The number of devices that can be registered has been exceeded.

$14 for a replacement remote

https://www.ebay.com/itm/323207861958

and here, even Walmart

https://www.google.com/search?q=sony+str-ks370+av+remote

I have never heard it called an 'IR Profile', but this is the programmable remote code.
AV Receiver - 52172

There is most likely a short in the amp that needs to be repaired. Probably a pair of shroted output transistors as well as a few resistors will need to be replaced.

I have exceeded allowed number of attempts to register my fring account.My mobile number is +8801817069310
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does the light blink more than once when you select the 'contol the reciever now' button? I assume you push a button to switch which device the remote will control, and then push another button to astually have the device do something

What do you want to do? Please provide details about it. Provide the brand name and model number of your TV? To which device, do you want to connect it? The brand name and model number of the device to which you want to connect TV's outputs.

Some models of systems will switch to a new source automatically if the source sees a new signal coming on. Try disconnecting the device on your Video 2 to see if this is the case.

I have seen the IC or component(s) in the switching circuits become defective and cause unpredictable or faulty operation. This can also be a fault condition you are seeing.

No. Like most AVR's it only provides a Line Level output for an externally powered subwoofer. Get a separate amp for the sub.

Register and download the manual for free at retrevo.com

http://www.retrevo.com/support/Sony-STR-DH510-Receivers-manual/id/23637ci375/t/2/

You meed manuals...

http://www.retrevo.com/support/Sony-STR-DG520-Receivers-manual/id/13748dj478/t/2/

http://dl.owneriq.net/f/f39f9a46-b9dd-4fd7-aeb0-4a46c566a44a.pdf

Connect the Wii to your television. Then connect the variable audio output from the TV to the audio in on the monitor section of the receiver. Then use the TV/SAT input selection on the receiver and dolby prologic 2 as your sound mode.

Sounds like faulty psu (pwer suply unit) Amp is going into protection mode. Disconnected all speaker and av wires (only power) turn up volume and see if it stays on. If not psu, sounboard or volume function faulty. If on, connect one speaker L or R. Go to tuner mode to tuned radio station an listen for sounds. If on, connect speakers and av cables one by one and test each one on its own until amp switches off, Investigate from there were problem is. Make sure speakerwires is not shorting out.