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Noise from onkyo 505e

When I power on the Onkyo 505E from standby there is a buzzing noise that comes from the receiver. Please tell me how to stop this as it is very annoying.

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You can try to turn the stecker around some times this helps as some equipment is sensative to plus plus instead of plus > min connections

Posted on Apr 29, 2008

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1 Answer

I have Onkyo HT510 receiver. does not turn "ON".


hi,
There is a standby transformer inside the Onkyo receiver at the mains input stage. If the standby transformer is faulty then the unit will not power on. There will be two transformers. One is big and the other is a small one. The small tarnsformer is the standby transformer. Which will be fitted on a small board where the power cable is connected. Replace the transformer to rectify this problem.
OK

Oct 15, 2011 | Onkyo HT510 Receiver

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Hello. I have Onkyo tx-sr606 home theater


could be a bad soldered joint or loose connector, even a bad earth in the secondary power circuit.

Feb 27, 2010 | Onkyo TX-SR606 Receiver

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Is there an incompatibility between Onkyo 606 and KEF Wireless?


This is cycle hum place offending units away from each other or, isolate the power supplies and, re- check electrical circuit grounds

Jun 01, 2009 | Onkyo TX-SR606 Receiver

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Is there an incompatibility between Onkyo 606 and KEF Wireless?


Sorry this is not a solution.

I am having virtually the same problem and I wanted to find out if you managed to fix the issue?

It seems to be my LCD causing the static noise (even when it is powered down). The static noise goes away when I physically unplug the TV or disconnect the HDMI cable to the amp.

Mark

Mar 23, 2009 | Onkyo TX-SR606 Receiver

1 Answer

A couple of weeks after initial setup of my brand new Onkyo XT-SR606 receiver, I noticed a loud buzzing noise that starts up approximately 10 min after the receiver is turned on. The buzzing is definitely...


The "buzz" you hear is a power hum made by the power supply transformer. It's technically called "Lamination hum" caused by the revering of electrical current through the power supply transformer. In some cases the hum can vibrate the chassis causing other loose material to vibrate. If you can, go to your dealer and check to see if other units of this same type typically make a hum this loud, and if not, see if he can solve the problem for you.

Feb 27, 2009 | Onkyo TX-SR606 Receiver

1 Answer

Onkyo tx-sr500; power goes out; standby light blinks


Remove all Wires form speakers
Power on
Push Video1 + StandBy /On
appears Clear on display

Dec 22, 2008 | Onkyo TX-SR501 Receiver

1 Answer

Questions about Onkyo SR505


1, remote codes, check with sayno for code updates. Or consider a harmony remove last remote you will every buy.
2. Receiver does not convert video standards, need svideo cable.
3. popcorn hour player, no idea what that is , but like number 2. will need a seperate hdmi cable.

However, if the receiver and the player both have component, i would not hesitate to wore everything up component. In your application component video is better than hdmi. To many reasons to list. Good luck

Jun 10, 2008 | Onkyo TX-SR505 Receiver

2 Answers

No HDMI Output


My configuration:
ZONE 1 (living room)
DishNetwork Dual Tuner DVR Tuner 1 [S-Video out] -> [S-Video in] ONKYO TX-SR875 [HDMI out] -> [HDMI in] Sony KDS-60A3000 rear projection TV

ZONE 2 (living room)
DishNetwork Dual Tuner DVR Tuner 2 [Composite Video out] -> [Composite Video in] ONKYO TX-SR875 [Composite Video out] -> [Composite Video in] Samsung AQUOS LCD TV

Problem:
ONKYO receiver stops sending video signal to my ZONE 1 Sony TV through the HDMI connection. ZONE 2 may still receive video. (NOTE: the issue might be related to the upconverter circuitry?)

Symptom:
I couldn't see any video, but I could hear the Tuner 1 audio through my ONKYO. An important clue is that I couldn't see ONKYO's on-screen display menu on my TV when hitting the [Setup] button on my remote. But, I could see my TV's Sony-based menus and display options.

Solution:
1. Put all ZONES in Standby mode using the remote. Hit these buttons on remote: [Receiver], then [Standby]. [Receiver], [ZONE2], then [Standby], [Receiver], [ZONE3], then [Standby]. You should NOT see any lights on the ONKYO except maybe one red led near the power button.
2. Pull the power plug out of the back of the ONKYO, and leave unplugged for 20-30 seconds. Turning off any power center it is connected to isn't enough. You MUST unplug the power from the back of the ONKYO for 20-30 seconds.
3. Reconnect the power cord to the ONKYO.
4. Using the remote, set ZONE1 to a video source known to be working. If you don't see video, try leaving the power cord off for a longer period.

I know it sounds too simple to work, but that's what brought the video back for me the few times the video stopped displaying. Hope it works for you.

Jan 06, 2008 | Onkyo TX-SR875 Receiver

4 Answers

No display on my sr875 the next time i turned it on..i have no clue waht happend..it was just working fine yesterday,now, it suddenly shows one issue that needs to be resolve..i did everything i cud do but...


The 10 Ohms resistor R9304 in series with the the 44V display power supply was open.

How to find it:
Remove the to cover.
On the right hand side of the front panel you will see on the side a wide white flat cable going toward the back of the receiver.
Beside it is a 4 black wire band connecting the front panel to a 3x4cm power PCB which is parallel with the front panel inside the receiver (attached to the front frame).
It has visible on the left side a diode bridge and a fuse - above the fuse you can find the R9304, a SFR16 package (1x3.5mm) marked BrownBlackBlack.
Check continuity.Replace if open wit a 1W resistor
Good job ONKYO, save 1/3 of a penny...

For the DIY:
As an added step I replaced the R9304 with a 2W 47R resistor, replaced the series transistor regulator Q9301 (tall TO92) with a bigger package (isolated TO220) and one of the two series 22V zenners from the base - D9310 - with a 10V one.
Output voltage drops from 44V to 34V, display is slightly dimmer but overall stress is down.

Good luck!

Dec 14, 2007 | Onkyo TX-SR875 Receiver

1 Answer

Onkyo TX-8522 stuck on standby


This is Not a real Fix, However it stops the problem!
Do not plug any power cords into the Receiver.  I have found that using the "switched or unswitched" plugs in the back cause the trouble. 

Nov 15, 2007 | Onkyo TX-8522 Receiver

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