Question about Sony DAV-C770 System

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Sony DAV-C770 Red Light Flashing but nothing is on!

Product- Sony DAV-C770
I have a Sony Compact AV System that does not work any more. When the power buttom is pressed in (on position) the indicator light next to the button flashes red. The system will not turn on by either remote or maually pressing the button. I have turned power off to the system and have tried repeated on/off's with the button without any change. Can you help!

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  • Anonymous Mar 25, 2009

    me too

  • Anonymous Apr 12, 2009

    My Sony DAV-C770 played yesterday Now when I try to use it there is a red flashing light next to the power button,. How can I fix this? If it needs a professional repair is it worth the cost?

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  • 111 Answers

Power supply or power amplifire unit problem.give it to repair proffesional.

nuwan.

Posted on Jan 19, 2009

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How do I unjam a disc stuck in the 5xCD tray of a Sony DAV-C770 compact AV system?


If you experience difficulty with the disc tray opening or closing, follow these steps to try to resolve the issue.
  1. Turn off the power to the disc player or the stereo system, if the disc player does not have a separate POWER button.
  2. Unplug the power cord from the AC outlet.
  3. Verify there is nothing is blocking the tray from opening or closing.
  4. Let the disc player or the stereo system remain without power for approximately one minute.
  5. Plug the power cord back into the AC outlet.
  6. Turn on the power to the disc player or stereo system.
  7. Attempt to open or close the disc drawer or tray.
If the issue is still unresolved, service may be required.
this is direct from sony hope it helps

Dec 31, 2014 | Sony DAV-C770 System

1 Answer

My sony compact av system,model dav-c770 is stuck on stand by mode.wont power up anymore


Generally speaking, an amp attempts to protect itself from heat, shorts, overloads and operator exuberance by refusing to turn on or stay on.

Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; and shorts would be wiring issues or a speaker blowing up.

You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.

If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.

If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'nekkid'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.

Check for loose speaker connections at the speaker as another possible root cause for intermittent shutdown

Aug 12, 2011 | Sony DAV-C770 System

1 Answer

Our Sony c 770 no longer plays DVDs or Cds but it still works as a receiver. Can we connect a DVD player to it and have it come thru the 5.1 speaker system?


Hi,
Yes, tis unit has 2 video inputs at rear so you can connect any other dvd player sound (analog or digital) to get 5.1 channel surround sound from DAV-C770 speakers.
Click Sony Support to download user manual copy of DAV-C770 that has more details about connection setup.
Hope this info will help you.
Thanks.

Nov 26, 2010 | Sony DAV-C770 System

1 Answer

On Sony DAV-C770 Dvd disks are stuck in machine and I've heard this is a common problem and almost not fixable. Are there enough jacks to hook up an external dvd player. There is already a stereo vcr...


This is a repairable assembly. It needs realigment. I have realigned many of these units with no problem as long as theres no broken plastic parts. What ever you do dont force anything.Yes there is a video input jack that can be used for hookup

Mar 15, 2009 | Sony DAV-C770 System

1 Answer

Sony DAV-C770 Red light flashes but nothing comes one


i think power amp or power supply board problem.if you are not the technician dont do anything.one thing remoove the all speaker wires and try to turn on agin.
nuwan.

Jan 19, 2009 | Sony DAV-C770 System

1 Answer

Sony, DAV-C770 only plays in black and white


wrong playback system selection in bouth of tv and DVD player.
please slect auto mode bouth of . and try again.

nuwan

Jan 12, 2009 | 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

1 Answer

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 .

Jun 04, 2008 | Sony DAV-C770 System

4 Answers

Blinking standby light system will not turn on


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.

Oct 21, 2007 | Sony DAV-C770 System

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