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The amp protection circuit has been activated. Remove the power cord from the wall outlet immediately. Disconnect all speaker cables and input sources, and leave the AV receiver with its power cord disconnected for 1 hour. After that, reconnect the power cord and reconnect an input and a pair of speaker wires onto the unit. If the receiver still does not turn on than you will have to bring it in for service. Turn up the volume and if the receiver doesn't shut down, power off the receiver and add another pair of speakers. Power up the unit again and turn up the volume. If it doesn't shut down, power off the unit again. Now connect all your input sources and turn on your receiver. If the unit shuts down again, your unit will need to be further serviced at an authorized Onkyo service center.
Most likely, you have DC Offset(a bad amplifier). The unit is shutting down to protect your speaker system, as well as protect the unit from any further damage. If you require more assistance, or would like to inquire about repairing your Onkyo, please visit my website at audioserviceclinic.com. You may contact me there. Thank you.
HI, Fist of all you have to check the HDMI cable. It should be 1.3a version. Another thing is ONKYO TXSR806 is capable of outputing HD video (1080p) at its HDMI output By upscaling. If your tv is not a Full HD one then it will not be able to show the video.
Do one thing Reset the ONKYO to factory default. While in standby mode Press and hold the VCR/DVD Then press the standby button "Clear" will show upon the screen. Ajin
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
The problem is the audio output ic's, one or more channels has developed a short causing the safety shutdown to engage. The only solution is take it back where it was purchased and since it is under warranty it should be repaired free of charge if not a possible exchange.
the unit has sensed an internal fault and shut down or the start up relay has failed in pin #3 inside the unit you will need a service tech to help, if its new the unit is under warranty, the other common cause can be a speaker short in the back, in the wiring or worse at one of the speakers, my new unit had the same problem twice, once for the relay and once because the unit error self test did not like the unit in 6.1 configuration with the left rear surround speaker, holding the power knob down on start up for 10seconds kicks in the auto self diagnostics mode good luck
If the unit will not leave standby I would remove all power, disconnect *all* connections at the back, reconnect to a power source and try powering on. This will eliminate any connection causing the Onkyo to stay in standby due to a short. If it still will not enter power-on mode, you may want to look at the power source (is it properly grounded?), but beyond that the unit probably needs to go back.