Question about Sony STR-DE825 Receiver

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Sony STR-DE825 Receiver Digital "Noise"

I used this forum to find a repair for my Toshiba TV and I found posts on how to repair the Hyper Board and that worked marvelously so I thought I would try fixing my friends Sony receiver. He says that the sound level for the regular RCS inputs has been "staticy" and with the digital inputs he has a chirping sound coming from the speakers. I haven't heard this but he says he can't use the receiver because that's pretty much all he gets out of it. Any quick ideas on this (besides replacing this old unit, which is what I told him)?

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Make sure you have fib/opt cables are securely inserted in right ports. Switch through "input modes" on front panel; opt, anal, auto. This unit is tricky and unecessarily complicated. Read through manual carefully!

Posted on Apr 13, 2008


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No output to speekers Sony STR-DE825

Check that the mute is not on.If a headphone is plugged into the receiver the speakers will be muted.Verify the the output selector is set to the correct source.Here is a simple check.Select a strong FM radio station.Plug in a headphone.If you are receiving an audio thru the headset.Then disconnect the headset and see if the audio is transmitted to the speakers.If you still have no speaker sound check to see if the speakers have fuses which may be blown.I would try another set of speakers to determine if it's the amplifer or the speakers.The amplifer has fuses as well. Wiilbe inside if not at the rear

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Protector light on sony str-de825. If everyone is having this problem and doing a hard shut down does not work, does no one ever take it to a professional? If so what did they fix on it?

In most cases the output is faulty as the MOSFET's shorts and so the drive board has to be changed. This is an expensive replacement and many when the estimation is done opt out. In some cases the protection is due to the fault of the protect circuit, failure of transistors or passive components.
Since most of the board are hard to access , the work estimation is high as boards are replaced.

Oct 01, 2011 | Sony STR-DE825 Receiver

1 Answer

What could be causing a power hum for about 1 to 2 minutes after startup? Sony STR-DE825

Depends where the hum originates. If it is from the case, it is likely from the transformer which may rattle laminations a bit till it warms.

If it is out of the speakers, then the amplifiers MAY not be balancing till warm up... that would not be good... keep your eye on that and if it gets loud, take it for repair ASAP.

If unit is old, the filter caps may be going bad OR there may be a bad solder joint in the power supply area that doesn't contact till it gets warm... that also needs fixing ASAP.

Dec 26, 2009 | Sony STR-DE825 Receiver

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Ca I hook up mt MP3 to mt STR DE825 receiver? If

yes either buy the sony dock for mp3's or go to Radio shack and buy the adapter that goes from a headphone jack to a red/white RCA plug get the gold tipped version and just use an open interface on the back phono, tape, whatever you have open.

Nov 25, 2009 | Sony Audio Players & Recorders

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sony are pretty rubbish at offering patent parts, my suggestion as poor as it is would be to approach sony for this part they will recommend a retail outlet that can supply it

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Cambiale los IC de audio que esten dañados.

Oct 13, 2007 | Sony STR-DE825 Receiver

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The only way to reset protect is to eliminate the problem which activated it. Problem may be insufficient line voltage or unit's output circuit. Have unit checked out by prof, tech

Sep 30, 2007 | Sony STR-DE825 Receiver

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Here is the link for the user manual if you need it;®ion_id=1 Check page 54 for details of the error message - it should disappear if the speakers are connected properly and the unit is switched off and on. Check page 17 for speaker connection details, and ensure they are all correct. Check page 19 for details of the factory reset/memory clearing. Hopefully this will clear the error code and let you set the unit up. Hope this helps, please ask again if no luck :)

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