Onkyo TX-DS676, TX-DS777 instruction manual Troubleshooting guide, Video & audio

Troubleshooting guide

Trouble	Cause	Remedy	See
			page
FM/AM

TUNED and STEREO indicators light but sound is distorted and stereo separation is bad.

•Station is too strong.

•Multiple reflection of the radio waves because of tall buildings or mountains.

•	Change to FM indoor antenna.	15
•	Use antenna which has better directivity and select a	15
	point where the distortion is least.

TUNED and STEREO	• Station is too weak.	• Install an outdoor FM antenna.	15
indicators flicker and	• Stereo FM broadcasts cover only about half the	• Change the position or direction of the outdoor an-	15
hiss is heard on FM.	distance of an ordinary broadcast.	tenna.
No station is recalled.	• The power cord has been unplugged or the	• The memory contents are lost. Store all stations again.	25
	POWER switch has been turned off for a long
	time.
Video & audio

Desired picture does	•	Wrong connection.
n o t a p p e a r w h e n
MULTI CH INPUT but-	•	No video input is assigned.
ton is pressed.

•	Check the connection again. Insert the plugs and con-	9
	nectors completely.
•	Assign a proper video input.	33

No on-screen display.	• Improper connection.	• Check connections.	8
	• Improper OSD selector setting.	• Set the OSD selector properly.	8,	9
Picture and sound do not	• Improper connection.	• Check connections.	8
match.	• Improper video is assigned.	• Check Video Assign setting.	40
No sound, or sound of	• The digital input selector is not set properly.	• Check Digital Input setting.	23,	29
the selected source is
not heard.

No picture appears on the TV screen (or moni- tor).

• The TV (or monitor) is not set to receive the out-		• Set the TV (or monitor) to the receiver input.		-
	put signals from the receiver.
•	The video cable is not connected securely.	•	Check connections.	8
•	Only S-Video connection is made.	•	Make also video connection.	8

Others

LATE NIGHT function	• Playback source is not Dolby Digital encoded.	•	Check that the DOLBY DIGITAL indicator lights up	38
cannot be used.			on the display.
LFE LEVEL function	• Playback source is not Dolby Digital , DTS,	•	Check that the DOLBY DIGITAL , DTS, MPEG in-	38
cannot be used.	MPEG encoded.		dicator lights up on the display.
Cinema Re-EQ function	• The listening mode is set to “Stereo,” “5ch ste-	• See the table on page 38.		38
cannot be used.	reo” or “Direct.”
Parameter cannot be set	• Parameter may not be set depending on the lis-	• See the table on page 38.		38
for Front Effect, Reflect	tening mode.
Level, Reverb Level,
Room Size, etc.

Front panel controls function but remote controller does not.

•No batteries in remote controller.

•Batteries have worn out.

•The remote controller is not pointed at the re- mote sensor of the receiver.

•The remote controller is too far from the reciever.

•	Insert batteries.	5
•	Replace batteries.	5
• Point the remote controller at the remote sensor of the		5
	reciever.
• Operate the remote controller within 16 feet (5m).		5

Also refer to the respective instruction manuals of the video disc player, video cassette recorder, TV monitor, etc., that compose your entertainment system.

Because the unit contains a microcomputer to provide advanced functions, it may malfunction due to external noise or static electricity. If this happens, press the POWER switch on the unit and then press it in again after about five seconds.

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