Onkyo TX-DS656 instruction manual Troubleshooting

Troubleshooting

Trouble		Cause		Remedy
AM stations cannot be received.	•	AM loop antenna is not attached.	•	Connect the included AM loop antenna to
				the AM antenna connectors.
Buzzing noise on AM (particularly conspicuous	• Noise from electrical apparatus such as		•	Move AM loop antenna to a different position.
at night or with weak stations)		fluorescent lamp	•	Set up outdoor AM antenna.
High-pitched noise or buzzing noise on AM	•	Noise from TV set	•	Place the AM loop antenna as far as
				possible from the TV.
			•	Move the unit away from the TV.

Crackling noise on AM or FM	•	Noise caused by turning fluorescent lamp
		on and off
	•	Noise from automobile ignition

•Move antenna as far as possible from the fluorescent lamp.

•Install the FM outdoor antenna as far as possible from the road.

•Change the position or direction of the outdoor antenna.

FM TUNED and STEREO indicators light but	• Station is too strong.	• Change to T-shaped antenna.
sound is distorted and stereo separation is bad.	• Multiple reflection of the radio waves	• Use antenna which has better directivity and
	because of tall buildings or mountains.	select a point where the distortion is least.
FM TUNED and STEREO indicators flicker	• Station is too weak.	• Install an outdoor FM antenna.
and a hiss is heard on FM.	• Stereo FM broadcasts cover only about	• Change the position or direction of the
	half the distance of an ordinary broadcast.	outdoor antenna.
No station is recalled when a preset button is	• The power cord has been unplugged for a	• The memory contents are lost. Store all
pressed.	long time.	stations again.
Image does not appear when VIDEO-2 or	• Bad connection	• Check the connection again. Insert the
MULTI-CH INPUT button is pressed.	• IPM function is activated.	plugs and connectors completely.
		• Deactivate the IPM function.
Receiver's front panel is operational, but	• No batteries in the remote controller.	• Insert batteries in the remote controller.
remote control is unusable.	• Batteries are used up.	• Replace the batteries.
Midnight Theater function cannot be used.	• Playback source is not Dolby Digital	• Check that the DOLBY DIGITAL
	encoded.	indicator lights up on the display.
LFE LEVEL function cannot be used.	• Playback source is not Dolby Digital	• Check that the DOLBY DIGITAL
	encoded.	indicator lights up on the display.
Cinema Re-EQ function cannot be used.	• Playback source is not encoded for Dolby	• Check the playback source.
	Digital, Dolby Pro Logic, Dolby 3 Stereo,
	or Multi-ch Input.

This device employs a microcomputer to perform various functions and operations. Interference generated by an external power supply, radio waves, or other electrical sources will cause the specified operations and functions to operate abnormally. To reset the unit, please follow the procedure below.

1.While holding down the CD button, press the POWER button.

2.After "clear" is displayed, the preset memory and each mode stored in the memory, such as Surround, are initialized and will return to the factory settings.

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