Question about Sony DAV-C770 System

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Sony hcd-C770 blinking standby light, product will not work.

I have read a few articles about changing a power board capacitor located at C914 for model dav-c770....does model hcd-c770 have the same power board layout?

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Posted on Jan 02, 2017

SOURCE: blinking standby light on my Sony DAV-C770 when powered on, black display screen

The audio amplifier IC of your device are damaged you gotta change it,or send it to a repair center .

Posted on Jun 05, 2008

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SOURCE: Sony Dav-C770 blinking standby light product will not function

I had the same problem, red blinking light after owning for several years. I decided to replace the capacitor at C914 to see if it would work, and it did. Apparently that capacitor is prone to failure. Since this seems to be a common problem, I created a web page detailing the repair. Hope it is helpful. Repair cost $1.39 + tax.
http://hancockfamily1.googlepages.com/dav-c770repair

Posted on Apr 23, 2009

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nuwan.

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nuwan.

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Oct 13, 2008 | Sony DAV-C770 System

3 Answers

Sony Dav-C770 blinking standby light product will not function


I had the same problem, red blinking light after owning for several years. I decided to replace the capacitor at C914 to see if it would work, and it did. Apparently that capacitor is prone to failure. Since this seems to be a common problem, I created a web page detailing the repair. Hope it is helpful. Repair cost $1.39 + tax.
http://hancockfamily1.googlepages.com/dav-c770repair

Jun 04, 2008 | Sony DAV-C770 System

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The audio amplifier IC of your device are damaged you gotta change it,or send it to a repair center .

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I was having a similar problem and determined that there was a short in the speaker leads for the center channel speaker. The leads to the speaker were touching, after being moved, slightly while housecleaning. Once short was eliminated, unit powered on and worked with no problem.

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