Just noticed the other day that my receiver has no LCD display (on the receiver itself) and it appears that there is no audio as well. I am not completely certain about the audio, because I am not sure what audio input is selected since I don't have the display. What could be causing this and what do I need to look at. Also, video is passing through the receiver as I am able to watch TV, just not able to turn up the surround sound. Powering off the unit will cut the signal to the TV so some parts of it appear to be working. any help would be greatly appreciated.
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Your set is in trouble my dear friend.
Protection will appear because the processor sense that you have a faulty parts on your unit.
To avoid further damaged, your system shut it off automatically.
The main reason is your Power amplifier I.C., it is shorted,need a replacement.
I"ve strongly adviced you to look for a qualified technician or electronic shop to fix your problem.
How does speaker A work when you run the Test Tone or with a mutichannel input?
There are indicators for speaker A and B in the uper left of the display. If A is not illuminated, press the Speaker A button right below the Standby Button and see if it will illuminate. If not, try the SP A/B button on the remote.
To reset the AV receiver to its factory defaults, turn
it on and, while holding down the [VIDEO 1] button,
press the [STANDBY/ON] button. “Clear” will
appear on the display and the AV receiver will enter
If you can’t resolve the issue yourself, try resetting
the AV receiver before contacting your Onkyo dealer.
To reset the AV receiver to its factory defaults,
turn it on and, while holding down the [VCR/DVR]
button, press the [ON/STANDBY] button. “Clear”
will appear on the display and the AV receiver will
enter Standby mode.
Note that resetting the AV receiver will delete your
radio presets and custom settings.
Sir avservice, I have also posted a problem about an HT502 DVD receiver + Home Theater. The sound won't come out of the speakers but only of the Plasma tv. But was working before. And the word "PROTECTION" is appearing on the display screen of the dvd receiver. But good quality picture on the plasma tv. Please help
If you are referring to the information display, it doesn't activate until you take the system out of standby (the bright blue LED at the corner is shining). When you hit the OFF button (on the system or the remote) and the blue LED shuts off, your info display comes on and says WELCOME.
If you are talking about the vacuum display on the front of the receiver, it could be either blown and need replacement or simply dimmed. There is a dimmer button on the front of the unit that should allow you to select between three different brightness settings.
This message is supposed to indicate that you have wires crossed at some point. Maybe the speaker wires are touching? I have a similar issue, however my receiver does not say Protection - it just says Goodbye. Samsung support says that this is an issue with the box and likely needs to be replaced.
Check all of your speaker wires, and call the Samsung support 800 number. They are pretty good.