Onkyo HT-R8230 Troubleshooting, Amplifier Remote controller Symptoms Causes Remedies Pages

Troubleshooting

Check the following guide for the possible cause of a problem before contacting service. Refer also to the respective instruction manuals of the connected components and TV.

Amplifier

Remote controller

Symptoms	Causes		Remedies		Pages
The AV receiver doesn’t	•	The power cord is disconnected.	•	Check the connection of the power cord.	17
switch on.	•	There is external noise interfering with the	•	Disconnect the power cord, then connect it	17
		computer circuits of the AV receiver.		again.
Power shuts off	• Amplifier protection circuitry has been		• Contact your Onkyo Service Center.		–
immediately after power on.		activated.
The buttons on the remote	• Power supply fluctuations or other		• Disconnect the power cord, then connect it		–
controller and AV receiver		abnormalities such as static electricity		again.
do not operate.		may interrupt correct operation.
No sound is reproduced.	•	The muting function is activated.	•	Deactivate the muting function.	24
	•	The AV receiver is not properly	•	Check the connections to the AV receiver.	10, 11
		connected.	•	Set to correct input source.	17, 21
	•	Input selector is not set properly.
	•	Headphones are connected.	•	Decrease the volume, then disconnect the	24
				headphones.	26
	•	The input signal format is set to “PCM” or	•	Set the input signal format to “Auto”.
		"DTS".
No sound or very little	•	The speakers are not properly connected.	•	Check the speaker connections.	13
sound is reproduced from	•	The listening mode is set to “Stereo” or	•	No sound is reproduced from the center	29
the center speaker.		“Orchestra”.		speaker when the listening mode is
	•	The volume level of the center speaker		“Stereo” or “Orchestra”.	20, 26
			•	Adjust the volume level of the center
		(“Center”) is set to minimum.		speaker.
	•	A speaker configuration without the center	•	Check that the selected speaker	18
		speaker is selected.		configuration includes the center speaker.
Hum, low-frequency noise.	• The placement of the audio connection		• Adjust the placement of the cable to		–
		cables on the rear panel is incorrect.		reduce hum.
Rough or scratchy sound.	•	Treble control too high.	•	Use audio adjust function to cut the treble	30
High range is not clear.				response.
No sound or very low	•	Subwoofer mode is set to “Off”.	•	Check the subwoofer mode setting.	20
volume from subwoofer.	•	Subwoofer mode setting is improper.	•	Check the subwoofer mode setting.	20
No picture appears on the	•	The TV is not set to receive the output	•	Set the TV to the AV receiver’s input.	–
TV screen.		signals from the AV receiver.	•	Check the connections between the AV	10
	•	The video cable is not connected
		securely.		receiver and TV set.	10, 11
	•	Only the S video connection is made.	•	Also make video connection. Check the
				TV’s video input and AV receiver’s output
				signal.
The sound of the playback	•	Another input source is selected.	•	Select the appropriate input source.	17, 21
source is not heard.
The buttons on the AV	•	Any wrong mode button is pressed.	•	Press the appropriate mode control	33-34
receiver operate but the	•	No batteries are inserted in the remote		button.	5
buttons on the remote			•	Insert new batteries.
controller do not operate.		controller.
	•	The batteries are worn out.	•	Replace with new batteries.	5
	•	The remote controller is not pointed at the	•	Point the remote controller at the remote	5
		remote sensor of the AV receiver.		sensor of the AV receiver.
	•	The remote controller is too far from the	•	Operate the remote controller within	5
		AV receiver.		16 feet (5 m).

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