sony DAV-FC7 System

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High pitched squeal thru all spkrs when input to unit from vidieo 1and 2

The sound quality when i play a cd or a dvd is excellent.However,when I switch to the FM radio function there is a high pitched squeal along with the radio.In addition to this,and most frustrating,is when i switch to video one or vidieo 2 to watch HBO,cinemax ,or XM radio thru THRU DIRECT TV,I also get the annoying squeal
I have also had all the other dvd/cd ejection/standby problems with this unit when new.Thank god I bought an extended warranty and after being in the shop at least 6 times these problems were corrected
Now it is in a shop again(for over two weeks) and the tech still hasn't found the squeal problem.PLEASE HELP!!!!

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  • Anonymous Aug 24, 2008

    I am having the exact same problem... Our DAV-FC7 has had no problems until recently when it started having a high-pitched squeal on FM and TV Tuner whenever I turn the machine off, then on again. Eventually, it fades (in about 30 minutes to an hour) and I can hear again. But once it is turned off, the squeal occurs again when turned on.

    I have checked all connections, cables, and proximity to tv, other devices...to no avail. No idea what's causing it, and warranty just ended as well... of course!



  • hoops1 Jan 24, 2009

    i dont understand what this solution means can i get an answer for dummies

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Replace C602 on DVD board, noise on 10v line causing problem.

Posted on Jan 22, 2009

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I have the same problem, the solution looks like it is to replace a capacitor on the main board.

Posted on Mar 02, 2009

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