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Sony dav-c990 not functioning

Automatically goes into standby mode. Even the remote control cannot fix it.

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Re: sony dav-c990 not functioning

A lot of "aged" problems relate to the power supply with this type of unit. If you are a handy chap and know what capacitors are you will find that finding and replacing the "dry" caps in the power supply will fix most problems including streaky pix and crackly audio.

Posted on Mar 10, 2008

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I want to control my Sony DAV-HDX576WF with my Comcast remote control and need the remote control code.

Reposting from multiple sources.
It seems like most (maybe all) Sony HTIB do not work with the Comcast Custom Remote. I've found a work around that fixes the volume control and power button though. Hope it helps you all. I have a DAVHDX275 but I think this will work for most Sony HTIB systems.

What you need to do is steal some codes from a like product and then hardcode in the changes you need to the comcast remote. Set your AUX to 21232 (a sony code for TVicon1.png/VCRs).

Then do the following:

1. While still on AUX, press and hold SETUP again until the remote blinks twice
2. Type 994
3. Press and release SETUP
4. Type 32975
5. Press and release VOL+
The remote should blink twice. That should reprogram the VOL+ to work with your Sony HT device. For each of the following function codes, follow the same steps and use the codes listed below:
Vol+ = 32975
Vol- = 31951Power = 32719Mute = 33743
Good luck. Let me know if it works.

Also, to program your remote to function volume controls while in CBL or TV mode without switching between modes to change the volume, see below. Source Volume Control To TV or AUX Mode:
1. Press and hold SETUP until the Red light flashes twice, then release SETUP.
2. Enter 9 - 9 - 3 (Red light will flash twice).
3. Press and release either TV or AUX (Red light for selected device will flash twice).

Jan 29, 2012 | Sony BRAVIA® DAV-HDX576WF Theater System...

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Hi all, I hope someone out there can help me. Recently bought a new Samsung 46" LCD, I also have a Samsung BluRay player and HD Recorder in one, also have a PS3 and finally the Sony DAV-IS10. ...

It's unclear where the sound is emanating or where it is lost in this scenario or even the type of connection you're using to carry it.

It almost sounds like you're using the TV for sound or it's in the audio path. The sound from any high end source should be processed by the SONY DAV as close to its original device as possible and not unnecessarily patched through the TV.

The TV only NEEDS Video. High-end Audio is wasted on it.

The symptom sounds suspiciously like a loss of data from the source to the Sony DAV.

Please clarify or establish that this does or does not happen without using the remote. Sometimes remote commands are heeded by unintended devices. Try to Pause/Play sequence using front panel buttons on the unidentified Samsung BluRay to eliminate that possibility.

Observe the indicators on the Sony for any clues when the problem occurs.

Sep 24, 2011 | Sony DAV-IS10 System

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Hi, I have a sony dav-sc8 dvd home theatre system and would likt to know if there is a way to make it multi region

These are the commands for the DAV-300 but hopefully they are the same for yours...hope it helps.
Region 0 is what you want, but here's all the commands for the 300 which hopefully work on the sc8 as well.

Put your player into "Standby" Mode and enter one of the following commands if
: Remote control command Function
: [0] [RETURN] Default Default region code on the player
: [1] [RETURN] Region 1
: [2] [RETURN] Region 2
: [3] [RETURN] Region 3
: [4] [RETURN] Region 4
: [5] [RETURN] Region 5
: [6] [RETURN] Region 6
: [P. MODE] [RETURN] Only play DVD's with the selected region; auto switching
: [AUDIO] [RETURN] Default Auto switching ON
: [ANGLE] [RETURN] Enable video interference impulses (Macrovision ON)
: [SUBTITLE] [RETURN] Default Disable video interference impulses (Macrovision
: [PREV] [RETURN] Enable user operation prohibitions* and access restrictions
: [NEXT] [RETURN] Default Disable user operation prohibitions* and access

Mar 17, 2011 | Sony DAV-SC8 System

2 Answers

Cannot find code for universal remotes to make Sony DAV-C450 work

To repair your original remote, open the remote and remove the buttons sectio.(normally a solid piece of rubber with the buttons) On the PC board of the remote, clean with a scotchbrite scourer to revive the circuits and make it shiny. Next, clean the rubber button section on the inside with surgical spirits. Replace cover and fit new batteries.

Jul 12, 2010 | Sony DAV-C450 System

1 Answer

Sony DAV-C990 can't get it off the standby mode

Unplug DAV-C990 from AC outlet for couple of minutes, replug back in and power it up. If problem still exist then home theater has got problem in amplifier output section. Let me know the results to help you more.

Jun 12, 2009 | Sony DAV-C700 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.

Jun 04, 2008 | Sony DAV-C770 System

3 Answers

DVD does not lights are on

the unit has suffered damage internally and a service tech could diagnose the problem after opening the unit up to see if there is any damage to the main board or its components.

May 28, 2008 | Sony DAV-C990 System

1 Answer

Can not load or Eject DVD

Be sure NOT to load any CD+ -R,CD+-RW or DVD+-R,DVD+-RW to this unit.
Try to load up a standard CD see if there is audio first. If so,try a good(not scratches) dvd movie.If you have tried both and still not working.You need this unit to be repair or buy a new one!

Apr 18, 2007 | Sony DAV-C990 System

1 Answer

Black box showing up while viewing DVDs

Go to your TV remote, in the menu find the closed caption or sometimes it is on the remote itself. Turn off the closed caption. this should solve your problem. Good Luck

Mar 28, 2007 | Sony DAV-C990 System

3 Answers

Flashing standby message.

Are any of the buttons not making a click feel when you press them like maybe one is stuck?? You didnt say if the same thing happen with the radio as did with the cd. If it is then a switch is stuck or bad or a problem with the switch matrix for the Microprocesor . Only way to trouble shoot this is I would use a scope and check all of the matrix {ie scann lines as well as input lines for distortion or noise and make sure when the buttons are pussed that they change and switch accordinly. If they dont then the processors bad. Good luck

Apr 23, 2006 | Sony DAV-SC8 System

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